[PATCH] drm/amdgpu: fix gfx ib test failed in sriov

[Christian König]

Hi Eric,

Yin has already proposed patches for fixing this a few days ago. Please 
help to review those instead.

Thanks,
Christian

Am 28.08.19 um 16:59 schrieb Huang, JinHuiEric:
> It partially reverts the regression of
>
> commit e4a67e6cf14c258619f
> ("drm/amdgpu/psp: move TMR to cpu invisible vram region")
>
> which causes gfx ib test failed when driver loading
> in sriov system.
>
> Signed-off-by: Eric Huang <JinhuiEric.Huang at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 16 ++++++++++++----
>   drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h |  1 +
>   2 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> index 9f7cc5b..9f91ced 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> @@ -261,9 +261,14 @@ static int psp_tmr_init(struct psp_context *psp)
>   		}
>   	}
>   
> -	ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
> -				      AMDGPU_GEM_DOMAIN_VRAM,
> -				      &psp->tmr_bo, &psp->tmr_mc_addr, NULL);
> +	if (amdgpu_sriov_vf(psp->adev))
> +		ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
> +			      AMDGPU_GEM_DOMAIN_VRAM,
> +			      &psp->tmr_bo, &psp->tmr_mc_addr, &psp->tmr_buf);
> +	else
> +		ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
> +			      AMDGPU_GEM_DOMAIN_VRAM,
> +			      &psp->tmr_bo, &psp->tmr_mc_addr, NULL);
>   
>   	return ret;
>   }
> @@ -1216,7 +1221,10 @@ static int psp_hw_fini(void *handle)
>   
>   	psp_ring_destroy(psp, PSP_RING_TYPE__KM);
>   
> -	amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, NULL);
> +	if (amdgpu_sriov_vf(adev))
> +		amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, &psp->tmr_buf);
> +	else
> +		amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, NULL);
>   	amdgpu_bo_free_kernel(&psp->fw_pri_bo,
>   			      &psp->fw_pri_mc_addr, &psp->fw_pri_buf);
>   	amdgpu_bo_free_kernel(&psp->fence_buf_bo,
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
> index bc0947f..b73d4aa 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
> @@ -171,6 +171,7 @@ struct psp_context
>   	/* tmr buffer */
>   	struct amdgpu_bo		*tmr_bo;
>   	uint64_t			tmr_mc_addr;
> +	void				*tmr_buf;
>   
>   	/* asd firmware and buffer */
>   	const struct firmware		*asd_fw;