On 14.8.2017 15:49, Daniel Vetter wrote: > On Mon, Aug 14, 2017 at 3:46 PM, Michal Simek <michal.simek@xxxxxxxxxx> wrote: >> On 14.8.2017 15:42, Linus Walleij wrote: >>> On Tue, Aug 8, 2017 at 10:10 AM, Michal Simek <michal.simek@xxxxxxxxxx> wrote: >>> >>>> Enable this driver for Xilinx ZynqMP. >>>> >>>> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> >>> >>> Not a comment on the patch per se, but I would advice you to look into >>> migrating the Xilinx frame buffer to DRI/DRM/KMS. >>> >>> The recent CMA helpers has made it very simple and focused to write >>> DRM drivers. See for example drivers/gpu/drm/pl111 >> >> There is a lot of work done by xilinx in this area gpu/drm/kms. I am >> trying to upstream what xilinx has in soc tree and this change is there. >> Maybe in this case it is useless and none is using it but it is there >> and I don't want to break user. There shouldn't be any technical problem >> to run this old fb driver in pl on arm64. > > A proper drm kms driver gives you backwards compat for fbdev for free. > And we're taking in patches to fill feature gaps in our fbdev > emulation as people hit them. There no reason nowadays at all to merge > new fbdev native drivers, your users will be taken care of by a drm > kms driver fully. You can look at xilinx work in this area. https://github.com/Xilinx/linux-xlnx Unfortunately they haven't started to upstream it. In this particular case I am not aware about anybody who is going to write new driver for this soft IP. Thanks, Michal -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
