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

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Hi Christian,

Sorry, it's my first time to submit code to the staging. I have done the fix.  Attached the fixed review.
Thank you for the review.

Regards,
Horace. 

-----Original Message-----
From: Christian König [mailto:deathsimple@xxxxxxxxxxx] 
Sent: Friday, June 09, 2017 8:25 PM
To: Chen, Horace; amd-gfx at lists.freedesktop.org
Cc: Huang, Ray
Subject: Re: [PATCH] drm/amdgpu: add contiguous flag in ucode bo create

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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