[PATCH 09/14] drm/amd/amdgpu: Enable carrizo GFX PG

[Tom St Denis]

Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vi.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 9ba64989f092..4fa9fea541a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1578,7 +1578,13 @@ static int vi_common_early_init(void *handle)
 			AMD_CG_SUPPORT_HDP_LS |
 			AMD_CG_SUPPORT_SDMA_MGCG |
 			AMD_CG_SUPPORT_SDMA_LS;
+		/* rev0 hardware requires workarounds to support PG */
 		adev->pg_flags = 0;
+		if (adev->rev_id != 0x00) {
+			adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG |
+				AMD_PG_SUPPORT_GFX_SMG |
+				AMD_PG_SUPPORT_GFX_PIPELINE;
+		}
 		adev->external_rev_id = adev->rev_id + 0x1;
 		break;
 	case CHIP_STONEY:
-- 
2.9.2