From 1ff27cd3c7cac0e653851ae0b2dc55fff822f816 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 4 Feb 2016 23:33:56 -0500 Subject: [PATCH 0194/1110] drm/amdgpu: be consistent with uvd cg flags Don't do anything if the uvd cg flags are not set. Reviewed-by: Eric Huang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 3 +++ drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c index 9cb5287..c982524 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c @@ -830,6 +830,9 @@ static int uvd_v4_2_set_clockgating_state(void *handle, bool gate = false; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (!(adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG)) + return 0; + if (state == AMD_CG_STATE_GATE) gate = true; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index b4623de..aad1ab5 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -774,6 +774,11 @@ static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev, static int uvd_v5_0_set_clockgating_state(void *handle, enum amd_clockgating_state state) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (!(adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG)) + return 0; + return 0; } -- 2.7.4