I feared that you would say that :( In this case the patches are Acked-by: Christian König <christian.koenig at amd.com>. Thanks, Christian. Am 06.04.2018 um 13:23 schrieb Andrey Grodzovsky: > > Me and Alex talked to a BIOS guys yesterday exactly about that, a > dynamic way to query this info from BIOS, he just told us to reserve > 32M to cover 4K display. > > Andrey > > > On 04/06/2018 04:30 AM, Christian König wrote: >>> I wonder if there's no way to determine which part of VRAM is being >>> scanned out. If there was, we could just create a normal BO covering >>> that, which would get destroyed once no CRTC references it anymore. >> >> Unfortunately it goes further than that. The stolen VRAM is needed >> for VGA emulation, not only for scanout. >> >> But yes I agree that we somehow figure that value out from the BIOS. >> If I'm not completely mistaken I've also seen some atombios table >> with that info in some discussion. >> >> Christian. > > > > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180406/e161b6a8/attachment.html>