linux-kernel - Re: [PATCH v3 01/12] drm/ingenic: Fix incorrect assumption about plane->index

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Date:   Thu, 16 Jul 2020 19:43:35 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        od@...c.me, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH v3 01/12] drm/ingenic: Fix incorrect assumption about
 plane->index

Hi Paul.

On Thu, Jul 16, 2020 at 06:38:35PM +0200, Paul Cercueil wrote:
> plane->index is NOT the index of the color plane in a YUV frame.
> Actually, a YUV frame is represented by a single drm_plane, even though
> it contains three Y, U, V planes.
> 
> v2-v3: No change
> 
> Cc: stable@...r.kernel.org # v5.3
> Fixes: 90b86fcc47b4 ("DRM: Add KMS driver for the Ingenic JZ47xx SoCs")
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> Acked-by: Sam Ravnborg <sam@...nborg.org>

A cover letter would have been useful. Please consider that in the
future.
All patches in this set are:
Reviewed-by: Sam Ravnborg <sam@...nborg.org>

A few requires some trivial issues fixed. They can be fixed while
applying.

I consider the patch-set ready to go in and I expect you to commit them.

	Sam

> ---
>  drivers/gpu/drm/ingenic/ingenic-drm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c
> index deb37b4a8e91..606d8acb0954 100644
> --- a/drivers/gpu/drm/ingenic/ingenic-drm.c
> +++ b/drivers/gpu/drm/ingenic/ingenic-drm.c
> @@ -386,7 +386,7 @@ static void ingenic_drm_plane_atomic_update(struct drm_plane *plane,
>  		addr = drm_fb_cma_get_gem_addr(state->fb, state, 0);
>  		width = state->src_w >> 16;
>  		height = state->src_h >> 16;
> -		cpp = state->fb->format->cpp[plane->index];
> +		cpp = state->fb->format->cpp[0];
>  
>  		priv->dma_hwdesc->addr = addr;
>  		priv->dma_hwdesc->cmd = width * height * cpp / 4;
> -- 
> 2.27.0