[PATCH v3 25/26] drm/amd/dal: Adding amdgpu_dm for dal
Harry Wentland
harry.wentland at amd.com
Mon Feb 29 21:56:32 UTC 2016
Implements DRM's atomic KMS interfaces using DC.
v3 changes:
- use amdgpu's existing dce functions for some things, such as mc_access
- add stoney to dal check
- add missing hawaii and stoney case statements
- remove page work flip queue and use system queue instead
- minor dm_helpers function name cleanup
- expose I2C through i2c_adapter and route dal i2c calls through this
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/dal/amdgpu_dm/Makefile | 17 +
drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c | 1271 ++++++++++
drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.h | 168 ++
.../gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_helpers.c | 517 ++++
drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c | 820 ++++++
drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.h | 122 +
.../drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c | 480 ++++
.../drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.h | 36 +
.../gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_services.c | 457 ++++
.../gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c | 2649 ++++++++++++++++++++
.../gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.h | 100 +
drivers/gpu/drm/amd/dal/dc/dm_services.h | 17 -
12 files changed, 6637 insertions(+), 17 deletions(-)
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/Makefile
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.h
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_helpers.c
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.h
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.h
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_services.c
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c
create mode 100644 drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.h
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/Makefile b/drivers/gpu/drm/amd/dal/amdgpu_dm/Makefile
new file mode 100644
index 000000000000..0f365c65342e
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/Makefile
@@ -0,0 +1,17 @@
+#
+# Makefile for the 'dm' sub-component of DAL.
+# It provides the control and status of dm blocks.
+
+
+
+AMDGPUDM = amdgpu_dm_types.o amdgpu_dm.o amdgpu_dm_irq.o amdgpu_dm_mst_types.o
+
+ifneq ($(CONFIG_DRM_AMD_DAL),)
+AMDGPUDM += amdgpu_dm_services.o amdgpu_dm_helpers.o
+endif
+
+subdir-ccflags-y += -I$(FULL_AMD_DAL_PATH)/dc
+
+AMDGPU_DM = $(addprefix $(AMDDALPATH)/amdgpu_dm/,$(AMDGPUDM))
+
+AMD_DAL_FILES += $(AMDGPU_DM)
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c
new file mode 100644
index 000000000000..e3475b767e0f
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c
@@ -0,0 +1,1271 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services_types.h"
+#include "dc.h"
+
+#include "vid.h"
+#include "amdgpu.h"
+#include "atom.h"
+#include "amdgpu_dm.h"
+#include "amdgpu_dm_types.h"
+
+#include "amd_shared.h"
+#include "amdgpu_dm_irq.h"
+#include "dm_helpers.h"
+
+#include "dce_v8_0.h"
+#include "dce_v10_0.h"
+#include "dce_v11_0.h"
+
+#include "ivsrcid/ivsrcid_vislands30.h"
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_dp_mst_helper.h>
+
+/* Define variables here
+ * These values will be passed to DAL for feature enable purpose
+ * Disable ALL for HDMI light up
+ * TODO: follow up if need this mechanism*/
+struct dal_override_parameters display_param = {
+ .bool_param_enable_mask = 0,
+ .bool_param_values = 0,
+ .int_param_values[DAL_PARAM_MAX_COFUNC_NON_DP_DISPLAYS] = DAL_PARAM_INVALID_INT,
+ .int_param_values[DAL_PARAM_DRR_SUPPORT] = DAL_PARAM_INVALID_INT,
+};
+
+/* Debug facilities */
+#define AMDGPU_DM_NOT_IMPL(fmt, ...) \
+ DRM_INFO("DM_NOT_IMPL: " fmt, ##__VA_ARGS__)
+
+/*
+ * dm_vblank_get_counter
+ *
+ * @brief
+ * Get counter for number of vertical blanks
+ *
+ * @param
+ * struct amdgpu_device *adev - [in] desired amdgpu device
+ * int disp_idx - [in] which CRTC to get the counter from
+ *
+ * @return
+ * Counter for vertical blanks
+ */
+static u32 dm_vblank_get_counter(struct amdgpu_device *adev, int crtc)
+{
+ if (crtc >= adev->mode_info.num_crtc)
+ return 0;
+ else {
+ struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc];
+
+ if (NULL == acrtc->target) {
+ DRM_ERROR("dc_target is NULL for crtc '%d'!\n", crtc);
+ return 0;
+ }
+
+ return dc_target_get_vblank_counter(acrtc->target);
+ }
+}
+
+static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
+ u32 *vbl, u32 *position)
+{
+ if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
+ return -EINVAL;
+
+/* TODO: #DAL3 Implement scanoutpos
+ dal_get_crtc_scanoutpos(adev->dm.dal, crtc, vbl, position);
+*/
+ return 0;
+}
+
+static bool dm_is_idle(void *handle)
+{
+ /* XXX todo */
+ return true;
+}
+
+static int dm_wait_for_idle(void *handle)
+{
+ /* XXX todo */
+ return 0;
+}
+
+static void dm_print_status(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ dev_info(adev->dev, "DCE registers\n");
+ /* XXX todo */
+}
+
+static int dm_soft_reset(void *handle)
+{
+ /* XXX todo */
+ return 0;
+}
+
+static struct amdgpu_crtc *get_crtc_by_target(
+ struct amdgpu_device *adev,
+ const struct dc_target *dc_target)
+{
+ struct drm_device *dev = adev->ddev;
+ struct drm_crtc *crtc;
+ struct amdgpu_crtc *amdgpu_crtc;
+
+ /*
+ * following if is check inherited from both functions where this one is
+ * used now. Need to be checked why it could happen.
+ */
+ if (dc_target == NULL)
+ return adev->mode_info.crtcs[0];
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ if (amdgpu_crtc->target == dc_target)
+ return amdgpu_crtc;
+ }
+
+ return NULL;
+}
+
+static void dm_pflip_high_irq(void *interrupt_params)
+{
+ struct amdgpu_flip_work *works;
+ struct amdgpu_crtc *amdgpu_crtc;
+ struct common_irq_params *irq_params = interrupt_params;
+ struct amdgpu_device *adev = irq_params->adev;
+ unsigned long flags;
+ const struct dc *dc = irq_params->adev->dm.dc;
+ const struct dc_target *dc_target =
+ dc_get_target_on_irq_source(dc, irq_params->irq_src);
+
+ amdgpu_crtc = get_crtc_by_target(adev, dc_target);
+
+ /* IRQ could occur when in initial stage */
+ if(amdgpu_crtc == NULL)
+ return;
+
+ spin_lock_irqsave(&adev->ddev->event_lock, flags);
+ works = amdgpu_crtc->pflip_works;
+ if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
+ DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
+ "AMDGPU_FLIP_SUBMITTED(%d)\n",
+ amdgpu_crtc->pflip_status,
+ AMDGPU_FLIP_SUBMITTED);
+ spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
+ return;
+ }
+
+ /* page flip completed. clean up */
+ amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
+ amdgpu_crtc->pflip_works = NULL;
+
+ /* wakeup usersapce */
+ if(works->event)
+ drm_send_vblank_event(
+ adev->ddev,
+ amdgpu_crtc->crtc_id,
+ works->event);
+
+ spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
+
+ drm_crtc_vblank_put(&amdgpu_crtc->base);
+ schedule_work(&works->unpin_work);
+}
+
+static void dm_crtc_high_irq(void *interrupt_params)
+{
+ struct common_irq_params *irq_params = interrupt_params;
+ struct amdgpu_device *adev = irq_params->adev;
+ const struct dc *dc = irq_params->adev->dm.dc;
+ const struct dc_target *dc_target =
+ dc_get_target_on_irq_source(dc, irq_params->irq_src);
+ uint8_t crtc_index = 0;
+ struct amdgpu_crtc *acrtc = get_crtc_by_target(adev, dc_target);
+
+ if (acrtc)
+ crtc_index = acrtc->crtc_id;
+
+ drm_handle_vblank(adev->ddev, crtc_index);
+
+}
+
+static int dm_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ return 0;
+}
+
+static int dm_set_powergating_state(void *handle,
+ enum amd_powergating_state state)
+{
+ return 0;
+}
+
+/* Prototypes of private functions */
+static int dm_early_init(void* handle);
+
+static void hotplug_notify_work_func(struct work_struct *work)
+{
+ struct amdgpu_display_manager *dm = container_of(work, struct amdgpu_display_manager, mst_hotplug_work);
+ struct drm_device *dev = dm->ddev;
+
+ drm_kms_helper_hotplug_event(dev);
+}
+
+/* Init display KMS
+ *
+ * Returns 0 on success
+ */
+int amdgpu_dm_init(struct amdgpu_device *adev)
+{
+ struct dal_init_data init_data;
+ struct drm_device *ddev = adev->ddev;
+ adev->dm.ddev = adev->ddev;
+ adev->dm.adev = adev;
+
+ /* Zero all the fields */
+ memset(&init_data, 0, sizeof(init_data));
+
+ /* initialize DAL's lock (for SYNC context use) */
+ spin_lock_init(&adev->dm.dal_lock);
+
+ /* initialize DAL's mutex */
+ mutex_init(&adev->dm.dal_mutex);
+
+ if(amdgpu_dm_irq_init(adev)) {
+ DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n");
+ goto error;
+ }
+
+ if (ddev->pdev) {
+ init_data.bdf_info.DEVICE_NUMBER = PCI_SLOT(ddev->pdev->devfn);
+ init_data.bdf_info.FUNCTION_NUMBER =
+ PCI_FUNC(ddev->pdev->devfn);
+ if (ddev->pdev->bus)
+ init_data.bdf_info.BUS_NUMBER = ddev->pdev->bus->number;
+ }
+
+ init_data.display_param = display_param;
+
+ init_data.asic_id.chip_family = adev->family;
+
+ init_data.asic_id.pci_revision_id = adev->rev_id;
+ init_data.asic_id.hw_internal_rev = adev->external_rev_id;
+
+ init_data.asic_id.vram_width = adev->mc.vram_width;
+ /* TODO: initialize init_data.asic_id.vram_type here!!!! */
+ init_data.asic_id.atombios_base_address =
+ adev->mode_info.atom_context->bios;
+ init_data.asic_id.runtime_flags.flags.bits.SKIP_POWER_DOWN_ON_RESUME = 1;
+
+ if ((adev->asic_type == CHIP_CARRIZO) ||
+ (adev->asic_type == CHIP_STONEY))
+ init_data.asic_id.runtime_flags.flags.bits.GNB_WAKEUP_SUPPORTED = 1;
+
+ init_data.driver = adev;
+
+ adev->dm.cgs_device = amdgpu_cgs_create_device(adev);
+
+ if (!adev->dm.cgs_device) {
+ DRM_ERROR("amdgpu: failed to create cgs device.\n");
+ goto error;
+ }
+
+ init_data.cgs_device = adev->dm.cgs_device;
+
+ adev->dm.dal = NULL;
+
+ /* enable gpu scaling in DAL */
+ init_data.display_param.bool_param_enable_mask |=
+ 1 << DAL_PARAM_ENABLE_GPU_SCALING;
+ init_data.display_param.bool_param_values |=
+ 1 << DAL_PARAM_ENABLE_GPU_SCALING;
+
+ init_data.dce_environment = DCE_ENV_PRODUCTION_DRV;
+
+ /* Display Core create. */
+ adev->dm.dc = dc_create(&init_data);
+
+ INIT_WORK(&adev->dm.mst_hotplug_work, hotplug_notify_work_func);
+
+ if (amdgpu_dm_initialize_drm_device(adev)) {
+ DRM_ERROR(
+ "amdgpu: failed to initialize sw for display support.\n");
+ goto error;
+ }
+
+ /* Update the actual used number of crtc */
+ adev->mode_info.num_crtc = adev->dm.display_indexes_num;
+
+ /* TODO: Add_display_info? */
+
+ /* TODO use dynamic cursor width */
+ adev->ddev->mode_config.cursor_width = 128;
+ adev->ddev->mode_config.cursor_height = 128;
+
+ if (drm_vblank_init(adev->ddev, adev->dm.display_indexes_num)) {
+ DRM_ERROR(
+ "amdgpu: failed to initialize sw for display support.\n");
+ goto error;
+ }
+
+ DRM_INFO("KMS initialized.\n");
+
+ return 0;
+error:
+ amdgpu_dm_fini(adev);
+
+ return -1;
+}
+
+void amdgpu_dm_fini(struct amdgpu_device *adev)
+{
+ amdgpu_dm_destroy_drm_device(&adev->dm);
+ /*
+ * TODO: pageflip, vlank interrupt
+ *
+ * amdgpu_dm_irq_fini(adev);
+ */
+
+ if (adev->dm.cgs_device) {
+ amdgpu_cgs_destroy_device(adev->dm.cgs_device);
+ adev->dm.cgs_device = NULL;
+ }
+
+ /* DC Destroy TODO: Replace destroy DAL */
+ {
+ dc_destroy(&adev->dm.dc);
+ }
+ return;
+}
+
+/* moved from amdgpu_dm_kms.c */
+void amdgpu_dm_destroy()
+{
+}
+
+static int dm_sw_init(void *handle)
+{
+ return 0;
+}
+
+static int dm_sw_fini(void *handle)
+{
+ return 0;
+}
+
+
+static void detect_link_for_all_connectors(struct drm_device *dev)
+{
+ struct amdgpu_connector *aconnector;
+ struct drm_connector *connector;
+
+ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ aconnector = to_amdgpu_connector(connector);
+ if (aconnector->dc_link->type == dc_connection_mst_branch) {
+ DRM_INFO("DM_MST: starting TM on aconnector: %p [id: %d]\n",
+ aconnector, aconnector->base.base.id);
+
+ if (drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true) < 0) {
+ DRM_ERROR("DM_MST: Failed to start MST\n");
+ ((struct dc_link *)aconnector->dc_link)->type = dc_connection_single;
+ }
+ }
+ }
+
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
+}
+
+
+static int dm_hw_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ /* Create DAL display manager */
+ amdgpu_dm_init(adev);
+
+ amdgpu_dm_hpd_init(adev);
+
+ detect_link_for_all_connectors(adev->ddev);
+
+
+
+ return 0;
+}
+
+static int dm_hw_fini(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ amdgpu_dm_hpd_fini(adev);
+
+ amdgpu_dm_irq_fini(adev);
+
+ return 0;
+}
+
+static int dm_display_suspend(struct drm_device *ddev)
+{
+ struct drm_mode_config *config = &ddev->mode_config;
+ struct drm_modeset_acquire_ctx *ctx = config->acquire_ctx;
+ struct drm_atomic_state *state;
+ struct drm_crtc *crtc;
+ unsigned crtc_mask = 0;
+ int ret = 0;
+
+ if (WARN_ON(!ctx))
+ return 0;
+
+ lockdep_assert_held(&ctx->ww_ctx);
+
+ state = drm_atomic_state_alloc(ddev);
+ if (WARN_ON(!state))
+ return -ENOMEM;
+
+ state->acquire_ctx = ctx;
+ state->allow_modeset = true;
+
+ /* Set all active crtcs to inactive, to turn off displays*/
+ list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+ struct drm_crtc_state *crtc_state =
+ drm_atomic_get_crtc_state(state, crtc);
+
+ ret = PTR_ERR_OR_ZERO(crtc_state);
+ if (ret)
+ goto free;
+
+ if (!crtc_state->active)
+ continue;
+
+ crtc_state->active = false;
+ crtc_mask |= (1 << drm_crtc_index(crtc));
+ }
+
+ if (crtc_mask) {
+ ret = drm_atomic_commit(state);
+
+ /* In case of failure, revert everything we did*/
+ if (!ret) {
+ list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head)
+ if (crtc_mask & (1 << drm_crtc_index(crtc)))
+ crtc->state->active = true;
+
+ return ret;
+ }
+ }
+
+free:
+ if (ret) {
+ DRM_ERROR("Suspending crtc's failed with %i\n", ret);
+ drm_atomic_state_free(state);
+ return ret;
+ }
+
+ return 0;
+}
+static int dm_suspend(void *handle)
+{
+ struct amdgpu_device *adev = handle;
+ struct amdgpu_display_manager *dm = &adev->dm;
+ struct drm_device *ddev = adev->ddev;
+ int ret = 0;
+
+ drm_modeset_lock_all(ddev);
+ ret = dm_display_suspend(ddev);
+ drm_modeset_unlock_all(ddev);
+
+ if (ret)
+ goto fail;
+
+ dc_set_power_state(
+ dm->dc,
+ DC_ACPI_CM_POWER_STATE_D3,
+ DC_VIDEO_POWER_SUSPEND);
+
+ amdgpu_dm_irq_suspend(adev);
+fail:
+ return ret;
+}
+
+static int dm_display_resume(struct drm_device *ddev)
+{
+ int ret = 0;
+ struct drm_connector *connector;
+
+ struct drm_atomic_state *state = drm_atomic_state_alloc(ddev);
+ struct drm_plane *plane;
+ struct drm_crtc *crtc;
+
+ if (!state)
+ return ENOMEM;
+
+ state->acquire_ctx = ddev->mode_config.acquire_ctx;
+
+ /* Construct an atomic state to restore previous display setting*/
+ /* Attach crtcs to drm_atomic_state*/
+ list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+ struct drm_crtc_state *crtc_state =
+ drm_atomic_get_crtc_state(state, crtc);
+
+ ret = PTR_ERR_OR_ZERO(crtc_state);
+ if (ret)
+ goto err;
+
+ /* force a restore */
+ crtc_state->mode_changed = true;
+ }
+
+ /* Attach planes to drm_atomic_state*/
+ list_for_each_entry(plane, &ddev->mode_config.plane_list, head) {
+ ret = PTR_ERR_OR_ZERO(drm_atomic_get_plane_state(state, plane));
+ if (ret)
+ goto err;
+ }
+
+ /* Attach connectors to drm_atomic_state*/
+ list_for_each_entry(connector, &ddev->mode_config.connector_list, head) {
+ ret = PTR_ERR_OR_ZERO(drm_atomic_get_connector_state(state, connector));
+ if (ret)
+ goto err;
+ }
+
+ /* Call commit internally with the state we just constructed */
+ ret = drm_atomic_commit(state);
+ if (!ret)
+ return 0;
+
+err:
+ DRM_ERROR("Restoring old state failed with %i\n", ret);
+ drm_atomic_state_free(state);
+
+ return ret;
+}
+
+static int dm_resume(void *handle)
+{
+ struct amdgpu_device *adev = handle;
+ struct drm_device *ddev = adev->ddev;
+ struct amdgpu_display_manager *dm = &adev->dm;
+ struct amdgpu_connector *aconnector;
+ struct drm_connector *connector;
+ int ret = 0;
+
+ /* power on hardware */
+ dc_set_power_state(
+ dm->dc,
+ DC_ACPI_CM_POWER_STATE_D0,
+ DC_VIDEO_POWER_ON);
+
+ /* Do detection*/
+ list_for_each_entry(connector,
+ &ddev->mode_config.connector_list, head) {
+ aconnector = to_amdgpu_connector(connector);
+ dc_link_detect(aconnector->dc_link, false);
+ aconnector->dc_sink = NULL;
+ amdgpu_dm_update_connector_after_detect(aconnector);
+ }
+
+
+ drm_modeset_lock_all(ddev);
+ ret = dm_display_resume(ddev);
+ drm_modeset_unlock_all(ddev);
+
+ drm_kms_helper_hotplug_event(ddev);
+
+ /* program HPD filter*/
+ dc_resume(dm->dc);
+ /* resume IRQ */
+ amdgpu_dm_irq_resume(adev);
+
+ return ret;
+}
+const struct amd_ip_funcs amdgpu_dm_funcs = {
+ .early_init = dm_early_init,
+ .late_init = NULL,
+ .sw_init = dm_sw_init,
+ .sw_fini = dm_sw_fini,
+ .hw_init = dm_hw_init,
+ .hw_fini = dm_hw_fini,
+ .suspend = dm_suspend,
+ .resume = dm_resume,
+ .is_idle = dm_is_idle,
+ .wait_for_idle = dm_wait_for_idle,
+ .soft_reset = dm_soft_reset,
+ .print_status = dm_print_status,
+ .set_clockgating_state = dm_set_clockgating_state,
+ .set_powergating_state = dm_set_powergating_state,
+};
+
+/* TODO: it is temporary non-const, should fixed later */
+static struct drm_mode_config_funcs amdgpu_dm_mode_funcs = {
+ .atomic_check = amdgpu_dm_atomic_check,
+ .atomic_commit = amdgpu_dm_atomic_commit
+};
+
+
+void amdgpu_dm_update_connector_after_detect(
+ struct amdgpu_connector *aconnector)
+{
+ struct drm_connector *connector = &aconnector->base;
+ struct drm_device *dev = connector->dev;
+ const struct dc_sink *sink;
+
+ /* MST handled by drm_mst framework */
+ if (aconnector->mst_mgr.mst_state == true)
+ return;
+
+ sink = aconnector->dc_link->local_sink;
+
+ /*
+ * TODO: temporary guard to look for proper fix
+ * if this sink is MST sink, we should not do anything
+ */
+ if (sink && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
+ return;
+
+ if (aconnector->dc_sink == sink) {
+ /* We got a DP short pulse (Link Loss, DP CTS, etc...).
+ * Do nothing!! */
+ DRM_INFO("DCHPD: connector_id=%d: dc_sink didn't change.\n",
+ aconnector->connector_id);
+ return;
+ }
+
+ DRM_INFO("DCHPD: connector_id=%d: Old sink=%p New sink=%p\n",
+ aconnector->connector_id, aconnector->dc_sink, sink);
+
+ mutex_lock(&dev->mode_config.mutex);
+
+ /* 1. Update status of the drm connector
+ * 2. Send an event and let userspace tell us what to do */
+ if (sink) {
+ /* TODO: check if we still need the S3 mode update workaround.
+ * If yes, put it here. */
+
+ aconnector->dc_sink = sink;
+ if (sink->dc_edid.length == 0)
+ aconnector->edid = NULL;
+ else {
+ aconnector->edid =
+ (struct edid *) sink->dc_edid.raw_edid;
+ drm_mode_connector_update_edid_property(connector,
+ aconnector->edid);
+ }
+ } else {
+ drm_mode_connector_update_edid_property(connector, NULL);
+ aconnector->num_modes = 0;
+ aconnector->dc_sink = NULL;
+ }
+
+ mutex_unlock(&dev->mode_config.mutex);
+}
+
+static void handle_hpd_irq(void *param)
+{
+ struct amdgpu_connector *aconnector = (struct amdgpu_connector *)param;
+ struct drm_connector *connector = &aconnector->base;
+ struct drm_device *dev = connector->dev;
+
+ /* In case of failure or MST no need to update connector status or notify the OS
+ * since (for MST case) MST does this in it's own context.
+ */
+ if (dc_link_detect(aconnector->dc_link, false)) {
+ amdgpu_dm_update_connector_after_detect(aconnector);
+ drm_kms_helper_hotplug_event(dev);
+ }
+}
+
+static void handle_hpd_rx_irq(void *param)
+{
+ struct amdgpu_connector *aconnector = (struct amdgpu_connector *)param;
+ struct drm_connector *connector = &aconnector->base;
+ struct drm_device *dev = connector->dev;
+ bool is_mst_root_connector = aconnector->mst_mgr.mst_state;
+
+ if (dc_link_handle_hpd_rx_irq(aconnector->dc_link) &&
+ !is_mst_root_connector) {
+ /* Downstream Port status changed. */
+ if (dc_link_detect(aconnector->dc_link, false)) {
+ amdgpu_dm_update_connector_after_detect(aconnector);
+ drm_kms_helper_hotplug_event(dev);
+ }
+ }
+
+ if (is_mst_root_connector)
+ dm_helpers_dp_mst_handle_mst_hpd_rx_irq(param);
+}
+
+static void register_hpd_handlers(struct amdgpu_device *adev)
+{
+ struct drm_device *dev = adev->ddev;
+ struct drm_connector *connector;
+ struct amdgpu_connector *aconnector;
+ const struct dc_link *dc_link;
+ struct dc_interrupt_params int_params = {0};
+
+ int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
+ int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
+
+ list_for_each_entry(connector,
+ &dev->mode_config.connector_list, head) {
+
+ aconnector = to_amdgpu_connector(connector);
+ dc_link = aconnector->dc_link;
+
+ int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT;
+ int_params.irq_source = dc_link->irq_source_hpd;
+
+ amdgpu_dm_irq_register_interrupt(adev, &int_params,
+ handle_hpd_irq,
+ (void *) aconnector);
+
+ if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) {
+
+ /* Also register for DP short pulse (hpd_rx). */
+ int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT;
+ int_params.irq_source = dc_link->irq_source_hpd_rx;
+
+ amdgpu_dm_irq_register_interrupt(adev, &int_params,
+ handle_hpd_rx_irq,
+ (void *) aconnector);
+ }
+ }
+}
+
+/* Register IRQ sources and initialize IRQ callbacks */
+static int dce110_register_irq_handlers(struct amdgpu_device *adev)
+{
+ struct dc *dc = adev->dm.dc;
+ struct common_irq_params *c_irq_params;
+ struct dc_interrupt_params int_params = {0};
+ int r;
+ int i;
+ struct dc_caps caps = { 0 };
+
+ dc_get_caps(dc, &caps);
+
+ int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
+ int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
+
+ /* Actions of amdgpu_irq_add_id():
+ * 1. Register a set() function with base driver.
+ * Base driver will call set() function to enable/disable an
+ * interrupt in DC hardware.
