On Fri, Mar 30, 2018 at 03:11:22PM +0100, Daniel Stone wrote:
> A FB with no object is something we should be shouting very loudly
> about, not quietly logging as debug.
>
> Signed-off-by: Daniel Stone <daniels@xxxxxxxxxxxxx>
> Cc: CK Hu <ck.hu@xxxxxxxxxxxx>
> Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_plane.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> index 2f4b0ffee598..ac010365d88b 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> @@ -95,10 +95,7 @@ static int mtk_plane_atomic_check(struct drm_plane *plane,
> if (!fb)
> return 0;
>
> - if (!mtk_fb_get_gem_obj(fb)) {
> - DRM_DEBUG_KMS("buffer is null\n");
> - return -EFAULT;
> - }
> + WARN_ON(!mtk_fb_get_gem_obj(fb));
We should presumably still bail out with an error, no?
>
> if (!state->crtc)
> return 0;
> --
> 2.16.2
>
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--
Sean Paul, Software Engineer, Google / Chromium OS
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