drm/amd/display: Don't apply FIFO resync W/A if rdivider = 0

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[Description]
It is not valid to set the WDIVIDER value to 0, so do not
re-write to DISPCLK_WDIVIDER if the current value is 0
(i.e., it is at it's initial value and we have not made any
requests to change DISPCLK yet).

Reviewed-by: Saaem Rizvi <syedsaaem.rizvi@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alvin Lee 2023-07-12 17:22:25 -04:00 • committed by Alex Deucher

parent 75bd42fd2e

commit 95aafbc1a5

1 changed files with 4 additions and 1 deletions

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drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c

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