drm/amdgpu: enable VCN DPG on Raven and Raven2

It's safe to enable dynamic VCN powergating on raven and
raven2 for increased power savings.

Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 741b564..49dcf75 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -1145,7 +1145,9 @@ static int soc15_common_early_init(void *handle)
                                AMD_CG_SUPPORT_SDMA_LS |
                                AMD_CG_SUPPORT_VCN_MGCG;
 
-                       adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
+                       adev->pg_flags = AMD_PG_SUPPORT_SDMA |
+                               AMD_PG_SUPPORT_VCN |
+                               AMD_PG_SUPPORT_VCN_DPG;
                } else if (adev->pdev->device == 0x15d8) {
                        adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
                                AMD_CG_SUPPORT_GFX_MGLS |
@@ -1188,7 +1190,9 @@ static int soc15_common_early_init(void *handle)
                                AMD_CG_SUPPORT_SDMA_LS |
                                AMD_CG_SUPPORT_VCN_MGCG;
 
-                       adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
+                       adev->pg_flags = AMD_PG_SUPPORT_SDMA |
+                               AMD_PG_SUPPORT_VCN |
+                               AMD_PG_SUPPORT_VCN_DPG;
                }
                break;
        case CHIP_ARCTURUS: