Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> writes: > On Fri, Jun 30, 2023 at 10:29:20PM +0200, Javier Martinez Canillas wrote: >> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> writes: >> > On Fri, Jun 30, 2023 at 07:38:01PM +0200, Javier Martinez Canillas wrote: >> >> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> writes: >> >> > On Fri, Jun 30, 2023 at 12:51:02AM +0200, Javier Martinez Canillas wrote: >> >> >> This patch series splits the fbdev core support in two different Kconfig >> >> >> symbols: FB and FB_CORE. The motivation for this is to allow CONFIG_FB to >> >> >> be disabled, while still having the the core fbdev support needed for the >> >> >> CONFIG_DRM_FBDEV_EMULATION to be enabled. The motivation is automatically >> >> >> disabling all fbdev drivers instead of having to be disabled individually. >> >> >> >> >> >> The reason for doing this is that now with simpledrm, there's no need for >> >> >> the legacy fbdev (e.g: efifb or vesafb) drivers anymore and many distros >> >> > >> >> > How does simpledrm works with earlycon=efi? >> >> > >> >> >> >> simpledrm isn't for earlycon. For that you use a different driver (i.e: >> >> drivers/firmware/efi/earlycon.c). I'm just talking about fbdev drivers >> >> here that could be replaced by simpledrm. >> > >> > So, efifb can't be replaced. Please, fix your cover letter to reduce false >> > impression of the scope of usage of the simpledrm. >> > >> >> Nothing to fixup. >> >> You are conflating the efifb fbdev driver (drivers/video/fbdev/efifb.c) >> with the efifb earlycon driver (drivers/firmware/efi/earlycon.c). I'm >> talking about the former (which can be replaced by simpledrm) while you >> are talking about the latter. > > Ah, this makes sense! > > I remember now that it was (still is?) an attempt to move from efifb to > simpledrm, but have no idea what the status of that series is. > Indeed. And there was were also some patches IIRC to attempt porting the earlycon efifb to a fbdev or DRM driver, can't remember now. > -- > With Best Regards, > Andy Shevchenko > > -- Best regards, Javier Martinez Canillas Core Platforms Red Hat
