[PATCH 1/2] drm/amdgpu: add GFX Clock Gating support for GC IP v11.0.1

Tim Huang tim.huang at amd.com
Fri Aug 5 04:13:26 UTC 2022


Add below GFX Clock Gating supports:

1. GFX Coarse Grain Clock Gating(CGCG)
2. GFX Coarse grain light sleep/deep sleep(CGLS)
3. GFX Medium Grain Clock Gating(MGCG)
4. GFX Fine Grain Clock Gating(FGCG)
5. Repeater Fine Grain Clock Gating
6. Perfmon Clock Gating

Signed-off-by: Tim Huang <tim.huang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/soc21.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index 52816de5e17b..b700c6cb14b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -586,6 +586,12 @@ static int soc21_common_early_init(void *handle)
 		break;
 	case IP_VERSION(11, 0, 1):
 		adev->cg_flags =
+			AMD_CG_SUPPORT_GFX_CGCG |
+			AMD_CG_SUPPORT_GFX_CGLS |
+			AMD_CG_SUPPORT_GFX_MGCG |
+			AMD_CG_SUPPORT_GFX_FGCG |
+			AMD_CG_SUPPORT_REPEATER_FGCG |
+			AMD_CG_SUPPORT_GFX_PERF_CLK |
 			AMD_CG_SUPPORT_VCN_MGCG |
 			AMD_CG_SUPPORT_JPEG_MGCG;
 		adev->pg_flags =
-- 
2.25.1



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