https://bugs.freedesktop.org/show_bug.cgi?id=101053
Bug ID: 101053
Summary: DC R9 285 fullscreen video regression since
drm/amd/display: Parse scanline registers
Product: DRI
Version: DRI git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: adf.li...@gmail.com
R9 285 tonga since
commit afbeb2d0961b2139bcf6553a710e6a8ae5d09d34
Author: Sylvia Tsai <sylvia.t...@amd.com>
Date: Tue Apr 11 15:15:28 2017 -0400
drm/amd/display: Parse scanline registers
They could differ between ASIC generations
Change-Id: Ia352ae206273fe3a025579554cae4e3711a26fcc
on agd5f drm staging 4.9/11 there is a regression with full screen video.
mpv --vo=vaapi/vdpau/opengl all the same, dropping frames, or playing slowmo
with --framedrop=no
Windowed playback is OK, testing with 60fps vid on 60Hz DVI-D display.
Forcing clocks high does not help.
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