[PATCH 3/3] drm/amdgpu: separate amdgpu_rlc into a single file.
likun Gao
likun.gao at amd.com
Mon Nov 5 12:47:18 UTC 2018
From: Likun Gao <Likun.Gao at amd.com>
separate the function and struct of RLC from the file of GFX
Signed-off-by: Likun Gao <Likun.Gao at amd.com>
---
drivers/gpu/drm/amd/amdgpu/Makefile | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 202 +---------------------------
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | 70 +---------
drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c | 228 ++++++++++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h | 98 ++++++++++++++
5 files changed, 329 insertions(+), 270 deletions(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index ec4a9d5..f76bcb9 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -105,6 +105,7 @@ amdgpu-y += \
# add GFX block
amdgpu-y += \
amdgpu_gfx.o \
+ amdgpu_rlc.o \
gfx_v8_0.o \
gfx_v9_0.o
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 7821768..6a70c0b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -22,10 +22,10 @@
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
-#include <linux/firmware.h>
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_gfx.h"
+#include "amdgpu_rlc.h"
/* delay 0.1 second to enable gfx off feature */
#define GFX_OFF_DELAY_ENABLE msecs_to_jiffies(100)
@@ -413,203 +413,3 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
mutex_unlock(&adev->gfx.gfx_off_mutex);
}
-
-void amdgpu_gfx_rlc_enter_safe_mode(struct amdgpu_device *adev)
-{
- if (adev->gfx.rlc.in_safe_mode)
- return;
-
- /* if RLC is not enabled, do nothing */
- if (!adev->gfx.rlc.funcs->is_rlc_enabled(adev))
- return;
-
- if (adev->cg_flags &
- (AMD_CG_SUPPORT_GFX_CGCG | AMD_CG_SUPPORT_GFX_MGCG |
- AMD_CG_SUPPORT_GFX_3D_CGCG)) {
- adev->gfx.rlc.funcs->set_safe_mode(adev);
- adev->gfx.rlc.in_safe_mode = true;
- }
-}
-
-void amdgpu_gfx_rlc_exit_safe_mode(struct amdgpu_device *adev)
-{
- if (!(adev->gfx.rlc.in_safe_mode))
- return;
-
- /* if RLC is not enabled, do nothing */
- if (!adev->gfx.rlc.funcs->is_rlc_enabled(adev))
- return;
-
- if (adev->cg_flags &
- (AMD_CG_SUPPORT_GFX_CGCG | AMD_CG_SUPPORT_GFX_MGCG |
- AMD_CG_SUPPORT_GFX_3D_CGCG)) {
- adev->gfx.rlc.funcs->unset_safe_mode(adev);
- adev->gfx.rlc.in_safe_mode = false;
- }
-}
-
-int amdgpu_gfx_rlc_init_sr(struct amdgpu_device *adev, u32 dws)
-{
- const u32 *src_ptr;
- volatile u32 *dst_ptr;
- u32 i;
- int r;
-
- /* allocate save restore block */
- r = amdgpu_bo_create_reserved(adev, dws * 4, PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_VRAM,
- &adev->gfx.rlc.save_restore_obj,
- &adev->gfx.rlc.save_restore_gpu_addr,
- (void **)&adev->gfx.rlc.sr_ptr);
- if (r) {
- dev_warn(adev->dev, "(%d) create RLC sr bo failed\n", r);
- amdgpu_gfx_rlc_fini(adev);
- return r;
- }
-
- /* write the sr buffer */
- src_ptr = adev->gfx.rlc.reg_list;
- dst_ptr = adev->gfx.rlc.sr_ptr;
- for (i = 0; i < adev->gfx.rlc.reg_list_size; i++)
- dst_ptr[i] = cpu_to_le32(src_ptr[i]);
- amdgpu_bo_kunmap(adev->gfx.rlc.save_restore_obj);
- amdgpu_bo_unreserve(adev->gfx.rlc.save_restore_obj);
-
- return 0;
-}
-
-int amdgpu_gfx_rlc_init_csb(struct amdgpu_device *adev)
-{
- volatile u32 *dst_ptr;
- u32 dws;
- int r;
-
- /* allocate clear state block */
- adev->gfx.rlc.clear_state_size = dws = adev->gfx.rlc.funcs->get_csb_size(adev);
- r = amdgpu_bo_create_reserved(adev, dws * 4, PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_VRAM,
- &adev->gfx.rlc.clear_state_obj,
- &adev->gfx.rlc.clear_state_gpu_addr,
- (void **)&adev->gfx.rlc.cs_ptr);
- if (r) {
