From: Tom St Denis <tom.stdenis@amd.com>
Date: Thu, 28 Jul 2016 13:33:56 +0000 (-0400)
Subject: drm/amd/amdgpu: Enable carrizo GFX PG
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f6ade30418a753e3b52329fa067250091944733f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/amd/amdgpu: Enable carrizo GFX PG

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

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: