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(parent: 21bd632) | patch
drm/i915/dp: Fix the device service IRQ DPCD_REV check
authorImre Deak <imre.deak@intel.com>
Wed, 25 Feb 2026 16:46:07 +0000 (18:46 +0200)
committerImre Deak <imre.deak@intel.com>
Tue, 3 Mar 2026 15:49:06 +0000 (17:49 +0200)
commite0f252bb36dea780971af4736622d2c7be60d122
treed8e9c573c4b465e6d5a96698453b63774465b08ctree | snapshot
parent21bd63282215c515e914da4d15c137af737e115bcommit | diff
drm/i915/dp: Fix the device service IRQ DPCD_REV check

The DP_DEVICE_SERVICE_IRQ_VECTOR DPCD register is supported since DPCD
REV 1.0, so read it out always. Flags added only by later DPCD revisions
are defined as reserved/must-be-zero by earlier DP Standard versions.

Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260225164618.1261368-10-imre.deak@intel.com
drivers/gpu/drm/i915/display/intel_dp.c diff | blob | blame | history
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