[PATCH 07/13] drm/amdgpu:two fixings for sdma v4 for SRIOV

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Monk Liu
> Sent: Friday, March 24, 2017 6:38 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Liu, Monk
> Subject: [PATCH 07/13] drm/amdgpu:two fixings for sdma v4 for SRIOV
> 
> no hw_fini for SRIOV, otherwise other VF will be affected
> no CG for SRIOV
> 
> Change-Id: I1b0525eb8d08754b4bd1a6ee6798bf5e41c6bc6b
> Signed-off-by: Monk Liu <Monk.Liu at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> index 4d9fec8..443f850 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> @@ -1172,6 +1172,9 @@ static int sdma_v4_0_hw_fini(void *handle)
>  {
>  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> 
> +	if (amdgpu_sriov_vf(adev))
> +		return 0;
> +
>  	sdma_v4_0_ctx_switch_enable(adev, false);
>  	sdma_v4_0_enable(adev, false);
> 
> @@ -1406,6 +1409,9 @@ static int sdma_v4_0_set_clockgating_state(void
> *handle,
>  {
>  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> 
> +	if (amdgpu_sriov_vf(adev))
> +		return 0;
> +
>  	switch (adev->asic_type) {
>  	case CHIP_VEGA10:
>  		sdma_v4_0_update_medium_grain_clock_gating(adev,
> --
> 2.7.4
> 
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