+ * 2. Register amdgpu_dm_irq_handler().
+ * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts
+ * coming from DC hardware.
+ * amdgpu_dm_irq_handler() will re-direct the interrupt to DC
+ * for acknowledging and handling. */
+
+ for (i = VISLANDS30_IV_SRCID_D1_V_UPDATE_INT;
+ i <= VISLANDS30_IV_SRCID_D6_V_UPDATE_INT; i += 2) {
+ r = amdgpu_irq_add_id(adev, i, &adev->crtc_irq);
+ if (r) {
+ DRM_ERROR("Failed to add crtc irq id!\n");
+ return r;
+ }
+
+ int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
+ int_params.irq_source =
+ dc_interrupt_to_irq_source(dc, i, 0);
+
+ c_irq_params = &adev->dm.vupdate_params[int_params.irq_source - DC_IRQ_SOURCE_VUPDATE1];
+
+ c_irq_params->adev = adev;
+ c_irq_params->irq_src = int_params.irq_source;
+
+ amdgpu_dm_irq_register_interrupt(adev, &int_params,
+ dm_crtc_high_irq, c_irq_params);
+ }
+
+ for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP;
+ i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) {
+ r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
+ if (r) {
+ DRM_ERROR("Failed to add page flip irq id!\n");
+ return r;
+ }
+
+ int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
+ int_params.irq_source =
+ dc_interrupt_to_irq_source(dc, i, 0);
+
+ c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST];
+
+ c_irq_params->adev = adev;
+ c_irq_params->irq_src = int_params.irq_source;
+
+ amdgpu_dm_irq_register_interrupt(adev, &int_params,
+ dm_pflip_high_irq, c_irq_params);
+
+ }
+
+ /* HPD */
+ r = amdgpu_irq_add_id(adev, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A,
+ &adev->hpd_irq);
+ if (r) {
+ DRM_ERROR("Failed to add hpd irq id!\n");
+ return r;
+ }
+
+ register_hpd_handlers(adev);
+
+ return 0;
+}
+
+static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
+{
+ int r;
+
+ adev->mode_info.mode_config_initialized = true;
+
+ amdgpu_dm_mode_funcs.fb_create =
+ amdgpu_mode_funcs.fb_create;
+ amdgpu_dm_mode_funcs.output_poll_changed =
+ amdgpu_mode_funcs.output_poll_changed;
+
+ adev->ddev->mode_config.funcs = (void *)&amdgpu_dm_mode_funcs;
+
+ adev->ddev->mode_config.max_width = 16384;
+ adev->ddev->mode_config.max_height = 16384;
+
+ adev->ddev->mode_config.preferred_depth = 24;
+ adev->ddev->mode_config.prefer_shadow = 1;
+
+ adev->ddev->mode_config.fb_base = adev->mc.aper_base;
+
+ r = amdgpu_modeset_create_props(adev);
+ if (r)
+ return r;
+
+ return 0;
+}
+
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
+ defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+
+static int amdgpu_dm_backlight_update_status(struct backlight_device *bd)
+{
+ struct amdgpu_display_manager *dm = bl_get_data(bd);
+
+ if (dc_link_set_backlight_level(dm->backlight_link,
+ bd->props.brightness))
+ return 0;
+ else
+ return 1;
+}
+
+static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd)
+{
+ return bd->props.brightness;
+}
+
+static const struct backlight_ops amdgpu_dm_backlight_ops = {
+ .get_brightness = amdgpu_dm_backlight_get_brightness,
+ .update_status = amdgpu_dm_backlight_update_status,
+};
+
+void amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
+{
+ char bl_name[16];
+ struct backlight_properties props = { 0 };
+
+ props.max_brightness = AMDGPU_MAX_BL_LEVEL;
+ props.type = BACKLIGHT_RAW;
+
+ snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d",
+ dm->adev->ddev->primary->index);
+
+ dm->backlight_dev = backlight_device_register(bl_name,
+ dm->adev->ddev->dev,
+ dm,
+ &amdgpu_dm_backlight_ops,
+ &props);
+
+ if (NULL == dm->backlight_dev)
+ DRM_ERROR("DM: Backlight registration failed!\n");
+ else
+ DRM_INFO("DM: Registered Backlight device: %s\n", bl_name);
+}
+
+#endif
+
+/* In this architecture, the association
+ * connector -> encoder -> crtc
+ * id not really requried. The crtc and connector will hold the
+ * display_index as an abstraction to use with DAL component
+ *
+ * Returns 0 on success
+ */
+int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
+{
+ struct amdgpu_display_manager *dm = &adev->dm;
+ uint32_t i;
+ struct amdgpu_connector *aconnector;
+ struct amdgpu_encoder *aencoder;
+ struct amdgpu_crtc *acrtc;
+ struct dc_caps caps = { 0 };
+ uint32_t link_cnt;
+
+ dc_get_caps(dm->dc, &caps);
+ link_cnt = caps.max_links;
+
+ if (amdgpu_dm_mode_config_init(dm->adev)) {
+ DRM_ERROR("DM: Failed to initialize mode config\n");
+ return -1;
+ }
+
+ for (i = 0; i < caps.max_targets; i++) {
+ acrtc = kzalloc(sizeof(struct amdgpu_crtc), GFP_KERNEL);
+ if (!acrtc)
+ goto fail;
+
+ if (amdgpu_dm_crtc_init(
+ dm,
+ acrtc,
+ i)) {
+ DRM_ERROR("KMS: Failed to initialize crtc\n");
+ kfree(acrtc);
+ goto fail;
+ }
+ }
+
+ dm->display_indexes_num = caps.max_targets;
+
+ /* loops over all connectors on the board */
+ for (i = 0; i < link_cnt; i++) {
+
+ if (i > AMDGPU_DM_MAX_DISPLAY_INDEX) {
+ DRM_ERROR(
+ "KMS: Cannot support more than %d display indexes\n",
+ AMDGPU_DM_MAX_DISPLAY_INDEX);
+ continue;
+ }
+
+ aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
+ if (!aconnector)
+ goto fail;
+
+ aencoder = kzalloc(sizeof(*aencoder), GFP_KERNEL);
+ if (!aencoder) {
+ goto fail_free_connector;
+ }
+
+ if (amdgpu_dm_encoder_init(dm->ddev, aencoder, i)) {
+ DRM_ERROR("KMS: Failed to initialize encoder\n");
+ goto fail_free_encoder;
+ }
+
+ if (amdgpu_dm_connector_init(dm, aconnector, i, aencoder)) {
+ DRM_ERROR("KMS: Failed to initialize connector\n");
+ goto fail_free_connector;
+ }
+
+ if (dc_link_detect(dc_get_link_at_index(dm->dc, i), true))
+ amdgpu_dm_update_connector_after_detect(
+ aconnector);
+ }
+
+ /* Software is initialized. Now we can register interrupt handlers. */
+ switch (adev->asic_type) {
+ case CHIP_TONGA:
+ case CHIP_FIJI:
+ case CHIP_CARRIZO:
+ case CHIP_STONEY:
+ if (dce110_register_irq_handlers(dm->adev)) {
+ DRM_ERROR("DM: Failed to initialize IRQ\n");
+ return -1;
+ }
+ break;
+ default:
+ DRM_ERROR("Usupported ASIC type: 0x%X\n", adev->asic_type);
+ return -1;
+ }
+
+ drm_mode_config_reset(dm->ddev);
+
+ return 0;
+fail_free_encoder:
+ kfree(aencoder);
+fail_free_connector:
+ kfree(aconnector);
+fail:
+ return -1;
+}
+
+void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm)
+{
+ drm_mode_config_cleanup(dm->ddev);
+ return;
+}
+
+/******************************************************************************
+ * amdgpu_display_funcs functions
+ *****************************************************************************/
+
+/**
+ * dm_bandwidth_update - program display watermarks
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Calculate and program the display watermarks and line buffer allocation.
+ */
+static void dm_bandwidth_update(struct amdgpu_device *adev)
+{
+ AMDGPU_DM_NOT_IMPL("%s\n", __func__);
+}
+
+static void dm_set_backlight_level(struct amdgpu_encoder *amdgpu_encoder,
+ u8 level)
+{
+ /* TODO: translate amdgpu_encoder to display_index and call DAL */
+ AMDGPU_DM_NOT_IMPL("%s\n", __func__);
+}
+
+static u8 dm_get_backlight_level(struct amdgpu_encoder *amdgpu_encoder)
+{
+ /* TODO: translate amdgpu_encoder to display_index and call DAL */
+ AMDGPU_DM_NOT_IMPL("%s\n", __func__);
+ return 0;
+}
+
+/******************************************************************************
+ * Page Flip functions
+ ******************************************************************************/
+
+void amdgpu_dm_flip_cleanup(
+ struct amdgpu_device *adev,
+ struct amdgpu_crtc *acrtc)
+{
+ int r;
+ struct amdgpu_flip_work *works = acrtc->pflip_works;
+
+ acrtc->pflip_works = NULL;
+ acrtc->pflip_status = AMDGPU_FLIP_NONE;
+
+ if (works) {
+ if(works->event)
+ drm_send_vblank_event(
+ adev->ddev,
+ acrtc->crtc_id,
+ works->event);
+
+ r = amdgpu_bo_reserve(works->old_rbo, false);
+ if (likely(r == 0)) {
+ r = amdgpu_bo_unpin(works->old_rbo);
+ if (unlikely(r != 0)) {
+ DRM_ERROR("failed to unpin buffer after flip\n");
+ }
+ amdgpu_bo_unreserve(works->old_rbo);
+ } else
+ DRM_ERROR("failed to reserve buffer after flip\n");
+
+ amdgpu_bo_unref(&works->old_rbo);
+ kfree(works->shared);
+ kfree(works);
+ }
+}
+
+/**
+ * dm_page_flip - called by amdgpu_flip_work_func(), which is triggered
+ * via DRM IOCTL, by user mode.
+ *
+ * @adev: amdgpu_device pointer
+ * @crtc_id: crtc to cleanup pageflip on
+ * @crtc_base: new address of the crtc (GPU MC address)
+ *
+ * Does the actual pageflip (surface address update).
+ */
+static void dm_page_flip(struct amdgpu_device *adev,
+ int crtc_id, u64 crtc_base)
+{
+ struct amdgpu_crtc *acrtc;
+ struct dc_target *target;
+ struct dc_flip_addrs addr = { {0} };
+
+ /*
+ * TODO risk of concurrency issues
+ *
+ * This should guarded by the dal_mutex but we can't do this since the
+ * caller uses a spin_lock on event_lock.
+ *
+ * If we wait on the dal_mutex a second page flip interrupt might come,
+ * spin on the event_lock, disabling interrupts while it does so. At
+ * this point the core can no longer be pre-empted and return to the
+ * thread that waited on the dal_mutex and we're deadlocked.
+ *
+ * With multiple cores the same essentially happens but might just take
+ * a little longer to lock up all cores.
+ *
+ * The reason we should lock on dal_mutex is so that we can be sure
+ * nobody messes with acrtc->target after we read and check its value.
+ *
+ * We might be able to fix our concurrency issues with a work queue
+ * where we schedule all work items (mode_set, page_flip, etc.) and
+ * execute them one by one. Care needs to be taken to still deal with
+ * any potential concurrency issues arising from interrupt calls.
+ */
+
+ acrtc = adev->mode_info.crtcs[crtc_id];
+ target = acrtc->target;
+
+ /*
+ * Received a page flip call after the display has been reset.
+ * Just return in this case. Everything should be clean-up on reset.
+ */
+ if (!target)
+ return;
+
+ addr.address.grph.addr.low_part = lower_32_bits(crtc_base);
+ addr.address.grph.addr.high_part = upper_32_bits(crtc_base);
+
+ dc_flip_surface_addrs(
+ adev->dm.dc,
+ dc_target_get_status(target)->surfaces,
+ &addr, 1);
+}
+
+static const struct amdgpu_display_funcs dm_dce_v8_0_display_funcs = {
+ .set_vga_render_state = dce_v8_0_set_vga_render_state,
+ .bandwidth_update = dm_bandwidth_update, /* called unconditionally */
+ .vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */
+ .vblank_wait = NULL,
+ .is_display_hung = NULL, /* not called anywhere */
+ .backlight_set_level =
+ dm_set_backlight_level,/* called unconditionally */
+ .backlight_get_level =
+ dm_get_backlight_level,/* called unconditionally */
+ .hpd_sense = NULL,/* called unconditionally */
+ .hpd_set_polarity = NULL, /* called unconditionally */
+ .hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */
+ .page_flip = dm_page_flip, /* called unconditionally */
+ .page_flip_get_scanoutpos =
+ dm_crtc_get_scanoutpos,/* called unconditionally */
+ .add_encoder = NULL, /* VBIOS parsing. DAL does it. */
+ .add_connector = NULL, /* VBIOS parsing. DAL does it. */
+ .stop_mc_access = dce_v8_0_stop_mc_access, /* called unconditionally */
+ .resume_mc_access = dce_v8_0_resume_mc_access, /* called unconditionally */
+};
+
+static const struct amdgpu_display_funcs dm_dce_v10_0_display_funcs = {
+ .set_vga_render_state = dce_v10_0_set_vga_render_state,
+ .bandwidth_update = dm_bandwidth_update, /* called unconditionally */
+ .vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */
+ .vblank_wait = NULL,
+ .is_display_hung = NULL, /* not called anywhere */
+ .backlight_set_level =
+ dm_set_backlight_level,/* called unconditionally */
+ .backlight_get_level =
+ dm_get_backlight_level,/* called unconditionally */
+ .hpd_sense = NULL,/* called unconditionally */
+ .hpd_set_polarity = NULL, /* called unconditionally */
+ .hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */
+ .page_flip = dm_page_flip, /* called unconditionally */
+ .page_flip_get_scanoutpos =
+ dm_crtc_get_scanoutpos,/* called unconditionally */
+ .add_encoder = NULL, /* VBIOS parsing. DAL does it. */
+ .add_connector = NULL, /* VBIOS parsing. DAL does it. */
+ .stop_mc_access = dce_v10_0_stop_mc_access, /* called unconditionally */
+ .resume_mc_access = dce_v10_0_resume_mc_access, /* called unconditionally */
+};
+
+static const struct amdgpu_display_funcs dm_dce_v11_0_display_funcs = {
+ .set_vga_render_state = dce_v11_0_set_vga_render_state,
+ .bandwidth_update = dm_bandwidth_update, /* called unconditionally */
+ .vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */
+ .vblank_wait = NULL,
+ .is_display_hung = NULL, /* not called anywhere */
+ .backlight_set_level =
+ dm_set_backlight_level,/* called unconditionally */
+ .backlight_get_level =
+ dm_get_backlight_level,/* called unconditionally */
+ .hpd_sense = NULL,/* called unconditionally */
+ .hpd_set_polarity = NULL, /* called unconditionally */
+ .hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */
+ .page_flip = dm_page_flip, /* called unconditionally */
+ .page_flip_get_scanoutpos =
+ dm_crtc_get_scanoutpos,/* called unconditionally */
+ .add_encoder = NULL, /* VBIOS parsing. DAL does it. */
+ .add_connector = NULL, /* VBIOS parsing. DAL does it. */
+ .stop_mc_access = dce_v11_0_stop_mc_access, /* called unconditionally */
+ .resume_mc_access = dce_v11_0_resume_mc_access, /* called unconditionally */
+};
+
+static int dm_early_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ amdgpu_dm_set_irq_funcs(adev);
+
+ switch (adev->asic_type) {
+ case CHIP_FIJI:
+ case CHIP_TONGA:
+ adev->mode_info.num_crtc = 6;
+ adev->mode_info.num_hpd = 6;
+ adev->mode_info.num_dig = 7;
+ if (adev->mode_info.funcs == NULL)
+ adev->mode_info.funcs = &dm_dce_v10_0_display_funcs;
+ break;
+ case CHIP_CARRIZO:
+ case CHIP_STONEY:
+ adev->mode_info.num_crtc = 3;
+ adev->mode_info.num_hpd = 6;
+ adev->mode_info.num_dig = 9;
+ if (adev->mode_info.funcs == NULL)
+ adev->mode_info.funcs = &dm_dce_v11_0_display_funcs;
+ break;
+ default:
+ DRM_ERROR("Usupported ASIC type: 0x%X\n", adev->asic_type);
+ return -EINVAL;
+ }
+
+ /* Note: Do NOT change adev->audio_endpt_rreg and
+ * adev->audio_endpt_wreg because they are initialised in
+ * amdgpu_device_init() */
+
+
+
+ return 0;
+}
+
+
+bool amdgpu_dm_acquire_dal_lock(struct amdgpu_display_manager *dm)
+{
+ /* TODO */
+ return true;
+}
+
+bool amdgpu_dm_release_dal_lock(struct amdgpu_display_manager *dm)
+{
+ /* TODO */
+ return true;
+}
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.h
new file mode 100644
index 000000000000..c4ae90b31523
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.h
@@ -0,0 +1,168 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __AMDGPU_DM_H__
+#define __AMDGPU_DM_H__
+
+/*
+#include "linux/switch.h"
+*/
+
+/*
+ * This file contains the definition for amdgpu_display_manager
+ * and its API for amdgpu driver's use.
+ * This component provides all the display related functionality
+ * and this is the only component that calls DAL API.
+ * The API contained here intended for amdgpu driver use.
+ * The API that is called directly from KMS framework is located
+ * in amdgpu_dm_kms.h file
+ */
+
+#define AMDGPU_DM_MAX_DISPLAY_INDEX 31
+/*
+#include "include/amdgpu_dal_power_if.h"
+#include "amdgpu_dm_irq.h"
+*/
+
+#include "irq_types.h"
+
+/* Forward declarations */
+struct amdgpu_device;
+struct drm_device;
+struct amdgpu_dm_irq_handler_data;
+
+struct amdgpu_dm_prev_state {
+ struct drm_framebuffer *fb;
+ int32_t x;
+ int32_t y;
+ struct drm_display_mode mode;
+};
+
+struct common_irq_params {
+ struct amdgpu_device *adev;
+ enum dc_irq_source irq_src;
+};
+
+struct irq_list_head {
+ struct list_head head;
+ /* In case this interrupt needs post-processing, 'work' will be queued*/
+ struct work_struct work;
+};
+
+struct amdgpu_display_manager {
+ struct dal *dal;
+ struct dc *dc;
+ void *cgs_device;
+ /* lock to be used when DAL is called from SYNC IRQ context */
+ spinlock_t dal_lock;
+
+ struct amdgpu_device *adev; /*AMD base driver*/
+ struct drm_device *ddev; /*DRM base driver*/
+ u16 display_indexes_num;
+
+ struct amdgpu_dm_prev_state prev_state;
+
+ /*
+ * 'irq_source_handler_table' holds a list of handlers
+ * per (DAL) IRQ source.
+ *
+ * Each IRQ source may need to be handled at different contexts.
+ * By 'context' we mean, for example:
+ * - The ISR context, which is the direct interrupt handler.
+ * - The 'deferred' context - this is the post-processing of the
+ * interrupt, but at a lower priority.
+ *
+ * Note that handlers are called in the same order as they were
+ * registered (FIFO).
+ */
+ struct irq_list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER];
+ struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER];
+
+ struct common_irq_params
+ pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1];
+
+ struct common_irq_params
+ vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1];
+
+ /* this spin lock synchronizes access to 'irq_handler_list_table' */
+ spinlock_t irq_handler_list_table_lock;
+
+ /* Timer-related data. */
+ struct list_head timer_handler_list;
+ struct workqueue_struct *timer_workqueue;
+
+ /* Use dal_mutex for any activity which is NOT syncronized by
+ * DRM mode setting locks.
+ * For example: amdgpu_dm_hpd_low_irq() calls into DAL *without*
+ * DRM mode setting locks being acquired. This is where dal_mutex
+ * is acquired before calling into DAL. */
+ struct mutex dal_mutex;
+
+ struct backlight_device *backlight_dev;
+
+ const struct dc_link *backlight_link;
+
+ struct work_struct mst_hotplug_work;
+};
+
+
+/* basic init/fini API */
+int amdgpu_dm_init(struct amdgpu_device *adev);
+
+void amdgpu_dm_fini(struct amdgpu_device *adev);
+
+void amdgpu_dm_destroy(void);
+
+/* initializes drm_device display related structures, based on the information
+ * provided by DAL. The drm strcutures are: drm_crtc, drm_connector,
+ * drm_encoder, drm_mode_config
+ *
+ * Returns 0 on success
+ */
+int amdgpu_dm_initialize_drm_device(
+ struct amdgpu_device *adev);
+
+/* removes and deallocates the drm structures, created by the above function */
+void amdgpu_dm_destroy_drm_device(
+ struct amdgpu_display_manager *dm);
+
+/* Locking/Mutex */
+bool amdgpu_dm_acquire_dal_lock(struct amdgpu_display_manager *dm);
+
+bool amdgpu_dm_release_dal_lock(struct amdgpu_display_manager *dm);
+
+/* Register "Backlight device" accessible by user-mode. */
+void amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm);
+
+void amdgpu_dm_flip_cleanup(
+ struct amdgpu_device *adev,
+ struct amdgpu_crtc *acrtc);
+
+extern const struct amd_ip_funcs amdgpu_dm_funcs;
+
+void amdgpu_dm_update_connector_after_detect(
+ struct amdgpu_connector *aconnector);
+
+#endif /* __AMDGPU_DM_H__ */
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_helpers.c
new file mode 100644
index 000000000000..57ff7919db77
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_helpers.c
@@ -0,0 +1,517 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include <linux/string.h>
+#include <linux/acpi.h>
+#include <linux/version.h>
+#include <linux/i2c.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/amdgpu_drm.h>
+#include <drm/drm_edid.h>
+
+#include "dm_services.h"
+#include "amdgpu.h"
+#include "dc.h"
+#include "amdgpu_dm.h"
+#include "amdgpu_dm_irq.h"
+#include "amdgpu_dm_types.h"
+
+#include "dm_helpers.h"
+
+/* dm_helpers_parse_edid_caps
+ *
+ * Parse edid caps
+ *
+ * @edid: [in] pointer to edid
+ * edid_caps: [in] pointer to edid caps
+ * @return
+ * void
+ * */
+enum dc_edid_status dm_helpers_parse_edid_caps(
+ struct dc_context *ctx,
+ const struct dc_edid *edid,
+ struct dc_edid_caps *edid_caps)
+{
+ struct edid *edid_buf = (struct edid *) edid->raw_edid;
+ struct cea_sad *sads;
+ int sad_count = -1;
+ int sadb_count = -1;
+ int i = 0;
+ int j = 0;
+ uint8_t *sadb = NULL;
+
+ enum dc_edid_status result = EDID_OK;
+
+ if (!edid_caps || !edid)
+ return EDID_BAD_INPUT;
+
+ if (!drm_edid_is_valid(edid_buf))
+ result = EDID_BAD_CHECKSUM;
+
+ edid_caps->manufacturer_id = (uint16_t) edid_buf->mfg_id[0] |
+ ((uint16_t) edid_buf->mfg_id[1])<<8;
+ edid_caps->product_id = (uint16_t) edid_buf->prod_code[0] |
+ ((uint16_t) edid_buf->prod_code[1])<<8;
+ edid_caps->serial_number = edid_buf->serial;
+ edid_caps->manufacture_week = edid_buf->mfg_week;
+ edid_caps->manufacture_year = edid_buf->mfg_year;
+
+ /* One of the four detailed_timings stores the monitor name. It's
+ * stored in an array of length 13. */
+ for (i = 0; i < 4; i++) {
+ if (edid_buf->detailed_timings[i].data.other_data.type == 0xfc) {
+ while (edid_buf->detailed_timings[i].data.other_data.data.str.str[j] && j < 13) {
+ if (edid_buf->detailed_timings[i].data.other_data.data.str.str[j] == '\n')
+ break;
+
+ edid_caps->display_name[j] =
+ edid_buf->detailed_timings[i].data.other_data.data.str.str[j];
+ j++;
+ }
+ }
+ }
+
+ sad_count = drm_edid_to_sad((struct edid *) edid->raw_edid, &sads);
+ if (sad_count <= 0) {
+ DRM_INFO("SADs count is: %d, don't need to read it\n",
+ sad_count);
+ return result;
+ }
+
+ edid_caps->audio_mode_count = sad_count < DC_MAX_AUDIO_DESC_COUNT ? sad_count : DC_MAX_AUDIO_DESC_COUNT;
+ for (i = 0; i < edid_caps->audio_mode_count; ++i) {
+ struct cea_sad *sad = &sads[i];
+
+ edid_caps->audio_modes[i].format_code = sad->format;
+ edid_caps->audio_modes[i].channel_count = sad->channels;
+ edid_caps->audio_modes[i].sample_rate = sad->freq;
+ edid_caps->audio_modes[i].sample_size = sad->byte2;
+ }
+
+ sadb_count = drm_edid_to_speaker_allocation((struct edid *) edid->raw_edid, &sadb);
+
+ if (sadb_count < 0) {
+ DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sadb_count);
+ sadb_count = 0;
+ }
+
+ if (sadb_count)
+ edid_caps->speaker_flags = sadb[0];
+ else
+ edid_caps->speaker_flags = DEFAULT_SPEAKER_LOCATION;
+
+ kfree(sads);
+ kfree(sadb);
+
+ return result;
+}
+
+static struct amdgpu_connector *get_connector_for_sink(
+ struct drm_device *dev,
+ const struct dc_sink *sink)
+{
+ struct drm_connector *connector;
+ struct amdgpu_connector *aconnector = NULL;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ aconnector = to_amdgpu_connector(connector);
+ if (aconnector->dc_sink == sink)
+ break;
+ }
+
+ return aconnector;
+}
+
+static struct amdgpu_connector *get_connector_for_link(
+ struct drm_device *dev,
+ const struct dc_link *link)
+{
+ struct drm_connector *connector;
+ struct amdgpu_connector *aconnector = NULL;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ aconnector = to_amdgpu_connector(connector);
+ if (aconnector->dc_link == link)
+ break;
+ }
+
+ return aconnector;
+}
+
+
+static void get_payload_table(
+ struct amdgpu_connector *aconnector,
+ struct dp_mst_stream_allocation_table *proposed_table)
+{
+ int i;
+ struct drm_dp_mst_topology_mgr *mst_mgr =
+ &aconnector->mst_port->mst_mgr;
+
+ mutex_lock(&mst_mgr->payload_lock);
+
+ proposed_table->stream_count = 0;
+
+ /* number of active streams */
+ for (i = 0; i < mst_mgr->max_payloads; i++) {
+ if (mst_mgr->payloads[i].num_slots == 0)
+ break; /* end of vcp_id table */
+
+ ASSERT(mst_mgr->payloads[i].payload_state !=
+ DP_PAYLOAD_DELETE_LOCAL);
+
+ if (mst_mgr->payloads[i].payload_state == DP_PAYLOAD_LOCAL ||
+ mst_mgr->payloads[i].payload_state ==
+ DP_PAYLOAD_REMOTE) {
+
+ struct dp_mst_stream_allocation *sa =
+ &proposed_table->stream_allocations[
+ proposed_table->stream_count];
+
+ sa->slot_count = mst_mgr->payloads[i].num_slots;
+ sa->vcp_id = mst_mgr->proposed_vcpis[i]->vcpi;
+ proposed_table->stream_count++;
+ }
+ }
+
+ mutex_unlock(&mst_mgr->payload_lock);
+}
+
+/*
+ * Writes payload allocation table in immediate downstream device.
