From: Javier Martinez Canillas <javierm@redhat.com> To: Sam Ravnborg <sam@ravnborg.org> Cc: linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org, "Noralf Trønnes" <noralf@tronnes.org>, "David Airlie" <airlied@linux.ie>, "Daniel Vetter" <daniel.vetter@ffwll.ch>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, "Liam Girdwood" <lgirdwood@gmail.com>, "Mark Brown" <broonie@kernel.org>, "Geert Uytterhoeven" <geert@linux-m68k.org>, "Maxime Ripard" <maxime@cerno.tech>, "Thomas Zimmermann" <tzimmermann@suse.de>, "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>, "Thierry Reding" <thierry.reding@gmail.com>, "Andy Shevchenko" <andriy.shevchenko@linux.intel.com>, "Lee Jones" <lee.jones@linaro.org> Subject: Re: [PATCH 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED displays Date: Tue, 1 Feb 2022 00:37:59 +0100 [thread overview] Message-ID: <0924dfdc-a8c3-5e0f-9362-6c27811b4bd6@redhat.com> (raw) In-Reply-To: <YfhM97cVH3+lJKg0@ravnborg.org> On 1/31/22 21:56, Sam Ravnborg wrote: > Hi Javier, > On Mon, Jan 31, 2022 at 09:12:20PM +0100, Javier Martinez Canillas wrote: >> This patch series adds a DRM driver for the Solomon OLED SSD1305, SSD1306, >> SSD1307 and SSD1309 displays. It is a port of the ssd1307fb fbdev driver. >> >> Using the DRM fb emulation, all the tests from Geert Uytterhoeven's fbtest >> (https://git.kernel.org/pub/scm/linux/kernel/git/geert/fbtest.git) passes: > > Impressed how fast you did this! > Saw the picture you posted a link to on irc - nice. > Thanks :) What's impressive is how many helper functions the DRM core has, so typing a new DRM driver is something that could be achieved in a few hours. Which was one of my goals with this experiment, to understand how much effort would be for a developer with no prior experience with DRM to port a fbdev driver. >> Patch #3 adds the driver. The name ssd1307 was used instead of ssd130x >> (which would be more accurate) to avoid confusion for users who want to >> migrate from the existing ssd1307fb fbdev driver. > Looking forward the name ssd130x would make more sense. There is only so > many existing users and a potential of much more new users. > So in my color of the world the naming that benefits the most users > wins. > Agreed. That's also what Andy suggested and makes a lot of sense to me. > Sam > 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: Sam Ravnborg <sam@ravnborg.org> Cc: linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org, "Thomas Zimmermann" <tzimmermann@suse.de>, "David Airlie" <airlied@linux.ie>, "Daniel Vetter" <daniel.vetter@ffwll.ch>, "Mark Brown" <broonie@kernel.org>, dri-devel@lists.freedesktop.org, "Liam Girdwood" <lgirdwood@gmail.com>, "Noralf Trønnes" <noralf@tronnes.org>, "Geert Uytterhoeven" <geert@linux-m68k.org>, "Maxime Ripard" <maxime@cerno.tech>, "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>, "Thierry Reding" <thierry.reding@gmail.com>, "Andy Shevchenko" <andriy.shevchenko@linux.intel.com>, "Lee Jones" <lee.jones@linaro.org> Subject: Re: [PATCH 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED displays Date: Tue, 1 Feb 2022 00:37:59 +0100 [thread overview] Message-ID: <0924dfdc-a8c3-5e0f-9362-6c27811b4bd6@redhat.com> (raw) In-Reply-To: <YfhM97cVH3+lJKg0@ravnborg.org> On 1/31/22 21:56, Sam Ravnborg wrote: > Hi Javier, > On Mon, Jan 31, 2022 at 09:12:20PM +0100, Javier Martinez Canillas wrote: >> This patch series adds a DRM driver for the Solomon OLED SSD1305, SSD1306, >> SSD1307 and SSD1309 displays. It is a port of the ssd1307fb fbdev driver. >> >> Using the DRM fb emulation, all the tests from Geert Uytterhoeven's fbtest >> (https://git.kernel.org/pub/scm/linux/kernel/git/geert/fbtest.git) passes: > > Impressed how fast you did this! > Saw the picture you posted a link to on irc - nice. > Thanks :) What's impressive is how many helper functions the DRM core has, so typing a new DRM driver is something that could be achieved in a few hours. Which was one of my goals with this experiment, to understand how much effort would be for a developer with no prior experience with DRM to port a fbdev driver. >> Patch #3 adds the driver. The name ssd1307 was used instead of ssd130x >> (which would be more accurate) to avoid confusion for users who want to >> migrate from the existing ssd1307fb fbdev driver. > Looking forward the name ssd130x would make more sense. There is only so > many existing users and a potential of much more new users. > So in my color of the world the naming that benefits the most users > wins. > Agreed. That's also what Andy suggested and makes a lot of sense to me. > Sam > Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat
