linux-kernel - Re: [PATCH] Revert "drm/udl: Add ARGB8888 as a format"

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Date: Wed, 6 Mar 2024 15:40:28 +0100
From: Thomas Zimmermann <tzimmermann@...e.de>
To: Douglas Anderson <dianders@...omium.org>, dri-devel@...ts.freedesktop.org
Cc: Maxime Ripard <mripard@...nel.org>, Daniel Vetter <daniel@...ll.ch>,
 Dave Airlie <airlied@...hat.com>, David Airlie <airlied@...il.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Sean Paul <sean@...rly.run>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "drm/udl: Add ARGB8888 as a format"



Am 06.03.24 um 15:37 schrieb Douglas Anderson:
> This reverts commit 95bf25bb9ed5dedb7fb39f76489f7d6843ab0475.
>
> Apparently there was a previous discussion about emulation of formats
> and it was decided XRGB8888 was the only format to support for legacy
> userspace [1]. Remove ARGB8888. Userspace needs to be fixed to accept
> XRGB8888.
>
> [1] https://lore.kernel.org/r/60dc7697-d7a0-4bf4-a22e-32f1bbb792c2@suse.de
>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>

Acked-by: Thomas Zimmermann <tzimmermann@...e.de>

> ---
>
>   drivers/gpu/drm/udl/udl_modeset.c | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
> index 0f8d3678770e..7702359c90c2 100644
> --- a/drivers/gpu/drm/udl/udl_modeset.c
> +++ b/drivers/gpu/drm/udl/udl_modeset.c
> @@ -253,7 +253,6 @@ static int udl_handle_damage(struct drm_framebuffer *fb,
>   static const uint32_t udl_primary_plane_formats[] = {
>   	DRM_FORMAT_RGB565,
>   	DRM_FORMAT_XRGB8888,
> -	DRM_FORMAT_ARGB8888,
>   };
>   
>   static const uint64_t udl_primary_plane_fmtmods[] = {

-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)