>-----Original Message-----
>From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org] On Behalf Of
>Ramalingam C
>Sent: Tuesday, April 3, 2018 7:28 PM
>To: intel-gfx@lists.freedesktop.org; dri-de...@lists.freedesktop.org;
>seanp...@chromium.org; dan...@ffwll.ch; ch...@chris-wilson.co.uk;
>jani.nik...@linux.intel.com; Winkler, Tomas <tomas.wink...@intel.com>;
>Usyskin, Alexander <alexander.usys...@intel.com>
>Cc: Vivi, Rodrigo <rodrigo.v...@intel.com>
>Subject: [Intel-gfx] [PATCH v3 34/40] drm/i915: hdcp_check_link only on CP_IRQ
>
>HDCP check link is invoked only on CP_IRQ detection, instead of all short
>pulses.
>
Looks ok.
Reviewed-by: Uma Shankar <uma.shan...@intel.com>
>v3:
> No Changes.
>
>Signed-off-by: Ramalingam C <ramalinga...@intel.com>
>---
> 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 955a20208097..4a9f5a690528 100644
>--- a/drivers/gpu/drm/i915/intel_dp.c
>+++ b/drivers/gpu/drm/i915/intel_dp.c
>@@ -4467,8 +4467,10 @@ 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 */ @@ -5438,9
>+5440,6 @@ 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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