drm/amd/display: Fix DMUB outbox trace in S4 (#4465)
[Why] DMUB Outbox0 read/write pointer not sync after resumed from S4. And that caused old traces were sent to outbox. [How] Disable DMUB Outbox0 interrupt and clear DMUB Outbox0 read/write pointer when resumes from S4. And then enable Outbox0 interrupt before starts DMCUB. Reviewed-by:Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by:
Jasdeep Dhillon <jdhillon@amd.com> Tested-by:
Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by:
Cruise Hung <Cruise.Hung@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com>
parent
92909cde
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