tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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drm/i915/dp: Fix the link service IRQ DPCD_REV check

The DP_LINK_SERVICE_IRQ_VECTOR_ESI0 DPCD register is supported only
since DPCD REV 1.2, so fix the revision check accordingly.

Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260225164618.1261368-11-imre.deak@intel.com

Imre Deak fbb003f8 e0f252bb

+1 -1
+1 -1
drivers/gpu/drm/i915/display/intel_dp.c
··· 5812 5812 bool reprobe_needed = false; 5813 5813 u8 val; 5814 5814 5815 - if (intel_dp->dpcd[DP_DPCD_REV] < 0x11) 5815 + if (intel_dp->dpcd[DP_DPCD_REV] < DP_DPCD_REV_12) 5816 5816 return false; 5817 5817 5818 5818 if (drm_dp_dpcd_readb(&intel_dp->aux,