drm/amd/display: Query DPIA HPD status.

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[Why]
Driver needs up to date DPIA HPD status.

[How]
Use HPD query command to get DPIA HPD status.

Reviewed-by: Meenakshikumar Somasundaram <Meenakshikumar.Somasundaram@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Jimmy Kizito 2022-04-01 15:24:47 -04:00 • committed by Alex Deucher

parent d84c4d194e

commit fc0b067df7

3 changed files with 26 additions and 1 deletions

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3

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

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19

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

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5

drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h

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