- dev_err(adev->dev, "(%d) failed to create rlc csb bo\n", r);
- amdgpu_gfx_rlc_fini(adev);
- return r;
- }
-
- /* set up the cs buffer */
- dst_ptr = adev->gfx.rlc.cs_ptr;
- adev->gfx.rlc.funcs->get_csb_buffer(adev, dst_ptr);
- amdgpu_bo_kunmap(adev->gfx.rlc.clear_state_obj);
- amdgpu_bo_unpin(adev->gfx.rlc.clear_state_obj);
- amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj);
-
- return 0;
-}
-
-int amdgpu_gfx_rlc_init_cpt(struct amdgpu_device *adev)
-{
- int r;
-
- r = amdgpu_bo_create_reserved(adev, adev->gfx.rlc.cp_table_size,
- PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
- &adev->gfx.rlc.cp_table_obj,
- &adev->gfx.rlc.cp_table_gpu_addr,
- (void **)&adev->gfx.rlc.cp_table_ptr);
- if (r) {
- dev_err(adev->dev, "(%d) failed to create cp table bo\n", r);
- amdgpu_gfx_rlc_fini(adev);
- return r;
- }
-
- /* set up the cp table */
- amdgpu_gfx_rlc_init_cp_table(adev);
- amdgpu_bo_kunmap(adev->gfx.rlc.cp_table_obj);
- amdgpu_bo_unreserve(adev->gfx.rlc.cp_table_obj);
-
- return 0;
-}
-
-void amdgpu_gfx_rlc_init_cp_table(struct amdgpu_device *adev)
-{
- const __le32 *fw_data;
- volatile u32 *dst_ptr;
- int me, i, max_me;
- u32 bo_offset = 0;
- u32 table_offset, table_size;
-
- max_me = adev->gfx.rlc.funcs->get_cp_table_num(adev);
-
- /* write the cp table buffer */
- dst_ptr = adev->gfx.rlc.cp_table_ptr;
- for (me = 0; me < max_me; me++) {
- if (me == 0) {
- const struct gfx_firmware_header_v1_0 *hdr =
- (const struct gfx_firmware_header_v1_0 *)adev->gfx.ce_fw->data;
- fw_data = (const __le32 *)
- (adev->gfx.ce_fw->data +
- le32_to_cpu(hdr->header.ucode_array_offset_bytes));
- table_offset = le32_to_cpu(hdr->jt_offset);
- table_size = le32_to_cpu(hdr->jt_size);
- } else if (me == 1) {
- const struct gfx_firmware_header_v1_0 *hdr =
- (const struct gfx_firmware_header_v1_0 *)adev->gfx.pfp_fw->data;
- fw_data = (const __le32 *)
- (adev->gfx.pfp_fw->data +
- le32_to_cpu(hdr->header.ucode_array_offset_bytes));
- table_offset = le32_to_cpu(hdr->jt_offset);
- table_size = le32_to_cpu(hdr->jt_size);
- } else if (me == 2) {
- const struct gfx_firmware_header_v1_0 *hdr =
- (const struct gfx_firmware_header_v1_0 *)adev->gfx.me_fw->data;
- fw_data = (const __le32 *)
- (adev->gfx.me_fw->data +
- le32_to_cpu(hdr->header.ucode_array_offset_bytes));
- table_offset = le32_to_cpu(hdr->jt_offset);
- table_size = le32_to_cpu(hdr->jt_size);
- } else if (me == 3) {
- const struct gfx_firmware_header_v1_0 *hdr =
- (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data;
- fw_data = (const __le32 *)
- (adev->gfx.mec_fw->data +
- le32_to_cpu(hdr->header.ucode_array_offset_bytes));
- table_offset = le32_to_cpu(hdr->jt_offset);
- table_size = le32_to_cpu(hdr->jt_size);
- } else if (me == 4) {
- const struct gfx_firmware_header_v1_0 *hdr =
- (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec2_fw->data;
- fw_data = (const __le32 *)
- (adev->gfx.mec2_fw->data +
- le32_to_cpu(hdr->header.ucode_array_offset_bytes));
- table_offset = le32_to_cpu(hdr->jt_offset);
- table_size = le32_to_cpu(hdr->jt_size);
- }
-
- for (i = 0; i < table_size; i ++) {
- dst_ptr[bo_offset + i] =
- cpu_to_le32(le32_to_cpu(fw_data[table_offset + i]));
- }
-
- bo_offset += table_size;
- }
-}
-
-void amdgpu_gfx_rlc_fini(struct amdgpu_device *adev)
-{
- /* save restore block */
- if (adev->gfx.rlc.save_restore_obj) {
- amdgpu_bo_free_kernel(&adev->gfx.rlc.save_restore_obj,
- &adev->gfx.rlc.save_restore_gpu_addr,
- (void **)&adev->gfx.rlc.sr_ptr);
- }
-
- /* clear state block */
- amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj,
