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(parent: 794550c) | patch
drm/amd/display: Read DP_SINK_COUNT_ESI range on HPD for DP 1.4
authorNikola Cornij <nikola.cornij@amd.com>
Wed, 9 May 2018 17:11:35 +0000 (13:11 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 29 May 2018 19:01:48 +0000 (14:01 -0500)
commitc733e40c74457ad6aa56cc8b3318e829b8274bef
treeffad632fec9a61b8bf577891c4a26cc5ac1cc488tree | snapshot
parent794550c6eaf791bfd2e8d70e11aa56fdd6361725commit | diff
drm/amd/display: Read DP_SINK_COUNT_ESI range on HPD for DP 1.4

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>
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c diff | blob | history
Domain: System / Kernel;