On Sun, Jun 26, 2016 at 11:53 PM, Michel Dänzer <michel at daenzer.net> wrote: > On 24.06.2016 23:13, Deucher, Alexander wrote: >>> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf >>> Of Michel Dänzer >>> [...] >>> We can use the dimensions of the CRTC's mode instead. >> >> Will this break panning mode? > > No, panning still works fine with this change. These dimensions are just > used for clamping the extents of damage after it was transformed into > the CRTC coordinate space. When panning, drmmode_set_mode_major damages > the whole virtual screen, which in this code results in the transformed > and clamped extents still covering the whole CRTC, so the scanout pixmap > gets updated with the contents of the CRTC viewport at the new position. > Thanks for explaining. The patch set is: Reviewed-by: Alex Deucher <alexander.deucher at amd.com> > > -- > Earthling Michel Dänzer | http://www.amd.com > Libre software enthusiast | Mesa and X developer > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
