On Mon, Jul 11, 2022 at 11:12:51AM +0200, Sam Ravnborg wrote: > Hi Thomas, > > On Mon, Jul 11, 2022 at 10:50:00AM +0200, Thomas Zimmermann wrote: > > Hi > > > > Am 09.07.22 um 15:38 schrieb Sam Ravnborg: > > > Hi Geert, > > > > > > On Fri, Jul 08, 2022 at 08:20:45PM +0200, Geert Uytterhoeven wrote: > > > > Hi all, > > > > > > > > A long outstanding issue with the DRM subsystem has been the lack of > > > > support for low-color displays, as used typically on older desktop > > > > systems, and on small embedded displays. > > > > For the patchset > > > > Acked-by: Thomas Zimemrmann <tzimmermann@xxxxxxx> > > > > > > > > IT is super to have this addressed - thanks! > > > > > > > > > > > This patch series adds support for color-indexed frame buffer formats > > > > with 2, 4, and 16 colors. It has been tested on ARAnyM using a > > > > work-in-progress Atari DRM driver supporting 2, 4, 16, 256, and 65536 > > > > colors, with text console operation, fbtest, and modetest. > > > > > > > > Overview: > > > > - Patch 1 introduces a helper, to be used by later patches in the > > > > series, > > > > - Patch 2 introduces a flag to indicate color-indexed formats, > > > > - Patches 3 and 4 correct calculations of bits per pixel for sub-byte > > > > pixel formats, > > > > - Patches 5 and 6 introduce the new C[124] formats, > > > > - Patch 7 fixes an untested code path, > > > > - Patch 8 documents the use of "red" for light-on-dark displays, > > > > - Patches 9 and 10 add more fourcc codes for light-on-dark and > > > > dark-on-light frame buffer formats, which may be useful for e.g. the > > > > ssd130x and repaper drivers. > > > > > > Applied all patches to drm-misc (drm-misc-next), including the last two > > > RFC patches as we then have the formats ready when a user pops up. > > > > I know it's v3 already, but give people at least a workday for reviewing > > before merging patches of this size and impact. Friday-evening patches are > > not supposed to be merged on Saturday afternoons. > > Sorry for being too enthusiastic on this one. > Will wait a bit more in the future for these kind of patches. Took me a bit longer to unburry and get to this, and lgtm except patch 1 where I have a semantic concern. Can you pls do the quick patch to adjust that? Since this is all about the Cx/Rx/Dx formats I don't think it'll matter really. Thanks, Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch