From f6ade30418a753e3b52329fa067250091944733f Mon Sep 17 00:00:00 2001 From: Tom St Denis Date: Thu, 28 Jul 2016 09:33:56 -0400 Subject: [PATCH] drm/amd/amdgpu: Enable carrizo GFX PG Signed-off-by: Tom St Denis Reviewed-by: Rex Zhu Signed-off-by: Alex Deucher --- 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 03a31c53aec3..90b3ca89c40d 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -1249,7 +1249,13 @@ 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: -- 2.11.0