From: kbuild test robot <lkp@intel.com>
To: Ramalingam C <ramalingam.c@intel.com>
Cc: intel-gfx@lists.freedesktop.org, alexander.usyskin@intel.com,
dri-devel@lists.freedesktop.org, kbuild-all@01.org,
rodrigo.vivi@intel.com, tomas.winkler@intel.com
Subject: Re: [PATCH v3 24/40] drm/i915: Implement HDCP2.2 repeater authentication
Date: Wed, 4 Apr 2018 09:11:37 +0800 [thread overview]
Message-ID: <201804040955.E3p6kLrA%fengguang.wu@intel.com> (raw)
In-Reply-To: <1522763873-23041-25-git-send-email-ramalingam.c@intel.com>
Hi Ramalingam,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on next-20180403]
[cannot apply to v4.16]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Ramalingam-C/drm-i915-Implement-HDCP2-2/20180404-031743
base: git://anongit.freedesktop.org/drm-intel for-linux-next
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/i915/intel_hdcp.c:1182:30: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [assigned] [usertype] k @@ got e] k @@
drivers/gpu/drm/i915/intel_hdcp.c:1182:30: expected restricted __be16 [assigned] [usertype] k
drivers/gpu/drm/i915/intel_hdcp.c:1182:30: got int
drivers/gpu/drm/i915/intel_hdcp.c:1277:12: warning: 'hdcp2_authenticate_sink' defined but not used [-Wunused-function]
static int hdcp2_authenticate_sink(struct intel_connector *connector)
^~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/i915/intel_hdcp.c:13:0:
include/linux/mei_hdcp.h:148:12: warning: 'mei_cldev_unregister_notify' defined but not used [-Wunused-function]
static int mei_cldev_unregister_notify(struct notifier_block *nb)
^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mei_hdcp.h:144:12: warning: 'mei_cldev_register_notify' defined but not used [-Wunused-function]
static int mei_cldev_register_notify(struct notifier_block *nb)
^~~~~~~~~~~~~~~~~~~~~~~~~
vim +1182 drivers/gpu/drm/i915/intel_hdcp.c
1163
1164 static
1165 int hdcp2_propagate_stream_management_info(struct intel_connector *connector)
1166 {
1167 struct intel_digital_port *intel_dig_port = conn_to_dig_port(connector);
1168 struct intel_hdcp *hdcp = &connector->hdcp;
1169 union {
1170 struct hdcp2_rep_stream_manage stream_manage;
1171 struct hdcp2_rep_stream_ready stream_ready;
1172 } msgs;
1173 const struct intel_hdcp_shim *shim = hdcp->hdcp_shim;
1174 int ret;
1175
1176 /* Prepare RepeaterAuth_Stream_Manage msg */
1177 msgs.stream_manage.msg_id = HDCP_2_2_REP_STREAM_MANAGE;
1178 reverse_endianness(msgs.stream_manage.seq_num_m, HDCP_2_2_SEQ_NUM_LEN,
1179 (u8 *)&hdcp->seq_num_m);
1180
1181 /* K no of streams is fixed as 1. Stored as big-endian. */
> 1182 msgs.stream_manage.k = __swab16(1);
1183
1184 /* For HDMI this is forced to be 0x0. For DP SST also this is 0x0. */
1185 msgs.stream_manage.streams[0].stream_id = 0;
1186 msgs.stream_manage.streams[0].stream_type = hdcp->content_type;
1187
1188 /* Send it to Repeater */
1189 ret = shim->write_2_2_msg(intel_dig_port, &msgs.stream_manage,
1190 sizeof(msgs.stream_manage));
1191 if (ret < 0)
1192 return ret;
1193
1194 ret = shim->read_2_2_msg(intel_dig_port, HDCP_2_2_REP_STREAM_READY,
1195 &msgs.stream_ready, sizeof(msgs.stream_ready));
1196 if (ret < 0)
1197 return ret;
1198
1199 hdcp->mei_data.seq_num_m = hdcp->seq_num_m;
1200 hdcp->mei_data.streams[0].stream_type = hdcp->content_type;
1201
1202 ret = hdcp2_verify_mprime(hdcp, &msgs.stream_ready);
1203 if (ret < 0)
1204 return ret;
1205
1206 hdcp->seq_num_m++;
1207
1208 if (hdcp->seq_num_m > HDCP_2_2_SEQ_NUM_MAX) {
1209 DRM_DEBUG_KMS("seq_num_m roll over.\n");
1210 return -1;
1211 }
1212 return 0;
1213 }
1214
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2018-04-04 1:11 UTC|newest]
Thread overview: 130+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-03 13:57 [PATCH v3 00/40] drm/i915: Implement HDCP2.2 Ramalingam C
