drm/amd/display: should check error using DC_OK

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core_link_read_dpcd returns only DC_OK(1) and DC_ERROR_UNEXPECTED(-1),
the caller should check error using DC_OK instead of checking against 0

Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Tong Zhang 2020-08-16 03:32:12 -04:00 • committed by Alex Deucher

parent 1d5503331b

commit 16697cf39e

1 changed files with 4 additions and 4 deletions

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

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