drm/amd/display: Read DP_SINK_COUNT_ESI range on HPD for DP 1.4

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DP 1.4 compliance now requires that registers at DP_SINK_COUNT_ESI range
(0x2002-0x2003, 0x200c-0x200f) are read instead of DP_SINK_COUNT range
(0x200-0x2005.

Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Nikola Cornij 2018-05-09 13:11:35 -04:00 • committed by Alex Deucher

parent 794550c6ea

commit c733e40c74

1 changed files with 30 additions and 5 deletions

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

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