[PATCH 1/2] drm/amdgpu: add GFX_PIPELINE capacity check for updating gfx cgpg

[Huang, Ray]

Series are Reviewed-by: Huang Rui <ray.huang at amd.com>

-----Original Message-----
From: Liang, Prike <Prike.Liang at amd.com> 
Sent: Tuesday, October 15, 2019 5:50 PM
To: amd-gfx at lists.freedesktop.org
Cc: Quan, Evan <Evan.Quan at amd.com>; Feng, Kenneth <Kenneth.Feng at amd.com>; Huang, Ray <Ray.Huang at amd.com>; Liang, Prike <Prike.Liang at amd.com>
Subject: [PATCH 1/2] 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 at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index b577b69..de8f9d6 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);
-- 
2.7.4