drm/amd/display: handle null link encoder

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[Why]
The link encoder mapping could return a null one and causes system crash.

[How]
Let the mapping can get an available link encoder without endpoint
identification check.

Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Martin Tsai <martin.tsai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Martin Tsai 2022-01-27 12:48:39 +08:00 • committed by Alex Deucher

parent ed3a56f9c6

commit 66d58bf73b

2 changed files with 5 additions and 31 deletions

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25

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

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11

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

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