drm/amd/display: turn on symclk for dio virtual stream in dpms sequence

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[why]
In order to support glitchless display clock ramping for virtual stream,
we must
turn on symclk for stream encoder. The code will power on phy and enable
symclk
for dio encoder during virtual stream dpms sequence.

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Wenjing Liu 2024-05-10 12:43:53 -04:00 • committed by Alex Deucher

parent 975507d73c

commit 7069484dbe

7 changed files with 34 additions and 21 deletions

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6

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

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3

drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_stream_encoder.c

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3

drivers/gpu/drm/amd/display/dc/dcn401/dcn401_dio_stream_encoder.c

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2

drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h

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7

drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c

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31

drivers/gpu/drm/amd/display/dc/link/link_dpms.c

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3

drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c

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