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(parent: bd399c3) | patch
drm/amd/display: fix register write sequence for LINK_SQUARE_PATTERN
authorWenjing Liu <wenjing.liu@amd.com>
Fri, 15 Oct 2021 16:48:41 +0000 (12:48 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 3 Nov 2021 16:32:34 +0000 (12:32 -0400)
commit17f2f3e8727b848f42d038fac00464c19a1a4a5f
treec8d18307aa41d357465d624eb474818aaf87b556tree | snapshot
parentbd399c3c4f4d8d0a9bc767b2e0d57ee2fb884839commit | diff
drm/amd/display: fix register write sequence for LINK_SQUARE_PATTERN

[why&how]
write LINK_SQUARE_PATTERN_num + 1 for square pulse pattern.
Specs requirement to write this register prior to write LINK_QUAL_LANEX_SET.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@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
drivers/gpu/drm/amd/display/dc/dc_dp_types.h diff | blob | history
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