Created attachment 1200481 [details] Rectifies screen update breakage Description of problem: Screen update breakage Version-Release number of selected component (if applicable): kernel-4.7.3-200.fc24 & kernel-4.8.0-0.rc6.git0.1.fc25 How reproducible: 101% Steps to Reproduce: 1. X server runs on top of DisplayLink GPU USB2.0 device Actual results: Screen stuck in time Expected results: Screen content is refreshed, as expected Additional info: This reverts commit e375882 https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/drivers/gpu/drm/udl?h=linux-4.7.y&id=e375882 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/udl?id=e375882
Created attachment 1204810 [details] drm/udl: fix line iterator in damage handling (rhbz 1375566)
From now on, as part of mainline 4.8: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/udl/udl_fb.c?id=refs/tags/v4.8#n125
Likewise stable 4.7.7: https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/drivers/gpu/drm/udl/udl_fb.c?id=refs/tags/v4.7.7#n125