On Tue, Apr 16, 2019 at 5:36 PM Igor Opaniuk <[email protected]> wrote: > > Marek, Peng, > > Writing to you as you were the main contributors to U-boot mxsfb > driver implementation (i.MX23/i.MX28 LCDIF driver). > > I was about to start working on it's migration to DM (currently mxsfb > is being used on our SoM Colibri iMX7S/D), but found it a bit > out-dated (no one introduced any changes for the last 5 years) and > maybe it's really does make a sense to fetch and port the latest one > from the Linux mainline (in a sake of avoiding divergence in > implementation and continue fetching future updates from the Linux > kernel). > > So there are 2 questions spinning in my mind: > 1) In case if you are maybe aware, if there were any intentions to do > this migration before? (maybe someone asked similar questions or even > send some patches, but didn't manage to upstream that; or did similar > stuff in some downstream U-boot forks, whatever). Unfortunately I > can't any information regarding this in U-boot ML archives . > > 2) Will it be OK if I introduce a brand new mxsfb driver (ported from > Linux), which will be used only when U-boot is built with > CONFIG_DM_VIDEO enabled? Existing mxsfb will be left as it is, so I > can be removed easily when full migration to DM is done for all boards > that are using this driver.
How about keeping common code aside and make the existing driver to support dm and non-dm. We can take the required changes on top of dm code if possible, this would be prominent transition instead of having separate code base. _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
