drm/amdgpu: disable MMHUB PG for Picasso

MMHUB PG needs to be disabled for Picasso for stability reasons. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
xanmod · Feb 21, 2022 · f626dd0 · f626dd0
1 parent 1432108
commit f626dd0
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -1114,8 +1114,11 @@ static int soc15_common_early_init(void *handle)
 				AMD_CG_SUPPORT_SDMA_LS |
 				AMD_CG_SUPPORT_VCN_MGCG;
 
+			/*
+			 * MMHUB PG needs to be disabled for Picasso for
+			 * stability reasons.
+			 */
 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
-				AMD_PG_SUPPORT_MMHUB |
 				AMD_PG_SUPPORT_VCN;
 		} else {
 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |