[PATCH 1/2] drm/amdgpu/nv: enable gfx10.3.7 clock gating support

Prike Liang Prike.Liang at amd.com
Wed Feb 23 02:42:34 UTC 2022


This will enable the following gfx clock gating.
- Fine clock gating
- Medium Grain clock gating
- 3D Coarse clock gating
- Coarse Grain clock gating
- RLC/CP light sleep clock gating

Signed-off-by: Prike Liang <Prike.Liang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/nv.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 74e0550d00bd..5f375f3430e1 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -936,7 +936,15 @@ static int nv_common_early_init(void *handle)
 		adev->external_rev_id = adev->rev_id + 0x01;
 		break;
 	case IP_VERSION(10, 3, 7):
-		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_CGLS |
+			AMD_CG_SUPPORT_GFX_3D_CGCG |
+			AMD_CG_SUPPORT_GFX_3D_CGLS |
+			AMD_CG_SUPPORT_GFX_RLC_LS |
+			AMD_CG_SUPPORT_GFX_CP_LS |
+			AMD_CG_SUPPORT_GFX_FGCG;
 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_VCN_DPG |
 			AMD_PG_SUPPORT_JPEG;
-- 
2.17.1



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