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

drm/amdgpu: enable gfx clock gatings for navi12

Browse Source 
enables following gfx clock gating features:

- medium grained clock gating
- medium grained light sleep
- coarse grained clock gating
- cp memory light sleep
- rlc memory light sleep

CGLS (Coarse Grained Light Sleep) will break s3, so don't enable it.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaojie Yuan 2019-07-30 11:28:20 +08:00 committed by Alex Deucher
parent 05677c958a
commit dca009e71c
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/amd/amdgpu/nv.c
View File

@ -641,7 +641,11 @@ static int nv_common_early_init(void *handle)
adev->external_rev_id = adev->rev_id + 20;
break;
case CHIP_NAVI12:
adev->cg_flags = 0;
adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
AMD_CG_SUPPORT_GFX_MGLS |
AMD_CG_SUPPORT_GFX_CGCG |
AMD_CG_SUPPORT_GFX_CP_LS |
AMD_CG_SUPPORT_GFX_RLC_LS;
adev->pg_flags = AMD_PG_SUPPORT_VCN_DPG;
adev->external_rev_id = adev->rev_id + 0xa;
break;