+ */
+bool dm_helpers_dp_mst_write_payload_allocation_table(
+ struct dc_context *ctx,
+ const struct dc_stream *stream,
+ struct dp_mst_stream_allocation_table *proposed_table,
+ bool enable)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct drm_device *dev = adev->ddev;
+ struct amdgpu_connector *aconnector;
+ struct drm_dp_mst_topology_mgr *mst_mgr;
+ struct drm_dp_mst_port *mst_port;
+ int slots = 0;
+ bool ret;
+ int clock;
+ int bpp = 0;
+ int pbn = 0;
+
+ aconnector = get_connector_for_sink(dev, stream->sink);
+
+ if (!aconnector->mst_port)
+ return false;
+
+ mst_mgr = &aconnector->mst_port->mst_mgr;
+
+ if (!mst_mgr->mst_state)
+ return false;
+
+ mst_port = aconnector->port;
+
+ if (enable) {
+ clock = stream->timing.pix_clk_khz;
+
+ switch (stream->timing.display_color_depth) {
+
+ case COLOR_DEPTH_666:
+ bpp = 6;
+ break;
+ case COLOR_DEPTH_888:
+ bpp = 8;
+ break;
+ case COLOR_DEPTH_101010:
+ bpp = 10;
+ break;
+ case COLOR_DEPTH_121212:
+ bpp = 12;
+ break;
+ case COLOR_DEPTH_141414:
+ bpp = 14;
+ break;
+ case COLOR_DEPTH_161616:
+ bpp = 16;
+ break;
+ default:
+ ASSERT(bpp != 0);
+ break;
+ }
+
+ bpp = bpp * 3;
+
+ /* TODO need to know link rate */
+
+ pbn = drm_dp_calc_pbn_mode(clock, bpp);
+
+ ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port, pbn, &slots);
+
+ if (!ret)
+ return false;
+
+ } else {
+ drm_dp_mst_reset_vcpi_slots(mst_mgr, mst_port);
+ }
+
+ ret = drm_dp_update_payload_part1(mst_mgr);
+
+ /* mst_mgr->->payloads are VC payload notify MST branch using DPCD or
+ * AUX message. The sequence is slot 1-63 allocated sequence for each
+ * stream. AMD ASIC stream slot allocation should follow the same
+ * sequence. copy DRM MST allocation to dc */
+
+ get_payload_table(aconnector, proposed_table);
+
+ if (ret)
+ return false;
+
+ return true;
+}
+
+/*
+ * Polls for ACT (allocation change trigger) handled and sends
+ * ALLOCATE_PAYLOAD message.
+ */
+bool dm_helpers_dp_mst_poll_for_allocation_change_trigger(
+ struct dc_context *ctx,
+ const struct dc_stream *stream)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct drm_device *dev = adev->ddev;
+ struct amdgpu_connector *aconnector;
+ struct drm_dp_mst_topology_mgr *mst_mgr;
+ int ret;
+
+ aconnector = get_connector_for_sink(dev, stream->sink);
+
+ if (!aconnector->mst_port)
+ return false;
+
+ mst_mgr = &aconnector->mst_port->mst_mgr;
+
+ if (!mst_mgr->mst_state)
+ return false;
+
+ ret = drm_dp_check_act_status(mst_mgr);
+
+ if (ret)
+ return false;
+
+ return true;
+}
+
+bool dm_helpers_dp_mst_send_payload_allocation(
+ struct dc_context *ctx,
+ const struct dc_stream *stream,
+ bool enable)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct drm_device *dev = adev->ddev;
+ struct amdgpu_connector *aconnector;
+ struct drm_dp_mst_topology_mgr *mst_mgr;
+ struct drm_dp_mst_port *mst_port;
+ int ret;
+
+ aconnector = get_connector_for_sink(dev, stream->sink);
+
+ mst_port = aconnector->port;
+
+ if (!aconnector->mst_port)
+ return false;
+
+ mst_mgr = &aconnector->mst_port->mst_mgr;
+
+ if (!mst_mgr->mst_state)
+ return false;
+
+ ret = drm_dp_update_payload_part2(mst_mgr);
+
+ if (ret)
+ return false;
+
+ if (!enable)
+ drm_dp_mst_deallocate_vcpi(mst_mgr, mst_port);
+
+ return true;
+}
+
+void dm_helpers_dp_mst_handle_mst_hpd_rx_irq(void *param)
+{
+ uint8_t esi[8] = { 0 };
+ uint8_t dret;
+ bool new_irq_handled = true;
+ struct amdgpu_connector *aconnector = (struct amdgpu_connector *)param;
+
+ /* DPCD 0x2002 - 0x2008 for down stream IRQ from MST, eDP etc. */
+ dret = drm_dp_dpcd_read(
+ &aconnector->dm_dp_aux.aux,
+ DP_SINK_COUNT_ESI, esi, 8);
+
+ while ((dret == 8) && new_irq_handled) {
+ uint8_t retry;
+
+ DRM_DEBUG_KMS("ESI %02x %02x %02x\n", esi[0], esi[1], esi[2]);
+
+ /* handle HPD short pulse irq */
+ drm_dp_mst_hpd_irq(&aconnector->mst_mgr, esi, &new_irq_handled);
+
+ if (new_irq_handled) {
+ /* ACK at DPCD to notify down stream */
+ for (retry = 0; retry < 3; retry++) {
+ uint8_t wret;
+
+ wret = drm_dp_dpcd_write(
+ &aconnector->dm_dp_aux.aux,
+ DP_SINK_COUNT_ESI + 1,
+ &esi[1],
+ 3);
+ if (wret == 3)
+ break;
+ }
+
+ /* check if there is new irq to be handle */
+ dret = drm_dp_dpcd_read(
+ &aconnector->dm_dp_aux.aux,
+ DP_SINK_COUNT_ESI, esi, 8);
+ }
+ }
+}
+
+bool dm_helpers_dp_mst_start_top_mgr(
+ struct dc_context *ctx,
+ const struct dc_link *link,
+ bool boot)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct drm_device *dev = adev->ddev;
+ struct amdgpu_connector *aconnector = get_connector_for_link(dev, link);
+
+ if (boot) {
+ DRM_INFO("DM_MST: Differing MST start on aconnector: %p [id: %d]\n",
+ aconnector, aconnector->base.base.id);
+ return true;
+ }
+
+ DRM_INFO("DM_MST: starting TM on aconnector: %p [id: %d]\n",
+ aconnector, aconnector->base.base.id);
+
+ return (drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true) == 0);
+}
+
+void dm_helpers_dp_mst_stop_top_mgr(
+ struct dc_context *ctx,
+ const struct dc_link *link)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct drm_device *dev = adev->ddev;
+ struct amdgpu_connector *aconnector = get_connector_for_link(dev, link);
+
+ DRM_INFO("DM_MST: stopping TM on aconnector: %p [id: %d]\n",
+ aconnector, aconnector->base.base.id);
+
+ if (aconnector->mst_mgr.mst_state == true)
+ drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, false);
+}
+
+bool dm_helpers_dp_read_dpcd(
+ struct dc_context *ctx,
+ const struct dc_link *link,
+ uint32_t address,
+ uint8_t *data,
+ uint32_t size)
+{
+
+
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct drm_device *dev = adev->ddev;
+ struct amdgpu_connector *aconnector = get_connector_for_link(dev, link);
+
+ if (!aconnector) {
+ DRM_ERROR("Failed to found connector for link!");
+ return false;
+ }
+
+ return drm_dp_dpcd_read(&aconnector->dm_dp_aux.aux, address,
+ data, size) > 0;
+}
+
+bool dm_helpers_dp_write_dpcd(
+ struct dc_context *ctx,
+ const struct dc_link *link,
+ uint32_t address,
+ const uint8_t *data,
+ uint32_t size)
+{
+
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct drm_device *dev = adev->ddev;
+ struct amdgpu_connector *aconnector = get_connector_for_link(dev, link);
+
+ if (!aconnector) {
+ DRM_ERROR("Failed to found connector for link!");
+ return false;
+ }
+
+ return drm_dp_dpcd_write(&aconnector->dm_dp_aux.aux,
+ address, (uint8_t *)data, size) > 0;
+}
+
+bool dm_helpers_submit_i2c(
+ struct dc_context *ctx,
+ const struct dc_link *link,
+ struct i2c_command *cmd)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct drm_device *dev = adev->ddev;
+ struct amdgpu_connector *aconnector = get_connector_for_link(dev, link);
+ struct i2c_msg *msgs;
+ int i = 0;
+ int num = cmd->number_of_payloads;
+ bool result;
+
+ if (!aconnector) {
+ DRM_ERROR("Failed to found connector for link!");
+ return false;
+ }
+
+ msgs = kzalloc(num * sizeof(struct i2c_msg), GFP_KERNEL);
+
+ if (!msgs)
+ return false;
+
+ for (i = 0; i < num; i++) {
+ msgs[i].flags = cmd->payloads[i].write ? I2C_M_RD : 0;
+ msgs[i].addr = cmd->payloads[i].address;
+ msgs[i].len = cmd->payloads[i].length;
+ msgs[i].buf = cmd->payloads[i].data;
+ }
+
+ result = i2c_transfer(&aconnector->i2c->base, msgs, num) == num;
+
+ kfree(msgs);
+
+ return result;
+}
+
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c
new file mode 100644
index 000000000000..9b5fd7063a0b
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c
@@ -0,0 +1,820 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include <drm/drmP.h>
+
+#include "dm_services_types.h"
+#include "dc.h"
+
+#include "amdgpu.h"
+#include "amdgpu_dm.h"
+#include "amdgpu_dm_irq.h"
+
+
+/******************************************************************************
+ * Private declarations.
+ *****************************************************************************/
+
+struct handler_common_data {
+ struct list_head list;
+ interrupt_handler handler;
+ void *handler_arg;
+
+ /* DM which this handler belongs to */
+ struct amdgpu_display_manager *dm;
+};
+
+struct amdgpu_dm_irq_handler_data {
+ struct handler_common_data hcd;
+ /* DAL irq source which registered for this interrupt. */
+ enum dc_irq_source irq_source;
+};
+
+struct amdgpu_dm_timer_handler_data {
+ struct handler_common_data hcd;
+ struct delayed_work d_work;
+};
+
+
+#define DM_IRQ_TABLE_LOCK(adev, flags) \
+ spin_lock_irqsave(&adev->dm.irq_handler_list_table_lock, flags)
+
+#define DM_IRQ_TABLE_UNLOCK(adev, flags) \
+ spin_unlock_irqrestore(&adev->dm.irq_handler_list_table_lock, flags)
+
+/******************************************************************************
+ * Private functions.
+ *****************************************************************************/
+
+static void init_handler_common_data(
+ struct handler_common_data *hcd,
+ void (*ih)(void *),
+ void *args,
+ struct amdgpu_display_manager *dm)
+{
+ hcd->handler = ih;
+ hcd->handler_arg = args;
+ hcd->dm = dm;
+}
+
+/**
+ * dm_irq_work_func - Handle an IRQ outside of the interrupt handler proper.
+ *
+ * @work: work struct
+ */
+static void dm_irq_work_func(struct work_struct *work)
+{
+ struct list_head *entry;
+ struct irq_list_head *irq_list_head =
+ container_of(work, struct irq_list_head, work);
+ struct list_head *handler_list = &irq_list_head->head;
+ struct amdgpu_dm_irq_handler_data *handler_data;
+
+ list_for_each(entry, handler_list) {
+ handler_data =
+ list_entry(
+ entry,
+ struct amdgpu_dm_irq_handler_data,
+ hcd.list);
+
+ DRM_DEBUG_KMS("DM_IRQ: work_func: for dal_src=%d\n",
+ handler_data->irq_source);
+
+ DRM_DEBUG_KMS("DM_IRQ: schedule_work: for dal_src=%d\n",
+ handler_data->irq_source);
+
+ handler_data->hcd.handler(handler_data->hcd.handler_arg);
+ }
+
+ /* Call a DAL subcomponent which registered for interrupt notification
+ * at INTERRUPT_LOW_IRQ_CONTEXT.
+ * (The most common use is HPD interrupt) */
+}
+
+/**
+ * Remove a handler and return a pointer to hander list from which the
+ * handler was removed.
+ */
+static struct list_head *remove_irq_handler(
+ struct amdgpu_device *adev,
+ void *ih,
+ const struct dc_interrupt_params *int_params)
+{
+ struct list_head *hnd_list;
+ struct list_head *entry, *tmp;
+ struct amdgpu_dm_irq_handler_data *handler;
+ unsigned long irq_table_flags;
+ bool handler_removed = false;
+ enum dc_irq_source irq_source;
+
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+
+ irq_source = int_params->irq_source;
+
+ switch (int_params->int_context) {
+ case INTERRUPT_HIGH_IRQ_CONTEXT:
+ hnd_list = &adev->dm.irq_handler_list_high_tab[irq_source];
+ break;
+ case INTERRUPT_LOW_IRQ_CONTEXT:
+ default:
+ hnd_list = &adev->dm.irq_handler_list_low_tab[irq_source].head;
+ break;
+ }
+
+ list_for_each_safe(entry, tmp, hnd_list) {
+
+ handler = list_entry(entry, struct amdgpu_dm_irq_handler_data,
+ hcd.list);
+
+ if (ih == handler) {
+ /* Found our handler. Remove it from the list. */
+ list_del(&handler->hcd.list);
+ handler_removed = true;
+ break;
+ }
+ }
+
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+
+ if (handler_removed == false) {
+ /* Not necessarily an error - caller may not
+ * know the context. */
+ return NULL;
+ }
+
+ kfree(handler);
+
+ DRM_DEBUG_KMS(
+ "DM_IRQ: removed irq handler: %p for: dal_src=%d, irq context=%d\n",
+ ih, int_params->irq_source, int_params->int_context);
+
+ return hnd_list;
+}
+
+/* If 'handler_in == NULL' then remove ALL handlers. */
+static void remove_timer_handler(
+ struct amdgpu_device *adev,
+ struct amdgpu_dm_timer_handler_data *handler_in)
+{
+ struct amdgpu_dm_timer_handler_data *handler_temp;
+ struct list_head *handler_list;
+ struct list_head *entry, *tmp;
+ unsigned long irq_table_flags;
+ bool handler_removed = false;
+
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+
+ handler_list = &adev->dm.timer_handler_list;
+
+ list_for_each_safe(entry, tmp, handler_list) {
+ /* Note that list_for_each_safe() guarantees that
+ * handler_temp is NOT null. */
+ handler_temp = list_entry(entry,
+ struct amdgpu_dm_timer_handler_data, hcd.list);
+
+ if (handler_in == NULL || handler_in == handler_temp) {
+ list_del(&handler_temp->hcd.list);
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+
+ DRM_DEBUG_KMS("DM_IRQ: removing timer handler: %p\n",
+ handler_temp);
+
+ if (handler_in == NULL) {
+ /* Since it is still in the queue, it must
+ * be cancelled. */
+ cancel_delayed_work_sync(&handler_temp->d_work);
+ }
+
+ kfree(handler_temp);
+ handler_removed = true;
+
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+ }
+
+ if (handler_in == NULL) {
+ /* Remove ALL handlers. */
+ continue;
+ }
+
+ if (handler_in == handler_temp) {
+ /* Remove a SPECIFIC handler.
+ * Found our handler - we can stop here. */
+ break;
+ }
+ }
+
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+
+ if (handler_in != NULL && handler_removed == false) {
+ DRM_ERROR("DM_IRQ: handler: %p is not in the list!\n",
+ handler_in);
+ }
+}
+
+/**
+ * dm_timer_work_func - Handle a timer.
+ *
+ * @work: work struct
+ */
+static void dm_timer_work_func(
+ struct work_struct *work)
+{
+ struct amdgpu_dm_timer_handler_data *handler_data =
+ container_of(work, struct amdgpu_dm_timer_handler_data,
+ d_work.work);
+
+ DRM_DEBUG_KMS("DM_IRQ: work_func: handler_data=%p\n", handler_data);
+
+ /* Call a DAL subcomponent which registered for timer notification. */
+ handler_data->hcd.handler(handler_data->hcd.handler_arg);
+
+ /* We support only "single shot" timers. That means we must delete
+ * the handler after it was called. */
+ remove_timer_handler(handler_data->hcd.dm->adev, handler_data);
+}
+
+static bool validate_irq_registration_params(
+ struct dc_interrupt_params *int_params,
+ void (*ih)(void *))
+{
+ if (NULL == int_params || NULL == ih) {
+ DRM_ERROR("DM_IRQ: invalid input!\n");
+ return false;
+ }
+
+ if (int_params->int_context >= INTERRUPT_CONTEXT_NUMBER) {
+ DRM_ERROR("DM_IRQ: invalid context: %d!\n",
+ int_params->int_context);
+ return false;
+ }
+
+ if (!DAL_VALID_IRQ_SRC_NUM(int_params->irq_source)) {
+ DRM_ERROR("DM_IRQ: invalid irq_source: %d!\n",
+ int_params->irq_source);
+ return false;
+ }
+
+ return true;
+}
+
+static bool validate_irq_unregistration_params(
+ enum dc_irq_source irq_source,
+ irq_handler_idx handler_idx)
+{
+ if (DAL_INVALID_IRQ_HANDLER_IDX == handler_idx) {
+ DRM_ERROR("DM_IRQ: invalid handler_idx==NULL!\n");
+ return false;
+ }
+
+ if (!DAL_VALID_IRQ_SRC_NUM(irq_source)) {
+ DRM_ERROR("DM_IRQ: invalid irq_source:%d!\n", irq_source);
+ return false;
+ }
+
+ return true;
+}
+/******************************************************************************
+ * Public functions.
+ *
+ * Note: caller is responsible for input validation.
+ *****************************************************************************/
+
+void *amdgpu_dm_irq_register_interrupt(
+ struct amdgpu_device *adev,
+ struct dc_interrupt_params *int_params,
+ void (*ih)(void *),
+ void *handler_args)
+{
+ struct list_head *hnd_list;
+ struct amdgpu_dm_irq_handler_data *handler_data;
+ unsigned long irq_table_flags;
+ enum dc_irq_source irq_source;
+
+ if (false == validate_irq_registration_params(int_params, ih))
+ return DAL_INVALID_IRQ_HANDLER_IDX;
+
+ handler_data = kzalloc(sizeof(*handler_data), GFP_KERNEL);
+ if (!handler_data) {
+ DRM_ERROR("DM_IRQ: failed to allocate irq handler!\n");
+ return DAL_INVALID_IRQ_HANDLER_IDX;
+ }
+
+ memset(handler_data, 0, sizeof(*handler_data));
+
+ init_handler_common_data(&handler_data->hcd, ih, handler_args,
+ &adev->dm);
+
+ irq_source = int_params->irq_source;
+
+ handler_data->irq_source = irq_source;
+
+ /* Lock the list, add the handler. */
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+
+ switch (int_params->int_context) {
+ case INTERRUPT_HIGH_IRQ_CONTEXT:
+ hnd_list = &adev->dm.irq_handler_list_high_tab[irq_source];
+ break;
+ case INTERRUPT_LOW_IRQ_CONTEXT:
+ default:
+ hnd_list = &adev->dm.irq_handler_list_low_tab[irq_source].head;
+ break;
+ }
+
+ list_add_tail(&handler_data->hcd.list, hnd_list);
+
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+
+ /* This pointer will be stored by code which requested interrupt
+ * registration.
+ * The same pointer will be needed in order to unregister the
+ * interrupt. */
+
+ DRM_DEBUG_KMS(
+ "DM_IRQ: added irq handler: %p for: dal_src=%d, irq context=%d\n",
+ handler_data,
+ irq_source,
+ int_params->int_context);
+
+ return handler_data;
+}
+
+void amdgpu_dm_irq_unregister_interrupt(
+ struct amdgpu_device *adev,
+ enum dc_irq_source irq_source,
+ void *ih)
+{
+ struct list_head *handler_list;
+ struct dc_interrupt_params int_params;
+ int i;
+
+ if (false == validate_irq_unregistration_params(irq_source, ih))
+ return;
+
+ memset(&int_params, 0, sizeof(int_params));
+
+ int_params.irq_source = irq_source;
+
+ for (i = 0; i < INTERRUPT_CONTEXT_NUMBER; i++) {
+
+ int_params.int_context = i;
+
+ handler_list = remove_irq_handler(adev, ih, &int_params);
+
+ if (handler_list != NULL)
+ break;
+ }
+
+ if (handler_list == NULL) {
+ /* If we got here, it means we searched all irq contexts
+ * for this irq source, but the handler was not found. */
+ DRM_ERROR(
+ "DM_IRQ: failed to find irq handler:%p for irq_source:%d!\n",
+ ih, irq_source);
+ }
+}
+
+int amdgpu_dm_irq_init(
+ struct amdgpu_device *adev)
+{
+ int src;
+ struct irq_list_head *lh;
+
+ DRM_DEBUG_KMS("DM_IRQ\n");
+
+ spin_lock_init(&adev->dm.irq_handler_list_table_lock);
+
+ for (src = 0; src < DAL_IRQ_SOURCES_NUMBER; src++) {
+ /* low context handler list init */
+ lh = &adev->dm.irq_handler_list_low_tab[src];
+ INIT_LIST_HEAD(&lh->head);
+ INIT_WORK(&lh->work, dm_irq_work_func);
+
+ /* high context handler init */
+ INIT_LIST_HEAD(&adev->dm.irq_handler_list_high_tab[src]);
+ }
+
+ INIT_LIST_HEAD(&adev->dm.timer_handler_list);
+
+ /* allocate and initialize the workqueue for DM timer */
+ adev->dm.timer_workqueue = create_singlethread_workqueue(
+ "dm_timer_queue");
+ if (adev->dm.timer_workqueue == NULL) {
+ DRM_ERROR("DM_IRQ: unable to create timer queue!\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+void amdgpu_dm_irq_register_timer(
+ struct amdgpu_device *adev,
+ struct dc_timer_interrupt_params *int_params,
+ interrupt_handler ih,
+ void *args)
+{
+ unsigned long jf_delay;
+ struct list_head *handler_list;
+ struct amdgpu_dm_timer_handler_data *handler_data;
+ unsigned long irq_table_flags;
+
+ handler_data = kzalloc(sizeof(*handler_data), GFP_KERNEL);
+ if (!handler_data) {
+ DRM_ERROR("DM_IRQ: failed to allocate timer handler!\n");
+ return;
+ }
+
+ memset(handler_data, 0, sizeof(*handler_data));
+
+ init_handler_common_data(&handler_data->hcd, ih, args, &adev->dm);
+
+ INIT_DELAYED_WORK(&handler_data->d_work, dm_timer_work_func);
+
+ /* Lock the list, add the handler. */
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+
+ handler_list = &adev->dm.timer_handler_list;
+
+ list_add_tail(&handler_data->hcd.list, handler_list);
+
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+
+ jf_delay = usecs_to_jiffies(int_params->micro_sec_interval);
+
+ queue_delayed_work(adev->dm.timer_workqueue, &handler_data->d_work,
+ jf_delay);
+
+ DRM_DEBUG_KMS("DM_IRQ: added handler:%p with micro_sec_interval=%u\n",
+ handler_data, int_params->micro_sec_interval);
+ return;
+}
+
+/* DM IRQ and timer resource release */
+void amdgpu_dm_irq_fini(
+ struct amdgpu_device *adev)
+{
+ int src;
+ struct irq_list_head *lh;
+ DRM_DEBUG_KMS("DM_IRQ: releasing resources.\n");
+
+ for (src = 0; src < DAL_IRQ_SOURCES_NUMBER; src++) {
+
+ /* The handler was removed from the table,
+ * it means it is safe to flush all the 'work'
+ * (because no code can schedule a new one). */
+ lh = &adev->dm.irq_handler_list_low_tab[src];
+ flush_work(&lh->work);
+ }
+
+ /* Cancel ALL timers and release handlers (if any). */
+ remove_timer_handler(adev, NULL);
+ /* Release the queue itself. */
+ destroy_workqueue(adev->dm.timer_workqueue);
+}
+
+int amdgpu_dm_irq_suspend(
+ struct amdgpu_device *adev)
+{
+ int src;
+ struct list_head *hnd_list_h;
+ struct list_head *hnd_list_l;
+ unsigned long irq_table_flags;
+
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+
+ DRM_DEBUG_KMS("DM_IRQ: suspend\n");
+
+ /* disable HW interrupt */
+ for (src = DC_IRQ_SOURCE_HPD1; src < DAL_IRQ_SOURCES_NUMBER; src++) {
+ hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head;
+ hnd_list_h = &adev->dm.irq_handler_list_high_tab[src];
+ if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h))
+ dc_interrupt_set(adev->dm.dc, src, false);
+
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+ flush_work(&adev->dm.irq_handler_list_low_tab[src].work);
+
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+ }
+
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+
+ return 0;
+}
+
+int amdgpu_dm_irq_resume(
+ struct amdgpu_device *adev)
+{
+ int src;
+ struct list_head *hnd_list_h, *hnd_list_l;
+ unsigned long irq_table_flags;
+
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+
+ DRM_DEBUG_KMS("DM_IRQ: resume\n");
+
+ /* re-enable HW interrupt */
+ for (src = DC_IRQ_SOURCE_HPD1; src < DAL_IRQ_SOURCES_NUMBER; src++) {
+ hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head;
+ hnd_list_h = &adev->dm.irq_handler_list_high_tab[src];
+ if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h))
+ dc_interrupt_set(adev->dm.dc, src, true);
+ }
+
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+
+ return 0;
+}
+
+
+/**
+ * amdgpu_dm_irq_schedule_work - schedule all work items registered for the
+ * "irq_source".