- &adev->gfx.rlc.clear_state_gpu_addr,
- (void **)&adev->gfx.rlc.cs_ptr);
-
- /* jump table block */
- amdgpu_bo_free_kernel(&adev->gfx.rlc.cp_table_obj,
- &adev->gfx.rlc.cp_table_gpu_addr,
- (void **)&adev->gfx.rlc.cp_table_ptr);
-}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
index 0435f66..f790e15 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
@@ -29,6 +29,7 @@
*/
#include "clearstate_defs.h"
#include "amdgpu_ring.h"
+#include "amdgpu_rlc.h"
/* GFX current status */
#define AMDGPU_GFX_NORMAL_MODE 0x00000000L
@@ -37,68 +38,6 @@
#define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L
#define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L
-
-struct amdgpu_rlc_funcs {
- bool (*is_rlc_enabled)(struct amdgpu_device *adev);
- void (*set_safe_mode)(struct amdgpu_device *adev);
- void (*unset_safe_mode)(struct amdgpu_device *adev);
- int (*init)(struct amdgpu_device *adev);
- u32 (*get_csb_size)(struct amdgpu_device *adev);
- void (*get_csb_buffer)(struct amdgpu_device *adev, volatile u32 *buffer);
- int (*get_cp_table_num)(struct amdgpu_device *adev);
- int (*resume)(struct amdgpu_device *adev);
- void (*stop)(struct amdgpu_device *adev);
- void (*reset)(struct amdgpu_device *adev);
- void (*start)(struct amdgpu_device *adev);
-};
-
-struct amdgpu_rlc {
- /* for power gating */
- struct amdgpu_bo *save_restore_obj;
- uint64_t save_restore_gpu_addr;
- volatile uint32_t *sr_ptr;
- const u32 *reg_list;
- u32 reg_list_size;
- /* for clear state */
- struct amdgpu_bo *clear_state_obj;
- uint64_t clear_state_gpu_addr;
- volatile uint32_t *cs_ptr;
- const struct cs_section_def *cs_data;
- u32 clear_state_size;
- /* for cp tables */
- struct amdgpu_bo *cp_table_obj;
- uint64_t cp_table_gpu_addr;
- volatile uint32_t *cp_table_ptr;
- u32 cp_table_size;
-
- /* safe mode for updating CG/PG state */
- bool in_safe_mode;
- const struct amdgpu_rlc_funcs *funcs;
-
- /* for firmware data */
- u32 save_and_restore_offset;
- u32 clear_state_descriptor_offset;
- u32 avail_scratch_ram_locations;
- u32 reg_restore_list_size;
- u32 reg_list_format_start;
- u32 reg_list_format_separate_start;
- u32 starting_offsets_start;
- u32 reg_list_format_size_bytes;
- u32 reg_list_size_bytes;
- u32 reg_list_format_direct_reg_list_length;
- u32 save_restore_list_cntl_size_bytes;
- u32 save_restore_list_gpm_size_bytes;
- u32 save_restore_list_srm_size_bytes;
-
- u32 *register_list_format;
- u32 *register_restore;
- u8 *save_restore_list_cntl;
- u8 *save_restore_list_gpm;
- u8 *save_restore_list_srm;
-
- bool is_rlc_v2_1;
-};
-
#define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
struct amdgpu_mec {
@@ -367,12 +306,5 @@ void amdgpu_gfx_bit_to_queue(struct amdgpu_device *adev, int bit,
bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
int pipe, int queue);
void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
-void amdgpu_gfx_rlc_enter_safe_mode(struct amdgpu_device *adev);
-void amdgpu_gfx_rlc_exit_safe_mode(struct amdgpu_device *adev);
-int amdgpu_gfx_rlc_init_sr(struct amdgpu_device *adev, u32 dws);
-int amdgpu_gfx_rlc_init_csb(struct amdgpu_device *adev);
-int amdgpu_gfx_rlc_init_cpt(struct amdgpu_device *adev);
-void amdgpu_gfx_rlc_init_cp_table(struct amdgpu_device *adev);
-void amdgpu_gfx_rlc_fini(struct amdgpu_device *adev);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c
new file mode 100644
index 0000000..4d0419a
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright 2014 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * 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.
