[Intel-gfx] [PATCH v3 11/40] misc/mei/hdcp: Store the HDCP Pairing info
kbuild test robot
lkp at intel.com
Tue Apr 3 22:34:41 UTC 2018
Hi Ramalingam,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR 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
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
drivers/misc/mei/hdcp/mei_hdcp.c:52:5: error: redefinition of 'mei_initiate_hdcp2_session'
int mei_initiate_hdcp2_session(struct mei_cl_device *cldev,
^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0:
include/linux/mei_hdcp.h:134:5: note: previous definition of 'mei_initiate_hdcp2_session' was here
int mei_initiate_hdcp2_session(struct mei_cl_device *cldev,
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/misc/mei/hdcp/mei_hdcp.c:122:1: error: redefinition of 'mei_verify_receiver_cert_prepare_km'
mei_verify_receiver_cert_prepare_km(struct mei_cl_device *cldev,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0:
include/linux/mei_hdcp.h:141:1: note: previous definition of 'mei_verify_receiver_cert_prepare_km' was here
mei_verify_receiver_cert_prepare_km(struct mei_cl_device *cldev,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/misc/mei/hdcp/mei_hdcp.c:200:5: error: redefinition of 'mei_verify_hprime'
int mei_verify_hprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data,
^~~~~~~~~~~~~~~~~
In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0:
include/linux/mei_hdcp.h:151:5: note: previous definition of 'mei_verify_hprime' was here
int mei_verify_hprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data,
^~~~~~~~~~~~~~~~~
>> drivers/misc/mei/hdcp/mei_hdcp.c:258:5: error: redefinition of 'mei_store_pairing_info'
int mei_store_pairing_info(struct mei_cl_device *cldev,
^~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0:
include/linux/mei_hdcp.h:157:5: note: previous definition of 'mei_store_pairing_info' was here
int mei_store_pairing_info(struct mei_cl_device *cldev,
^~~~~~~~~~~~~~~~~~~~~~
drivers/misc/mei/hdcp/mei_hdcp.c:318:5: error: redefinition of 'mei_cldev_register_notify'
int mei_cldev_register_notify(struct notifier_block *nb)
^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0:
include/linux/mei_hdcp.h:125:12: note: previous definition of 'mei_cldev_register_notify' was here
static int mei_cldev_register_notify(struct notifier_block *nb)
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/misc/mei/hdcp/mei_hdcp.c:324:5: error: redefinition of 'mei_cldev_unregister_notify'
int mei_cldev_unregister_notify(struct notifier_block *nb)
^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0:
include/linux/mei_hdcp.h:129:12: note: previous definition of 'mei_cldev_unregister_notify' was here
static int mei_cldev_unregister_notify(struct notifier_block *nb)
^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mei_hdcp.h:129:12: warning: 'mei_cldev_unregister_notify' defined but not used [-Wunused-function]
include/linux/mei_hdcp.h:125:12: warning: 'mei_cldev_register_notify' defined but not used [-Wunused-function]
static int mei_cldev_register_notify(struct notifier_block *nb)
^~~~~~~~~~~~~~~~~~~~~~~~~
vim +/mei_store_pairing_info +258 drivers/misc/mei/hdcp/mei_hdcp.c
188
189 /**
190 * mei_verify_hprime:
191 * Function to verify AKE_Send_H_prime received
192 *
193 * @cldev : Pointer for mei client device
194 * @data : Intel HW specific Data
195 * @rx_hprime : Pointer for AKE_Send_H_prime
196 * @hprime_sz : Input buffer size
197 *
198 * Returns 0 on Success, <0 on Failure
199 */