+ */
+static void amdgpu_dm_irq_schedule_work(
+ struct amdgpu_device *adev,
+ enum dc_irq_source irq_source)
+{
+ unsigned long irq_table_flags;
+ struct work_struct *work = NULL;
+
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+
+ if (!list_empty(&adev->dm.irq_handler_list_low_tab[irq_source].head))
+ work = &adev->dm.irq_handler_list_low_tab[irq_source].work;
+
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+
+ if (work) {
+ if (!schedule_work(work))
+ DRM_INFO("amdgpu_dm_irq_schedule_work FAILED src %d\n",
+ irq_source);
+ }
+
+}
+
+/** amdgpu_dm_irq_immediate_work
+ * Callback high irq work immediately, don't send to work queue
+ */
+static void amdgpu_dm_irq_immediate_work(
+ struct amdgpu_device *adev,
+ enum dc_irq_source irq_source)
+{
+ struct amdgpu_dm_irq_handler_data *handler_data;
+ struct list_head *entry;
+ unsigned long irq_table_flags;
+
+ DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
+
+ list_for_each(
+ entry,
+ &adev->dm.irq_handler_list_high_tab[irq_source]) {
+
+ handler_data =
+ list_entry(
+ entry,
+ struct amdgpu_dm_irq_handler_data,
+ hcd.list);
+
+ /* Call a subcomponent which registered for immediate
+ * interrupt notification */
+ handler_data->hcd.handler(handler_data->hcd.handler_arg);
+ }
+
+ DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
+}
+
+/*
+ * amdgpu_dm_irq_handler
+ *
+ * Generic IRQ handler, calls all registered high irq work immediately, and
+ * schedules work for low irq
+ */
+int amdgpu_dm_irq_handler(
+ struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+
+ enum dc_irq_source src =
+ dc_interrupt_to_irq_source(
+ adev->dm.dc,
+ entry->src_id,
+ entry->src_data);
+
+ dc_interrupt_ack(adev->dm.dc, src);
+
+ /* Call high irq work immediately */
+ amdgpu_dm_irq_immediate_work(adev, src);
+ /*Schedule low_irq work */
+ amdgpu_dm_irq_schedule_work(adev, src);
+
+ return 0;
+}
+
+static enum dc_irq_source amdgpu_dm_hpd_to_dal_irq_source(unsigned type)
+{
+ switch (type) {
+ case AMDGPU_HPD_1:
+ return DC_IRQ_SOURCE_HPD1;
+ case AMDGPU_HPD_2:
+ return DC_IRQ_SOURCE_HPD2;
+ case AMDGPU_HPD_3:
+ return DC_IRQ_SOURCE_HPD3;
+ case AMDGPU_HPD_4:
+ return DC_IRQ_SOURCE_HPD4;
+ case AMDGPU_HPD_5:
+ return DC_IRQ_SOURCE_HPD5;
+ case AMDGPU_HPD_6:
+ return DC_IRQ_SOURCE_HPD6;
+ default:
+ return DC_IRQ_SOURCE_INVALID;
+ }
+}
+
+static int amdgpu_dm_set_hpd_irq_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ unsigned type,
+ enum amdgpu_interrupt_state state)
+{
+ enum dc_irq_source src = amdgpu_dm_hpd_to_dal_irq_source(type);
+ bool st = (state == AMDGPU_IRQ_STATE_ENABLE);
+
+ dc_interrupt_set(adev->dm.dc, src, st);
+ return 0;
+}
+
+static inline int dm_irq_state(
+ struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ unsigned crtc_id,
+ enum amdgpu_interrupt_state state,
+ const enum irq_type dal_irq_type,
+ const char *func)
+{
+ bool st;
+ enum dc_irq_source irq_source;
+
+ struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc_id];
+
+ if (!acrtc->target) {
+ DRM_INFO(
+ "%s: target is null for crtc %d, talk to David R\n",
+ func,
+ crtc_id);
+ WARN_ON(true);
+ return 0;
+ }
+
+ irq_source = dc_target_get_irq_src(acrtc->target, dal_irq_type);
+
+ st = (state == AMDGPU_IRQ_STATE_ENABLE);
+
+ dc_interrupt_set(adev->dm.dc, irq_source, st);
+ return 0;
+}
+
+static int amdgpu_dm_set_pflip_irq_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ unsigned crtc_id,
+ enum amdgpu_interrupt_state state)
+{
+ return dm_irq_state(
+ adev,
+ source,
+ crtc_id,
+ state,
+ IRQ_TYPE_PFLIP,
+ __func__);
+}
+
+static int amdgpu_dm_set_crtc_irq_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ unsigned crtc_id,
+ enum amdgpu_interrupt_state state)
+{
+ return dm_irq_state(
+ adev,
+ source,
+ crtc_id,
+ state,
+ IRQ_TYPE_VUPDATE,
+ __func__);
+}
+
+static const struct amdgpu_irq_src_funcs dm_crtc_irq_funcs = {
+ .set = amdgpu_dm_set_crtc_irq_state,
+ .process = amdgpu_dm_irq_handler,
+};
+
+static const struct amdgpu_irq_src_funcs dm_pageflip_irq_funcs = {
+ .set = amdgpu_dm_set_pflip_irq_state,
+ .process = amdgpu_dm_irq_handler,
+};
+
+static const struct amdgpu_irq_src_funcs dm_hpd_irq_funcs = {
+ .set = amdgpu_dm_set_hpd_irq_state,
+ .process = amdgpu_dm_irq_handler,
+};
+
+void amdgpu_dm_set_irq_funcs(struct amdgpu_device *adev)
+{
+ adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
+ adev->crtc_irq.funcs = &dm_crtc_irq_funcs;
+
+ adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
+ adev->pageflip_irq.funcs = &dm_pageflip_irq_funcs;
+
+ adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
+ adev->hpd_irq.funcs = &dm_hpd_irq_funcs;
+}
+
+/*
+ * amdgpu_dm_hpd_init - hpd setup callback.
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Setup the hpd pins used by the card (evergreen+).
+ * Enable the pin, set the polarity, and enable the hpd interrupts.
+ */
+void amdgpu_dm_hpd_init(struct amdgpu_device *adev)
+{
+ struct drm_device *dev = adev->ddev;
+ struct drm_connector *connector;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ struct amdgpu_connector *amdgpu_connector =
+ to_amdgpu_connector(connector);
+
+ const struct dc_link *dc_link = amdgpu_connector->dc_link;
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+ connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
+ /* don't try to enable hpd on eDP or LVDS avoid breaking
+ * the aux dp channel on imac and help (but not
+ * completely fix)
+ * https://bugzilla.redhat.com/show_bug.cgi?id=726143
+ * also avoid interrupt storms during dpms.
+ */
+ continue;
+ }
+
+ dc_interrupt_set(adev->dm.dc, dc_link->irq_source_hpd, true);
+
+ if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) {
+ dc_interrupt_set(adev->dm.dc,
+ dc_link->irq_source_hpd_rx,
+ true);
+ }
+ }
+}
+
+/**
+ * amdgpu_dm_hpd_fini - hpd tear down callback.
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Tear down the hpd pins used by the card (evergreen+).
+ * Disable the hpd interrupts.
+ */
+void amdgpu_dm_hpd_fini(struct amdgpu_device *adev)
+{
+ struct drm_device *dev = adev->ddev;
+ struct drm_connector *connector;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ struct amdgpu_connector *amdgpu_connector =
+ to_amdgpu_connector(connector);
+ const struct dc_link *dc_link = amdgpu_connector->dc_link;
+
+ dc_interrupt_set(adev->dm.dc, dc_link->irq_source_hpd, false);
+
+ if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) {
+ dc_interrupt_set(adev->dm.dc,
+ dc_link->irq_source_hpd_rx,
+ false);
+ }
+ }
+}
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.h b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.h
new file mode 100644
index 000000000000..afedb50897bd
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __AMDGPU_DM_IRQ_H__
+#define __AMDGPU_DM_IRQ_H__
+
+#include "irq_types.h" /* DAL irq definitions */
+
+/*
+ * Display Manager IRQ-related interfaces (for use by DAL).
+ */
+
+/**
+ * amdgpu_dm_irq_init - Initialize internal structures of 'amdgpu_dm_irq'.
+ *
+ * This function should be called exactly once - during DM initialization.
+ *
+ * Returns:
+ * 0 - success
+ * non-zero - error
+ */
+int amdgpu_dm_irq_init(
+ struct amdgpu_device *adev);
+
+/**
+ * amdgpu_dm_irq_fini - deallocate internal structures of 'amdgpu_dm_irq'.
+ *
+ * This function should be called exactly once - during DM destruction.
+ *
+ */
+void amdgpu_dm_irq_fini(
+ struct amdgpu_device *adev);
+
+/**
+ * amdgpu_dm_irq_register_interrupt - register irq handler for Display block.
+ *
+ * @adev: AMD DRM device
+ * @int_params: parameters for the irq
+ * @ih: pointer to the irq hander function
+ * @handler_args: arguments which will be passed to ih
+ *
+ * Returns:
+ * IRQ Handler Index on success.
+ * NULL on failure.
+ *
+ * Cannot be called from an interrupt handler.
+ */
+void *amdgpu_dm_irq_register_interrupt(
+ struct amdgpu_device *adev,
+ struct dc_interrupt_params *int_params,
+ void (*ih)(void *),
+ void *handler_args);
+
+/**
+ * amdgpu_dm_irq_unregister_interrupt - unregister handler which was registered
+ * by amdgpu_dm_irq_register_interrupt().
+ *
+ * @adev: AMD DRM device.
+ * @ih_index: irq handler index which was returned by
+ * amdgpu_dm_irq_register_interrupt
+ */
+void amdgpu_dm_irq_unregister_interrupt(
+ struct amdgpu_device *adev,
+ enum dc_irq_source irq_source,
+ void *ih_index);
+
+void amdgpu_dm_irq_register_timer(
+ struct amdgpu_device *adev,
+ struct dc_timer_interrupt_params *int_params,
+ interrupt_handler ih,
+ void *args);
+
+/**
+ * amdgpu_dm_irq_handler
+ * Generic IRQ handler, calls all registered high irq work immediately, and
+ * schedules work for low irq
+ */
+int amdgpu_dm_irq_handler(
+ struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry);
+
+void amdgpu_dm_set_irq_funcs(struct amdgpu_device *adev);
+
+void amdgpu_dm_hpd_init(struct amdgpu_device *adev);
+void amdgpu_dm_hpd_fini(struct amdgpu_device *adev);
+
+/**
+ * amdgpu_dm_irq_suspend - disable ASIC interrupt during suspend.
+ *
+ */
+int amdgpu_dm_irq_suspend(
+ struct amdgpu_device *adev);
+
+/**
+ * amdgpu_dm_irq_resume - enable ASIC interrupt during resume.
+ *
+ */
+int amdgpu_dm_irq_resume(
+ struct amdgpu_device *adev);
+
+#endif /* __AMDGPU_DM_IRQ_H__ */
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c
new file mode 100644
index 000000000000..22ba13080cf1
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -0,0 +1,480 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include <linux/version.h>
+#include <drm/drm_atomic_helper.h>
+#include "dm_services.h"
+#include "amdgpu.h"
+#include "amdgpu_dm_types.h"
+#include "amdgpu_dm_mst_types.h"
+
+#include "dc.h"
+#include "dm_helpers.h"
+
+
+/* #define TRACE_DPCD */
+
+#ifdef TRACE_DPCD
+#define SIDE_BAND_MSG(address) (address >= DP_SIDEBAND_MSG_DOWN_REQ_BASE && address < DP_SINK_COUNT_ESI)
+
+static inline char *side_band_msg_type_to_str(uint32_t address)
+{
+ static char str[10] = {0};
+
+ if (address < DP_SIDEBAND_MSG_UP_REP_BASE)
+ strcpy(str, "DOWN_REQ");
+ else if (address < DP_SIDEBAND_MSG_DOWN_REP_BASE)
+ strcpy(str, "UP_REP");
+ else if (address < DP_SIDEBAND_MSG_UP_REQ_BASE)
+ strcpy(str, "DOWN_REP");
+ else
+ strcpy(str, "UP_REQ");
+
+ return str;
+}
+
+void log_dpcd(uint8_t type,
+ uint32_t address,
+ uint8_t *data,
+ uint32_t size,
+ bool res)
+{
+ DRM_DEBUG_KMS("Op: %s, addr: %04x, SideBand Msg: %s, Op res: %s\n",
+ (type == DP_AUX_NATIVE_READ) ||
+ (type == DP_AUX_I2C_READ) ?
+ "Read" : "Write",
+ address,
+ SIDE_BAND_MSG(address) ?
+ side_band_msg_type_to_str(address) : "Nop",
+ res ? "OK" : "Fail");
+
+ if (res) {
+ print_hex_dump(KERN_INFO, "Body: ", DUMP_PREFIX_NONE, 16, 1, data, size, false);
+ }
+}
+#endif
+
+static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
+{
+ struct pci_dev *pdev = to_pci_dev(aux->dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+ struct amdgpu_device *adev = drm_dev->dev_private;
+ struct dc *dc = adev->dm.dc;
+ bool res;
+
+ switch (msg->request) {
+ case DP_AUX_NATIVE_READ:
+ res = dc_read_dpcd(
+ dc,
+ TO_DM_AUX(aux)->link_index,
+ msg->address,
+ msg->buffer,
+ msg->size);
+ break;
+ case DP_AUX_NATIVE_WRITE:
+ res = dc_write_dpcd(
+ dc,
+ TO_DM_AUX(aux)->link_index,
+ msg->address,
+ msg->buffer,
+ msg->size);
+ break;
+ default:
+ return 0;
+ }
+
+#ifdef TRACE_DPCD
+ log_dpcd(msg->request,
+ msg->address,
+ msg->buffer,
+ msg->size,
+ res);
+#endif
+
+ return msg->size;
+}
+
+static enum drm_connector_status
+dm_dp_mst_detect(struct drm_connector *connector, bool force)
+{
+ struct amdgpu_connector *aconnector = to_amdgpu_connector(connector);
+ struct amdgpu_connector *master = aconnector->mst_port;
+
+ enum drm_connector_status status =
+ drm_dp_mst_detect_port(
+ connector,
+ &master->mst_mgr,
+ aconnector->port);
+
+ if (status == connector_status_disconnected && aconnector->edid) {
+ kfree(aconnector->edid);
+ aconnector->edid = NULL;
+ }
+
+ /*
+ * we do not want to make this connector connected until we have edid on
+ * it
+ */
+ if (status == connector_status_connected &&
+ !aconnector->port->cached_edid)
+ status = connector_status_disconnected;
+
+ return status;
+}
+
+static void
+dm_dp_mst_connector_destroy(struct drm_connector *connector)
+{
+ struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
+ struct amdgpu_encoder *amdgpu_encoder = amdgpu_connector->mst_encoder;
+
+ drm_encoder_cleanup(&amdgpu_encoder->base);
+ kfree(amdgpu_encoder);
+ drm_connector_cleanup(connector);
+ kfree(amdgpu_connector);
+}
+
+static const struct drm_connector_funcs dm_dp_mst_connector_funcs = {
+ .dpms = drm_atomic_helper_connector_dpms,
+ .detect = dm_dp_mst_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = dm_dp_mst_connector_destroy,
+ .reset = amdgpu_dm_connector_funcs_reset,
+ .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state,
+ .atomic_destroy_state = amdgpu_dm_connector_atomic_destroy_state,
+ .atomic_set_property = amdgpu_dm_connector_atomic_set_property
+};
+
+static struct dc_sink *dm_dp_mst_add_mst_sink(
+ const struct dc_link *dc_link,
+ uint8_t *edid,
+ uint16_t len)
+{
+ struct dc_sink *dc_sink;
+ struct dc_sink_init_data init_params = {
+ .link = dc_link,
+ .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST};
+ enum dc_edid_status edid_status;
+
+ if (len > MAX_EDID_BUFFER_SIZE) {
+ DRM_ERROR("Max EDID buffer size breached!\n");
+ return NULL;
+ }
+
+ if (!dc_link) {
+ BREAK_TO_DEBUGGER();
+ return NULL;
+ }
+
+ /*
+ * TODO make dynamic-ish?
+ * dc_link->connector_signal;
+ */
+
+ dc_sink = dc_sink_create(&init_params);
+
+ if (!dc_sink)
+ return NULL;
+
+ dm_memmove(dc_sink->dc_edid.raw_edid, edid, len);
+ dc_sink->dc_edid.length = len;
+
+ if (!dc_link_add_remote_sink(
+ dc_link,
+ dc_sink))
+ goto fail_add_sink;
+
+ edid_status = dm_helpers_parse_edid_caps(
+ NULL,
+ &dc_sink->dc_edid,
+ &dc_sink->edid_caps);
+ if (edid_status != EDID_OK)
+ goto fail;
+
+ /* dc_sink_retain(&core_sink->public); */
+
+ return dc_sink;
+fail:
+ dc_link_remove_remote_sink(dc_link, dc_sink);
+fail_add_sink:
+ return NULL;
+}
+
+static int dm_dp_mst_get_modes(struct drm_connector *connector)
+{
+ struct amdgpu_connector *aconnector = to_amdgpu_connector(connector);
+ struct amdgpu_connector *master = aconnector->mst_port;
+ struct edid *edid;
+ const struct dc_sink *sink;
+ int ret = 0;
+
+ if (!aconnector->edid) {
+ edid = drm_dp_mst_get_edid(connector, &master->mst_mgr, aconnector->port);
+
+ if (!edid) {
+ drm_mode_connector_update_edid_property(
+ &aconnector->base,
+ NULL);
+
+ return ret;
+ }
+
+ aconnector->edid = edid;
+
+ if (aconnector->dc_sink)
+ dc_link_remove_remote_sink(
+ aconnector->dc_link,
+ aconnector->dc_sink);
+
+ sink = dm_dp_mst_add_mst_sink(
+ aconnector->dc_link,
+ (uint8_t *)edid,
+ (edid->extensions + 1) * EDID_LENGTH);
+ aconnector->dc_sink = sink;
+ } else
+ edid = aconnector->edid;
+
+ DRM_DEBUG_KMS("edid retrieved %p\n", edid);
+
+ drm_mode_connector_update_edid_property(
+ &aconnector->base,
+ aconnector->edid);
+
+ ret = drm_add_edid_modes(&aconnector->base, aconnector->edid);
+
+ drm_edid_to_eld(&aconnector->base, aconnector->edid);
+
+ return ret;
+}
+
+static struct drm_encoder *dm_mst_best_encoder(struct drm_connector *connector)
+{
+ struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
+
+ return &amdgpu_connector->mst_encoder->base;
+}
+
+static const struct drm_connector_helper_funcs dm_dp_mst_connector_helper_funcs = {
+ .get_modes = dm_dp_mst_get_modes,
+ .mode_valid = amdgpu_dm_connector_mode_valid,
+ .best_encoder = dm_mst_best_encoder,
+};
+
+static struct amdgpu_encoder *
+dm_dp_create_fake_mst_encoder(struct amdgpu_connector *connector)
+{
+ struct drm_device *dev = connector->base.dev;
+ struct amdgpu_device *adev = dev->dev_private;
+ struct amdgpu_encoder *amdgpu_encoder;
+ struct drm_encoder *encoder;
+ const struct drm_connector_helper_funcs *connector_funcs =
+ connector->base.helper_private;
+ struct drm_encoder *enc_master =
+ connector_funcs->best_encoder(&connector->base);
+
+ DRM_DEBUG_KMS("enc master is %p\n", enc_master);
+ amdgpu_encoder = kzalloc(sizeof(*amdgpu_encoder), GFP_KERNEL);
+ if (!amdgpu_encoder)
+ return NULL;
+
+ encoder = &amdgpu_encoder->base;
+ encoder->possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev);
+
+ drm_encoder_init(
+ dev,
+ &amdgpu_encoder->base,
+ NULL,
+ DRM_MODE_ENCODER_DPMST,
+ NULL);
+
+ drm_encoder_helper_add(encoder, &amdgpu_dm_encoder_helper_funcs);
+
+ return amdgpu_encoder;
+}
+
+static struct drm_connector *dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port,
+ const char *pathprop)
+{
+ struct amdgpu_connector *master = container_of(mgr, struct amdgpu_connector, mst_mgr);
+ struct drm_device *dev = master->base.dev;
+ struct amdgpu_device *adev = dev->dev_private;
+ struct amdgpu_connector *aconnector;
+ struct drm_connector *connector;
+
+ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ aconnector = to_amdgpu_connector(connector);
+ if (aconnector->mst_port == master
+ && !aconnector->port) {
+ DRM_INFO("DM_MST: reusing connector: %p [id: %d] [master: %p]\n",
+ aconnector, connector->base.id, aconnector->mst_port);
+
+ aconnector->port = port;
+ drm_mode_connector_set_path_property(connector, pathprop);
+
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
+ return &aconnector->base;
+ }
+ }
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
+
+
+ aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
+ if (!aconnector)
+ return NULL;
+
+ connector = &aconnector->base;
+ aconnector->port = port;
+ aconnector->mst_port = master;
+
+ if (drm_connector_init(
+ dev,
+ connector,
+ &dm_dp_mst_connector_funcs,
+ DRM_MODE_CONNECTOR_DisplayPort)) {
+ kfree(aconnector);
+ return NULL;
+ }
+ drm_connector_helper_add(connector, &dm_dp_mst_connector_helper_funcs);
+
+ amdgpu_dm_connector_init_helper(
+ &adev->dm,
+ aconnector,
+ DRM_MODE_CONNECTOR_DisplayPort,
+ master->dc_link,
+ master->connector_id);
+
+ aconnector->mst_encoder = dm_dp_create_fake_mst_encoder(master);
+
+ /*
+ * TODO: understand why this one is needed
+ */
+ drm_object_attach_property(
+ &connector->base,
+ dev->mode_config.path_property,
+ 0);
+ drm_object_attach_property(
+ &connector->base,
+ dev->mode_config.tile_property,
+ 0);
+
+ drm_mode_connector_set_path_property(connector, pathprop);
+
+ /*
+ * Initialize connector state before adding the connectror to drm and
+ * framebuffer lists
+ */
+ amdgpu_dm_connector_funcs_reset(connector);
+
+ DRM_INFO("DM_MST: added connector: %p [id: %d] [master: %p]\n",
+ aconnector, connector->base.id, aconnector->mst_port);
+
+ DRM_DEBUG_KMS(":%d\n", connector->base.id);
+
+ return connector;
+}
+
+static void dm_dp_destroy_mst_connector(
+ struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_connector *connector)
+{
+ struct amdgpu_connector *aconnector = to_amdgpu_connector(connector);
+
+ DRM_INFO("DM_MST: Disabling connector: %p [id: %d] [master: %p]\n",
+ aconnector, connector->base.id, aconnector->mst_port);
+
+ aconnector->port = NULL;
+ if (aconnector->dc_sink) {
+ dc_link_remove_remote_sink(aconnector->dc_link, aconnector->dc_sink);
+ aconnector->dc_sink = NULL;
+ }
+}
+
+static void dm_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr)
+{
+ struct amdgpu_connector *master = container_of(mgr, struct amdgpu_connector, mst_mgr);
+ struct drm_device *dev = master->base.dev;
+ struct amdgpu_device *adev = dev->dev_private;
+
+ schedule_work(&adev->dm.mst_hotplug_work);
+}
+
+static void dm_dp_mst_register_connector(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct amdgpu_device *adev = dev->dev_private;
+ int i;
+
+ drm_modeset_lock_all(dev);
+ if (adev->mode_info.rfbdev) {
+ /*Do not add if already registered in past*/
+ for (i = 0; i < adev->mode_info.rfbdev->helper.connector_count; i++) {
+ if (adev->mode_info.rfbdev->helper.connector_info[i]->connector
+ == connector) {
+ drm_modeset_unlock_all(dev);
+ return;
+ }
+ }
+
+ drm_fb_helper_add_one_connector(&adev->mode_info.rfbdev->helper, connector);
+ }
+ else
+ DRM_ERROR("adev->mode_info.rfbdev is NULL\n");
+
+ drm_modeset_unlock_all(dev);
+
+ drm_connector_register(connector);
+
+}
+
+struct drm_dp_mst_topology_cbs dm_mst_cbs = {
+ .add_connector = dm_dp_add_mst_connector,
+ .destroy_connector = dm_dp_destroy_mst_connector,
+ .hotplug = dm_dp_mst_hotplug,
+ .register_connector = dm_dp_mst_register_connector
+};
+
+
+void amdgpu_dm_initialize_mst_connector(
+ struct amdgpu_display_manager *dm,
+ struct amdgpu_connector *aconnector)
+{
+ aconnector->dm_dp_aux.aux.name = "dmdc";
+ aconnector->dm_dp_aux.aux.dev = dm->adev->dev;
+ aconnector->dm_dp_aux.aux.transfer = dm_dp_aux_transfer;
+ aconnector->dm_dp_aux.link_index = aconnector->connector_id;
+
+ drm_dp_aux_register(&aconnector->dm_dp_aux.aux);
+ aconnector->mst_mgr.cbs = &dm_mst_cbs;
+ drm_dp_mst_topology_mgr_init(
+ &aconnector->mst_mgr,
+ dm->adev->dev,
+ &aconnector->dm_dp_aux.aux,
+ 16,
+ 4,
+ aconnector->connector_id);
+}
+
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.h b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.h
new file mode 100644
index 000000000000..6130d62ac65c
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DAL_AMDGPU_DM_MST_TYPES_H__
+#define __DAL_AMDGPU_DM_MST_TYPES_H__
+
+struct amdgpu_display_manager;
+struct amdgpu_connector;
+
+void amdgpu_dm_initialize_mst_connector(
+ struct amdgpu_display_manager *dm,
+ struct amdgpu_connector *aconnector);
+
+#endif
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_services.c
new file mode 100644
index 000000000000..b1552700d9e0
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_services.c
@@ -0,0 +1,457 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include <linux/string.h>
+#include <linux/acpi.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/amdgpu_drm.h>
+#include "dm_services.h"
+#include "amdgpu.h"
+#include "amdgpu_dm.h"
+#include "amdgpu_dm_irq.h"
+#include "amdgpu_dm_types.h"
+#include "amdgpu_pm.h"
+
+/*
+#include "logger_interface.h"
+#include "acpimethod_atif.h"
+#include "amdgpu_powerplay.h"
+#include "amdgpu_notifications.h"
+*/
+
+/* if the pointer is not NULL, the allocated memory is zeroed */
+void *dm_alloc(struct dc_context *ctx, uint32_t size)
+{
+ return kzalloc(size, GFP_KERNEL);
+}
+
+/* Reallocate memory. The contents will remain unchanged.*/
+void *dm_realloc(struct dc_context *ctx, const void *ptr, uint32_t size)
+{
+ return krealloc(ptr, size, GFP_KERNEL);
+}
+
+void dm_memmove(void *dst, const void *src, uint32_t size)
+{
+ memmove(dst, src, size);
+}
+
+void dm_free(struct dc_context *ctx, void *p)
+{
+ kfree(p);
+}
+
+void dm_memset(void *p, int32_t c, uint32_t count)
+{
+ memset(p, c, count);
+}
+
+int32_t dm_memcmp(const void *p1, const void *p2, uint32_t count)
+{
+ return memcmp(p1, p2, count);
+}
+
+int32_t dm_strncmp(const int8_t *p1, const int8_t *p2, uint32_t count)
+{
+ return strncmp(p1, p2, count);
+}
+
+void dm_sleep_in_milliseconds(struct dc_context *ctx, uint32_t milliseconds)
+{
+ if (milliseconds >= 20)
+ msleep(milliseconds);
+ else
+ usleep_range(milliseconds*1000, milliseconds*1000+1);
+}
+
+void dal_delay_in_nanoseconds(uint32_t nanoseconds)
+{
+ ndelay(nanoseconds);
+}
+
+void dm_delay_in_microseconds(struct dc_context *ctx, uint32_t microseconds)
+{
+ udelay(microseconds);
+}
+
+/******************************************************************************
+ * IRQ Interfaces.