+ *
+ */
+#include <linux/firmware.h>
+#include "amdgpu.h"
+#include "amdgpu_gfx.h"
+#include "amdgpu_rlc.h"
+
+void amdgpu_gfx_rlc_enter_safe_mode(struct amdgpu_device *adev)
+{
+ if (adev->gfx.rlc.in_safe_mode)
+ return;
+
+ /* if RLC is not enabled, do nothing */
+ if (!adev->gfx.rlc.funcs->is_rlc_enabled(adev))
+ return;
+
+ if (adev->cg_flags &
+ (AMD_CG_SUPPORT_GFX_CGCG | AMD_CG_SUPPORT_GFX_MGCG |
+ AMD_CG_SUPPORT_GFX_3D_CGCG)) {
+ adev->gfx.rlc.funcs->set_safe_mode(adev);
+ adev->gfx.rlc.in_safe_mode = true;
+ }
+}
+
+void amdgpu_gfx_rlc_exit_safe_mode(struct amdgpu_device *adev)
+{
+ if (!(adev->gfx.rlc.in_safe_mode))
+ return;
+
+ /* if RLC is not enabled, do nothing */
+ if (!adev->gfx.rlc.funcs->is_rlc_enabled(adev))
+ return;
+
+ if (adev->cg_flags &
+ (AMD_CG_SUPPORT_GFX_CGCG | AMD_CG_SUPPORT_GFX_MGCG |
+ AMD_CG_SUPPORT_GFX_3D_CGCG)) {
+ adev->gfx.rlc.funcs->unset_safe_mode(adev);
+ adev->gfx.rlc.in_safe_mode = false;
+ }
+}
+
+int amdgpu_gfx_rlc_init_sr(struct amdgpu_device *adev, u32 dws)
+{
+ const u32 *src_ptr;
+ volatile u32 *dst_ptr;
+ u32 i;
+ int r;
+
+ /* allocate save restore block */
+ r = amdgpu_bo_create_reserved(adev, dws * 4, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ &adev->gfx.rlc.save_restore_obj,
+ &adev->gfx.rlc.save_restore_gpu_addr,
+ (void **)&adev->gfx.rlc.sr_ptr);
+ if (r) {
+ dev_warn(adev->dev, "(%d) create RLC sr bo failed\n", r);
+ amdgpu_gfx_rlc_fini(adev);
+ return r;
+ }
+
+ /* write the sr buffer */
+ src_ptr = adev->gfx.rlc.reg_list;
+ dst_ptr = adev->gfx.rlc.sr_ptr;
+ for (i = 0; i < adev->gfx.rlc.reg_list_size; i++)
+ dst_ptr[i] = cpu_to_le32(src_ptr[i]);
+ amdgpu_bo_kunmap(adev->gfx.rlc.save_restore_obj);
+ amdgpu_bo_unreserve(adev->gfx.rlc.save_restore_obj);
+
+ return 0;
+}
+
+int amdgpu_gfx_rlc_init_csb(struct amdgpu_device *adev)
+{
+ volatile u32 *dst_ptr;
+ u32 dws;
+ int r;
+
+ /* allocate clear state block */
+ adev->gfx.rlc.clear_state_size = dws = adev->gfx.rlc.funcs->get_csb_size(adev);
+ r = amdgpu_bo_create_reserved(adev, dws * 4, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ &adev->gfx.rlc.clear_state_obj,
+ &adev->gfx.rlc.clear_state_gpu_addr,
+ (void **)&adev->gfx.rlc.cs_ptr);
+ if (r) {
+ dev_err(adev->dev, "(%d) failed to create rlc csb bo\n", r);
+ amdgpu_gfx_rlc_fini(adev);
+ return r;
+ }
+
+ /* set up the cs buffer */
+ dst_ptr = adev->gfx.rlc.cs_ptr;
+ adev->gfx.rlc.funcs->get_csb_buffer(adev, dst_ptr);
+ amdgpu_bo_kunmap(adev->gfx.rlc.clear_state_obj);
+ amdgpu_bo_unpin(adev->gfx.rlc.clear_state_obj);
+ amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj);
+
+ return 0;
+}
+
+int amdgpu_gfx_rlc_init_cpt(struct amdgpu_device *adev)
+{
+ int r;
+
+ r = amdgpu_bo_create_reserved(adev, adev->gfx.rlc.cp_table_size,
+ PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
+ &adev->gfx.rlc.cp_table_obj,
+ &adev->gfx.rlc.cp_table_gpu_addr,
