From: Javier Martinez Canillas <javierm@redhat.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Sam Ravnborg <sam@ravnborg.org>, Helge Deller <deller@gmx.de>
Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
linux-m68k@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 RFC 10/10] drm/fourcc: Add DRM_FORMAT_D[1248]
Date: Wed, 9 Mar 2022 14:41:21 +0100 [thread overview]
Message-ID: <09acb08a-7b96-69d0-2fb9-80381e234877@redhat.com> (raw)
In-Reply-To: <e05254ba67598b3973010a7b6f31dd6b20a66844.1646683502.git.geert@linux-m68k.org>
On 3/7/22 21:52, Geert Uytterhoeven wrote:
> As Rn is light-on-dark, and Cn can be any colors, there are currently
> no fourcc codes to describe dark-on-light displays.
>
> Introduce fourcc codes for a single-channel dark-on-light frame buffer
> format with two, four, sixteen, or 256 darkness levels.
>
> As the number of bits per pixel may be less than eight, some of these
> formats rely on proper block handling for the calculation of bits per
> pixel and pitch.
>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
--
Best regards,
Javier Martinez Canillas
Linux Engineering
Red Hat
WARNING: multiple messages have this Message-ID (diff)
From: Javier Martinez Canillas <javierm@redhat.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Sam Ravnborg <sam@ravnborg.org>, Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org, linux-m68k@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 RFC 10/10] drm/fourcc: Add DRM_FORMAT_D[1248]
Date: Wed, 9 Mar 2022 14:41:21 +0100 [thread overview]
Message-ID: <09acb08a-7b96-69d0-2fb9-80381e234877@redhat.com> (raw)
In-Reply-To: <e05254ba67598b3973010a7b6f31dd6b20a66844.1646683502.git.geert@linux-m68k.org>
On 3/7/22 21:52, Geert Uytterhoeven wrote:
> As Rn is light-on-dark, and Cn can be any colors, there are currently
> no fourcc codes to describe dark-on-light displays.
>
> Introduce fourcc codes for a single-channel dark-on-light frame buffer
> format with two, four, sixteen, or 256 darkness levels.
>
> As the number of bits per pixel may be less than eight, some of these
> formats rely on proper block handling for the calculation of bits per
> pixel and pitch.
>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
--
Best regards,
Javier Martinez Canillas
Linux Engineering
Red Hat
next prev parent reply other threads:[~2022-03-09 13:41 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-07 20:52 [PATCH v2 00/10] drm: Add support for low-color frame buffer formats Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-07 20:52 ` [PATCH v2 01/10] drm/fourcc: Add drm_format_info_bpp() helper Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-09 12:46 ` Javier Martinez Canillas
2022-03-09 12:46 ` Javier Martinez Canillas
2022-03-07 20:52 ` [PATCH v2 02/10] drm/fourcc: Add drm_format_info.is_color_indexed flag Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-09 12:50 ` Javier Martinez Canillas
2022-03-09 12:50 ` Javier Martinez Canillas
2022-03-07 20:52 ` [PATCH v2 03/10] drm/client: Use actual bpp when allocating frame buffers Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-09 12:51 ` Javier Martinez Canillas
2022-03-09 12:51 ` Javier Martinez Canillas
2022-03-07 20:52 ` [PATCH v2 04/10] drm/framebuffer: Use actual bpp for DRM_IOCTL_MODE_GETFB Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-09 12:53 ` Javier Martinez Canillas
2022-03-09 12:53 ` Javier Martinez Canillas
2022-03-07 20:52 ` [PATCH v2 05/10] drm/fourcc: Add DRM_FORMAT_C[124] Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-08 9:04 ` Pekka Paalanen
2022-03-08 9:04 ` Pekka Paalanen
2022-03-09 12:57 ` Javier Martinez Canillas
2022-03-09 12:57 ` Javier Martinez Canillas
2022-03-14 13:30 ` Geert Uytterhoeven
2022-03-14 13:30 ` Geert Uytterhoeven
2022-03-14 15:05 ` Pekka Paalanen
2022-03-14 15:05 ` Pekka Paalanen
2022-03-14 19:01 ` Geert Uytterhoeven
2022-03-14 19:01 ` Geert Uytterhoeven
2022-03-14 22:15 ` Finn Thain
2022-03-14 22:15 ` Finn Thain
2022-03-15 7:32 ` Pekka Paalanen
2022-03-15 7:32 ` Pekka Paalanen
2022-03-15 7:51 ` Geert Uytterhoeven
2022-03-15 7:51 ` Geert Uytterhoeven
2022-03-15 7:52 ` Geert Uytterhoeven
2022-03-15 7:52 ` Geert Uytterhoeven
2022-03-15 8:45 ` Pekka Paalanen
2022-03-15 8:45 ` Pekka Paalanen
2022-03-15 8:57 ` Geert Uytterhoeven
2022-03-15 8:57 ` Geert Uytterhoeven
2022-03-15 10:48 ` Pekka Paalanen
2022-03-15 10:48 ` Pekka Paalanen
2022-03-07 20:52 ` [PATCH v2 06/10] drm/fb-helper: Add support for DRM_FORMAT_C[124] Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-09 13:10 ` Javier Martinez Canillas
2022-03-09 13:10 ` Javier Martinez Canillas
2022-03-09 13:14 ` Geert Uytterhoeven
2022-03-09 13:14 ` Geert Uytterhoeven
2022-03-07 20:52 ` [PATCH v2 RFC 07/10] drm/gem-fb-helper: Use actual bpp for size calculations Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-09 13:16 ` Javier Martinez Canillas
2022-03-09 13:16 ` Javier Martinez Canillas
2022-03-07 20:52 ` [PATCH v2 RFC 08/10] drm/fourcc: Document that single-channel "red" can be any color Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-08 9:06 ` Pekka Paalanen
2022-03-08 9:06 ` Pekka Paalanen
2022-03-09 13:33 ` Javier Martinez Canillas
2022-03-09 13:33 ` Javier Martinez Canillas
2022-03-07 20:52 ` [PATCH v2 RFC 09/10] drm/fourcc: Add DRM_FORMAT_R[124] Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-09 13:39 ` Javier Martinez Canillas
2022-03-09 13:39 ` Javier Martinez Canillas
2022-03-07 20:52 ` [PATCH v2 RFC 10/10] drm/fourcc: Add DRM_FORMAT_D[1248] Geert Uytterhoeven
2022-03-07 20:52 ` Geert Uytterhoeven
2022-03-09 13:41 ` Javier Martinez Canillas [this message]
2022-03-09 13:41 ` Javier Martinez Canillas
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