From: Imre Deak Date: Wed, 25 Feb 2026 16:46:08 +0000 (+0200) Subject: drm/i915/dp: Fix the link service IRQ DPCD_REV check X-Git-Tag: v7.1-rc1~167^2~24^2~64 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fbb003f8f722a0c7c8f409973d59dfcc8a54578c;p=thirdparty%2Flinux.git 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 Signed-off-by: Imre Deak Link: https://patch.msgid.link/20260225164618.1261368-11-imre.deak@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f04f15e158490..d63c3d69e9fcb 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5812,7 +5812,7 @@ static bool intel_dp_check_link_service_irq(struct intel_dp *intel_dp) bool reprobe_needed = false; u8 val; - if (intel_dp->dpcd[DP_DPCD_REV] < 0x11) + if (intel_dp->dpcd[DP_DPCD_REV] < DP_DPCD_REV_12) return false; if (drm_dp_dpcd_readb(&intel_dp->aux,