+ (void **)&adev->gfx.rlc.cp_table_ptr);
+ if (r) {
+ dev_err(adev->dev, "(%d) failed to create cp table bo\n", r);
+ amdgpu_gfx_rlc_fini(adev);
+ return r;
+ }
+
+ /* set up the cp table */
+ amdgpu_gfx_rlc_init_cp_table(adev);
+ amdgpu_bo_kunmap(adev->gfx.rlc.cp_table_obj);
+ amdgpu_bo_unreserve(adev->gfx.rlc.cp_table_obj);
+
+ return 0;
+}
+
+void amdgpu_gfx_rlc_init_cp_table(struct amdgpu_device *adev)
+{
+ const __le32 *fw_data;
+ volatile u32 *dst_ptr;
+ int me, i, max_me;
+ u32 bo_offset = 0;
+ u32 table_offset, table_size;
+
+ max_me = adev->gfx.rlc.funcs->get_cp_table_num(adev);
+
+ /* write the cp table buffer */
+ dst_ptr = adev->gfx.rlc.cp_table_ptr;
+ for (me = 0; me < max_me; me++) {
+ if (me == 0) {
+ const struct gfx_firmware_header_v1_0 *hdr =
+ (const struct gfx_firmware_header_v1_0 *)adev->gfx.ce_fw->data;
+ fw_data = (const __le32 *)
+ (adev->gfx.ce_fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+ table_offset = le32_to_cpu(hdr->jt_offset);
+ table_size = le32_to_cpu(hdr->jt_size);
+ } else if (me == 1) {
+ const struct gfx_firmware_header_v1_0 *hdr =
+ (const struct gfx_firmware_header_v1_0 *)adev->gfx.pfp_fw->data;
+ fw_data = (const __le32 *)
+ (adev->gfx.pfp_fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+ table_offset = le32_to_cpu(hdr->jt_offset);
+ table_size = le32_to_cpu(hdr->jt_size);
+ } else if (me == 2) {
+ const struct gfx_firmware_header_v1_0 *hdr =
+ (const struct gfx_firmware_header_v1_0 *)adev->gfx.me_fw->data;
+ fw_data = (const __le32 *)
+ (adev->gfx.me_fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+ table_offset = le32_to_cpu(hdr->jt_offset);
+ table_size = le32_to_cpu(hdr->jt_size);
+ } else if (me == 3) {
+ const struct gfx_firmware_header_v1_0 *hdr =
+ (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data;
+ fw_data = (const __le32 *)
+ (adev->gfx.mec_fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+ table_offset = le32_to_cpu(hdr->jt_offset);
+ table_size = le32_to_cpu(hdr->jt_size);
+ } else if (me == 4) {
+ const struct gfx_firmware_header_v1_0 *hdr =
+ (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec2_fw->data;
+ fw_data = (const __le32 *)
+ (adev->gfx.mec2_fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+ table_offset = le32_to_cpu(hdr->jt_offset);
+ table_size = le32_to_cpu(hdr->jt_size);
+ }
+
+ for (i = 0; i < table_size; i ++) {
+ dst_ptr[bo_offset + i] =
+ cpu_to_le32(le32_to_cpu(fw_data[table_offset + i]));
+ }
+
+ bo_offset += table_size;
+ }
+}
+
+void amdgpu_gfx_rlc_fini(struct amdgpu_device *adev)
+{
+ /* save restore block */
+ if (adev->gfx.rlc.save_restore_obj) {
+ amdgpu_bo_free_kernel(&adev->gfx.rlc.save_restore_obj,
+ &adev->gfx.rlc.save_restore_gpu_addr,
+ (void **)&adev->gfx.rlc.sr_ptr);
+ }
+
+ /* clear state block */
+ amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj,
+ &adev->gfx.rlc.clear_state_gpu_addr,
