drm/amd/display: add pipe reassignment prevention code to dcn3

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Add code to gracefuly handle any pipe reassignment
occuring on dcn3 hardware. This should only happen when new
surfaces are used for an update rather than old ones updated.

Fixes: 69fc1f4b97 ("amd/drm/display: avoid dcn3 on flip opp change for slave pipes")
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Dmytro Laktyushkin 2020-09-28 17:59:38 -04:00 • committed by Alex Deucher

parent 8ffff9b449

commit d3768874e5

1 changed files with 49 additions and 12 deletions

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drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c

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