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drm/amd/display: Trigger DIO FIFO resync on commit streams
authorSaaem Rizvi <syedsaaem.rizvi@amd.com>
Tue, 9 May 2023 18:41:59 +0000 (14:41 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 9 Jun 2023 14:42:58 +0000 (10:42 -0400)
commit3e8d74cb128fb1a4d56270ffbecea6056c55739a
tree230bbf7aaab6e757e903e9b12059cccb5fc01bf3
parent91b38ca1b331ef1af3b77e2ffdb41654e0fba127
drm/amd/display: Trigger DIO FIFO resync on commit streams

[WHY]
Currently, there is an intermittent issue where a screen can either go
blank or be corrupted.

[HOW]
To resolve the issue we trigger the ramping logic for DIO FIFO so that
it goes back up to the correct speed.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Saaem Rizvi <syedsaaem.rizvi@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.h
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c
drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h
drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h