Hi Martin, Thanks for the report. Adding Anatolij.
On Tue, Jan 12, 2021 at 1:11 PM Fuzzey, Martin <martin.fuzzey@flowbird.group> wrote: > > Hi all, > > After updating from u-boot 2018.11 to 2020.10 on an i.MX6 based board > I notice the colours when displaying bitmaps are wrong. > The reason is that, in both cases the framebuffer format (not > necessarily the physical output format) is hardcoded as RGB565 in the > IPU driver but the > bmp command is now assuming RGB55 > > This is because, in 2018.10 (before DM_VIDEO support for the i.MX > display was available) video_display_bitmap() in > drivers/video/cfb_console.c > was being used which supports both RGB565 and RGB555 depending on the > "gdfIndex" in a global graphics device structure. > > Now with DM_VIDEO video_bmp_display() in drivers/video/video_bmp.c is > used instead and that always assumes RGB555 when > displaying a 24 bit BMP on a 16 bit framebuffer. > > Of course this is easy to hack around but what is the correct solution? > > Maybe we should add a format field to struct video_priv that could be > initialised by the driver like xsize, ysize and bpix already are? > > Regards, > > Martin
