On 02/08/2017 12:24 PM, Pixel Ding wrote: > CPU is not efficient to do this job. There's a failure caused by this > is that handshaking gets timeout of SRIOV virtual function. Can you fixup the commit message a little but otherwise, Reviewed-by: Edward O'Callaghan <funfunc...@folklore1984.net>
>
> Signed-off-by: Pixel Ding <pixel.d...@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> index 1e735c4..2867f55 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> @@ -148,7 +148,8 @@ static int amdgpufb_create_pinned_object(struct
> amdgpu_fbdev *rfbdev,
> ret = amdgpu_gem_object_create(adev, aligned_size, 0,
> AMDGPU_GEM_DOMAIN_VRAM,
> AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
> - AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
> + AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS |
> + AMDGPU_GEM_CREATE_VRAM_CLEARED,
> true, &gobj);
> if (ret) {
> printk(KERN_ERR "failed to allocate framebuffer (%d)\n",
> @@ -242,8 +243,6 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
> /* setup helper */
> rfbdev->helper.fb = fb;
>
> - memset_io(abo->kptr, 0x0, amdgpu_bo_size(abo));
> -
> strcpy(info->fix.id, "amdgpudrmfb");
>
> drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
>
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