> 200 int mei_verify_hprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data,
201 struct hdcp2_ake_send_hprime *rx_hprime)
202 {
203 struct wired_cmd_ake_send_hprime_in send_hprime_in = { { 0 } };
204 struct wired_cmd_ake_send_hprime_out send_hprime_out = { { 0 } };
205 struct device *dev;
206 ssize_t byte;
207
208 if (!data || !rx_hprime)
209 return -EINVAL;
210
211 dev = &cldev->dev;
212
213 send_hprime_in.header.api_version = HDCP_API_VERSION;
214 send_hprime_in.header.command_id = WIRED_AKE_SEND_HPRIME;
215 send_hprime_in.header.status = ME_HDCP_STATUS_SUCCESS;
216 send_hprime_in.header.buffer_len = WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN;
217
218 send_hprime_in.port.integrated_port_type = data->port_type;
219 send_hprime_in.port.physical_port = data->port;
220
221 memcpy(send_hprime_in.h_prime, rx_hprime->h_prime,
222 sizeof(rx_hprime->h_prime));
223
224 byte = mei_cldev_send(cldev, (u8 *)&send_hprime_in,
225 sizeof(send_hprime_in));
226 if (byte < 0) {
227 dev_dbg(dev, "mei_cldev_send failed. %d\n", (int)byte);
228 return byte;
229 }
230
231 byte = mei_cldev_recv(cldev, (u8 *)&send_hprime_out,
232 sizeof(send_hprime_out));
233 if (byte < 0) {
234 dev_dbg(dev, "mei_cldev_recv failed. %d\n", (int)byte);
235 return byte;
236 }
237
238 if (send_hprime_out.header.status != ME_HDCP_STATUS_SUCCESS) {
239 dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n",
240 WIRED_AKE_SEND_HPRIME, send_hprime_out.header.status);
241 return -1;
242 }
243 return 0;
244 }
245 EXPORT_SYMBOL(mei_verify_hprime);
246
247 /**
248 * mei_store_pairing_info:
249 * Function to store pairing info received from panel
250 *
251 * @cldev : Pointer for mei client device
252 * @data : Intel HW specific Data
253 * @pairing_info : Pointer for AKE_Send_Pairing_Info
254 *
255 * Returns 0 on Success, <0 on Failure
256 */
257
> 258 int mei_store_pairing_info(struct mei_cl_device *cldev,
259 struct mei_hdcp_data *data,
260 struct hdcp2_ake_send_pairing_info *pairing_info)
261 {
262 struct wired_cmd_ake_send_pairing_info_in pairing_info_in = { { 0 } };
263 struct wired_cmd_ake_send_pairing_info_out pairing_info_out = { { 0 } };
264 struct device *dev;
265 ssize_t byte;
266
267 if (!data || !pairing_info)
268 return -EINVAL;
269
270 dev = &cldev->dev;
271
272 pairing_info_in.header.api_version = HDCP_API_VERSION;
273 pairing_info_in.header.command_id = WIRED_AKE_SEND_PAIRING_INFO;
274 pairing_info_in.header.status = ME_HDCP_STATUS_SUCCESS;
275 pairing_info_in.header.buffer_len =
276 WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN;
277
278 pairing_info_in.port.integrated_port_type = data->port_type;
279 pairing_info_in.port.physical_port = data->port;
280
281 memcpy(pairing_info_in.e_kh_km, pairing_info->e_kh_km,
282 sizeof(pairing_info_in.e_kh_km));
283
284 byte = mei_cldev_send(cldev, (u8 *)&pairing_info_in,
285 sizeof(pairing_info_in));
286 if (byte < 0) {
287 dev_dbg(dev, "mei_cldev_send failed. %d\n", (int)byte);
288 return byte;
289 }
290
291 byte = mei_cldev_recv(cldev, (u8 *)&pairing_info_out,
292 sizeof(pairing_info_out));
293 if (byte < 0) {
294 dev_dbg(dev, "mei_cldev_recv failed. %d\n", (int)byte);
295 return byte;
296 }
297
298 if (pairing_info_out.header.status != ME_HDCP_STATUS_SUCCESS) {
299 dev_dbg(dev, "ME cmd 0x%08X failed. Status: 0x%X\n",
300 WIRED_AKE_SEND_PAIRING_INFO,
301 pairing_info_out.header.status);
302 return -1;
303 }
304 return 0;
305 }
306 EXPORT_SYMBOL(mei_store_pairing_info);
307
---
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