[PATCH] drm/amdgpu: add contiguous flag in ucode bo create

Christian König deathsimple at vodafone.de
Fri Jun 9 12:25:00 UTC 2017


Am 09.06.2017 um 13:59 schrieb horchen:
> Under VF environment, the ucode would be settled to the visible VRAM,
> As it would be pinned to the visible VRAM, it's better to add
> contiguous flag,otherwise it need to move gpu address during the pin
> process. This movement is not necessary.
>
> Signed-off-by: horchen <horace.chen at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
> index cd6d3d0..3b1ee05 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
> @@ -379,7 +379,8 @@ int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
>   
>   	err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true,
>   				amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
> -				0, NULL, NULL, bo);
> +				amdgpu_sriov_vf(adev) ? AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS : 0,
> +				NULL, NULL, bo);

Mhm, did you missed my comment? You can add the 
AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS unconditionally here, e.g. without 
checking amdgpu_sriov_vf(adev).

With that fixed the patch is Reviewed-by: Christian König 
<christian.koenig at amd.com>.

>   	if (err) {
>   		dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);
>   		goto failed;




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