+ (void **)&adev->gfx.rlc.cs_ptr);
+
+ /* jump table block */
+ amdgpu_bo_free_kernel(&adev->gfx.rlc.cp_table_obj,
+ &adev->gfx.rlc.cp_table_gpu_addr,
+ (void **)&adev->gfx.rlc.cp_table_ptr);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h
new file mode 100644
index 0000000..798c910
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2014 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_RLC_H__
+#define __AMDGPU_RLC_H__
+
+#include "clearstate_defs.h"
+
+struct amdgpu_rlc_funcs {
+ bool (*is_rlc_enabled)(struct amdgpu_device *adev);
+ void (*set_safe_mode)(struct amdgpu_device *adev);
+ void (*unset_safe_mode)(struct amdgpu_device *adev);
+ int (*init)(struct amdgpu_device *adev);
+ u32 (*get_csb_size)(struct amdgpu_device *adev);
+ void (*get_csb_buffer)(struct amdgpu_device *adev, volatile u32 *buffer);
+ int (*get_cp_table_num)(struct amdgpu_device *adev);
+ int (*resume)(struct amdgpu_device *adev);
+ void (*stop)(struct amdgpu_device *adev);
+ void (*reset)(struct amdgpu_device *adev);
+ void (*start)(struct amdgpu_device *adev);
+};
+
+struct amdgpu_rlc {
+ /* for power gating */
+ struct amdgpu_bo *save_restore_obj;
+ uint64_t save_restore_gpu_addr;
+ volatile uint32_t *sr_ptr;
+ const u32 *reg_list;
+ u32 reg_list_size;
+ /* for clear state */
+ struct amdgpu_bo *clear_state_obj;
+ uint64_t clear_state_gpu_addr;
+ volatile uint32_t *cs_ptr;
+ const struct cs_section_def *cs_data;
+ u32 clear_state_size;
+ /* for cp tables */
+ struct amdgpu_bo *cp_table_obj;
+ uint64_t cp_table_gpu_addr;
+ volatile uint32_t *cp_table_ptr;
+ u32 cp_table_size;
+
+ /* safe mode for updating CG/PG state */
+ bool in_safe_mode;
+ const struct amdgpu_rlc_funcs *funcs;
+
+ /* for firmware data */
+ u32 save_and_restore_offset;
+ u32 clear_state_descriptor_offset;
+ u32 avail_scratch_ram_locations;
+ u32 reg_restore_list_size;
+ u32 reg_list_format_start;
+ u32 reg_list_format_separate_start;
+ u32 starting_offsets_start;
+ u32 reg_list_format_size_bytes;
+ u32 reg_list_size_bytes;
+ u32 reg_list_format_direct_reg_list_length;
+ u32 save_restore_list_cntl_size_bytes;
+ u32 save_restore_list_gpm_size_bytes;
+ u32 save_restore_list_srm_size_bytes;
+
+ u32 *register_list_format;
+ u32 *register_restore;
+ u8 *save_restore_list_cntl;
+ u8 *save_restore_list_gpm;
+ u8 *save_restore_list_srm;
+
+ bool is_rlc_v2_1;
+};
+
+void amdgpu_gfx_rlc_enter_safe_mode(struct amdgpu_device *adev);
+void amdgpu_gfx_rlc_exit_safe_mode(struct amdgpu_device *adev);
+int amdgpu_gfx_rlc_init_sr(struct amdgpu_device *adev, u32 dws);
+int amdgpu_gfx_rlc_init_csb(struct amdgpu_device *adev);
+int amdgpu_gfx_rlc_init_cpt(struct amdgpu_device *adev);
+void amdgpu_gfx_rlc_init_cp_table(struct amdgpu_device *adev);
+void amdgpu_gfx_rlc_fini(struct amdgpu_device *adev);
+
+#endif
--
2.7.4
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