On Wed, Jan 26, 2022 at 01:37:00PM +0100, Javier Martinez Canillas wrote: > On 1/26/22 11:28, Dan Carpenter wrote: > > On Wed, Jan 26, 2022 at 12:04:26PM +0200, Andy Shevchenko wrote: > >> On Wed, Jan 26, 2022 at 12:02 PM Andy Shevchenko > >> <andy.shevchenko@xxxxxxxxx> wrote: > >>> On Wed, Jan 26, 2022 at 10:52 AM Thomas Zimmermann <tzimmermann@xxxxxxx> wrote: > >>>> Am 25.01.22 um 21:21 schrieb Andy Shevchenko: > >> > >> ... > >> > >>>> But why? We already have DRM drivers for some of these devices. > >>> > >>> No, we do not (only a few are available). > >> > >> Sorry, I missed your word 'some'. Some == almost none from the list (I > >> don't remember exact numbers but something like 2 out of 10 are > >> supported by tiny DRM and see about interfaces). > > > > Could we get an exact list? > > > > The list AFAICT is the following. I'm not familiar with these so please > feel free to correct anything I got wrong here. > > I've marked with '?' if found references to the device supported by the > fbdev driver in a DRM driver, but it's not clear if support the same HW. > > Drivers in drivers/staging/fbtft: Thanks! Note, there is no support for the devices with parallel interface in the DRM. So, basically we can't kill even a single one from fbtft if there is a user for it. > fb_agm1264k-fl.c > fb_bd663474.c > fb_hx8340bn.c > fb_hx8347d.c (DRM driver in drivers/gpu/drm/tiny/hx8357d.c) > fb_hx8353d.c > fb_hx8357d.c (DRM driver in drivers/gpu/drm/tiny/hx8357d.c) > fb_ili9163.c (DRM driver in drivers/gpu/drm/tiny/ili9163.c) > fb_ili9320.c > fb_ili9325.c > fb_ili9340.c (DRM driver in drivers/gpu/drm/tiny/mi0283qt.c ?) Not sure. > fb_ili9341.c (DRM driver in drivers/gpu/drm/tiny/mi0283qt.c ?) Yes and for the fact there are two drivers for the same chip in the DRM. Overall there are three different drivers for Ilitek 9341. > fb_ili9481.c > fb_ili9486.c (DRM driver in drivers/gpu/drm/tiny/ili9486.c) > fb_pcd8544.c > fb_ra8875.c > fb_s6d02a1.c > fb_s6d1121.c > fb_seps525.c > fb_sh1106.c > fb_ssd1289.c > fb_ssd1305.c > fb_ssd1306.c > fb_ssd1325.c > fb_ssd1331.c > fb_ssd1351.c > fb_st7735r.c (DRM driver in drivers/gpu/drm/tiny/st7735r.c) > fb_st7789v.c (DRM driver in drivers/gpu/drm/panel/panel-sitronix-st7789v.c) > fb_tinylcd.c > fb_tls8204.c > fb_uc1611.c > fb_uc1701.c > fb_upd161704.c > fb_watterott.c -- With Best Regards, Andy Shevchenko
