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From: Ramalingam C <ramalingam.c@intel.com>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	daniel.vetter@ffwll.ch, tomas.winkler@intel.com
Subject: [PATCH v8 01/35] drm/i915: debug log for REPLY_ACK missing
Date: Tue, 27 Nov 2018 16:12:59 +0530	[thread overview]
Message-ID: <1543315413-24302-2-git-send-email-ramalingam.c@intel.com> (raw)
In-Reply-To: <1543315413-24302-1-git-send-email-ramalingam.c@intel.com>

Adding a DRM_DEBUG log when the DP_AUX_NATIVE_REPLY_ACK is missing
for aksv write.

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 70ae3d57316b..18e3a5a3d873 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5390,7 +5390,11 @@ int intel_dp_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port,
 	}
 
 	reply = (rxbuf[0] >> 4) & DP_AUX_NATIVE_REPLY_MASK;
-	return reply == DP_AUX_NATIVE_REPLY_ACK ? 0 : -EIO;
+	ret = reply == DP_AUX_NATIVE_REPLY_ACK ? 0 : -EIO;
+	if (ret)
+		DRM_DEBUG_KMS("Aksv write: DP_AUX_NATIVE_REPLY_ACK missing\n");
+
+	return ret;
 }
 
 static int intel_dp_hdcp_read_bksv(struct intel_digital_port *intel_dig_port,
-- 
2.7.4

