[PATCH 02/16] Revert "drm/amd: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()"
Sean Paul
sean at poorly.run
Sat Oct 2 15:45:28 UTC 2021
From: Sean Paul <seanpaul at chromium.org>
This reverts commit 299f040e855b69c29522cde446777902381a07f5.
This patchset breaks on intel platforms and was previously NACK'd by
Ville.
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Fernando Ramos <greenfoo at u92.eu>
Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 21 +++-----
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 50 +++++++++----------
.../amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 25 ++++------
3 files changed, 43 insertions(+), 53 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index b07e845a2600..7a7316731911 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -40,7 +40,6 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_vblank.h>
-#include <drm/drm_drv.h>
static void amdgpu_display_flip_callback(struct dma_fence *f,
struct dma_fence_cb *cb)
@@ -1544,21 +1543,16 @@ int amdgpu_display_suspend_helper(struct amdgpu_device *adev)
struct drm_crtc *crtc;
struct drm_connector *connector;
struct drm_connector_list_iter iter;
- struct drm_modeset_acquire_ctx ctx;
- int r, ret;
+ int r;
/* turn off display hw */
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
+ drm_modeset_lock_all(dev);
drm_connector_list_iter_begin(dev, &iter);
drm_for_each_connector_iter(connector, &iter)
drm_helper_connector_dpms(connector,
DRM_MODE_DPMS_OFF);
drm_connector_list_iter_end(&iter);
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
-
- if (ret)
- return ret;
-
+ drm_modeset_unlock_all(dev);
/* unpin the front buffers and cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
@@ -1596,8 +1590,7 @@ int amdgpu_display_resume_helper(struct amdgpu_device *adev)
struct drm_connector *connector;
struct drm_connector_list_iter iter;
struct drm_crtc *crtc;
- struct drm_modeset_acquire_ctx ctx;
- int r, ret;
+ int r;
/* pin cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@@ -1619,7 +1612,7 @@ int amdgpu_display_resume_helper(struct amdgpu_device *adev)
drm_helper_resume_force_mode(dev);
/* turn on display hw */
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
+ drm_modeset_lock_all(dev);
drm_connector_list_iter_begin(dev, &iter);
drm_for_each_connector_iter(connector, &iter)
@@ -1627,8 +1620,8 @@ int amdgpu_display_resume_helper(struct amdgpu_device *adev)
DRM_MODE_DPMS_ON);
drm_connector_list_iter_end(&iter);
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
+ drm_modeset_unlock_all(dev);
- return ret;
+ return 0;
}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 5196c1d26f87..9b1fc54555ee 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -80,7 +80,6 @@
#include <drm/drm_edid.h>
#include <drm/drm_vblank.h>
#include <drm/drm_audio_component.h>
-#include <drm/drm_drv.h>
#if defined(CONFIG_DRM_AMD_DC_DCN)
#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
@@ -2622,9 +2621,6 @@ static void handle_hpd_irq(void *param)
#ifdef CONFIG_DRM_AMD_DC_HDCP
struct dm_connector_state *dm_con_state = to_dm_connector_state(connector->state);
#endif
- struct drm_modeset_acquire_ctx ctx;
- int ret;
-
if (adev->dm.disable_hpd_irq)
return;
@@ -2650,6 +2646,14 @@ static void handle_hpd_irq(void *param)
if (aconnector->base.force && new_connection_type == dc_connection_none) {
emulated_link_detect(aconnector->dc_link);
+
+ drm_modeset_lock_all(dev);
+ dm_restore_drm_connector_state(dev, connector);
+ drm_modeset_unlock_all(dev);
+
+ if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
+ drm_kms_helper_hotplug_event(dev);
+
} else if (dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) {
if (new_connection_type == dc_connection_none &&
aconnector->dc_link->type == dc_connection_none)
@@ -2657,18 +2661,13 @@ static void handle_hpd_irq(void *param)
amdgpu_dm_update_connector_after_detect(aconnector);
