drm/amd/display: Use dummy pstate latency for subvp when needed on dcn32

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[WHY?]
Prefetch is not budgetting time for dummy pstate when using subvp and low uclk.

[HOW?]
Override fclk change latency to use dummy pstate latency when calculating
prefetch schedule for subvp configs with low uclk.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Brian Chang <Brian.Chang@amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Dillon Varone 2022-11-07 14:58:55 -05:00 • committed by Alex Deucher

parent c09e37fe66

commit 0fc099c02a

1 changed files with 49 additions and 12 deletions

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drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c

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