+ *****************************************************************************/
+
+void dal_register_timer_interrupt(
+ struct dc_context *ctx,
+ struct dc_timer_interrupt_params *int_params,
+ interrupt_handler ih,
+ void *args)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+
+ if (!adev || !int_params) {
+ DRM_ERROR("DM_IRQ: invalid input!\n");
+ return;
+ }
+
+ if (int_params->int_context != INTERRUPT_LOW_IRQ_CONTEXT) {
+ /* only low irq ctx is supported. */
+ DRM_ERROR("DM_IRQ: invalid context: %d!\n",
+ int_params->int_context);
+ return;
+ }
+
+ amdgpu_dm_irq_register_timer(adev, int_params, ih, args);
+}
+
+void dal_isr_acquire_lock(struct dc_context *ctx)
+{
+ /*TODO*/
+}
+
+void dal_isr_release_lock(struct dc_context *ctx)
+{
+ /*TODO*/
+}
+
+/******************************************************************************
+ * End-of-IRQ Interfaces.
+ *****************************************************************************/
+
+bool dm_get_platform_info(struct dc_context *ctx,
+ struct platform_info_params *params)
+{
+ /*TODO*/
+ return false;
+}
+
+/**** power component interfaces ****/
+
+bool dm_pp_pre_dce_clock_change(
+ struct dc_context *ctx,
+ struct dal_to_power_info *input,
+ struct power_to_dal_info *output)
+{
+ /*TODO*/
+ return false;
+}
+
+bool dm_pp_apply_safe_state(
+ const struct dc_context *ctx)
+{
+#ifdef CONFIG_DRM_AMD_POWERPLAY
+ struct amdgpu_device *adev = ctx->driver_context;
+
+ if (adev->pm.dpm_enabled) {
+ /* TODO: Does this require PreModeChange event to PPLIB? */
+ }
+
+ return true;
+#else
+ return false;
+#endif
+}
+
+bool dm_pp_apply_display_requirements(
+ const struct dc_context *ctx,
+ const struct dc_pp_display_configuration *pp_display_cfg)
+{
+#ifdef CONFIG_DRM_AMD_POWERPLAY
+ struct amdgpu_device *adev = ctx->driver_context;
+
+ if (adev->pm.dpm_enabled) {
+
+ memset(&adev->pm.pm_display_cfg, 0,
+ sizeof(adev->pm.pm_display_cfg));
+
+ adev->pm.pm_display_cfg.cpu_cc6_disable =
+ pp_display_cfg->cpu_cc6_disable;
+
+ adev->pm.pm_display_cfg.cpu_pstate_disable =
+ pp_display_cfg->cpu_pstate_disable;
+
+ adev->pm.pm_display_cfg.cpu_pstate_separation_time =
+ pp_display_cfg->cpu_pstate_separation_time;
+
+ adev->pm.pm_display_cfg.nb_pstate_switch_disable =
+ pp_display_cfg->nb_pstate_switch_disable;
+
+ adev->pm.pm_display_cfg.num_display =
+ pp_display_cfg->display_count;
+ adev->pm.pm_display_cfg.num_path_including_non_display =
+ pp_display_cfg->display_count;
+
+ adev->pm.pm_display_cfg.min_core_set_clock =
+ pp_display_cfg->min_engine_clock_khz/10;
+ adev->pm.pm_display_cfg.min_core_set_clock_in_sr =
+ pp_display_cfg->min_engine_clock_deep_sleep_khz/10;
+ adev->pm.pm_display_cfg.min_mem_set_clock =
+ pp_display_cfg->min_memory_clock_khz/10;
+
+ adev->pm.pm_display_cfg.multi_monitor_in_sync =
+ pp_display_cfg->all_displays_in_sync;
+ adev->pm.pm_display_cfg.min_vblank_time =
+ pp_display_cfg->avail_mclk_switch_time_us;
+
+ adev->pm.pm_display_cfg.display_clk =
+ pp_display_cfg->disp_clk_khz/10;
+
+ adev->pm.pm_display_cfg.dce_tolerable_mclk_in_active_latency =
+ pp_display_cfg->avail_mclk_switch_time_in_disp_active_us;
+
+ adev->pm.pm_display_cfg.crtc_index = pp_display_cfg->crtc_index;
+ adev->pm.pm_display_cfg.line_time_in_us =
+ pp_display_cfg->line_time_in_us;
+
+ adev->pm.pm_display_cfg.crossfire_display_index = -1;
+ adev->pm.pm_display_cfg.min_bus_bandwidth = 0;
+
+ /* TODO: complete implementation of
+ * amd_powerplay_display_configuration_change().
+ * Follow example of:
+ * PHM_StoreDALConfigurationData - powerplay\hwmgr\hardwaremanager.c
+ * PP_IRI_DisplayConfigurationChange - powerplay\eventmgr\iri.c */
+ amd_powerplay_display_configuration_change(
+ adev->powerplay.pp_handle,
+ &adev->pm.pm_display_cfg);
+
+ /* TODO: replace by a separate call to 'apply display cfg'? */
+ amdgpu_pm_compute_clocks(adev);
+ }
+
+ return true;
+#else
+ return false;
+#endif
+}
+
+bool dc_service_get_system_clocks_range(
+ const struct dc_context *ctx,
+ struct dal_system_clock_range *sys_clks)
+{
+#ifdef CONFIG_DRM_AMD_POWERPLAY
+ struct amdgpu_device *adev = ctx->driver_context;
+#endif
+
+ /* Default values, in case PPLib is not compiled-in. */
+ sys_clks->max_mclk = 80000;
+ sys_clks->min_mclk = 80000;
+
+ sys_clks->max_sclk = 60000;
+ sys_clks->min_sclk = 30000;
+
+#ifdef CONFIG_DRM_AMD_POWERPLAY
+ if (adev->pm.dpm_enabled) {
+ sys_clks->max_mclk = amdgpu_dpm_get_mclk(adev, false);
+ sys_clks->min_mclk = amdgpu_dpm_get_mclk(adev, true);
+
+ sys_clks->max_sclk = amdgpu_dpm_get_sclk(adev, false);
+ sys_clks->min_sclk = amdgpu_dpm_get_sclk(adev, true);
+ }
+#endif
+
+ return true;
+}
+
+static void get_default_clock_levels(
+ enum dc_pp_clock_type clk_type,
+ struct dc_pp_clock_levels *clks)
+{
+ uint32_t disp_clks_in_khz[6] = {
+ 300000, 400000, 496560, 626090, 685720, 757900 };
+ uint32_t sclks_in_khz[6] = {
+ 300000, 360000, 423530, 514290, 626090, 720000 };
+ uint32_t mclks_in_khz[2] = { 333000, 800000 };
+
+ switch (clk_type) {
+ case DC_PP_CLOCK_TYPE_DISPLAY_CLK:
+ clks->num_levels = 6;
+ dm_memmove(clks->clocks_in_khz, disp_clks_in_khz,
+ sizeof(disp_clks_in_khz));
+ break;
+ case DC_PP_CLOCK_TYPE_ENGINE_CLK:
+ clks->num_levels = 6;
+ dm_memmove(clks->clocks_in_khz, sclks_in_khz,
+ sizeof(sclks_in_khz));
+ break;
+ case DC_PP_CLOCK_TYPE_MEMORY_CLK:
+ clks->num_levels = 2;
+ dm_memmove(clks->clocks_in_khz, mclks_in_khz,
+ sizeof(mclks_in_khz));
+ break;
+ default:
+ clks->num_levels = 0;
+ break;
+ }
+}
+
+#ifdef CONFIG_DRM_AMD_POWERPLAY
+static enum amd_pp_clock_type dc_to_pp_clock_type(
+ enum dc_pp_clock_type dc_pp_clk_type)
+{
+ enum amd_pp_clock_type amd_pp_clk_type = 0;
+
+ switch (dc_pp_clk_type) {
+ case DC_PP_CLOCK_TYPE_DISPLAY_CLK:
+ amd_pp_clk_type = amd_pp_disp_clock;
+ break;
+ case DC_PP_CLOCK_TYPE_ENGINE_CLK:
+ amd_pp_clk_type = amd_pp_sys_clock;
+ break;
+ case DC_PP_CLOCK_TYPE_MEMORY_CLK:
+ amd_pp_clk_type = amd_pp_mem_clock;
+ break;
+ default:
+ DRM_ERROR("DM_PPLIB: invalid clock type: %d!\n",
+ dc_pp_clk_type);
+ break;
+ }
+
+ return amd_pp_clk_type;
+}
+
+static void pp_to_dc_clock_levels(
+ const struct amd_pp_clocks *pp_clks,
+ struct dc_pp_clock_levels *dc_clks,
+ enum dc_pp_clock_type dc_clk_type)
+{
+ uint32_t i;
+
+ if (pp_clks->count > DC_PP_MAX_CLOCK_LEVELS) {
+ DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n",
+ DC_DECODE_PP_CLOCK_TYPE(dc_clk_type),
+ pp_clks->count,
+ DC_PP_MAX_CLOCK_LEVELS);
+
+ dc_clks->num_levels = DC_PP_MAX_CLOCK_LEVELS;
+ } else
+ dc_clks->num_levels = pp_clks->count;
+
+ DRM_INFO("DM_PPLIB: values for %s clock\n",
+ DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
+
+ for (i = 0; i < dc_clks->num_levels; i++) {
+ DRM_INFO("DM_PPLIB:\t %d\n", pp_clks->clock[i]);
+ /* translate 10kHz to kHz */
+ dc_clks->clocks_in_khz[i] = pp_clks->clock[i] * 10;
+ }
+}
+#endif
+
+bool dm_pp_get_clock_levels_by_type(
+ const struct dc_context *ctx,
+ enum dc_pp_clock_type clk_type,
+ struct dc_pp_clock_levels *dc_clks)
+{
+#ifdef CONFIG_DRM_AMD_POWERPLAY
+ struct amdgpu_device *adev = ctx->driver_context;
+ void *pp_handle = adev->powerplay.pp_handle;
+ struct amd_pp_clocks pp_clks = { 0 };
+ struct amd_pp_simple_clock_info validation_clks = { 0 };
+ uint32_t i;
+
+ if (amd_powerplay_get_clock_by_type(pp_handle,
+ dc_to_pp_clock_type(clk_type), &pp_clks)) {
+ /* Error in pplib. Provide default values. */
+ get_default_clock_levels(clk_type, dc_clks);
+ return true;
+ }
+
+ pp_to_dc_clock_levels(&pp_clks, dc_clks, clk_type);
+
+ if (amd_powerplay_get_display_mode_validation_clocks(pp_handle,
+ &validation_clks)) {
+ /* Error in pplib. Provide default values. */
+ DRM_INFO("DM_PPLIB: Warning: using default validation clocks!\n");
+ validation_clks.engine_max_clock = 72000;
+ validation_clks.memory_max_clock = 80000;
+ validation_clks.level = 0;
+ }
+
+ DRM_INFO("DM_PPLIB: Validation clocks:\n");
+ DRM_INFO("DM_PPLIB: engine_max_clock: %d\n",
+ validation_clks.engine_max_clock);
+ DRM_INFO("DM_PPLIB: memory_max_clock: %d\n",
+ validation_clks.memory_max_clock);
+ DRM_INFO("DM_PPLIB: level : %d\n",
+ validation_clks.level);
+
+ /* Translate 10 kHz to kHz. */
+ validation_clks.engine_max_clock *= 10;
+ validation_clks.memory_max_clock *= 10;
+
+ /* Determine the highest non-boosted level from the Validation Clocks */
+ if (clk_type == DC_PP_CLOCK_TYPE_ENGINE_CLK) {
+ for (i = 0; i < dc_clks->num_levels; i++) {
+ if (dc_clks->clocks_in_khz[i] > validation_clks.engine_max_clock) {
+ /* This clock is higher the validation clock.
+ * Than means the previous one is the highest
+ * non-boosted one. */
+ DRM_INFO("DM_PPLIB: reducing engine clock level from %d to %d\n",
+ dc_clks->num_levels, i + 1);
+ dc_clks->num_levels = i;
+ break;
+ }
+ }
+ } else if (clk_type == DC_PP_CLOCK_TYPE_MEMORY_CLK) {
+ for (i = 0; i < dc_clks->num_levels; i++) {
+ if (dc_clks->clocks_in_khz[i] > validation_clks.memory_max_clock) {
+ DRM_INFO("DM_PPLIB: reducing memory clock level from %d to %d\n",
+ dc_clks->num_levels, i + 1);
+ dc_clks->num_levels = i;
+ break;
+ }
+ }
+ }
+#else
+ get_default_clock_levels(clk_type, dc_clks);
+#endif
+ return true;
+}
+
+/**** end of power component interfaces ****/
+
+
+/* Calls to notification */
+
+void dal_notify_setmode_complete(struct dc_context *ctx,
+ uint32_t h_total,
+ uint32_t v_total,
+ uint32_t h_active,
+ uint32_t v_active,
+ uint32_t pix_clk_in_khz)
+{
+ /*TODO*/
+}
+/* End of calls to notification */
+
+long dm_get_pid(void)
+{
+ return current->pid;
+}
+
+long dm_get_tgid(void)
+{
+ return current->tgid;
+}
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c
new file mode 100644
index 000000000000..f3164104f15b
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c
@@ -0,0 +1,2649 @@
+/*
+ * Copyright 2012-13 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/version.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_atomic.h>
+
+#include "amdgpu.h"
+#include "amdgpu_pm.h"
+#include "dm_services_types.h"
+
+// We need to #undef FRAME_SIZE and DEPRECATED because they conflict
+// with ptrace-abi.h's #define's of them.
+#undef FRAME_SIZE
+#undef DEPRECATED
+
+#include "dc.h"
+
+#include "amdgpu_dm_types.h"
+#include "amdgpu_dm_mst_types.h"
+
+struct dm_connector_state {
+ struct drm_connector_state base;
+
+ enum amdgpu_rmx_type scaling;
+ uint8_t underscan_vborder;
+ uint8_t underscan_hborder;
+ bool underscan_enable;
+};
+
+#define to_dm_connector_state(x)\
+ container_of((x), struct dm_connector_state, base)
+
+#define AMDGPU_CRTC_MODE_PRIVATE_FLAGS_GAMMASET 1
+#define MAX_TARGET_NUM 6
+
+void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+ kfree(encoder);
+}
+
+static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = {
+ .destroy = amdgpu_dm_encoder_destroy,
+};
+
+static void dm_set_cursor(
+ struct amdgpu_crtc *amdgpu_crtc,
+ uint64_t gpu_addr,
+ uint32_t width,
+ uint32_t height)
+{
+ struct dc_cursor_attributes attributes;
+ amdgpu_crtc->cursor_width = width;
+ amdgpu_crtc->cursor_height = height;
+
+ attributes.address.high_part = upper_32_bits(gpu_addr);
+ attributes.address.low_part = lower_32_bits(gpu_addr);
+ attributes.width = width-1;
+ attributes.height = height-1;
+ attributes.x_hot = 0;
+ attributes.y_hot = 0;
+ attributes.color_format = CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA;
+ attributes.rotation_angle = 0;
+ attributes.attribute_flags.value = 0;
+
+ if (!dc_target_set_cursor_attributes(
+ amdgpu_crtc->target,
+ &attributes)) {
+ DRM_ERROR("DC failed to set cursor attributes\n");
+ }
+}
+
+static int dm_crtc_unpin_cursor_bo_old(
+ struct amdgpu_crtc *amdgpu_crtc)
+{
+ struct amdgpu_bo *robj;
+ int ret = 0;
+
+ if (NULL != amdgpu_crtc && NULL != amdgpu_crtc->cursor_bo) {
+ robj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
+
+ ret = amdgpu_bo_reserve(robj, false);
+
+ if (likely(ret == 0)) {
+ ret = amdgpu_bo_unpin(robj);
+
+ if (unlikely(ret != 0)) {
+ DRM_ERROR(
+ "%s: unpin failed (ret=%d), bo %p\n",
+ __func__,
+ ret,
+ amdgpu_crtc->cursor_bo);
+ }
+
+ amdgpu_bo_unreserve(robj);
+ } else {
+ DRM_ERROR(
+ "%s: reserve failed (ret=%d), bo %p\n",
+ __func__,
+ ret,
+ amdgpu_crtc->cursor_bo);
+ }
+
+ drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
+ amdgpu_crtc->cursor_bo = NULL;
+ }
+
+ return ret;
+}
+
+static int dm_crtc_pin_cursor_bo_new(
+ struct drm_crtc *crtc,
+ struct drm_file *file_priv,
+ uint32_t handle,
+ struct amdgpu_bo **ret_obj)
+{
+ struct amdgpu_crtc *amdgpu_crtc;
+ struct amdgpu_bo *robj;
+ struct drm_gem_object *obj;
+ int ret = -EINVAL;
+
+ if (NULL != crtc) {
+ struct drm_device *dev = crtc->dev;
+ struct amdgpu_device *adev = dev->dev_private;
+ uint64_t gpu_addr;
+
+ amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
+
+ if (!obj) {
+ DRM_ERROR(
+ "Cannot find cursor object %x for crtc %d\n",
+ handle,
+ amdgpu_crtc->crtc_id);
+ goto release;
+ }
+ robj = gem_to_amdgpu_bo(obj);
+
+ ret = amdgpu_bo_reserve(robj, false);
+
+ if (unlikely(ret != 0)) {
+ drm_gem_object_unreference_unlocked(obj);
+ DRM_ERROR("dm_crtc_pin_cursor_bo_new ret %x, handle %x\n",
+ ret, handle);
+ goto release;
+ }
+
+ ret = amdgpu_bo_pin_restricted(robj, AMDGPU_GEM_DOMAIN_VRAM, 0,
+ adev->mc.visible_vram_size,
+ &gpu_addr);
+
+ if (ret == 0) {
+ amdgpu_crtc->cursor_addr = gpu_addr;
+ *ret_obj = robj;
+ }
+ amdgpu_bo_unreserve(robj);
+ if (ret)
+ drm_gem_object_unreference_unlocked(obj);
+
+ }
+release:
+
+ return ret;
+}
+
+static int dm_crtc_cursor_set(
+ struct drm_crtc *crtc,
+ struct drm_file *file_priv,
+ uint32_t handle,
+ uint32_t width,
+ uint32_t height)
+{
+ struct amdgpu_bo *new_cursor_bo;
+ struct dc_cursor_position position;
+
+ int ret;
+
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ ret = EINVAL;
+ new_cursor_bo = NULL;
+
+ DRM_DEBUG_KMS(
+ "%s: crtc_id=%d with handle %d and size %d to %d, bo_object %p\n",
+ __func__,
+ amdgpu_crtc->crtc_id,
+ handle,
+ width,
+ height,
+ amdgpu_crtc->cursor_bo);
+
+ if (!handle) {
+ /* turn off cursor */
+ position.enable = false;
+ position.x = 0;
+ position.y = 0;
+ position.hot_spot_enable = false;
+
+ if (amdgpu_crtc->target) {
+ /*set cursor visible false*/
+ dc_target_set_cursor_position(
+ amdgpu_crtc->target,
+ &position);
+ }
+ /*unpin old cursor buffer and update cache*/
+ ret = dm_crtc_unpin_cursor_bo_old(amdgpu_crtc);
+ goto release;
+
+ }
+
+ if ((width > amdgpu_crtc->max_cursor_width) ||
+ (height > amdgpu_crtc->max_cursor_height)) {
+ DRM_ERROR(
+ "%s: bad cursor width or height %d x %d\n",
+ __func__,
+ width,
+ height);
+ goto release;
+ }
+ /*try to pin new cursor bo*/
+ ret = dm_crtc_pin_cursor_bo_new(crtc, file_priv, handle, &new_cursor_bo);
+ /*if map not successful then return an error*/
+ if (ret)
+ goto release;
+
+ /*program new cursor bo to hardware*/
+ dm_set_cursor(amdgpu_crtc, amdgpu_crtc->cursor_addr, width, height);
+
+ /*un map old, not used anymore cursor bo ,
+ * return memory and mapping back */
+ dm_crtc_unpin_cursor_bo_old(amdgpu_crtc);
+
+ /*assign new cursor bo to our internal cache*/
+ amdgpu_crtc->cursor_bo = &new_cursor_bo->gem_base;
+
+release:
+ return ret;
+
+}
+
+static int dm_crtc_cursor_move(struct drm_crtc *crtc,
+ int x, int y)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ int xorigin = 0, yorigin = 0;
+ struct dc_cursor_position position;
+
+ /* avivo cursor are offset into the total surface */
+ x += crtc->primary->state->src_x >> 16;
+ y += crtc->primary->state->src_y >> 16;
+
+ /*
+ * TODO: for cursor debugging unguard the following
+ */
+#if 0
+ DRM_DEBUG_KMS(
+ "%s: x %d y %d c->x %d c->y %d\n",
+ __func__,
+ x,
+ y,
+ crtc->x,
+ crtc->y);
+#endif
+
+ if (x < 0) {
+ xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
+ x = 0;
+ }
+ if (y < 0) {
+ yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
+ y = 0;
+ }
+
+ position.enable = true;
+ position.x = x;
+ position.y = y;
+
+ position.hot_spot_enable = true;
+ position.x_origin = xorigin;
+ position.y_origin = yorigin;
+
+ if (!dc_target_set_cursor_position(
+ amdgpu_crtc->target,
+ &position)) {
+ DRM_ERROR("DC failed to set cursor position\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void dm_crtc_cursor_reset(struct drm_crtc *crtc)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ DRM_DEBUG_KMS(
+ "%s: with cursor_bo %p\n",
+ __func__,
+ amdgpu_crtc->cursor_bo);
+
+ if (amdgpu_crtc->cursor_bo && amdgpu_crtc->target) {
+ dm_set_cursor(
+ amdgpu_crtc,
+ amdgpu_crtc->cursor_addr,
+ amdgpu_crtc->cursor_width,
+ amdgpu_crtc->cursor_height);
+ }
+}
+static bool fill_rects_from_plane_state(
+ const struct drm_plane_state *state,
+ struct dc_surface *surface)
+{
+ surface->src_rect.x = state->src_x >> 16;
+ surface->src_rect.y = state->src_y >> 16;
+ /*we ignore for now mantissa and do not to deal with floating pixels :(*/
+ surface->src_rect.width = state->src_w >> 16;
+
+ if (surface->src_rect.width == 0)
+ return false;
+
+ surface->src_rect.height = state->src_h >> 16;
+ if (surface->src_rect.height == 0)
+ return false;
+
+ surface->dst_rect.x = state->crtc_x;
+ surface->dst_rect.y = state->crtc_y;
+
+ if (state->crtc_w == 0)
+ return false;
+
+ surface->dst_rect.width = state->crtc_w;
+
+ if (state->crtc_h == 0)
+ return false;
+
+ surface->dst_rect.height = state->crtc_h;
+
+ surface->clip_rect = surface->dst_rect;
+
+ switch (state->rotation) {
+ case BIT(DRM_ROTATE_0):
+ surface->rotation = ROTATION_ANGLE_0;
+ break;
+ case BIT(DRM_ROTATE_90):
+ surface->rotation = ROTATION_ANGLE_90;
+ break;
+ case BIT(DRM_ROTATE_180):
+ surface->rotation = ROTATION_ANGLE_180;
+ break;
+ case BIT(DRM_ROTATE_270):
+ surface->rotation = ROTATION_ANGLE_270;
+ break;
+ default:
+ surface->rotation = ROTATION_ANGLE_0;
+ break;
+ }
+
+ return true;
+}
+static bool get_fb_info(
+ const struct amdgpu_framebuffer *amdgpu_fb,
+ uint64_t *tiling_flags,
+ uint64_t *fb_location)
+{
+ struct amdgpu_bo *rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
+ int r = amdgpu_bo_reserve(rbo, false);
+ if (unlikely(r != 0)){
+ DRM_ERROR("Unable to reserve buffer\n");
+ return false;
+ }
+
+
+ if (fb_location)
+ *fb_location = amdgpu_bo_gpu_offset(rbo);
+
+ if (tiling_flags)
+ amdgpu_bo_get_tiling_flags(rbo, tiling_flags);
+
+ amdgpu_bo_unreserve(rbo);
+
+ return true;
+}
+static void fill_plane_attributes_from_fb(
+ struct dc_surface *surface,
+ const struct amdgpu_framebuffer *amdgpu_fb)
+{
+ uint64_t tiling_flags;
+ uint64_t fb_location;
+ const struct drm_framebuffer *fb = &amdgpu_fb->base;
+
+ get_fb_info(
+ amdgpu_fb,
+ &tiling_flags,
+ &fb_location);
+
+ surface->address.type = PLN_ADDR_TYPE_GRAPHICS;
+ surface->address.grph.addr.low_part = lower_32_bits(fb_location);
+ surface->address.grph.addr.high_part = upper_32_bits(fb_location);
+
+ switch (fb->pixel_format) {
+ case DRM_FORMAT_C8:
+ surface->format = SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS;
+ break;
+ case DRM_FORMAT_RGB565:
+ surface->format = SURFACE_PIXEL_FORMAT_GRPH_RGB565;
+ break;
+ case DRM_FORMAT_XRGB8888:
+ case DRM_FORMAT_ARGB8888:
+ surface->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB8888;
+ break;
+ default:
+ DRM_ERROR("Unsupported screen depth %d\n", fb->bits_per_pixel);
+ return;
+ }
+
+ memset(&surface->tiling_info, 0, sizeof(surface->tiling_info));
+
+ if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == DC_ARRAY_2D_TILED_THIN1)
+ {
+ unsigned bankw, bankh, mtaspect, tile_split, num_banks;
+
+ bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
+ bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
+ mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
+ tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
+ num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
+
+
+ /* XXX fix me for VI */
+ surface->tiling_info.num_banks = num_banks;
+ surface->tiling_info.array_mode =
+ DC_ARRAY_2D_TILED_THIN1;
+ surface->tiling_info.tile_split = tile_split;
+ surface->tiling_info.bank_width = bankw;
+ surface->tiling_info.bank_height = bankh;
+ surface->tiling_info.tile_aspect = mtaspect;
+ surface->tiling_info.tile_mode =
+ DC_ADDR_SURF_MICRO_TILING_DISPLAY;
+ } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE)
+ == DC_ARRAY_1D_TILED_THIN1) {
+ surface->tiling_info.array_mode = DC_ARRAY_1D_TILED_THIN1;
+ }
+
+ surface->tiling_info.pipe_config =
+ AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
+
+ surface->plane_size.grph.surface_size.x = 0;
+ surface->plane_size.grph.surface_size.y = 0;
+ surface->plane_size.grph.surface_size.width = fb->width;
+ surface->plane_size.grph.surface_size.height = fb->height;
+ surface->plane_size.grph.surface_pitch =
+ fb->pitches[0] / (fb->bits_per_pixel / 8);
+
+ surface->visible = true;
+ surface->scaling_quality.h_taps_c = 2;
+ surface->scaling_quality.v_taps_c = 2;
+
+ /* TODO: unhardcode */
+ surface->colorimetry.limited_range = false;
+ surface->colorimetry.color_space = SURFACE_COLOR_SPACE_SRGB;
+ surface->scaling_quality.h_taps = 2;
+ surface->scaling_quality.v_taps = 2;
+ surface->stereo_format = PLANE_STEREO_FORMAT_NONE;
+
+}
+
+#define NUM_OF_RAW_GAMMA_RAMP_RGB_256 256
+
+static void fill_gamma_from_crtc(
+ const struct drm_crtc *crtc,
+ struct dc_surface *dc_surface)
+{
+ int i;
+ struct gamma_ramp *gamma;
+ uint16_t *red, *green, *blue;
+ int end = (crtc->gamma_size > NUM_OF_RAW_GAMMA_RAMP_RGB_256) ?
