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(parent: b808a7e) | patch
drm/amd/display: write all 4 bytes of FFE_PRESET dpcd value
authorWenjing Liu <wenjing.liu@amd.com>
Thu, 22 Sep 2022 18:36:32 +0000 (14:36 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 6 Oct 2022 16:01:00 +0000 (12:01 -0400)
commitbaec651f4160f4c3f029edf84bbc18b4fcba9cf5
tree845c252afd0aab5af4633658d972f11f77dcb892tree | snapshot
parentb808a7eb30b02e05023b505fe6db590ba799683fcommit | diff
drm/amd/display: write all 4 bytes of FFE_PRESET dpcd value

[why]
According to specs, it expects us to write all 4 bytes even if
current lane count is less than 4.

Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c diff | blob | history
Domain: System / Kernel;