From: Stephen Warren <swarren@wwwdotorg.org>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH V2] video: implement a simple framebuffer driver
Date: Thu, 11 Apr 2013 16:10:09 +0000 [thread overview]
Message-ID: <5166E061.1050008@wwwdotorg.org> (raw)
In-Reply-To: <CAMuHMdWFVi=AFR8prins0mees4BFUUXirCC2swyQPwGs7Tt8uQ@mail.gmail.com>
On 04/11/2013 04:42 AM, Geert Uytterhoeven wrote:
> On Thu, Apr 4, 2013 at 4:39 AM, Stephen Warren <swarren@wwwdotorg.org> wrote:
>> + { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0} },
>
> Why "r5g6b5" instead of "rgb565", which is what's commonly used?
Both representations appear commonly used.
I mentioned my rationale in response to V1: "r5g6b5" is a much more
well-defined structure. It's directly algorithmically parse-able if
required, whereas you'd need somewhat more complex heuristics to
determine exactly what rgb565 or argb2101010 mean, since all the numbers
are run together without delimiters.
WARNING: multiple messages have this Message-ID (diff)
From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2] video: implement a simple framebuffer driver
Date: Thu, 11 Apr 2013 10:10:09 -0600 [thread overview]
Message-ID: <5166E061.1050008@wwwdotorg.org> (raw)
In-Reply-To: <CAMuHMdWFVi=AFR8prins0mees4BFUUXirCC2swyQPwGs7Tt8uQ@mail.gmail.com>
On 04/11/2013 04:42 AM, Geert Uytterhoeven wrote:
> On Thu, Apr 4, 2013 at 4:39 AM, Stephen Warren <swarren@wwwdotorg.org> wrote:
>> + { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0} },
>
> Why "r5g6b5" instead of "rgb565", which is what's commonly used?
Both representations appear commonly used.
I mentioned my rationale in response to V1: "r5g6b5" is a much more
well-defined structure. It's directly algorithmically parse-able if
required, whereas you'd need somewhat more complex heuristics to
determine exactly what rgb565 or argb2101010 mean, since all the numbers
are run together without delimiters.
WARNING: multiple messages have this Message-ID (diff)
From: Stephen Warren <swarren@wwwdotorg.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
devicetree-discuss@lists.ozlabs.org,
Rob Clark <robclark@gmail.com>,
linux-rpi-kernel@lists.infradead.org,
Olof Johansson <olof@lixom.net>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH V2] video: implement a simple framebuffer driver
Date: Thu, 11 Apr 2013 10:10:09 -0600 [thread overview]
Message-ID: <5166E061.1050008@wwwdotorg.org> (raw)
In-Reply-To: <CAMuHMdWFVi=AFR8prins0mees4BFUUXirCC2swyQPwGs7Tt8uQ@mail.gmail.com>
On 04/11/2013 04:42 AM, Geert Uytterhoeven wrote:
> On Thu, Apr 4, 2013 at 4:39 AM, Stephen Warren <swarren@wwwdotorg.org> wrote:
>> + { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0} },
>
> Why "r5g6b5" instead of "rgb565", which is what's commonly used?
Both representations appear commonly used.
I mentioned my rationale in response to V1: "r5g6b5" is a much more
well-defined structure. It's directly algorithmically parse-able if
required, whereas you'd need somewhat more complex heuristics to
determine exactly what rgb565 or argb2101010 mean, since all the numbers
are run together without delimiters.
next prev parent reply other threads:[~2013-04-11 16:10 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-04 2:39 [PATCH V2] video: implement a simple framebuffer driver Stephen Warren
2013-04-04 2:39 ` Stephen Warren
2013-04-04 2:39 ` Stephen Warren
2013-04-09 0:16 ` Andrew Morton
2013-04-09 0:16 ` Andrew Morton
2013-04-09 0:16 ` Andrew Morton
2013-04-09 3:16 ` Stephen Warren
2013-04-09 3:16 ` Stephen Warren
2013-04-09 3:16 ` Stephen Warren
2013-04-09 8:08 ` Geert Uytterhoeven
2013-04-09 8:08 ` Geert Uytterhoeven
2013-04-09 8:08 ` Geert Uytterhoeven
2013-04-11 9:56 ` Laurent Pinchart
2013-04-11 9:56 ` Laurent Pinchart
2013-04-11 9:56 ` Laurent Pinchart
