On Tue, Oct 27, 2020 at 11:13 AM Thomas Zimmermann <tzimmerm...@suse.de> wrote: > > Hi > > Am 16.10.20 um 13:35 schrieb Daniel Vetter: > > On Fri, Oct 16, 2020 at 12:38 PM Simon Ser <cont...@emersion.fr> wrote: > >> > >>> The only thing we support is xrgb8888. > >>> > >>> Signed-off-by: Daniel Vetter <daniel.vet...@intel.com> > >>> Cc: Rodrigo Siqueira <rodrigosiqueiram...@gmail.com> > >>> Cc: Melissa Wen <melissa....@gmail.com> > >>> Cc: Haneen Mohammed <hamohammed...@gmail.com> > >>> Cc: Daniel Vetter <dan...@ffwll.ch> > >>> --- > >>> drivers/gpu/drm/vkms/vkms_drv.c | 2 +- > >>> 1 file changed, 1 insertion(+), 1 deletion(-) > >>> > >>> diff --git a/drivers/gpu/drm/vkms/vkms_drv.c > >>> b/drivers/gpu/drm/vkms/vkms_drv.c > >>> index 726801ab44d4..eb4007443706 100644 > >>> --- a/drivers/gpu/drm/vkms/vkms_drv.c > >>> +++ b/drivers/gpu/drm/vkms/vkms_drv.c > >>> @@ -124,7 +124,7 @@ static int vkms_modeset_init(struct vkms_device > >>> *vkmsdev) > >>> dev->mode_config.max_height = YRES_MAX; > >>> dev->mode_config.cursor_width = 512; > >>> dev->mode_config.cursor_height = 512; > >>> - dev->mode_config.preferred_depth = 24; > >>> + dev->mode_config.preferred_depth = 32; > >> > >> Are you sure xrgb8888's depth is 32 and not 24? Looking at drmdb [1], *all* > >> drivers set it to 24. > > > > Uh there's a problem I think. Depth should indeed stay at 24, the > > problem is that fb helpers directly take that to be the bpp parameter, > > which is a different thing. And if you look at how most drivers set up > > that, they pick 32. > > > > I guess I need to revert this here, and unconfuse the fb helpers about > > depth vs bpp. > > I just prepared the PR for drm-misc-next, but saw it at 32 still. Was > this supposed to be reverted?
Revert makes fbdev go boom, only thing that would work is leaving it at 0 so that everyone picks the default. I've tried to come up with a patch series to clean up this mess, but it's rather horrible :-/ -Daniel > > Best regards > Thomas > > > > > Maybe best would be to just switch over to preferred drm_fourcc format > > code, or maybe just pick this up from the first format the primary > > plane supports. > > > > This is all getting slightly tricky and a lot more work :-/ > > -Daniel > > -- > > Daniel Vetter > > Software Engineer, Intel Corporation > > http://blog.ffwll.ch > > _______________________________________________ > > dri-devel mailing list > > dri-devel@lists.freedesktop.org > > https://lists.freedesktop.org/mailman/listinfo/dri-devel > > > > -- > Thomas Zimmermann > Graphics Driver Developer > SUSE Software Solutions Germany GmbH > Maxfeldstr. 5, 90409 Nürnberg, Germany > (HRB 36809, AG Nürnberg) > Geschäftsführer: Felix Imendörffer -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
