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(parent: 8dd2e87) | patch
drm/amd/display: Avoid unnecessary pixel rate divider programming
authorTaimur Hassan <Syed.Hassan@amd.com>
Tue, 13 Sep 2022 22:35:20 +0000 (18:35 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 27 Sep 2022 21:59:07 +0000 (17:59 -0400)
commita28acf7091babf4248b042326946cee7736f796a
treec00e02c8a6d6b373432a8aa84c6edf9145afb5b3tree | snapshot
parent8dd2e87dbd49ba0b6afc1dd22a5930d797cf423fcommit | diff
drm/amd/display: Avoid unnecessary pixel rate divider programming

[Why]
Programming pixel rate divider when FIFO is enabled can cause FIFO error.

[How]
Skip divider programming when divider values are the same to prevent FIFO
error.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@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/dcn32/dcn32_dccg.c diff | blob | history
This is a test repository.
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