drm/amd/display: Fix null pointer dereference for encoders

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[Why]
Links which are dynamically assigned link encoders have their link
encoder set to NULL.

[How]
Check that a pointer to a link_encoder object is non-NULL before using
it.

Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Jimmy Kizito 2021-09-12 11:21:52 -04:00 • committed by Alex Deucher

parent 39371f7d13

commit 60f39edd89

2 changed files with 2 additions and 2 deletions

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2

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

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2

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

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