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04a69d20a0
linux/drivers/gpu/drm/amd/display
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Mario Kleiner 72a7cf0aec drm/amd/display: Keep linebuffer pixel depth at 30bpp for DCE-11.0. 
Testing on AMD Carizzo with DCE-11.0 display engine showed that
it doesn't like a 36 bpp linebuffer very much. The display just
showed a solid green.

Testing on RavenRidge DCN-1.0, Polaris11 with DCE-11.2 and Kabini
with DCE-8.3 did not expose any problems, so for now only revert
to 30 bpp linebuffer depth on asics with DCE-11.0 display engine.

Fixes: a316db7209 ("drm/amd/display: Increase linebuffer pixel depth to 36bpp.")
Reported-by: Tom StDenis <Tom.StDenis@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-06-04 12:40:01 -04:00
..
amdgpu_dm Merge tag 'amd-drm-next-5.14-2021-06-02' of https://gitlab.freedesktop.org/agd5f/linux into drm-next 2021-06-04 06:13:57 +10:00
dc drm/amd/display: Keep linebuffer pixel depth at 30bpp for DCE-11.0. 2021-06-04 12:40:01 -04:00
dmub drm/amd/display/dmub/src/dmub_srv_stat: Convert function header to kernel-doc 2021-05-27 12:33:52 -04:00
include drm/amd/display/dc/gpio/gpio_service: Pass around correct dce_{version, environment} types 2021-05-27 12:33:51 -04:00
modules drm/amd/display: Avoid HDCP over-read and corruption 2021-06-01 22:55:39 -04:00
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