+ NUM_OF_RAW_GAMMA_RAMP_RGB_256 : crtc->gamma_size;
+
+ red = crtc->gamma_store;
+ green = red + crtc->gamma_size;
+ blue = green + crtc->gamma_size;
+
+ gamma = &dc_surface->gamma_correction;
+
+ for (i = 0; i < end; i++) {
+ gamma->gamma_ramp_rgb256x3x16.red[i] =
+ (unsigned short) red[i];
+ gamma->gamma_ramp_rgb256x3x16.green[i] =
+ (unsigned short) green[i];
+ gamma->gamma_ramp_rgb256x3x16.blue[i] =
+ (unsigned short) blue[i];
+ }
+
+ gamma->type = GAMMA_RAMP_RBG256X3X16;
+ gamma->size = sizeof(gamma->gamma_ramp_rgb256x3x16);
+}
+
+static void fill_plane_attributes(
+ struct dc_surface *surface,
+ struct drm_plane_state *state)
+{
+ const struct amdgpu_framebuffer *amdgpu_fb =
+ to_amdgpu_framebuffer(state->fb);
+ const struct drm_crtc *crtc = state->crtc;
+
+ fill_rects_from_plane_state(state, surface);
+ fill_plane_attributes_from_fb(
+ surface,
+ amdgpu_fb);
+
+ /* In case of gamma set, update gamma value */
+ if (crtc->mode.private_flags &
+ AMDGPU_CRTC_MODE_PRIVATE_FLAGS_GAMMASET) {
+ fill_gamma_from_crtc(crtc, surface);
+ }
+}
+
+/*****************************************************************************/
+
+struct amdgpu_connector *aconnector_from_drm_crtc_id(
+ const struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_connector *connector;
+ struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
+ struct amdgpu_connector *aconnector;
+
+ list_for_each_entry(connector,
+ &dev->mode_config.connector_list, head) {
+
+ aconnector = to_amdgpu_connector(connector);
+
+ if (aconnector->base.state->crtc != &acrtc->base)
+ continue;
+
+ /* Found the connector */
+ return aconnector;
+ }
+
+ /* If we get here, not found. */
+ return NULL;
+}
+
+static void calculate_stream_scaling_settings(
+ const struct drm_display_mode *mode,
+ const struct dc_stream *stream,
+ struct dm_connector_state *dm_state)
+{
+ enum amdgpu_rmx_type rmx_type;
+
+ struct rect src = { 0 }; /* viewport in target space*/
+ struct rect dst = { 0 }; /* stream addressable area */
+
+ /* Full screen scaling by default */
+ src.width = mode->hdisplay;
+ src.height = mode->vdisplay;
+ dst.width = stream->timing.h_addressable;
+ dst.height = stream->timing.v_addressable;
+
+ rmx_type = dm_state->scaling;
+ if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) {
+ if (src.width * dst.height <
+ src.height * dst.width) {
+ /* height needs less upscaling/more downscaling */
+ dst.width = src.width *
+ dst.height / src.height;
+ } else {
+ /* width needs less upscaling/more downscaling */
+ dst.height = src.height *
+ dst.width / src.width;
+ }
+ } else if (rmx_type == RMX_CENTER) {
+ dst = src;
+ }
+
+ dst.x = (stream->timing.h_addressable - dst.width) / 2;
+ dst.y = (stream->timing.v_addressable - dst.height) / 2;
+
+ if (dm_state->underscan_enable) {
+ dst.x += dm_state->underscan_hborder / 2;
+ dst.y += dm_state->underscan_vborder / 2;
+ dst.width -= dm_state->underscan_hborder;
+ dst.height -= dm_state->underscan_vborder;
+ }
+
+ dc_update_stream(stream, &src, &dst);
+
+ DRM_DEBUG_KMS("Destination Rectangle x:%d y:%d width:%d height:%d\n",
+ dst.x, dst.y, dst.width, dst.height);
+
+}
+
+static void dm_dc_surface_commit(
+ struct dc *dc,
+ struct drm_crtc *crtc,
+ struct dm_connector_state *dm_state)
+{
+ struct dc_surface *dc_surface;
+ const struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
+ struct dc_target *dc_target = acrtc->target;
+
+ if (!dc_target) {
+ dm_error(
+ "%s: Failed to obtain target on crtc (%d)!\n",
+ __func__,
+ acrtc->crtc_id);
+ goto fail;
+ }
+
+ dc_surface = dc_create_surface(dc);
+
+ if (!dc_surface) {
+ dm_error(
+ "%s: Failed to create a surface!\n",
+ __func__);
+ goto fail;
+ }
+
+ calculate_stream_scaling_settings(&crtc->state->mode,
+ dc_target->streams[0],
+ dm_state);
+
+ /* Surface programming */
+ fill_plane_attributes(dc_surface, crtc->primary->state);
+ if (crtc->mode.private_flags &
+ AMDGPU_CRTC_MODE_PRIVATE_FLAGS_GAMMASET) {
+ /* reset trigger of gamma */
+ crtc->mode.private_flags &=
+ ~AMDGPU_CRTC_MODE_PRIVATE_FLAGS_GAMMASET;
+ }
+
+ if (false == dc_commit_surfaces_to_target(
+ dc,
+ &dc_surface,
+ 1,
+ dc_target)) {
+ dm_error(
+ "%s: Failed to attach surface!\n",
+ __func__);
+ }
+
+ dc_surface_release(dc_surface);
+fail:
+ return;
+}
+
+static enum dc_color_depth convert_color_depth_from_display_info(
+ const struct drm_connector *connector)
+{
+ uint32_t bpc = connector->display_info.bpc;
+
+ /* Limited color depth to 8bit
+ * TODO: Still need to handle deep color*/
+ if (bpc > 8)
+ bpc = 8;
+
+ switch (bpc) {
+ case 0:
+ /* Temporary Work around, DRM don't parse color depth for
+ * EDID revision before 1.4
+ * TODO: Fix edid parsing
+ */
+ return COLOR_DEPTH_888;
+ case 6:
+ return COLOR_DEPTH_666;
+ case 8:
+ return COLOR_DEPTH_888;
+ case 10:
+ return COLOR_DEPTH_101010;
+ case 12:
+ return COLOR_DEPTH_121212;
+ case 14:
+ return COLOR_DEPTH_141414;
+ case 16:
+ return COLOR_DEPTH_161616;
+ default:
+ return COLOR_DEPTH_UNDEFINED;
+ }
+}
+
+static enum dc_aspect_ratio get_aspect_ratio(
+ const struct drm_display_mode *mode_in)
+{
+ int32_t width = mode_in->crtc_hdisplay * 9;
+ int32_t height = mode_in->crtc_vdisplay * 16;
+ if ((width - height) < 10 && (width - height) > -10)
+ return ASPECT_RATIO_16_9;
+ else
+ return ASPECT_RATIO_4_3;
+}
+
+/*****************************************************************************/
+
+static void dc_timing_from_drm_display_mode(
+ struct dc_crtc_timing *timing_out,
+ const struct drm_display_mode *mode_in,
+ const struct drm_connector *connector)
+{
+ memset(timing_out, 0, sizeof(struct dc_crtc_timing));
+
+ timing_out->h_border_left = 0;
+ timing_out->h_border_right = 0;
+ timing_out->v_border_top = 0;
+ timing_out->v_border_bottom = 0;
+ /* TODO: un-hardcode */
+ timing_out->pixel_encoding = PIXEL_ENCODING_RGB;
+ timing_out->timing_standard = TIMING_STANDARD_HDMI;
+ timing_out->timing_3d_format = TIMING_3D_FORMAT_NONE;
+ timing_out->display_color_depth = convert_color_depth_from_display_info(
+ connector);
+ timing_out->scan_type = SCANNING_TYPE_NODATA;
+ timing_out->hdmi_vic = 0;
+ timing_out->vic = drm_match_cea_mode(mode_in);
+
+ timing_out->h_addressable = mode_in->crtc_hdisplay;
+ timing_out->h_total = mode_in->crtc_htotal;
+ timing_out->h_sync_width =
+ mode_in->crtc_hsync_end - mode_in->crtc_hsync_start;
+ timing_out->h_front_porch =
+ mode_in->crtc_hsync_start - mode_in->crtc_hdisplay;
+ timing_out->v_total = mode_in->crtc_vtotal;
+ timing_out->v_addressable = mode_in->crtc_vdisplay;
+ timing_out->v_front_porch =
+ mode_in->crtc_vsync_start - mode_in->crtc_vdisplay;
+ timing_out->v_sync_width =
+ mode_in->crtc_vsync_end - mode_in->crtc_vsync_start;
+ timing_out->pix_clk_khz = mode_in->crtc_clock;
+ timing_out->aspect_ratio = get_aspect_ratio(mode_in);
+}
+
+static void fill_audio_info(
+ struct audio_info *audio_info,
+ const struct drm_connector *drm_connector,
+ const struct dc_sink *dc_sink)
+{
+ int i = 0;
+ int cea_revision = 0;
+ const struct dc_edid_caps *edid_caps = &dc_sink->edid_caps;
+
+ audio_info->manufacture_id = edid_caps->manufacturer_id;
+ audio_info->product_id = edid_caps->product_id;
+
+ cea_revision = drm_connector->display_info.cea_rev;
+
+ while (i < AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS &&
+ edid_caps->display_name[i]) {
+ audio_info->display_name[i] = edid_caps->display_name[i];
+ i++;
+ }
+
+ if(cea_revision >= 3) {
+ audio_info->mode_count = edid_caps->audio_mode_count;
+
+ for (i = 0; i < audio_info->mode_count; ++i) {
+ audio_info->modes[i].format_code =
+ (enum audio_format_code)
+ (edid_caps->audio_modes[i].format_code);
+ audio_info->modes[i].channel_count =
+ edid_caps->audio_modes[i].channel_count;
+ audio_info->modes[i].sample_rates.all =
+ edid_caps->audio_modes[i].sample_rate;
+ audio_info->modes[i].sample_size =
+ edid_caps->audio_modes[i].sample_size;
+ }
+ }
+
+ audio_info->flags.all = edid_caps->speaker_flags;
+
+ /* TODO: We only check for the progressive mode, check for interlace mode too */
+ if(drm_connector->latency_present[0]) {
+ audio_info->video_latency = drm_connector->video_latency[0];
+ audio_info->audio_latency = drm_connector->audio_latency[0];
+ }
+
+ /* TODO: For DP, video and audio latency should be calculated from DPCD caps */
+
+}
+
+/*TODO: move these defines elsewhere*/
+#define DAL_MAX_CONTROLLERS 4
+
+static void copy_crtc_timing_for_drm_display_mode(
+ const struct drm_display_mode *src_mode,
+ struct drm_display_mode *dst_mode)
+{
+ dst_mode->crtc_hdisplay = src_mode->crtc_hdisplay;
+ dst_mode->crtc_vdisplay = src_mode->crtc_vdisplay;
+ dst_mode->crtc_clock = src_mode->crtc_clock;
+ dst_mode->crtc_hblank_start = src_mode->crtc_hblank_start;
+ dst_mode->crtc_hblank_end = src_mode->crtc_hblank_end;
+ dst_mode->crtc_hsync_start= src_mode->crtc_hsync_start;
+ dst_mode->crtc_hsync_end = src_mode->crtc_hsync_end;
+ dst_mode->crtc_htotal = src_mode->crtc_htotal;
+ dst_mode->crtc_hskew = src_mode->crtc_hskew;
+ dst_mode->crtc_vblank_start = src_mode->crtc_vblank_start;;
+ dst_mode->crtc_vblank_end = src_mode->crtc_vblank_end;;
+ dst_mode->crtc_vsync_start = src_mode->crtc_vsync_start;;
+ dst_mode->crtc_vsync_end = src_mode->crtc_vsync_end;;
+ dst_mode->crtc_vtotal = src_mode->crtc_vtotal;;
+}
+
+static void decide_crtc_timing_for_drm_display_mode(
+ struct drm_display_mode *drm_mode,
+ const struct drm_display_mode *native_mode,
+ bool scale_enabled)
+{
+ if (scale_enabled) {
+ copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode);
+ } else if (native_mode->clock == drm_mode->clock &&
+ native_mode->htotal == drm_mode->htotal &&
+ native_mode->vtotal == drm_mode->vtotal) {
+ copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode);
+ } else {
+ /* no scaling nor amdgpu inserted, no need to patch */
+ }
+}
+
+
+static struct dc_target *create_target_for_sink(
+ const struct amdgpu_connector *aconnector,
+ struct drm_display_mode *drm_mode)
+{
+ struct drm_display_mode *preferred_mode = NULL;
+ const struct drm_connector *drm_connector;
+ struct dm_connector_state *dm_state;
+ struct dc_target *target = NULL;
+ struct dc_stream *stream;
+ struct drm_display_mode mode = *drm_mode;
+ bool native_mode_found = false;
+
+ if (NULL == aconnector) {
+ DRM_ERROR("aconnector is NULL!\n");
+ goto drm_connector_null;
+ }
+
+ drm_connector = &aconnector->base;
+ dm_state = to_dm_connector_state(drm_connector->state);
+ stream = dc_create_stream_for_sink(aconnector->dc_sink);
+
+ if (NULL == stream) {
+ DRM_ERROR("Failed to create stream for sink!\n");
+ goto stream_create_fail;
+ }
+
+ list_for_each_entry(preferred_mode, &aconnector->base.modes, head) {
+ /* Search for preferred mode */
+ if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) {
+ native_mode_found = true;
+ break;
+ }
+ }
+ if (!native_mode_found)
+ preferred_mode = list_first_entry_or_null(
+ &aconnector->base.modes,
+ struct drm_display_mode,
+ head);
+ if (NULL == preferred_mode) {
+ DRM_ERROR("No preferred mode found\n");
+ goto stream_create_fail;
+ }
+
+ decide_crtc_timing_for_drm_display_mode(
+ &mode, preferred_mode,
+ dm_state->scaling != RMX_OFF);
+
+ dc_timing_from_drm_display_mode(&stream->timing,
+ &mode, &aconnector->base);
+
+ fill_audio_info(
+ &stream->audio_info,
+ drm_connector,
+ aconnector->dc_sink);
+
+ target = dc_create_target_for_streams(&stream, 1);
+ dc_stream_release(stream);
+
+ if (NULL == target) {
+ DRM_ERROR("Failed to create target with streams!\n");
+ goto target_create_fail;
+ }
+
+drm_connector_null:
+target_create_fail:
+stream_create_fail:
+ return target;
+}
+
+void amdgpu_dm_crtc_destroy(struct drm_crtc *crtc)
+{
+ drm_crtc_cleanup(crtc);
+ kfree(crtc);
+}
+
+static void amdgpu_dm_atomic_crtc_gamma_set(
+ struct drm_crtc *crtc,
+ u16 *red,
+ u16 *green,
+ u16 *blue,
+ uint32_t start,
+ uint32_t size)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_property *prop = dev->mode_config.prop_crtc_id;
+
+ crtc->state->mode.private_flags |= AMDGPU_CRTC_MODE_PRIVATE_FLAGS_GAMMASET;
+
+ drm_atomic_helper_crtc_set_property(crtc, prop, 0);
+}
+
+static int dm_crtc_funcs_atomic_set_property(
+ struct drm_crtc *crtc,
+ struct drm_crtc_state *crtc_state,
+ struct drm_property *property,
+ uint64_t val)
+{
+ struct drm_plane_state *plane_state;
+
+ crtc_state->planes_changed = true;
+
+ /*
+ * Bit of magic done here. We need to ensure
+ * that planes get update after mode is set.
+ * So, we need to add primary plane to state,
+ * and this way atomic_update would be called
+ * for it
+ */
+ plane_state =
+ drm_atomic_get_plane_state(
+ crtc_state->state,
+ crtc->primary);
+
+ if (!plane_state)
+ return -EINVAL;
+
+ return 0;
+}
+
+/* Implemented only the options currently availible for the driver */
+static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
+ .reset = drm_atomic_helper_crtc_reset,
+ .cursor_set = dm_crtc_cursor_set,
+ .cursor_move = dm_crtc_cursor_move,
+ .destroy = amdgpu_dm_crtc_destroy,
+ .gamma_set = amdgpu_dm_atomic_crtc_gamma_set,
+ .set_config = drm_atomic_helper_set_config,
+ .page_flip = drm_atomic_helper_page_flip,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+ .atomic_set_property = dm_crtc_funcs_atomic_set_property
+};
+
+static enum drm_connector_status
+amdgpu_dm_connector_detect(struct drm_connector *connector, bool force)
+{
+ bool connected;
+ struct amdgpu_connector *aconnector = to_amdgpu_connector(connector);
+
+ /* Notes:
+ * 1. This interface is NOT called in context of HPD irq.
+ * 2. This interface *is called* in context of user-mode ioctl. Which
+ * makes it a bad place for *any* MST-related activit. */
+
+ connected = (NULL != aconnector->dc_sink);
+
+ return (connected ? connector_status_connected :
+ connector_status_disconnected);
+}
+
+int amdgpu_dm_connector_atomic_set_property(
+ struct drm_connector *connector,
+ struct drm_connector_state *connector_state,
+ struct drm_property *property,
+ uint64_t val)
+{
+ struct drm_device *dev = connector->dev;
+ struct amdgpu_device *adev = dev->dev_private;
+ struct dm_connector_state *dm_old_state =
+ to_dm_connector_state(connector->state);
+ struct dm_connector_state *dm_new_state =
+ to_dm_connector_state(connector_state);
+
+ if (property == dev->mode_config.scaling_mode_property) {
+ struct drm_crtc_state *new_crtc_state;
+ struct drm_crtc *crtc;
+ int i;
+ enum amdgpu_rmx_type rmx_type;
+
+ switch (val) {
+ case DRM_MODE_SCALE_CENTER:
+ rmx_type = RMX_CENTER;
+ break;
+ case DRM_MODE_SCALE_ASPECT:
+ rmx_type = RMX_ASPECT;
+ break;
+ case DRM_MODE_SCALE_FULLSCREEN:
+ rmx_type = RMX_FULL;
+ break;
+ case DRM_MODE_SCALE_NONE:
+ default:
+ rmx_type = RMX_OFF;
+ break;
+ }
+
+ if (dm_old_state->scaling == rmx_type)
+ return 0;
+
+ dm_new_state->scaling = rmx_type;
+
+ for_each_crtc_in_state(
+ connector_state->state,
+ crtc,
+ new_crtc_state,
+ i) {
+
+ if (crtc == connector_state->crtc) {
+ struct drm_plane_state *plane_state;
+
+ new_crtc_state->mode_changed = true;
+
+ /*
+ * Bit of magic done here. We need to ensure
+ * that planes get update after mode is set.
