[PATCH 03/11] drm/amdgpu/psp: skip loading SDMA/RLCG under SRIOV VF

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Xiangliang Yu
> Sent: Monday, April 24, 2017 2:58 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Wang, Daniel(Xiaowei); Yu, Xiangliang
> Subject: [PATCH 03/11] drm/amdgpu/psp: skip loading SDMA/RLCG under
> SRIOV VF
> 
> From: Daniel Wang <Daniel.Wang2 at amd.com>
> 
> Now GPU hypervisor will load SDMA and RLCG ucode, so skip it
> in guest.
> 
> Signed-off-by: Daniel Wang <Daniel.Wang2 at amd.com>
> Signed-off-by: Xiangliang Yu <Xiangliang.Yu at amd.com>

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

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> index 1e380fe..ac5e92e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> @@ -289,6 +289,12 @@ static int psp_np_fw_load(struct psp_context *psp)
>  		if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
>  		    psp_smu_reload_quirk(psp))
>  			continue;
> +		if (amdgpu_sriov_vf(adev) &&
> +		   (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA0
> +		    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1
> +		    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_G))
> +			/*skip ucode loading in SRIOV VF */
> +			continue;
> 
>  		ret = psp_prep_cmd_buf(ucode, psp->cmd);
>  		if (ret)
> --
> 2.7.4
> 
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