drm/amd/display: disable HPD SW timer for passive dongle type 1 only

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[why]
Need to provide this workaround
only for type 1 passive dongle

[how]
Detect if dongle is type 1 or 2.
And use it to determine if w/a is needed.

Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Sung Joon Kim <sungjoon.kim@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Sung Joon Kim 2022-02-24 14:58:52 -05:00 • committed by Alex Deucher

parent 76a52f36b6

commit 4a897de1d6

4 changed files with 5 additions and 0 deletions

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1

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

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2

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

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1

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

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1

drivers/gpu/drm/amd/display/include/ddc_service_types.h

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