HDCP check link is invoked only on CP_IRQ detection, instead of all
short pulses.
v3:
No Changes.
v4:
Added sean in cc and collected the reviewed-by received.
Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dp.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 276eb49113e9..7287dc398afc 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4454,8 +4454,10 @@ intel_dp_short_pulse(struct intel_dp *intel_dp)
if (sink_irq_vector & DP_AUTOMATED_TEST_REQUEST)
intel_dp_handle_test_request(intel_dp);
- if (sink_irq_vector & (DP_CP_IRQ | DP_SINK_SPECIFIC_IRQ))
- DRM_DEBUG_DRIVER("CP or sink specific irq unhandled\n");
+ if (sink_irq_vector & DP_CP_IRQ)
+ intel_hdcp_check_link(intel_dp->attached_connector);
+ if (sink_irq_vector & DP_SINK_SPECIFIC_IRQ)
+ DRM_DEBUG_DRIVER("Sink specific irq unhandled\n");
}
/* defer to the hotplug work for link retraining if needed */
@@ -5425,9 +5427,6 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
handled = intel_dp_short_pulse(intel_dp);
- /* Short pulse can signify loss of hdcp authentication */
- intel_hdcp_check_link(intel_dp->attached_connector);
-
if (!handled) {
intel_dp->detect_done = false;
goto put_power;
--
2.7.4
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