On Mon, 10 Jun 2019 at 17:12, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: > > On Wed, 29 May 2019 at 17:46, Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > > > > Starting with ACPI 6.2 bits 1 and 2 of the BGRT status field are no longer > > reserved. These bits are now used to indicate if the image needs to be > > rotated before being displayed. > > > > The efifb code does not support rotating the image before copying it to > > the screen. > > > > This commit adds a check for these new bits and if they are set leaves the > > fb contents as is instead of trying to use the un-rotated BGRT image. > > > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > > Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> > BTW should we make sure that this patch and the efi-bgrt patch get merged at the same time? I guess the net result is just that we get rid of some error in the log, but a rotated BMP will be ignored otherwise. Or is it relevant for userland in some other way?
