From: Ramalingam C <ramalingam.c@intel.com>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
daniel@ffwll.ch, seanpaul@chromium.org, tomas.winkler@intel.com,
alexander.usyskin@intel.com, uma.shankar@intel.com
Subject: [PATCH v6 16/35] drm/i915: hdcp_check_link only on CP_IRQ
Date: Sat, 14 Jul 2018 08:44:58 +0530 [thread overview]
Message-ID: <1531538117-1606-17-git-send-email-ramalingam.c@intel.com> (raw)
In-Reply-To: <1531538117-1606-1-git-send-email-ramalingam.c@intel.com>
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.
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
cc: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
---
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 12eb5bd33b7e..0d31c9c286e9 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4483,8 +4483,10 @@ 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 */
@@ -5456,9 +5458,6 @@ 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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next prev parent reply other threads:[~2018-07-14 3:14 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-14 3:14 [PATCH v6 00/35] drm/i915: Implement HDCP2.2 Ramalingam C
2018-07-14 3:14 ` [PATCH v6 01/35] drm: hdcp2.2 authentication msg definitions Ramalingam C
2018-07-31 6:21 ` Shankar, Uma
2018-08-01 11:14 ` Ramalingam C
2018-07-14 3:14 ` [PATCH v6 02/35] drm: HDMI and DP specific HDCP2.2 defines Ramalingam C
2018-07-31 8:25 ` Shankar, Uma
2018-08-01 11:34 ` Ramalingam C
2018-07-14 3:14 ` [PATCH v6 03/35] mei: bus: whitelist hdcp client Ramalingam C
2018-07-14 3:14 ` [PATCH v6 04/35] linux/mei: Header for mei_hdcp driver interface Ramalingam C
2018-07-31 8:39 ` Shankar, Uma
2018-07-14 3:14 ` [PATCH v6 05/35] drm/i915: wrapping all hdcp var into intel_hdcp Ramalingam C
2018-07-31 8:53 ` Shankar, Uma
2018-07-14 3:14 ` [PATCH v6 06/35] drm/i915: Define Intel HDCP2.2 registers Ramalingam C
2018-07-31 8:59 ` Shankar, Uma
2018-07-14 3:14 ` [PATCH v6 07/35] component: alloc component_match without any comp to match Ramalingam C
2018-07-14 3:14 ` [PATCH v6 08/35] drm/i915: component master at i915 driver load Ramalingam C
2018-07-14 3:14 ` [PATCH v6 09/35] drm/i915: Initialize HDCP2.2 and its MEI interface Ramalingam C
2018-07-17 1:29 ` kbuild test robot
2018-07-31 19:41 ` Shankar, Uma
2018-08-01 11:42 ` Ramalingam C
2018-07-14 3:14 ` [PATCH v6 10/35] drm/i915: Pullout the bksv read and validation Ramalingam C
2018-07-14 3:14 ` [PATCH v6 11/35] drm/i915: Enable and Disable of HDCP2.2 Ramalingam C
2018-07-31 20:49 ` Shankar, Uma
2018-07-14 3:14 ` [PATCH v6 12/35] drm/i915: Implement HDCP2.2 receiver authentication Ramalingam C
2018-08-01 9:41 ` Shankar, Uma
2018-08-30 6:34 ` Ramalingam C
2018-07-14 3:14 ` [PATCH v6 13/35] drm/i915: Implement HDCP2.2 repeater authentication Ramalingam C
2018-08-01 10:30 ` Shankar, Uma
2018-08-30 6:49 ` Ramalingam C
2018-07-14 3:14 ` [PATCH v6 14/35] drm/i915: Implement HDCP2.2 link integrity check Ramalingam C
2018-08-01 10:45 ` Shankar, Uma
2018-08-30 6:57 ` Ramalingam C
2018-07-14 3:14 ` [PATCH v6 15/35] drm/i915: Handle HDCP2.2 downstream topology change Ramalingam C
2018-07-14 3:14 ` Ramalingam C [this message]
2018-07-14 3:14 ` [PATCH v6 17/35] drm/i915: Check HDCP 1.4 and 2.2 link on CP_IRQ Ramalingam C
2018-08-01 11:02 ` Shankar, Uma
2018-08-30 7:24 ` Ramalingam C
2018-07-14 3:15 ` [PATCH v6 18/35] drm/i915: Implement the HDCP2.2 support for DP Ramalingam C
2018-08-01 11:31 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 19/35] drm/i915: Implement the HDCP2.2 support for HDMI Ramalingam C
2018-08-01 11:38 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 20/35] drm/i915: Add HDCP2.2 support for DP connectors Ramalingam C
2018-07-14 3:15 ` [PATCH v6 21/35] drm/i915: Add HDCP2.2 support for HDMI connectors Ramalingam C
2018-07-14 3:15 ` [PATCH v6 22/35] misc/mei/hdcp: Client driver for HDCP application Ramalingam C
2018-07-14 3:15 ` [PATCH v6 23/35] misc/mei/hdcp: Component framework for I915 Interface Ramalingam C
2018-08-01 13:06 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 24/35] misc/mei/hdcp: Define ME FW interface for HDCP2.2 Ramalingam C
2018-07-14 3:15 ` [PATCH v6 25/35] misc/mei/hdcp: Initiate Wired HDCP2.2 Tx Session Ramalingam C
2018-08-01 13:13 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 26/35] misc/mei/hdcp: Verify Receiver Cert and prepare km Ramalingam C
2018-08-01 13:18 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 27/35] misc/mei/hdcp: Verify H_prime Ramalingam C
2018-08-01 13:21 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 28/35] misc/mei/hdcp: Store the HDCP Pairing info Ramalingam C
2018-08-01 13:23 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 29/35] misc/mei/hdcp: Initiate Locality check Ramalingam C
2018-08-01 13:24 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 30/35] misc/mei/hdcp: Verify L_prime Ramalingam C
2018-08-01 13:26 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 31/35] misc/mei/hdcp: Prepare Session Key Ramalingam C
2018-08-01 13:29 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 32/35] misc/mei/hdcp: Repeater topology verification and ack Ramalingam C
2018-08-01 13:31 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 33/35] misc/mei/hdcp: Verify M_prime Ramalingam C
2018-08-01 13:33 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 34/35] misc/mei/hdcp: Enabling the HDCP authentication Ramalingam C
2018-08-01 13:36 ` Shankar, Uma
2018-07-14 3:15 ` [PATCH v6 35/35] misc/mei/hdcp: Closing wired HDCP2.2 Tx Session Ramalingam C
2018-08-01 13:38 ` Shankar, Uma
2018-07-30 9:09 ` [PATCH v6 00/35] drm/i915: Implement HDCP2.2 Shankar, Uma
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