+ * So, we need to add primary plane to state,
+ * and this way atomic_update would be called
+ * for it
+ */
+ plane_state =
+ drm_atomic_get_plane_state(
+ connector_state->state,
+ crtc->primary);
+
+ if (!plane_state)
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+ } else if (property == adev->mode_info.underscan_hborder_property) {
+ dm_new_state->underscan_hborder = val;
+ return 0;
+ } else if (property == adev->mode_info.underscan_vborder_property) {
+ dm_new_state->underscan_vborder = val;
+ return 0;
+ } else if (property == adev->mode_info.underscan_property) {
+ struct drm_crtc_state *new_crtc_state;
+ struct drm_crtc *crtc;
+ int i;
+
+ dm_new_state->underscan_enable = val;
+
+ for_each_crtc_in_state(
+ connector_state->state,
+ crtc,
+ new_crtc_state,
+ i) {
+
+ if (crtc == connector_state->crtc) {
+ struct drm_plane_state *plane_state;
+
+ /*
+ * Bit of magic done here. We need to ensure
+ * that planes get update after mode is set.
+ * So, we need to add primary plane to state,
+ * and this way atomic_update would be called
+ * for it
+ */
+ plane_state =
+ drm_atomic_get_plane_state(
+ connector_state->state,
+ crtc->primary);
+
+ if (!plane_state)
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+void amdgpu_dm_connector_destroy(struct drm_connector *connector)
+{
+ struct amdgpu_connector *aconnector = to_amdgpu_connector(connector);
+ const struct dc_link *link = aconnector->dc_link;
+ struct amdgpu_device *adev = connector->dev->dev_private;
+ struct amdgpu_display_manager *dm = &adev->dm;
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
+ defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+
+ if (link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) {
+ amdgpu_dm_register_backlight_device(dm);
+
+ if (dm->backlight_dev) {
+ backlight_device_unregister(dm->backlight_dev);
+ dm->backlight_dev = NULL;
+ }
+
+ }
+#endif
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
+{
+ struct dm_connector_state *state =
+ to_dm_connector_state(connector->state);
+
+ kfree(state);
+
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+
+ if (state) {
+ state->scaling = RMX_OFF;
+ state->underscan_enable = false;
+ state->underscan_hborder = 0;
+ state->underscan_vborder = 0;
+
+ connector->state = &state->base;
+ connector->state->connector = connector;
+ }
+}
+
+struct drm_connector_state *amdgpu_dm_connector_atomic_duplicate_state(
+ struct drm_connector *connector)
+{
+ struct dm_connector_state *state =
+ to_dm_connector_state(connector->state);
+
+ struct dm_connector_state *new_state =
+ kzalloc(sizeof(*new_state), GFP_KERNEL);
+
+ if (new_state) {
+ *new_state = *state;
+
+ return &new_state->base;
+ }
+
+ return NULL;
+}
+
+void amdgpu_dm_connector_atomic_destroy_state(
+ struct drm_connector *connector,
+ struct drm_connector_state *state)
+{
+ struct dm_connector_state *dm_state =
+ to_dm_connector_state(state);
+
+ __drm_atomic_helper_connector_destroy_state(connector, state);
+
+ kfree(dm_state);
+}
+
+static const struct drm_connector_funcs amdgpu_dm_connector_funcs = {
+ .dpms = drm_atomic_helper_connector_dpms,
+ .reset = amdgpu_dm_connector_funcs_reset,
+ .detect = amdgpu_dm_connector_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = drm_atomic_helper_connector_set_property,
+ .destroy = amdgpu_dm_connector_destroy,
+ .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state,
+ .atomic_destroy_state = amdgpu_dm_connector_atomic_destroy_state,
+ .atomic_set_property = amdgpu_dm_connector_atomic_set_property
+};
+
+static struct drm_encoder *best_encoder(struct drm_connector *connector)
+{
+ int enc_id = connector->encoder_ids[0];
+ struct drm_mode_object *obj;
+ struct drm_encoder *encoder;
+
+ DRM_DEBUG_KMS("Finding the best encoder\n");
+
+ /* pick the encoder ids */
+ if (enc_id) {
+ obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
+ if (!obj) {
+ DRM_ERROR("Couldn't find a matching encoder for our connector\n");
+ return NULL;
+ }
+ encoder = obj_to_encoder(obj);
+ return encoder;
+ }
+ DRM_ERROR("No encoder id\n");
+ return NULL;
+}
+
+static int get_modes(struct drm_connector *connector)
+{
+ return amdgpu_dm_connector_get_modes(connector);
+}
+
+int amdgpu_dm_connector_mode_valid(
+ struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ int result = MODE_ERROR;
+ const struct dc_sink *dc_sink =
+ to_amdgpu_connector(connector)->dc_sink;
+ struct amdgpu_device *adev = connector->dev->dev_private;
+ struct dc_validation_set val_set = { 0 };
+ /* TODO: Unhardcode stream count */
+ struct dc_stream *streams[1];
+ struct dc_target *target;
+
+ if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
+ (mode->flags & DRM_MODE_FLAG_DBLSCAN))
+ return result;
+
+ if (NULL == dc_sink) {
+ DRM_ERROR("dc_sink is NULL!\n");
+ goto stream_create_fail;
+ }
+
+ streams[0] = dc_create_stream_for_sink(dc_sink);
+
+ if (NULL == streams[0]) {
+ DRM_ERROR("Failed to create stream for sink!\n");
+ goto stream_create_fail;
+ }
+
+ drm_mode_set_crtcinfo(mode, 0);
+ dc_timing_from_drm_display_mode(&streams[0]->timing, mode, connector);
+
+ target = dc_create_target_for_streams(streams, 1);
+ val_set.target = target;
+
+ if (NULL == val_set.target) {
+ DRM_ERROR("Failed to create target with stream!\n");
+ goto target_create_fail;
+ }
+
+ val_set.surface_count = 0;
+ streams[0]->src.width = mode->hdisplay;
+ streams[0]->src.height = mode->vdisplay;
+ streams[0]->dst = streams[0]->src;
+
+ if (dc_validate_resources(adev->dm.dc, &val_set, 1))
+ result = MODE_OK;
+
+ dc_target_release(target);
+target_create_fail:
+ dc_stream_release(streams[0]);
+stream_create_fail:
+ /* TODO: error handling*/
+ return result;
+}
+
+
+static const struct drm_connector_helper_funcs
+amdgpu_dm_connector_helper_funcs = {
+ /*
+ * If hotplug a second bigger display in FB Con mode, bigger resolution
+ * modes will be filtered by drm_mode_validate_size(), and those modes
+ * is missing after user start lightdm. So we need to renew modes list.
+ * in get_modes call back, not just return the modes count
+ */
+ .get_modes = get_modes,
+ .mode_valid = amdgpu_dm_connector_mode_valid,
+ .best_encoder = best_encoder
+};
+
+static void dm_crtc_helper_disable(struct drm_crtc *crtc)
+{
+}
+
+static int dm_crtc_helper_atomic_check(
+ struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ return 0;
+}
+
+static bool dm_crtc_helper_mode_fixup(
+ struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+static const struct drm_crtc_helper_funcs amdgpu_dm_crtc_helper_funcs = {
+ .disable = dm_crtc_helper_disable,
+ .atomic_check = dm_crtc_helper_atomic_check,
+ .mode_fixup = dm_crtc_helper_mode_fixup
+};
+
+static void dm_encoder_helper_disable(struct drm_encoder *encoder)
+{
+
+}
+
+static int dm_encoder_helper_atomic_check(
+ struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ return 0;
+}
+
+const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = {
+ .disable = dm_encoder_helper_disable,
+ .atomic_check = dm_encoder_helper_atomic_check
+};
+
+static const struct drm_plane_funcs dm_plane_funcs = {
+ .reset = drm_atomic_helper_plane_reset,
+ .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_plane_destroy_state
+};
+
+static void clear_unrelated_fields(struct drm_plane_state *state)
+{
+ state->crtc = NULL;
+ state->fb = NULL;
+ state->state = NULL;
+ state->fence = NULL;
+}
+
+static bool page_flip_needed(
+ const struct drm_plane_state *new_state,
+ const struct drm_plane_state *old_state)
+{
+ struct drm_plane_state old_state_tmp;
+ struct drm_plane_state new_state_tmp;
+
+ struct amdgpu_framebuffer *amdgpu_fb_old;
+ struct amdgpu_framebuffer *amdgpu_fb_new;
+
+ uint64_t old_tiling_flags;
+ uint64_t new_tiling_flags;
+
+ if (!old_state)
+ return false;
+
+ if (!old_state->fb)
+ return false;
+
+ if (!new_state)
+ return false;
+
+ if (!new_state->fb)
+ return false;
+
+ old_state_tmp = *old_state;
+ new_state_tmp = *new_state;
+
+ if (!new_state->crtc->state->event)
+ return false;
+
+ amdgpu_fb_old = to_amdgpu_framebuffer(old_state->fb);
+ amdgpu_fb_new = to_amdgpu_framebuffer(new_state->fb);
+
+ if (!get_fb_info(amdgpu_fb_old, &old_tiling_flags, NULL))
+ return false;
+
+ if (!get_fb_info(amdgpu_fb_new, &new_tiling_flags, NULL))
+ return false;
+
+ if (old_tiling_flags != new_tiling_flags)
+ return false;
+
+ clear_unrelated_fields(&old_state_tmp);
+ clear_unrelated_fields(&new_state_tmp);
+
+ return memcmp(&old_state_tmp, &new_state_tmp, sizeof(old_state_tmp)) == 0;
+}
+
+static int dm_plane_helper_prepare_fb(
+ struct drm_plane *plane,
+ const struct drm_plane_state *new_state)
+{
+ struct drm_framebuffer *fb = new_state->fb;
+ struct amdgpu_framebuffer *afb;
+ struct drm_gem_object *obj;
+ struct amdgpu_bo *rbo;
+ int r;
+
+ if (!fb) {
+ DRM_DEBUG_KMS("No FB bound\n");
+ return 0;
+ }
+
+ afb = to_amdgpu_framebuffer(fb);
+
+ obj = afb->obj;
+ rbo = gem_to_amdgpu_bo(obj);
+ r = amdgpu_bo_reserve(rbo, false);
+ if (unlikely(r != 0))
+ return r;
+
+ r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, NULL);
+
+ amdgpu_bo_unreserve(rbo);
+
+ if (unlikely(r != 0)) {
+ DRM_ERROR("Failed to pin framebuffer\n");
+ return r;
+ }
+
+ return 0;
+}
+
+static void dm_plane_helper_cleanup_fb(
+ struct drm_plane *plane,
+ const struct drm_plane_state *old_state)
+{
+ struct drm_framebuffer *fb = old_state->fb;
+ struct amdgpu_bo *rbo;
+ struct amdgpu_framebuffer *afb;
+ int r;
+
+ if (!fb)
+ return;
+
+ afb = to_amdgpu_framebuffer(fb);
+ rbo = gem_to_amdgpu_bo(afb->obj);
+ r = amdgpu_bo_reserve(rbo, false);
+ if (unlikely(r)) {
+ DRM_ERROR("failed to reserve rbo before unpin\n");
+ return;
+ } else {
+ amdgpu_bo_unpin(rbo);
+ amdgpu_bo_unreserve(rbo);
+ }
+}
+
+int dm_create_validation_set_for_target(struct drm_connector *connector,
+ struct drm_display_mode *mode, struct dc_validation_set *val_set)
+{
+ int result = MODE_ERROR;
+ const struct dc_sink *dc_sink =
+ to_amdgpu_connector(connector)->dc_sink;
+ /* TODO: Unhardcode stream count */
+ struct dc_stream *streams[1];
+ struct dc_target *target;
+
+ if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
+ (mode->flags & DRM_MODE_FLAG_DBLSCAN))
+ return result;
+
+ if (NULL == dc_sink) {
+ DRM_ERROR("dc_sink is NULL!\n");
+ return result;
+ }
+
+ streams[0] = dc_create_stream_for_sink(dc_sink);
+
+ if (NULL == streams[0]) {
+ DRM_ERROR("Failed to create stream for sink!\n");
+ return result;
+ }
+
+ drm_mode_set_crtcinfo(mode, 0);
+ dc_timing_from_drm_display_mode(&streams[0]->timing, mode, connector);
+
+ target = dc_create_target_for_streams(streams, 1);
+ val_set->target = target;
+
+ if (NULL == val_set->target) {
+ DRM_ERROR("Failed to create target with stream!\n");
+ goto fail;
+ }
+
+ streams[0]->src.width = mode->hdisplay;
+ streams[0]->src.height = mode->vdisplay;
+ streams[0]->dst = streams[0]->src;
+
+ return MODE_OK;
+
+fail:
+ dc_stream_release(streams[0]);
+ return result;
+
+}
+
+static const struct drm_plane_helper_funcs dm_plane_helper_funcs = {
+ .prepare_fb = dm_plane_helper_prepare_fb,
+ .cleanup_fb = dm_plane_helper_cleanup_fb,
+};
+
+/*
+ * TODO: these are currently initialized to rgb formats only.
+ * For future use cases we should either initialize them dynamically based on
+ * plane capabilities, or initialize this array to all formats, so internal drm
+ * check will succeed, and let DC to implement proper check
+ */
+static uint32_t rgb_formats[] = {
+ DRM_FORMAT_XRGB4444,
+ DRM_FORMAT_ARGB4444,
+ DRM_FORMAT_RGBA4444,
+ DRM_FORMAT_ARGB1555,
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_RGB888,
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_RGBA8888,
+};
+
+int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
+ struct amdgpu_crtc *acrtc,
+ uint32_t crtc_index)
+{
+ int res = -ENOMEM;
+
+ struct drm_plane *primary_plane =
+ kzalloc(sizeof(*primary_plane), GFP_KERNEL);
+
+ if (!primary_plane)
+ goto fail_plane;
+
+ primary_plane->format_default = true;
+
+ res = drm_universal_plane_init(
+ dm->adev->ddev,
+ primary_plane,
+ 0,
+ &dm_plane_funcs,
+ rgb_formats,
+ ARRAY_SIZE(rgb_formats),
+ DRM_PLANE_TYPE_PRIMARY,
+ NULL);
+
+ primary_plane->crtc = &acrtc->base;
+
+ drm_plane_helper_add(primary_plane, &dm_plane_helper_funcs);
+
+ res = drm_crtc_init_with_planes(
+ dm->ddev,
+ &acrtc->base,
+ primary_plane,
+ NULL,
+ &amdgpu_dm_crtc_funcs,
+ NULL);
+
+ if (res)
+ goto fail;
+
+ drm_crtc_helper_add(&acrtc->base, &amdgpu_dm_crtc_helper_funcs);
+
+ acrtc->max_cursor_width = 128;
+ acrtc->max_cursor_height = 128;
+
+ acrtc->crtc_id = crtc_index;
+ acrtc->base.enabled = false;
+
+ dm->adev->mode_info.crtcs[crtc_index] = acrtc;
+ drm_mode_crtc_set_gamma_size(&acrtc->base, 256);
+
+ return 0;
+fail:
+ kfree(primary_plane);
+fail_plane:
+ acrtc->crtc_id = -1;
+ return res;
+}
+
+static int to_drm_connector_type(enum signal_type st)
+{
+ switch (st) {
+ case SIGNAL_TYPE_HDMI_TYPE_A:
+ return DRM_MODE_CONNECTOR_HDMIA;
+ case SIGNAL_TYPE_EDP:
+ return DRM_MODE_CONNECTOR_eDP;
+ case SIGNAL_TYPE_RGB:
+ return DRM_MODE_CONNECTOR_VGA;
+ case SIGNAL_TYPE_DISPLAY_PORT:
+ case SIGNAL_TYPE_DISPLAY_PORT_MST:
+ return DRM_MODE_CONNECTOR_DisplayPort;
+ case SIGNAL_TYPE_DVI_DUAL_LINK:
+ case SIGNAL_TYPE_DVI_SINGLE_LINK:
+ return DRM_MODE_CONNECTOR_DVID;
+ case SIGNAL_TYPE_VIRTUAL:
+ return DRM_MODE_CONNECTOR_VIRTUAL;
+
+ default:
+ return DRM_MODE_CONNECTOR_Unknown;
+ }
+}
+
+static void amdgpu_dm_get_native_mode(struct drm_connector *connector)
+{
+ const struct drm_connector_helper_funcs *helper =
+ connector->helper_private;
+ struct drm_encoder *encoder;
+ struct amdgpu_encoder *amdgpu_encoder;
+
+ encoder = helper->best_encoder(connector);
+
+ if (encoder == NULL)
+ return;
+
+ amdgpu_encoder = to_amdgpu_encoder(encoder);
+
+ amdgpu_encoder->native_mode.clock = 0;
+
+ if (!list_empty(&connector->probed_modes)) {
+ struct drm_display_mode *preferred_mode = NULL;
+ list_for_each_entry(preferred_mode,
+ &connector->probed_modes,
+ head) {
+ if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) {
+ amdgpu_encoder->native_mode = *preferred_mode;
+ }
+ break;
+ }
+
+ }
+}
+
+static struct drm_display_mode *amdgpu_dm_create_common_mode(
+ struct drm_encoder *encoder, char *name,
+ int hdisplay, int vdisplay)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct drm_display_mode *mode = NULL;
+ struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
+
+ mode = drm_mode_duplicate(dev, native_mode);
+
+ if(mode == NULL)
+ return NULL;
+
+ mode->hdisplay = hdisplay;
+ mode->vdisplay = vdisplay;
+ mode->type &= ~DRM_MODE_TYPE_PREFERRED;
+ strncpy(mode->name, name, DRM_DISPLAY_MODE_LEN);
+
+ return mode;
+
+}
+
+static void amdgpu_dm_connector_add_common_modes(struct drm_encoder *encoder,
+ struct drm_connector *connector)
+{
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct drm_display_mode *mode = NULL;
+ struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
+ struct amdgpu_connector *amdgpu_connector =
+ to_amdgpu_connector(connector);
+ int i;
+ int n;
+ struct mode_size {
+ char name[DRM_DISPLAY_MODE_LEN];
+ int w;
+ int h;
+ }common_modes[] = {
+ { "640x480", 640, 480},
+ { "800x600", 800, 600},
+ { "1024x768", 1024, 768},
+ { "1280x720", 1280, 720},
+ { "1280x800", 1280, 800},
+ {"1280x1024", 1280, 1024},
+ { "1440x900", 1440, 900},
+ {"1680x1050", 1680, 1050},
+ {"1600x1200", 1600, 1200},
+ {"1920x1080", 1920, 1080},
+ {"1920x1200", 1920, 1200}
+ };
+
+ n = sizeof(common_modes) / sizeof(common_modes[0]);
+
+ for (i = 0; i < n; i++) {
+ struct drm_display_mode *curmode = NULL;
+ bool mode_existed = false;
+
+ if (common_modes[i].w > native_mode->hdisplay ||
+ common_modes[i].h > native_mode->vdisplay ||
+ (common_modes[i].w == native_mode->hdisplay &&
+ common_modes[i].h == native_mode->vdisplay))
+ continue;
+
+ list_for_each_entry(curmode, &connector->probed_modes, head) {
+ if (common_modes[i].w == curmode->hdisplay &&
+ common_modes[i].h == curmode->vdisplay) {
+ mode_existed = true;
+ break;
+ }
+ }
+
+ if (mode_existed)
+ continue;
+
+ mode = amdgpu_dm_create_common_mode(encoder,
+ common_modes[i].name, common_modes[i].w,
+ common_modes[i].h);
+ drm_mode_probed_add(connector, mode);
+ amdgpu_connector->num_modes++;
+ }
+}
+
+static void amdgpu_dm_connector_ddc_get_modes(
+ struct drm_connector *connector,
+ struct edid *edid)
+{
+ struct amdgpu_connector *amdgpu_connector =
+ to_amdgpu_connector(connector);
+
+ if (edid) {
+ /* empty probed_modes */
+ INIT_LIST_HEAD(&connector->probed_modes);
+ amdgpu_connector->num_modes =
+ drm_add_edid_modes(connector, edid);
+
+ drm_edid_to_eld(connector, edid);
+
+ amdgpu_dm_get_native_mode(connector);
+ } else
+ amdgpu_connector->num_modes = 0;
+}
+
+int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
+{
+ const struct drm_connector_helper_funcs *helper =
+ connector->helper_private;
+ struct amdgpu_connector *amdgpu_connector =
+ to_amdgpu_connector(connector);
+ struct drm_encoder *encoder;
+ struct edid *edid = amdgpu_connector->edid;
+
+ encoder = helper->best_encoder(connector);
+
+ amdgpu_dm_connector_ddc_get_modes(connector, edid);
+ amdgpu_dm_connector_add_common_modes(encoder, connector);
+ return amdgpu_connector->num_modes;
+}
+
+void amdgpu_dm_connector_init_helper(
+ struct amdgpu_display_manager *dm,
+ struct amdgpu_connector *aconnector,
+ int connector_type,
+ const struct dc_link *link,
+ int link_index)
+{
+ struct amdgpu_device *adev = dm->ddev->dev_private;
+
+ aconnector->connector_id = link_index;
+ aconnector->dc_link = link;
+ aconnector->base.interlace_allowed = true;
+ aconnector->base.doublescan_allowed = true;
+ aconnector->base.dpms = DRM_MODE_DPMS_OFF;
+ aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */
+
+ /*configure suport HPD hot plug connector_>polled default value is 0
+ * which means HPD hot plug not supported*/
+ switch (connector_type) {
+ case DRM_MODE_CONNECTOR_HDMIA:
+ aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
+ break;
+ case DRM_MODE_CONNECTOR_DisplayPort:
+ aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
+ break;
+ case DRM_MODE_CONNECTOR_DVID:
+ aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
+ break;
+ default:
+ break;
+ }
+
+ drm_object_attach_property(&aconnector->base.base,
+ dm->ddev->mode_config.scaling_mode_property,
+ DRM_MODE_SCALE_NONE);
+
+ drm_object_attach_property(&aconnector->base.base,
+ adev->mode_info.underscan_property,
+ UNDERSCAN_OFF);
+ drm_object_attach_property(&aconnector->base.base,
+ adev->mode_info.underscan_hborder_property,
+ 0);
+ drm_object_attach_property(&aconnector->base.base,
+ adev->mode_info.underscan_vborder_property,
+ 0);
+}
+
+int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap,
+ struct i2c_msg *msgs, int num)
+{
+ struct amdgpu_i2c_adapter *i2c = i2c_get_adapdata(i2c_adap);
+ struct i2c_command cmd;
+ int i;
+ int result = -EIO;
+
+ cmd.payloads = kzalloc(num * sizeof(struct i2c_payload), GFP_KERNEL);
+
+ if (!cmd.payloads)
+ return result;
+
+ cmd.number_of_payloads = num;
+ cmd.engine = I2C_COMMAND_ENGINE_DEFAULT;
+ cmd.speed = 100;
+
+ for (i = 0; i < num; i++) {
+ cmd.payloads[i].write = (msgs[i].flags & I2C_M_RD);
+ cmd.payloads[i].address = msgs[i].addr;
+ cmd.payloads[i].length = msgs[i].len;
+ cmd.payloads[i].data = msgs[i].buf;
+ }
+
+ if (dc_submit_i2c(i2c->dm->dc, i2c->link_index, &cmd))
+ result = num;
+
+ kfree(cmd.payloads);
+
+ return result;
+}
+
+u32 amdgpu_dm_i2c_func(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+}
+
+static const struct i2c_algorithm amdgpu_dm_i2c_algo = {
+ .master_xfer = amdgpu_dm_i2c_xfer,
+ .functionality = amdgpu_dm_i2c_func,
+};
+
+struct amdgpu_i2c_adapter *create_i2c(unsigned int link_index, struct amdgpu_display_manager *dm, int *res)
+{
+ struct amdgpu_i2c_adapter *i2c;
+
+ i2c = kzalloc(sizeof (struct amdgpu_i2c_adapter), GFP_KERNEL);
+ i2c->dm = dm;
+ i2c->base.owner = THIS_MODULE;
+ i2c->base.class = I2C_CLASS_DDC;
+ i2c->base.dev.parent = &dm->adev->pdev->dev;
+ i2c->base.algo = &amdgpu_dm_i2c_algo;
+ snprintf(i2c->base.name, sizeof (i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index);
+ i2c->link_index = link_index;
+ i2c_set_adapdata(&i2c->base, i2c);
+
+ return i2c;
+}
+
+/* Note: this function assumes that dc_link_detect() was called for the
+ * dc_link which will be represented by this aconnector. */
+int amdgpu_dm_connector_init(
+ struct amdgpu_display_manager *dm,
+ struct amdgpu_connector *aconnector,
+ uint32_t link_index,
+ struct amdgpu_encoder *aencoder)
+{
+ int res = 0;
+ int connector_type;
+ struct dc *dc = dm->dc;
+ const struct dc_link *link = dc_get_link_at_index(dc, link_index);
+ struct amdgpu_i2c_adapter *i2c;
+
+ DRM_DEBUG_KMS("%s()\n", __func__);
+
+ i2c = create_i2c(link->link_index, dm, &res);
+ aconnector->i2c = i2c;
+ res = i2c_add_adapter(&i2c->base);
+
+ if (res) {
+ DRM_ERROR("Failed to register hw i2c %d\n", link->link_index);
+ goto out_free;
+ }
+
+ connector_type = to_drm_connector_type(link->connector_signal);
+
+ res = drm_connector_init(
+ dm->ddev,
+ &aconnector->base,
+ &amdgpu_dm_connector_funcs,
+ connector_type);
+
+ if (res) {
+ DRM_ERROR("connector_init failed\n");
+ aconnector->connector_id = -1;
+ goto out_free;
+ }
+
+ drm_connector_helper_add(
+ &aconnector->base,
+ &amdgpu_dm_connector_helper_funcs);
+
+ amdgpu_dm_connector_init_helper(
+ dm,
+ aconnector,
+ connector_type,
+ link,
+ link_index);
+
+ drm_mode_connector_attach_encoder(
+ &aconnector->base, &aencoder->base);
+
+ drm_connector_register(&aconnector->base);
+
+ if (connector_type == DRM_MODE_CONNECTOR_DisplayPort
+ || connector_type == DRM_MODE_CONNECTOR_eDP)
+ amdgpu_dm_initialize_mst_connector(dm, aconnector);
+
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
+ defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+
+ /* NOTE: this currently will create backlight device even if a panel
+ * is not connected to the eDP/LVDS connector.
