Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 342ac601 authored by Ramalingam C's avatar Ramalingam C Committed by Daniel Vetter
Browse files

drm/i915: hdcp_check_link only on CP_IRQ 



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.
v5:
  No Change.
v6:
  No Change.
v7:
  No Change.
v8:
  Rebased.

Signed-off-by: default avatarRamalingam C <ramalingam.c@intel.com>
cc: Sean Paul <seanpaul@chromium.org>
Reviewed-by: default avatarUma Shankar <uma.shankar@intel.com>
Reviewed-by: default avatarSean Paul <seanpaul@chromium.org>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1540286550-20399-3-git-send-email-ramalingam.c@intel.com
parent f106d100

drivers/gpu/drm/i915/intel_dp.c

+5 −5
Original line number Diff line number Diff line
@@ -4530,8 +4530,11 @@ static void intel_dp_check_service_irq(struct intel_dp *intel_dp) 
	if (val & DP_AUTOMATED_TEST_REQUEST)

		intel_dp_handle_test_request(intel_dp);



	if (val & (DP_CP_IRQ | DP_SINK_SPECIFIC_IRQ))

		DRM_DEBUG_DRIVER("CP or sink specific irq unhandled\n");

	if (val & DP_CP_IRQ)

		intel_hdcp_check_link(intel_dp->attached_connector);



	if (val & DP_SINK_SPECIFIC_IRQ)

		DRM_DEBUG_DRIVER("Sink specific irq unhandled\n");

}



/*
@@ -5697,9 +5700,6 @@ 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)

			goto put_power;

	}