- } else {
- goto out;
- }
-
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
- dm_restore_drm_connector_state(dev, connector);
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
-
- if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
- drm_kms_helper_hotplug_event(dev);
+ drm_modeset_lock_all(dev);
+ dm_restore_drm_connector_state(dev, connector);
+ drm_modeset_unlock_all(dev);
-out:
+ if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
+ drm_kms_helper_hotplug_event(dev);
+ }
mutex_unlock(&aconnector->hpd_lock);
}
@@ -2757,14 +2756,12 @@ static void handle_hpd_rx_irq(void *param)
struct drm_connector *connector = &aconnector->base;
struct drm_device *dev = connector->dev;
struct dc_link *dc_link = aconnector->dc_link;
- struct drm_modeset_acquire_ctx ctx;
bool is_mst_root_connector = aconnector->mst_mgr.mst_state;
bool result = false;
enum dc_connection_type new_connection_type = dc_connection_none;
struct amdgpu_device *adev = drm_to_adev(dev);
union hpd_irq_data hpd_irq_data;
bool lock_flag = 0;
- int ret;
memset(&hpd_irq_data, 0, sizeof(hpd_irq_data));
@@ -2831,6 +2828,12 @@ static void handle_hpd_rx_irq(void *param)
amdgpu_dm_update_connector_after_detect(aconnector);
+
+ drm_modeset_lock_all(dev);
+ dm_restore_drm_connector_state(dev, connector);
+ drm_modeset_unlock_all(dev);
+
+ drm_kms_helper_hotplug_event(dev);
} else if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {
if (aconnector->fake_enable)
@@ -2838,17 +2841,14 @@ static void handle_hpd_rx_irq(void *param)
amdgpu_dm_update_connector_after_detect(aconnector);
- } else {
- goto finish;
- }
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
- dm_restore_drm_connector_state(dev, connector);
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
+ drm_modeset_lock_all(dev);
+ dm_restore_drm_connector_state(dev, connector);
+ drm_modeset_unlock_all(dev);
- drm_kms_helper_hotplug_event(dev);
+ drm_kms_helper_hotplug_event(dev);
+ }
}
-finish:
#ifdef CONFIG_DRM_AMD_DC_HDCP
if (hpd_irq_data.bytes.device_service_irq.bits.CP_IRQ) {
if (adev->dm.hdcp_workqueue)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index fb7b56fa2673..87daa78a32b8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -24,7 +24,6 @@
*/
#include <linux/uaccess.h>
-#include <drm/drm_drv.h>
#include "dc.h"
#include "amdgpu.h"
@@ -1192,14 +1191,12 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf,
struct drm_connector *connector = &aconnector->base;
struct dc_link *link = NULL;
struct drm_device *dev = connector->dev;
- struct drm_modeset_acquire_ctx ctx;
enum dc_connection_type new_connection_type = dc_connection_none;
char *wr_buf = NULL;
uint32_t wr_buf_size = 42;
int max_param_num = 1;
long param[1] = {0};
uint8_t param_nums = 0;
- int ret;
if (!aconnector || !aconnector->dc_link)
return -EINVAL;
@@ -1239,6 +1236,12 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf,
goto unlock;
amdgpu_dm_update_connector_after_detect(aconnector);
+
+ drm_modeset_lock_all(dev);
+ dm_restore_drm_connector_state(dev, connector);
+ drm_modeset_unlock_all(dev);
+
+ drm_kms_helper_hotplug_event(dev);
} else if (param[0] == 0) {
if (!aconnector->dc_link)
goto unlock;
@@ -1256,18 +1259,12 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf,
amdgpu_dm_update_connector_after_detect(aconnector);
- } else {
- goto unlock;
- }
-
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
- dm_restore_drm_connector_state(dev, connector);
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
-
- if (ret)
- return ret;
+ drm_modeset_lock_all(dev);
+ dm_restore_drm_connector_state(dev, connector);
+ drm_modeset_unlock_all(dev);
- drm_kms_helper_hotplug_event(dev);
+ drm_kms_helper_hotplug_event(dev);
+ }
unlock:
mutex_unlock(&aconnector->hpd_lock);
--
Sean Paul, Software Engineer, Google / Chromium OS
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