2018-04-03 13:57 ` [PATCH v3 01/40] drm: hdcp2.2 authentication msg definitions Ramalingam C
2018-05-09 10:01 ` Shankar, Uma
2018-05-14 15:23 ` [Intel-gfx] " Ramalingam C
2018-04-03 13:57 ` [PATCH v3 02/40] drm: HDMI and DP specific HDCP2.2 defines Ramalingam C
2018-05-09 10:06 ` Shankar, Uma
2018-05-14 16:01 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 03/40] mei: bus: whitelist hdcp client Ramalingam C
2018-04-03 13:57 ` [PATCH v3 04/40] misc/mei/hdcp: Client driver for HDCP application Ramalingam C
2018-05-09 10:07 ` Shankar, Uma
2018-04-03 13:57 ` [PATCH v3 05/40] misc/mei/hdcp: Notifier chain for mei cldev state change Ramalingam C
2018-04-03 15:30 ` Daniel Vetter
2018-05-16 14:54 ` Ramalingam C
2018-04-03 20:53 ` kbuild test robot
2018-04-03 23:58 ` [RFC PATCH] misc/mei/hdcp: mei_cldev_state_notify_clients() can be static kbuild test robot
2018-04-04 6:12 ` [PATCH v3 05/40] misc/mei/hdcp: Notifier chain for mei cldev state change Usyskin, Alexander
2018-05-16 13:04 ` Ramalingam C
2018-05-17 5:52 ` Usyskin, Alexander
2018-05-17 6:15 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 06/40] misc/mei/hdcp: Define ME FW interface for HDCP2.2 Ramalingam C
2018-04-03 13:57 ` [PATCH v3 07/40] linux/mei: Header for mei_hdcp driver interface Ramalingam C
2018-05-09 10:08 ` Shankar, Uma
2018-05-16 15:05 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 08/40] misc/mei/hdcp: Initiate Wired HDCP2.2 Tx Session Ramalingam C
2018-04-03 21:20 ` [Intel-gfx] " kbuild test robot
2018-04-04 6:45 ` Usyskin, Alexander
2018-05-16 15:19 ` Ramalingam C
2018-05-17 5:56 ` Usyskin, Alexander
2018-05-17 6:08 ` Ramalingam C
2018-05-09 10:13 ` Shankar, Uma
2018-05-16 15:26 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 09/40] misc/mei/hdcp: Verify Receiver Cert and prepare km Ramalingam C
2018-04-03 21:44 ` kbuild test robot
2018-04-03 13:57 ` [PATCH v3 10/40] misc/mei/hdcp: Verify H_prime Ramalingam C
2018-04-03 22:12 ` kbuild test robot
2018-05-09 10:16 ` [Intel-gfx] " Shankar, Uma
2018-05-16 15:43 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 11/40] misc/mei/hdcp: Store the HDCP Pairing info Ramalingam C
2018-04-03 22:34 ` kbuild test robot
2018-05-09 10:28 ` Shankar, Uma
2018-05-16 15:53 ` Ramalingam C
2018-05-17 5:59 ` Usyskin, Alexander
2018-05-17 6:03 ` C, Ramalingam
2018-05-17 8:17 ` Jani Nikula
2018-05-21 12:19 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 12/40] misc/mei/hdcp: Initiate Locality check Ramalingam C
2018-04-03 23:02 ` kbuild test robot
2018-05-09 10:31 ` Shankar, Uma
2018-05-16 16:02 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 13/40] misc/mei/hdcp: Verify L_prime Ramalingam C
2018-05-09 10:36 ` Shankar, Uma
2018-05-16 16:05 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 14/40] misc/mei/hdcp: Prepare Session Key Ramalingam C
2018-05-09 10:59 ` Shankar, Uma
2018-05-16 16:10 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 15/40] misc/mei/hdcp: Repeater topology verifcation and ack Ramalingam C
2018-05-09 11:04 ` Shankar, Uma
2018-05-16 16:32 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 16/40] misc/mei/hdcp: Verify M_prime Ramalingam C
2018-05-09 13:50 ` Shankar, Uma
2018-05-16 16:32 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 17/40] misc/mei/hdcp: Enabling the HDCP authentication Ramalingam C
2018-05-09 13:55 ` Shankar, Uma
2018-05-16 16:40 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 18/40] misc/mei/hdcp: Closing wired HDCP2.2 Tx Session Ramalingam C
2018-05-09 14:02 ` [Intel-gfx] " Shankar, Uma
2018-05-16 16:41 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 19/40] drm/i915: wrapping all hdcp var into intel_hdcp Ramalingam C
