drm/amd/display: Override min required DCFCLK in dml1_validate

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[WHY]:
Increasing min DCFCLK addresses underflow issues that occur when phantom
pipe is turned on for some Sub-Viewport configs

[HOW]:
dcn32_override_min_req_dcfclk is added to override DCFCLK value in
dml1_validate when subviewport is being used.

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: Alex Hung <alex.hung@amd.com>
Signed-off-by: Sohaib Nadeem <sohaib.nadeem@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Sohaib Nadeem 2024-02-14 13:51:16 -05:00 • committed by Alex Deucher

parent 9b3fec307f

commit 26fbcb3da7

3 changed files with 10 additions and 0 deletions

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6

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c

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1

drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c

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3

drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.h

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