Am 13.01.2017 um 19:26 schrieb Alex Deucher:
> From: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
>
> Switching to -ENOMEM resolves a hang in case the driver
> uses this function in atomic code path.
>
> v2: Update commit message.
> v3:
> Remove forcing -EINVAL in case of amdgpu_bo_pin fail
> since there is no apparent reason for not just passing
> through the the return value.
>
> Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
> Reviewed-by Harry Wentland <harry.wentland at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> index 48a3f67..4986340 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> @@ -189,7 +189,6 @@ int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc,
>
> r = amdgpu_bo_pin(new_abo, AMDGPU_GEM_DOMAIN_VRAM, &base);
> if (unlikely(r != 0)) {
> - r = -EINVAL;
> DRM_ERROR("failed to pin new abo buffer before flip\n");
> goto unreserve;
> }
