[PATCH 10/20] drm/i915/dp: Fix the link service IRQ DPCD_REV check

[Imre Deak]

From: Imre Deak <imre.deak at gmail.com>

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

Signed-off-by: Imre Deak <imre.deak at gmail.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 6262b661d026e..7793a72983abd 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5420,7 +5420,7 @@ 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,
-- 
2.44.2