leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amdgpu: add structures for rlcg indirect reg access

Browse Source 
Add structures that are used to cache registers offsets
for rlcg indirect reg access ctrl and flag availability
of such interface

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Zhou, Peng Ju <PengJu.Zhou@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2022-01-18 16:11:02 +08:00 committed by Alex Deucher
parent 7bbe43f8a4
commit b12252b053
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h
View File

@ -132,6 +132,16 @@ struct amdgpu_rlc_funcs {
bool (*is_rlcg_access_range)(struct amdgpu_device *adev, uint32_t reg);
};
struct amdgpu_rlcg_reg_access_ctrl {
uint32_t scratch_reg0;
uint32_t scratch_reg1;
uint32_t scratch_reg2;
uint32_t scratch_reg3;
uint32_t grbm_cntl;
uint32_t grbm_idx;
uint32_t spare_int;
};
struct amdgpu_rlc {
/* for power gating */
struct amdgpu_bo *save_restore_obj;
@ -191,6 +201,10 @@ struct amdgpu_rlc {
struct amdgpu_bo *rlc_toc_bo;
uint64_t rlc_toc_gpu_addr;
void *rlc_toc_buf;
bool rlcg_reg_access_supported;
/* registers for rlcg indirect reg access */
struct amdgpu_rlcg_reg_access_ctrl reg_access_ctrl;
};
void amdgpu_gfx_rlc_enter_safe_mode(struct amdgpu_device *adev);