regression on Carrizo display bringup
Tom St Denis
tom.stdenis at amd.com
Tue Nov 14 13:30:42 UTC 2017
Found when testing the tip of drm-next on my A12-9800 Carrizo.
[root at carrizo linux]# git bisect good
138a3358c17918bb5cd5aa1ea9e8760ac69c515d is the first bad commit
Author: Yongqiang Sun <yongqiang.sun at amd.com>
Date: Tue Nov 7 11:01:34 2017 -0500
drm/amd/display: Optimize programming front end
In case of update type is medium, optimize squence,
reduce programing time.
Signed-off-by: Yongqiang Sun <yongqiang.sun at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
:040000 040000 8d62da91eddb89e8152b46cce5c1c8aa8edb80bf
c377c5887076041e5a61640e78be756af48001ff M drivers
When I load amdgpu I get a screen that is mostly white with red bars and
then some noise. Nothing shows up in my dmesg log that is specific to
When I load X it seems like it's working though. I do get noise when I
resize mpv from full to windowed (and back) but it goes away.
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