2013-04-11 16:06 ` Stephen Warren
2013-04-11 16:06 ` Stephen Warren
2013-04-11 16:06 ` Stephen Warren
2013-04-11 20:06 ` Laurent Pinchart
2013-04-11 20:06 ` Laurent Pinchart
2013-04-11 20:06 ` Laurent Pinchart
2013-04-11 20:38 ` Stephen Warren
2013-04-11 20:38 ` Stephen Warren
2013-04-11 20:38 ` Stephen Warren
2013-04-29 20:56 ` Laurent Pinchart
2013-04-29 20:56 ` Laurent Pinchart
2013-04-29 20:56 ` Laurent Pinchart
2013-04-29 21:15 ` Tomasz Figa
2013-04-29 21:15 ` Tomasz Figa
2013-04-29 21:15 ` Tomasz Figa
2013-04-29 21:20 ` Laurent Pinchart
2013-04-29 21:20 ` Laurent Pinchart
2013-04-29 21:20 ` Laurent Pinchart
2013-04-29 21:31 ` Tomasz Figa
2013-04-29 21:31 ` Tomasz Figa
2013-04-29 21:31 ` Tomasz Figa
2013-04-29 21:40 ` Laurent Pinchart
2013-04-29 21:40 ` Laurent Pinchart
2013-04-29 21:40 ` Laurent Pinchart
2013-04-29 22:04 ` Arnd Bergmann
2013-04-29 22:04 ` Arnd Bergmann
2013-04-29 22:04 ` Arnd Bergmann
2013-04-29 22:23 ` Laurent Pinchart
2013-04-29 22:23 ` Laurent Pinchart
2013-04-29 22:23 ` Laurent Pinchart
2013-04-29 22:40 ` Olof Johansson
2013-04-29 22:40 ` Olof Johansson
2013-04-29 22:40 ` Olof Johansson
2013-04-30 9:50 ` Laurent Pinchart
2013-04-30 9:50 ` Laurent Pinchart
2013-04-30 9:50 ` Laurent Pinchart
2013-05-02 18:25 ` Stephen Warren
2013-05-02 18:25 ` Stephen Warren
2013-05-02 18:25 ` Stephen Warren
2013-05-02 18:35 ` Geert Uytterhoeven
2013-05-02 18:35 ` Geert Uytterhoeven
2013-05-02 18:35 ` Geert Uytterhoeven
2013-05-03 10:06 ` Laurent Pinchart
2013-05-03 10:06 ` Laurent Pinchart
2013-05-03 10:06 ` Laurent Pinchart
2013-05-07 21:33 ` Andrew Morton
2013-05-07 21:33 ` Andrew Morton
2013-05-07 21:33 ` Andrew Morton
2013-05-08 2:36 ` Stephen Warren
2013-05-08 2:36 ` Stephen Warren
2013-05-08 2:36 ` Stephen Warren
2013-05-08 19:28 ` Olof Johansson
2013-05-08 19:28 ` Olof Johansson
2013-05-08 19:28 ` Olof Johansson
2013-05-08 20:58 ` Rob Landley
2013-05-08 20:58 ` Rob Landley
2013-05-08 20:58 ` Rob Landley
2013-04-30 7:28 ` Tomi Valkeinen
2013-04-30 7:28 ` Tomi Valkeinen
2013-04-30 7:28 ` Tomi Valkeinen
2013-04-11 10:42 ` Geert Uytterhoeven
2013-04-11 10:42 ` Geert Uytterhoeven
2013-04-11 10:42 ` Geert Uytterhoeven
2013-04-11 16:10 ` Stephen Warren [this message]
2013-04-11 16:10 ` Stephen Warren
2013-04-11 16:10 ` Stephen Warren
2013-04-30 7:27 ` Tomi Valkeinen
2013-04-30 7:27 ` Tomi Valkeinen
2013-04-30 7:27 ` Tomi Valkeinen
2013-04-30 10:28 ` Arnd Bergmann
2013-04-30 10:28 ` Arnd Bergmann
2013-04-30 10:28 ` Arnd Bergmann
2013-04-30 11:42 ` Laurent Pinchart
2013-04-30 11:42 ` Laurent Pinchart
2013-04-30 11:42 ` Laurent Pinchart
2013-04-30 11:48 ` Tomi Valkeinen
2013-04-30 11:48 ` Tomi Valkeinen
2013-04-30 11:48 ` Tomi Valkeinen
2013-04-30 11:49 ` Laurent Pinchart
2013-04-30 11:49 ` Laurent Pinchart
2013-04-30 11:49 ` Laurent Pinchart
2013-04-30 11:46 ` Tomi Valkeinen
2013-04-30 11:46 ` Tomi Valkeinen
2013-04-30 11:46 ` Tomi Valkeinen
2013-05-03 5:40 ` Dave Airlie
2013-05-03 5:40 ` Dave Airlie
2013-05-03 5:40 ` Dave Airlie
2013-04-30 7:39 ` Tomi Valkeinen
2013-04-30 7:39 ` Tomi Valkeinen
2013-04-30 7:39 ` Tomi Valkeinen
2013-04-30 10:34 ` Arnd Bergmann
2013-04-30 10:34 ` Arnd Bergmann
2013-04-30 10:34 ` Arnd Bergmann
2013-04-30 14:38 ` Re[2]: [PATCH V2] video: implement a simple f =?UTF-8?B?cmFtZWJ1ZmZlciBkc Alexander Shiyan
2013-04-30 14:38 ` Re[2]: [PATCH V2] video: implement a simple framebuffer driver Alexander Shiyan
2013-04-30 14:38 ` Alexander Shiyan
2013-04-30 15:07 ` Arnd Bergmann
2013-04-30 15:07 ` Arnd Bergmann
2013-04-30 15:07 ` Arnd Bergmann
2013-05-18 10:29 ` Alexandre Courbot
2013-05-18 10:29 ` Alexandre Courbot
2013-05-18 10:29 ` Alexandre Courbot
2013-05-20 15:25 ` Stephen Warren
2013-05-20 15:25 ` Stephen Warren
2013-05-20 15:25 ` Stephen Warren
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