+ *
+ * This is less than ideal but we don't have sink information at this
+ * stage since detection happens after. We can't do detection earlier
+ * since MST detection needs connectors to be created first.
+ */
+ if (link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) {
+ /* Event if registration failed, we should continue with
+ * DM initialization because not having a backlight control
+ * is better then a black screen. */
+ amdgpu_dm_register_backlight_device(dm);
+
+ if (dm->backlight_dev)
+ dm->backlight_link = link;
+ }
+#endif
+
+out_free:
+ if (res) {
+ kfree(i2c);
+ aconnector->i2c = NULL;
+ }
+ return res;
+}
+
+int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev)
+{
+ switch (adev->mode_info.num_crtc) {
+ case 1:
+ return 0x1;
+ case 2:
+ return 0x3;
+ case 3:
+ return 0x7;
+ case 4:
+ return 0xf;
+ case 5:
+ return 0x1f;
+ case 6:
+ default:
+ return 0x3f;
+ }
+}
+
+int amdgpu_dm_encoder_init(
+ struct drm_device *dev,
+ struct amdgpu_encoder *aencoder,
+ uint32_t link_index)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+
+ int res = drm_encoder_init(dev,
+ &aencoder->base,
+ &amdgpu_dm_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS,
+ NULL);
+
+ aencoder->base.possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev);
+
+ if (!res)
+ aencoder->encoder_id = link_index;
+ else
+ aencoder->encoder_id = -1;
+
+ drm_encoder_helper_add(&aencoder->base, &amdgpu_dm_encoder_helper_funcs);
+
+ return res;
+}
+
+enum dm_commit_action {
+ DM_COMMIT_ACTION_NOTHING,
+ DM_COMMIT_ACTION_RESET,
+ DM_COMMIT_ACTION_DPMS_ON,
+ DM_COMMIT_ACTION_DPMS_OFF,
+ DM_COMMIT_ACTION_SET
+};
+
+static enum dm_commit_action get_dm_commit_action(struct drm_crtc_state *state)
+{
+ /* mode changed means either actually mode changed or enabled changed */
+ /* active changed means dpms changed */
+ if (state->mode_changed) {
+ /* if it is got disabled - call reset mode */
+ if (!state->enable)
+ return DM_COMMIT_ACTION_RESET;
+
+ if (state->active)
+ return DM_COMMIT_ACTION_SET;
+ else
+ return DM_COMMIT_ACTION_RESET;
+ } else {
+ /* ! mode_changed */
+
+ /* if it is remain disable - skip it */
+ if (!state->enable)
+ return DM_COMMIT_ACTION_NOTHING;
+
+ if (state->active_changed) {
+ if (state->active) {
+ return DM_COMMIT_ACTION_DPMS_ON;
+ } else {
+ return DM_COMMIT_ACTION_DPMS_OFF;
+ }
+ } else {
+ /* ! active_changed */
+ return DM_COMMIT_ACTION_NOTHING;
+ }
+ }
+}
+
+static void manage_dm_interrupts(
+ struct amdgpu_device *adev,
+ struct amdgpu_crtc *acrtc,
+ bool enable)
+{
+ /*
+ * this is not correct translation but will work as soon as VBLANK
+ * constant is the same as PFLIP
+ */
+ int irq_type =
+ amdgpu_crtc_idx_to_irq_type(
+ adev,
+ acrtc->crtc_id);
+
+ if (enable) {
+ drm_crtc_vblank_on(&acrtc->base);
+ amdgpu_irq_get(
+ adev,
+ &adev->pageflip_irq,
+ irq_type);
+ } else {
+ unsigned long flags;
+ amdgpu_irq_put(
+ adev,
+ &adev->pageflip_irq,
+ irq_type);
+ drm_crtc_vblank_off(&acrtc->base);
+
+ /*
+ * should be called here, to guarantee no works left in queue.
+ * As this function sleeps it was bug to call it inside the
+ * amdgpu_dm_flip_cleanup function under locked event_lock
+ */
+ if (acrtc->pflip_works) {
+ flush_work(&acrtc->pflip_works->flip_work);
+ flush_work(&acrtc->pflip_works->unpin_work);
+ }
+
+ /*
+ * TODO: once Vitaly's change to adjust locking in
+ * page_flip_work_func is submitted to base driver move
+ * lock and check to amdgpu_dm_flip_cleanup function
+ */
+
+ spin_lock_irqsave(&adev->ddev->event_lock, flags);
+ if (acrtc->pflip_status != AMDGPU_FLIP_NONE) {
+ /*
+ * this is the case when on reset, last pending pflip
+ * interrupt did not not occur. Clean-up
+ */
+ amdgpu_dm_flip_cleanup(adev, acrtc);
+ }
+ spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
+ }
+}
+
+/*
+ * Handle headless hotplug workaround
+ *
+ * In case of headless hotplug, if plugging the same monitor to the same
+ * DDI, DRM consider it as mode unchanged. We should check whether the
+ * sink pointer changed, and set mode_changed properly to
+ * make sure commit is doing everything.
+ */
+static void handle_headless_hotplug(
+ const struct amdgpu_crtc *acrtc,
+ struct drm_crtc_state *state,
+ struct amdgpu_connector **aconnector)
+{
+ struct amdgpu_connector *old_connector =
+ aconnector_from_drm_crtc_id(&acrtc->base);
+
+ /*
+ * TODO Revisit this. This code is kinda hacky and might break things.
+ */
+
+ if (!old_connector)
+ return;
+
+ if (!*aconnector)
+ *aconnector = old_connector;
+
+ if (acrtc->target && (*aconnector)->dc_sink) {
+ if ((*aconnector)->dc_sink !=
+ acrtc->target->streams[0]->sink) {
+ state->mode_changed = true;
+ }
+ }
+
+ if (!acrtc->target) {
+ /* In case of headless with DPMS on, when system waked up,
+ * if no monitor connected, target is null and will not create
+ * new target, on that condition, we should check
+ * if any connector is connected, if connected,
+ * it means a hot plug happened after wake up,
+ * mode_changed should be set to true to make sure
+ * commit targets will do everything.
+ */
+ state->mode_changed =
+ (*aconnector)->base.status ==
+ connector_status_connected;
+ } else {
+ /* In case of headless hotplug, if plug same monitor to same
+ * DDI, DRM consider it as mode unchanged, we should check
+ * sink pointer changed, and set mode changed properly to
+ * make sure commit doing everything.
+ */
+ /* check if sink has changed from last commit */
+ if ((*aconnector)->dc_sink && (*aconnector)->dc_sink !=
+ acrtc->target->streams[0]->sink)
+ state->mode_changed = true;
+ }
+}
+
+int amdgpu_dm_atomic_commit(
+ struct drm_device *dev,
+ struct drm_atomic_state *state,
+ bool async)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+ struct amdgpu_display_manager *dm = &adev->dm;
+ struct drm_plane *plane;
+ struct drm_plane_state *old_plane_state;
+ uint32_t i, j;
+ int32_t ret;
+ uint32_t commit_targets_count = 0;
+ uint32_t new_crtcs_count = 0;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *old_crtc_state;
+
+ struct dc_target *commit_targets[DAL_MAX_CONTROLLERS];
+ struct amdgpu_crtc *new_crtcs[DAL_MAX_CONTROLLERS];
+
+ /* In this step all new fb would be pinned */
+
+ ret = drm_atomic_helper_prepare_planes(dev, state);
+ if (ret)
+ return ret;
+
+ /*
+ * This is the point of no return - everything below never fails except
+ * when the hw goes bonghits. Which means we can commit the new state on
+ * the software side now.
+ */
+
+ drm_atomic_helper_swap_state(dev, state);
+
+ /*
+ * From this point state become old state really. New state is
+ * initialized to appropriate objects and could be accessed from there
+ */
+
+ /*
+ * there is no fences usage yet in state. We can skip the following line
+ * wait_for_fences(dev, state);
+ */
+
+ drm_atomic_helper_update_legacy_modeset_state(dev, state);
+
+ /* update changed items */
+ for_each_crtc_in_state(state, crtc, old_crtc_state, i) {
+ struct amdgpu_crtc *acrtc;
+ struct amdgpu_connector *aconnector = NULL;
+ enum dm_commit_action action;
+ struct drm_crtc_state *new_state = crtc->state;
+ struct drm_connector *connector;
+ struct drm_connector_state *old_con_state;
+
+ acrtc = to_amdgpu_crtc(crtc);
+
+ for_each_connector_in_state(
+ state,
+ connector,
+ old_con_state,
+ j) {
+ if (connector->state->crtc == crtc) {
+ aconnector = to_amdgpu_connector(connector);
+ break;
+ }
+ }
+
+ /* handles headless hotplug case, updating new_state and
+ * aconnector as needed
+ */
+ handle_headless_hotplug(acrtc, new_state, &aconnector);
+
+ action = get_dm_commit_action(new_state);
+
+ switch (action) {
+ case DM_COMMIT_ACTION_DPMS_ON:
+ case DM_COMMIT_ACTION_SET: {
+ struct dc_target *new_target =
+ create_target_for_sink(
+ aconnector,
+ &crtc->state->mode);
+
+ DRM_DEBUG_KMS("Atomic commit: SET.\n");
+
+ if (!new_target) {
+ /*
+ * this could happen because of issues with
+ * userspace notifications delivery.
+ * In this case userspace tries to set mode on
+ * display which is disconnect in fact.
+ * dc_sink in NULL in this case on aconnector.
+ * We expect reset mode will come soon.
+ *
+ * This can also happen when unplug is done
+ * during resume sequence ended
+ */
+ new_state->planes_changed = false;
+ DRM_DEBUG_KMS("%s: Failed to create new target for crtc %d\n",
+ __func__, acrtc->base.base.id);
+ break;
+ }
+
+ if (acrtc->target) {
+ /*
+ * we evade vblanks and pflips on crtc that
+ * should be changed
+ */
+ manage_dm_interrupts(adev, acrtc, false);
+ /* this is the update mode case */
+ dc_target_release(acrtc->target);
+ acrtc->target = NULL;
+ }
+
+ /*
+ * this loop saves set mode crtcs
+ * we needed to enable vblanks once all
+ * resources acquired in dc after dc_commit_targets
+ */
+ new_crtcs[new_crtcs_count] = acrtc;
+ new_crtcs_count++;
+
+ acrtc->target = new_target;
+ acrtc->enabled = true;
+
+ break;
+ }
+
+ case DM_COMMIT_ACTION_NOTHING:
+ break;
+
+ case DM_COMMIT_ACTION_DPMS_OFF:
+ case DM_COMMIT_ACTION_RESET:
+ DRM_DEBUG_KMS("Atomic commit: RESET.\n");
+ /* i.e. reset mode */
+ if (acrtc->target) {
+ manage_dm_interrupts(adev, acrtc, false);
+
+ dc_target_release(acrtc->target);
+ acrtc->target = NULL;
+ acrtc->enabled = false;
+ }
+ break;
+ } /* switch() */
+ } /* for_each_crtc_in_state() */
+
+ commit_targets_count = 0;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+
+ struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
+
+ if (acrtc->target) {
+ commit_targets[commit_targets_count] = acrtc->target;
+ ++commit_targets_count;
+ }
+ }
+
+ /* DC is optimized not to do anything if 'targets' didn't change. */
+ dc_commit_targets(dm->dc, commit_targets, commit_targets_count);
+
+ /* update planes when needed */
+ for_each_plane_in_state(state, plane, old_plane_state, i) {
+ struct drm_plane_state *plane_state = plane->state;
+ struct drm_crtc *crtc = plane_state->crtc;
+ struct drm_framebuffer *fb = plane_state->fb;
+ struct drm_connector *connector;
+ struct dm_connector_state *dm_state = NULL;
+ enum dm_commit_action action;
+
+ if (!fb || !crtc || !crtc->state->planes_changed ||
+ !crtc->state->active)
+ continue;
+
+ action = get_dm_commit_action(crtc->state);
+
+ /* Surfaces are created under two scenarios:
+ * 1. This commit is not a page flip.
+ * 2. This commit is a page flip, and targets are created.
+ */
+ if (!page_flip_needed(plane_state, old_plane_state) ||
+ action == DM_COMMIT_ACTION_DPMS_ON ||
+ action == DM_COMMIT_ACTION_SET) {
+ list_for_each_entry(connector,
+ &dev->mode_config.connector_list, head) {
+ if (connector->state->crtc == crtc) {
+ dm_state = to_dm_connector_state(
+ connector->state);
+ break;
+ }
+ }
+
+ /*
+ * This situation happens in the following case:
+ * we are about to get set mode for connector who's only
+ * possible crtc (in encoder crtc mask) is used by
+ * another connector, that is why it will try to
+ * re-assing crtcs in order to make configuration
+ * supported. For our implementation we need to make all
+ * encoders support all crtcs, then this issue will
+ * never arise again. But to guard code from this issue
+ * check is left.
+ *
+ * Also it should be needed when used with actual
+ * drm_atomic_commit ioctl in future
+ */
+ if (!dm_state)
+ continue;
+
+ dm_dc_surface_commit(
+ dm->dc,
+ crtc,
+ dm_state);
+ }
+ }
+
+ for (i = 0; i < new_crtcs_count; i++) {
+ /*
+ * loop to enable interrupts on newly arrived crtc
+ */
+ struct amdgpu_crtc *acrtc = new_crtcs[i];
+
+ manage_dm_interrupts(adev, acrtc, true);
+ dm_crtc_cursor_reset(&acrtc->base);
+
+ }
+
+ /* Page flip if needed */
+ for_each_plane_in_state(state, plane, old_plane_state, i) {
+ struct drm_plane_state *plane_state = plane->state;
+ struct drm_crtc *crtc = plane_state->crtc;
+ struct drm_framebuffer *fb = plane_state->fb;
+
+ if (!fb || !crtc || !crtc->state->planes_changed ||
+ !crtc->state->active)
+ continue;
+
+ if (page_flip_needed(plane_state, old_plane_state))
+ amdgpu_crtc_page_flip(
+ crtc,
+ fb,
+ crtc->state->event,
+ 0);
+ }
+
+ drm_atomic_helper_wait_for_vblanks(dev, state);
+
+ /* In this state all old framebuffers would be unpinned */
+
+ drm_atomic_helper_cleanup_planes(dev, state);
+
+ drm_atomic_state_free(state);
+
+ return 0;
+}
+
+static uint32_t add_val_sets_surface(
+ struct dc_validation_set *val_sets,
+ uint32_t set_count,
+ const struct dc_target *target,
+ const struct dc_surface *surface)
+{
+ uint32_t i = 0;
+
+ while (i < set_count) {
+ if (val_sets[i].target == target)
+ break;
+ ++i;
+ }
+
+ val_sets[i].surfaces[val_sets[i].surface_count] = surface;
+ val_sets[i].surface_count++;
+
+ return val_sets[i].surface_count;
+}
+
+static uint32_t update_in_val_sets_target(
+ struct dc_validation_set *val_sets,
+ uint32_t set_count,
+ const struct dc_target *old_target,
+ const struct dc_target *new_target)
+{
+ uint32_t i = 0;
+
+ while (i < set_count) {
+ if (val_sets[i].target == old_target)
+ break;
+ ++i;
+ }
+
+ val_sets[i].target = new_target;
+
+ if (i == set_count) {
+ /* nothing found. add new one to the end */
+ return set_count + 1;
+ }
+
+ return set_count;
+}
+
+static uint32_t remove_from_val_sets(
+ struct dc_validation_set *val_sets,
+ uint32_t set_count,
+ const struct dc_target *target)
+{
+ uint32_t i = 0;
+
+ while (i < set_count) {
+ if (val_sets[i].target == target)
+ break;
+ ++i;
+ }
+
+ if (i == set_count) {
+ /* nothing found */
+ return set_count;
+ }
+
+ memmove(
+ &val_sets[i],
+ &val_sets[i + 1],
+ sizeof(struct dc_validation_set *) * (set_count - i - 1));
+
+ return set_count - 1;
+}
+
+int amdgpu_dm_atomic_check(struct drm_device *dev,
+ struct drm_atomic_state *state)
+{
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *crtc_state;
+ struct drm_plane *plane;
+ struct drm_plane_state *plane_state;
+ int i;
+ int j;
+ int ret;
+ int set_count;
+ int new_target_count;
+ struct dc_validation_set set[MAX_TARGET_NUM] = {{ 0 }};
+ struct dc_target *new_targets[MAX_TARGET_NUM] = { 0 };
+ struct amdgpu_device *adev = dev->dev_private;
+ struct dc *dc = adev->dm.dc;
+ bool need_to_validate = false;
+
+ ret = drm_atomic_helper_check(dev, state);
+
+ if (ret) {
+ DRM_ERROR("Atomic state validation failed with error :%d !\n",
+ ret);
+ return ret;
+ }
+
+ ret = -EINVAL;
+
+ /* copy existing configuration */
+ new_target_count = 0;
+ set_count = 0;
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+
+ struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
+
+ if (acrtc->target) {
+ set[set_count].target = acrtc->target;
+ ++set_count;
+ }
+ }
+
+ /* update changed items */
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
+ struct amdgpu_crtc *acrtc = NULL;
+ struct amdgpu_connector *aconnector = NULL;
+ enum dm_commit_action action;
+ struct drm_connector *connector;
+ struct drm_connector_state *con_state;
+
+ acrtc = to_amdgpu_crtc(crtc);
+
+ for_each_connector_in_state(state, connector, con_state, j) {
+ if (con_state->crtc == crtc) {
+ aconnector = to_amdgpu_connector(connector);
+ break;
+ }
+ }
+
+ /*TODO:
+ handle_headless_hotplug(acrtc, crtc_state, &aconnector);*/
+
+ action = get_dm_commit_action(crtc_state);
+
+ switch (action) {
+ case DM_COMMIT_ACTION_DPMS_ON:
+ case DM_COMMIT_ACTION_SET: {
+ struct drm_display_mode mode = crtc_state->mode;
+ struct dc_target *new_target = NULL;
+
+ if (!aconnector) {
+ DRM_ERROR(
+ "%s: Can't find connector for crtc %d\n",
+ __func__,
+ acrtc->crtc_id);
+ goto connector_not_found;
+ }
+
+ new_target =
+ create_target_for_sink(
+ aconnector,
+ &mode);
+
+ /*
+ * we can have no target on ACTION_SET if a display
+ * was disconnected during S3, in this case it not and
+ * error, the OS will be updated after detection, and
+ * do the right thing on next atomic commit
+ */
+ if (!new_target) {
+ DRM_DEBUG_KMS("%s: Failed to create new target for crtc %d\n",
+ __func__, acrtc->base.base.id);
+ break;
+ }
+
+ new_targets[new_target_count] = new_target;
+
+ set_count = update_in_val_sets_target(
+ set,
+ set_count,
+ acrtc->target,
+ new_target);
+ new_target_count++;
+ need_to_validate = true;
+ break;
+ }
+
+ case DM_COMMIT_ACTION_NOTHING:
+ break;
+ case DM_COMMIT_ACTION_DPMS_OFF:
+ case DM_COMMIT_ACTION_RESET:
+ /* i.e. reset mode */
+ if (acrtc->target) {
+ set_count = remove_from_val_sets(
+ set,
+ set_count,
+ acrtc->target);
+ }
+ break;
+ }
+ }
+
+
+ for (i = 0; i < set_count; i++) {
+ for_each_plane_in_state(state, plane, plane_state, j) {
+ struct drm_plane_state *old_plane_state = plane->state;
+ struct drm_framebuffer *fb = plane_state->fb;
+ struct drm_crtc *crtc = plane_state->crtc;
+ struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
+
+ if (!fb || acrtc->target != set[i].target)
+ continue;
+
+ if (!crtc->state->planes_changed)
+ continue;
+
+ if (!page_flip_needed(plane_state, old_plane_state)) {
+ struct dc_surface *surface =
+ dc_create_surface(dc);
+
+ fill_plane_attributes(
+ surface,
+ plane_state);
+
+ add_val_sets_surface(
+ set,
+ set_count,
+ acrtc->target,
+ surface);
+ need_to_validate = true;
+ }
+ }
+
+ }
+
+ if (need_to_validate == false || set_count == 0
+ || dc_validate_resources(dc, set, set_count))
+ ret = 0;
+
+connector_not_found:
+ for (i = 0; i < set_count; i++) {
+ for (j = 0; j < set[i].surface_count; j++) {
+ dc_surface_release(set[i].surfaces[j]);
+ }
+ }
+ for (i = 0; i < new_target_count; i++)
+ dc_target_release(new_targets[i]);
+
+ if (ret != 0)
+ DRM_ERROR("Atomic check failed.\n");
+
+ return ret;
+}
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.h b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.h
new file mode 100644
index 000000000000..0481075de6e9
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2012-13 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+
+#ifndef __AMDGPU_DM_TYPES_H__
+#define __AMDGPU_DM_TYPES_H__
+
+#include <drm/drmP.h>
+
+struct amdgpu_framebuffer;
+struct amdgpu_display_manager;
+struct dc_validation_set;
+struct dc_surface;
+
+/*TODO Jodan Hersen use the one in amdgpu_dm*/
+int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
+ struct amdgpu_crtc *amdgpu_crtc,
+ uint32_t link_index);
+int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
+ struct amdgpu_connector *amdgpu_connector,
+ uint32_t link_index,
+ struct amdgpu_encoder *amdgpu_encoder);
+int amdgpu_dm_encoder_init(
+ struct drm_device *dev,
+ struct amdgpu_encoder *aencoder,
+ uint32_t link_index);
+
+void amdgpu_dm_crtc_destroy(struct drm_crtc *crtc);
+void amdgpu_dm_connector_destroy(struct drm_connector *connector);
+void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder);
+
+void dm_add_display_info(
+ struct drm_display_info *disp_info,
+ struct amdgpu_display_manager *dm,
+ uint32_t display_index);
+
+int amdgpu_dm_connector_get_modes(struct drm_connector *connector);
+
+int amdgpu_dm_atomic_commit(
+ struct drm_device *dev,
+ struct drm_atomic_state *state,
+ bool async);
+int amdgpu_dm_atomic_check(struct drm_device *dev,
+ struct drm_atomic_state *state);
+
+int dm_create_validation_set_for_target(
+ struct drm_connector *connector,
+ struct drm_display_mode *mode,
+ struct dc_validation_set *val_set);
+
+void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector);
+struct drm_connector_state *amdgpu_dm_connector_atomic_duplicate_state(
+ struct drm_connector *connector);
+void amdgpu_dm_connector_atomic_destroy_state(
+ struct drm_connector *connector,
+ struct drm_connector_state *state);
+int amdgpu_dm_connector_atomic_set_property(
+ struct drm_connector *connector,
+ struct drm_connector_state *state,
+ struct drm_property *property,
+ uint64_t val);
+
+int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev);
+
+void amdgpu_dm_connector_init_helper(
+ struct amdgpu_display_manager *dm,
+ struct amdgpu_connector *aconnector,
+ int connector_type,
+ const struct dc_link *link,
+ int link_index);
+
+int amdgpu_dm_connector_mode_valid(
+ struct drm_connector *connector,
+ struct drm_display_mode *mode);
+
+extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs;
+
+#endif /* __AMDGPU_DM_TYPES_H__ */
diff --git a/drivers/gpu/drm/amd/dal/dc/dm_services.h b/drivers/gpu/drm/amd/dal/dc/dm_services.h
index 206c0b7df7c6..47bbb9e6e060 100644
--- a/drivers/gpu/drm/amd/dal/dc/dm_services.h
+++ b/drivers/gpu/drm/amd/dal/dc/dm_services.h
@@ -166,19 +166,7 @@ bool dm_exec_bios_cmd_table(
uint32_t index,
void *params);
-#ifdef BUILD_DAL_TEST
-uint32_t dm_bios_cmd_table_para_revision(
-struct dc_context *ctx,
- uint32_t index);
-bool dm_bios_cmd_table_revision(
- struct dc_context *ctx,
- uint32_t index,
- uint8_t *frev,
- uint8_t *crev);
-#endif
-
-#ifndef BUILD_DAL_TEST
static inline uint32_t dm_bios_cmd_table_para_revision(
struct dc_context *ctx,
uint32_t index)
@@ -195,11 +183,6 @@ static inline uint32_t dm_bios_cmd_table_para_revision(
return crev;
}
-#else
-uint32_t dm_bios_cmd_table_para_revision(
- struct dc_context *ctx,
- uint32_t index);
-#endif
/**************************************
* Power Play (PP) interfaces
--
2.5.0
More information about the dri-devel
mailing list