drm/amd/display: Disable MPC split by default on special asic

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[WHY]
All of pipes will be used when the MPC split enable on the dcn
which just has 2 pipes. Then MPO enter will trigger the minimal
transition which need programe dcn from 2 pipes MPC split to 2
pipes MPO. This action will cause lag if happen frequently.

[HOW]
Disable the MPC split for the platform which dcn resource is limited

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: Zhikai Zhai <zhikai.zhai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Zhikai Zhai 2023-06-30 11:35:14 +08:00 • committed by Alex Deucher

parent b97089b88c

commit dfa7a18303

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c

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