From: Prike Liang <Prike.Liang@amd.com>
Date: Tue, 15 Oct 2019 09:24:25 +0000 (+0800)
Subject: drm/amdgpu: add GFX_PIPELINE capacity check for updating gfx cgpg
X-Git-Tag: v5.5-rc1~128^2~25^2~53
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=c8486eef2c095f2f986e4968b27b7a2043afc0e3;p=linux.git

drm/amdgpu: add GFX_PIPELINE capacity check for updating gfx cgpg

Before disable gfx pipeline power gating need check the flag AMD_PG_SUPPORT_GFX_PIPELINE.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 035e45a7abfd..f545ecbe2ce2 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4296,7 +4296,8 @@ static void gfx_v9_0_update_gfx_cg_power_gating(struct amdgpu_device *adev,
 			gfx_v9_0_enable_gfx_pipeline_powergating(adev, true);
 	} else {
 		gfx_v9_0_enable_gfx_cg_power_gating(adev, false);
-		gfx_v9_0_enable_gfx_pipeline_powergating(adev, false);
+		if (adev->pg_flags & AMD_PG_SUPPORT_GFX_PIPELINE)
+			gfx_v9_0_enable_gfx_pipeline_powergating(adev, false);
 	}
 
 	amdgpu_gfx_rlc_exit_safe_mode(adev);