Commit dca009e7 authored Jul 30, 2019 by Xiaojie Yuan Committed by Alex Deucher Aug 12, 2019

drm/amdgpu: enable gfx clock gatings for navi12



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>

parent 05677c95

drivers/gpu/drm/amd/amdgpu/nv.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -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;