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  reply	other threads:[~2018-11-27 10:42 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-27 10:42 [PATCH v8 00/35] drm/i915: Implement HDCP2.2 Ramalingam C
2018-11-27 10:42 ` Ramalingam C [this message]
2018-11-27 10:43 ` [PATCH v8 02/35] drm/i915: Increase timeout for Encrypt status change Ramalingam C
2018-11-27 10:43 ` [PATCH v8 03/35] linux/mei: Header for mei_hdcp driver interface Ramalingam C
2018-12-07 13:53   ` C, Ramalingam
2018-12-07 14:10     ` Daniel Vetter
2018-12-08 20:15       ` Winkler, Tomas
2018-12-10  9:31         ` Daniel Vetter
2018-11-27 10:43 ` [PATCH v8 04/35] drm/i915: Initialize HDCP2.2 Ramalingam C
2018-12-06 10:03   ` Daniel Vetter
2018-12-07  4:54     ` C, Ramalingam
2018-12-07 14:16       ` Daniel Vetter
2018-12-08 18:47         ` Winkler, Tomas
2018-12-10  9:28           ` Daniel Vetter
2018-11-27 10:43 ` [PATCH v8 05/35] drm/i915: MEI interface definition Ramalingam C
2018-12-06 10:23   ` Daniel Vetter
2018-12-07  5:52     ` C, Ramalingam
2018-12-07 10:48       ` C, Ramalingam
2018-12-07 10:48       ` C, Ramalingam
2018-12-07 14:32         ` Daniel Vetter
2018-12-07 14:29       ` Daniel Vetter
2018-12-12  8:58         ` C, Ramalingam
2018-12-12 10:38           ` Daniel Vetter
2018-12-12 11:04             ` C, Ramalingam
2018-12-13  3:55               ` C, Ramalingam
2018-11-27 10:43 ` [PATCH v8 06/35] drm/i915: Enable and Disable of HDCP2.2 Ramalingam C
2018-12-06 10:30   ` Daniel Vetter
2018-12-07  6:22     ` C, Ramalingam
2018-12-07 14:33       ` Daniel Vetter
2018-11-27 10:43 ` [PATCH v8 07/35] drm/i915: Implement HDCP2.2 receiver authentication Ramalingam C
2018-11-27 10:43 ` [PATCH v8 08/35] drm/i915: Implement HDCP2.2 repeater authentication Ramalingam C
2018-12-06 10:45   ` Daniel Vetter
2018-12-12  9:11     ` C, Ramalingam
2018-11-27 10:43 ` [PATCH v8 09/35] drm/i915: Implement HDCP2.2 link integrity check Ramalingam C
2018-12-06 13:27   ` Daniel Vetter
2018-12-06 13:41     ` Daniel Vetter
2018-12-07  6:46     ` C, Ramalingam
2018-12-07 14:36       ` Daniel Vetter
2018-11-27 10:43 ` [PATCH v8 10/35] drm/i915: Handle HDCP2.2 downstream topology change Ramalingam C
2018-12-06 13:42   ` Daniel Vetter
2018-11-27 10:43 ` [PATCH v8 11/35] drm/i915: Check HDCP 1.4 and 2.2 link on CP_IRQ Ramalingam C
2018-12-06 13:44   ` Daniel Vetter
2018-11-27 10:43 ` [PATCH v8 12/35] drm/i915: Implement the HDCP2.2 support for DP Ramalingam C
2018-11-27 16:54   ` Bloomfield, Jon
2018-11-27 17:37     ` Daniel Vetter
2018-11-28  5:15       ` C, Ramalingam
2018-11-28  5:26   ` Stéphane Marchesin
2018-11-28  7:24     ` C, Ramalingam
2018-12-06 13:58   ` Daniel Vetter
2018-11-27 10:43 ` [PATCH v8 13/35] drm/i915: Implement the HDCP2.2 support for HDMI Ramalingam C
2018-12-06 14:04   ` Daniel Vetter
2018-11-27 10:43 ` [PATCH v8 14/35] drm/i915: Add HDCP2.2 support for DP connectors Ramalingam C
2018-11-27 10:43 ` [PATCH v8 15/35] drm/i915: Add HDCP2.2 support for HDMI connectors Ramalingam C
2018-11-27 10:43 ` [PATCH v8 16/35] mei: bus: whitelist hdcp client Ramalingam C
2018-11-27 10:43 ` [PATCH v8 17/35] mei: bus: export to_mei_cl_device for mei client device drivers Ramalingam C
2018-11-27 10:43 ` [PATCH v8 18/35] misc/mei/hdcp: Client driver for HDCP application Ramalingam C
2018-11-27 10:43 ` [PATCH v8 19/35] misc/mei/hdcp: Define ME FW interface for HDCP2.2 Ramalingam C
2018-11-27 10:43 ` [PATCH v8 20/35] misc/mei/hdcp: Initiate Wired HDCP2.2 Tx Session Ramalingam C
2018-11-27 10:43 ` [PATCH v8 21/35] misc/mei/hdcp: Verify Receiver Cert and prepare km Ramalingam C
2018-11-27 10:43 ` [PATCH v8 22/35] misc/mei/hdcp: Verify H_prime Ramalingam C
2018-11-27 10:43 ` [PATCH v8 23/35] misc/mei/hdcp: Store the HDCP Pairing info Ramalingam C
2018-11-27 10:43 ` [PATCH v8 24/35] misc/mei/hdcp: Initiate Locality check Ramalingam C
2018-11-27 10:43 ` [PATCH v8 25/35] misc/mei/hdcp: Verify L_prime Ramalingam C
2018-11-27 10:43 ` [PATCH v8 26/35] misc/mei/hdcp: Prepare Session Key Ramalingam C
2018-11-27 10:43 ` [PATCH v8 27/35] misc/mei/hdcp: Repeater topology verification and ack Ramalingam C
2018-11-27 10:43 ` [PATCH v8 28/35] misc/mei/hdcp: Verify M_prime Ramalingam C
2018-11-27 10:43 ` [PATCH v8 29/35] misc/mei/hdcp: Enabling the HDCP authentication Ramalingam C
2018-11-27 10:43 ` [PATCH v8 30/35] misc/mei/hdcp: Closing wired HDCP2.2 Tx Session Ramalingam C
2018-11-27 10:43 ` [PATCH v8 31/35] misc/mei/hdcp: Component framework for I915 Interface Ramalingam C
2018-11-27 10:43 ` [PATCH v8 32/35] drm/i915: Commit CP without modeset Ramalingam C
2018-12-06 14:19   ` Daniel Vetter
2018-11-27 10:43 ` [PATCH v8 33/35] drm/i915: Fix KBL HDCP2.2 encrypt status signalling Ramalingam C
2018-12-06 14:20   ` Daniel Vetter
2018-12-07  7:03     ` C, Ramalingam
2018-11-27 10:43 ` [PATCH v8 34/35] FOR_TEST: i915/Kconfig: Select mei_hdcp by I915 Ramalingam C
2018-11-27 10:43 ` [PATCH v8 35/35] FOR_TESTING_ONLY: debugfs: Excluding the LSPCon for HDCP1.4 Ramalingam C
2018-11-27 11:08 ` ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Implement HDCP2.2 (rev10) Patchwork
2018-11-27 11:16 ` ✗ Fi.CI.SPARSE: " Patchwork
2018-11-27 11:36 ` ✗ Fi.CI.BAT: failure " Patchwork
2018-12-06 14:27 ` [PATCH v8 00/35] drm/i915: Implement HDCP2.2 Daniel Vetter

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