Hi Sam On Tue, May 5, 2020 at 10:03 PM Sam Ravnborg <sam@xxxxxxxxxxxx> wrote: > > Hi Artem. > > On Tue, May 05, 2020 at 01:24:16PM +0300, Artem Mygaiev wrote: > > Hello all > > > > I am currently working on DRM/KMS driver for Fresco Logic FL2000 USB display > > controller [1]. I have already implemented a POC driver [2] which is working for > > me, although there are still plenty of things to improve or fix, of course. > > > > So far I have one thing that I somehow cannot find in DRM/KMS documentation or > > existing drivers: how to tell the system that HW expects sRGB (i.e. non-linear) > > color encoding in framebuffers? This is a HW limitation that I cannot influence > > by configuration. > > > > Any pointers are greatly appreciated. > No clue, I hope others can help you. > Meanwhile I have implemented conversion to rgb565 in driver, HW seem to handle it correctly. > > > > [1] www.frescologic.com/product/single/fl2000 > > > [2] https://github.com/klogg/fl2000_drm > I just visited your github site - and noticed you are using the > it66121 bridge. > > Phong LE <ple@xxxxxxxxxxxx> have recently submitted a patch to > add this bridge to the kernel: > https://lore.kernel.org/dri-devel/20200311125135.30832-1-ple@xxxxxxxxxxxx/ Thanks for the pointer, the code looks familiar :) @Phong, feel free to add me to reviewers, I'll also test it with fl2k later on. > > I did not really looks at your code, awaits that you feel ready to submit > it. > Sam Best regards, Artem Mygaiev _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
