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.y...@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/nv.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 74beace5323c..aef7a5b32b34 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -561,7 +561,11 @@ static int nv_common_early_init(void *handle)
adev->external_rev_id = adev->rev_id + 0x1;
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;
--
2.20.1
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