2018-05-09 14:11 ` Shankar, Uma
2018-04-03 13:57 ` [PATCH v3 20/40] drm/i915: Define HDCP2.2 related variables Ramalingam C
2018-04-03 20:27 ` kbuild test robot
2018-05-09 14:23 ` Shankar, Uma
2018-04-03 13:57 ` [PATCH v3 21/40] drm/i915: Define Intel HDCP2.2 registers Ramalingam C
2018-05-09 14:59 ` Shankar, Uma
2018-05-17 10:24 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 22/40] drm/i915: Wrappers for mei HDCP2.2 services Ramalingam C
2018-05-09 15:10 ` Shankar, Uma
2018-05-17 10:40 ` [Intel-gfx] " Ramalingam C
2018-04-03 13:57 ` [PATCH v3 23/40] drm/i915: Implement HDCP2.2 receiver authentication Ramalingam C
2018-05-09 15:20 ` Shankar, Uma
2018-04-03 13:57 ` [PATCH v3 24/40] drm/i915: Implement HDCP2.2 repeater authentication Ramalingam C
2018-04-04 1:11 ` kbuild test robot [this message]
2018-05-14 9:08 ` Shankar, Uma
2018-05-17 12:38 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 25/40] drm/i915: Enable and Disable HDCP2.2 port encryption Ramalingam C
2018-05-14 9:23 ` Shankar, Uma
2018-05-17 13:01 ` Ramalingam C
2018-05-17 13:14 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 26/40] drm/i915: Implement HDCP2.2 En/Dis-able Ramalingam C
2018-05-14 9:30 ` Shankar, Uma
2018-05-17 13:16 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 27/40] drm/i915: Implement HDCP2.2 link integrity check Ramalingam C
2018-05-14 9:45 ` Shankar, Uma
2018-05-17 13:31 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 28/40] drm/i915: Handle HDCP2.2 downstream topology change Ramalingam C
2018-05-18 12:09 ` Shankar, Uma
2018-04-03 13:57 ` [PATCH v3 29/40] drm/i915: Pullout the bksv read and validation Ramalingam C
2018-04-03 13:57 ` [PATCH v3 30/40] drm/i915: Initialize HDCP2.2 and its MEI interface Ramalingam C
2018-05-18 12:33 ` [Intel-gfx] " Shankar, Uma
2018-05-18 16:29 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 31/40] drm/i915: Schedule hdcp_check_link in _intel_hdcp_enable Ramalingam C
2018-05-18 12:37 ` [Intel-gfx] " Shankar, Uma
2018-04-03 13:57 ` [PATCH v3 32/40] drm/i915: Enable superior HDCP ver that is capable Ramalingam C
2018-05-18 12:49 ` [Intel-gfx] " Shankar, Uma
2018-05-21 8:29 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 33/40] drm/i915: Enable HDCP1.4 incase of HDCP2.2 failure Ramalingam C
2018-05-18 12:52 ` Shankar, Uma
2018-04-03 13:57 ` [PATCH v3 34/40] drm/i915: hdcp_check_link only on CP_IRQ Ramalingam C
2018-05-18 12:55 ` Shankar, Uma
2018-04-03 13:57 ` [PATCH v3 35/40] drm/i915: Check HDCP 1.4 and 2.2 link " Ramalingam C
2018-05-18 15:59 ` Shankar, Uma
2018-05-21 8:37 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 36/40] drm/i915: Implement gmbus burst read Ramalingam C
2018-04-03 16:40 ` Daniel Vetter
2018-04-05 9:12 ` Jani Nikula
2018-04-05 13:44 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 37/40] drm/i915: Implement the HDCP2.2 support for DP Ramalingam C
2018-04-03 19:57 ` kbuild test robot
2018-04-03 21:16 ` kbuild test robot
2018-05-18 16:15 ` Shankar, Uma
2018-05-21 8:49 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 38/40] drm/i915: Implement the HDCP2.2 support for HDMI Ramalingam C
2018-05-18 16:29 ` Shankar, Uma
2018-05-21 9:08 ` [Intel-gfx] " Ramalingam C
2018-04-03 13:57 ` [PATCH v3 39/40] drm/i915: Add HDCP2.2 support for DP connectors Ramalingam C
2018-05-18 16:37 ` [Intel-gfx] " Shankar, Uma
2018-05-21 9:14 ` Ramalingam C
2018-04-03 13:57 ` [PATCH v3 40/40] drm/i915: Add HDCP2.2 support for HDMI connectors Ramalingam C
2018-05-18 16:38 ` [Intel-gfx] " Shankar, Uma
2018-04-03 14:26 ` ✗ Fi.CI.BAT: failure for drm/i915: Implement HDCP2.2 (rev3) Patchwork
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