next prev parent reply other threads:[~2022-01-31 23:38 UTC|newest] Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-31 20:12 [PATCH 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED displays Javier Martinez Canillas 2022-01-31 20:12 ` Javier Martinez Canillas 2022-01-31 20:12 ` [PATCH 1/4] drm: Add I2C connector type Javier Martinez Canillas 2022-01-31 20:12 ` Javier Martinez Canillas 2022-01-31 20:52 ` Sam Ravnborg 2022-01-31 23:26 ` Javier Martinez Canillas 2022-01-31 23:26 ` Javier Martinez Canillas 2022-02-01 12:58 ` Noralf Trønnes 2022-02-01 12:58 ` Noralf Trønnes 2022-02-01 13:06 ` Javier Martinez Canillas 2022-02-01 13:20 ` Noralf Trønnes 2022-02-01 13:55 ` Javier Martinez Canillas 2022-02-01 13:38 ` Simon Ser 2022-02-01 13:38 ` Simon Ser 2022-02-01 14:20 ` Noralf Trønnes 2022-02-01 14:20 ` Noralf Trønnes 2022-02-01 20:57 ` Sam Ravnborg 2022-02-01 22:29 ` Simon Ser 2022-02-01 22:29 ` Simon Ser 2022-02-02 8:46 ` Javier Martinez Canillas 2022-02-02 8:46 ` Javier Martinez Canillas 2022-02-02 9:14 ` Thomas Zimmermann 2022-02-02 9:14 ` Thomas Zimmermann 2022-02-02 9:45 ` Noralf Trønnes 2022-02-02 9:45 ` Noralf Trønnes 2022-02-02 15:04 ` Pekka Paalanen 2022-02-02 15:04 ` Pekka Paalanen 2022-02-02 16:00 ` Noralf Trønnes 2022-02-02 16:00 ` Noralf Trønnes 2022-01-31 20:12 ` [PATCH 2/4] drm/format-helper: Add drm_fb_gray8_to_mono_reversed() Javier Martinez Canillas 2022-01-31 20:12 ` Javier Martinez Canillas 2022-02-01 9:59 ` Thomas Zimmermann 2022-02-01 9:59 ` Thomas Zimmermann 2022-02-01 11:13 ` Pekka Paalanen 2022-02-01 11:13 ` Pekka Paalanen 2022-02-01 11:48 ` Javier Martinez Canillas 2022-02-01 11:48 ` Javier Martinez Canillas 2022-03-14 13:40 ` Geert Uytterhoeven 2022-03-14 13:40 ` Geert Uytterhoeven 2022-03-14 14:07 ` Javier Martinez Canillas 2022-03-14 14:07 ` Javier Martinez Canillas 2022-01-31 20:36 ` [PATCH 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED displays Simon Ser 2022-01-31 20:36 ` Simon Ser 2022-01-31 20:39 ` Simon Ser 2022-01-31 20:39 ` Simon Ser 2022-01-31 23:21 ` Javier Martinez Canillas 2022-01-31 23:21 ` Javier Martinez Canillas 2022-02-01 8:26 ` Geert Uytterhoeven 2022-02-01 8:26 ` Geert Uytterhoeven 2022-02-01 8:34 ` Simon Ser 2022-02-01 8:34 ` Simon Ser 2022-02-01 8:36 ` Geert Uytterhoeven 2022-02-01 8:36 ` Geert Uytterhoeven 2022-02-01 10:08 ` Thomas Zimmermann 2022-02-01 10:08 ` Thomas Zimmermann 2022-02-01 10:11 ` Simon Ser 2022-02-01 10:11 ` Simon Ser 2022-02-01 10:17 ` Thomas Zimmermann 2022-02-01 10:17 ` Thomas Zimmermann 2022-02-01 8:38 ` Daniel Vetter 2022-02-01 8:38 ` Daniel Vetter 2022-02-01 9:49 ` Javier Martinez Canillas 2022-02-01 9:49 ` Javier Martinez Canillas 2022-02-01 10:42 ` Pekka Paalanen 2022-02-01 10:42 ` Pekka Paalanen 2022-02-01 11:07 ` Geert Uytterhoeven 2022-02-01 11:07 ` Geert Uytterhoeven 2022-02-02 9:19 ` Pekka Paalanen 2022-02-02 9:19 ` Pekka Paalanen 2022-02-02 10:55 ` Geert Uytterhoeven 2022-02-02 10:55 ` Geert Uytterhoeven 2022-01-31 20:56 ` Sam Ravnborg 2022-01-31 23:37 ` Javier Martinez Canillas [this message] 2022-01-31 23:37 ` Javier Martinez Canillas 2022-02-01 9:37 ` Andy Shevchenko 2022-02-01 9:37 ` Andy Shevchenko 2022-02-01 11:31 ` Javier Martinez Canillas 2022-02-01 11:31 ` Javier Martinez Canillas 2022-02-01 11:38 ` Geert Uytterhoeven 2022-02-01 11:38 ` Geert Uytterhoeven 2022-02-01 13:09 ` Javier Martinez Canillas 2022-02-01 13:09 ` Javier Martinez Canillas 2022-02-01 14:14 ` Geert Uytterhoeven 2022-02-01 14:14 ` Geert Uytterhoeven 2022-02-01 15:03 ` Javier Martinez Canillas 2022-02-01 15:03 ` Javier Martinez Canillas 2022-02-01 20:40 ` Sam Ravnborg 2022-02-01 20:40 ` Sam Ravnborg 2022-02-02 8:38 ` Javier Martinez Canillas 2022-02-02 8:38 ` Javier Martinez Canillas 2022-02-02 11:06 ` Andy Shevchenko 2022-02-02 11:06 ` Andy Shevchenko 2022-02-02 11:39 ` Javier Martinez Canillas 2022-02-02 11:39 ` Javier Martinez Canillas 2022-02-02 11:50 ` Andy Shevchenko 2022-02-02 11:50 ` Andy Shevchenko 2022-02-02 11:54 ` Javier Martinez Canillas 2022-02-02 11:54 ` Javier Martinez Canillas 2022-02-02 12:21 ` Andy Shevchenko 2022-02-02 12:21 ` Andy Shevchenko 2022-02-01 8:43 ` Geert Uytterhoeven 2022-02-01 8:43 ` Geert Uytterhoeven 2022-02-01 9:27 ` Simon Ser 2022-02-01 9:27 ` Simon Ser 2022-02-01 10:36 ` Javier Martinez Canillas 2022-02-01 10:36 ` Javier Martinez Canillas
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