drm/amd/display: Add dcn401 DIG fifo enable/disable

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[Why]
Found while hotplugging MST daisy chain displays. Changing dispclk
during this sequence caused SMU hang due to DIG fifo not being disabled
correctly (caused by missing functions).

[How]
Adding disable/enable DIG fifo functions for dcn401

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Relja Vojvodic <relja.vojvodic@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Relja Vojvodic 2024-06-04 09:23:15 -04:00 • committed by Alex Deucher

parent 6184bd5750

commit 8867ae8cfa

3 changed files with 11 additions and 3 deletions

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4

drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_stream_encoder.c

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6

drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_stream_encoder.h

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4

drivers/gpu/drm/amd/display/dc/dcn401/dcn401_dio_stream_encoder.c

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