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Message-ID: <202403161747.TRmfawhM-lkp@intel.com>
Date: Sat, 16 Mar 2024 17:52:51 +0800
From: kernel test robot <lkp@...el.com>
To: Sean Anderson <sean.anderson@...ux.dev>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
dri-devel@...ts.freedesktop.org
Cc: oe-kbuild-all@...ts.linux.dev, David Airlie <airlied@...il.com>,
linux-kernel@...r.kernel.org, Michal Simek <monstr@...str.eu>,
linux-arm-kernel@...ts.infradead.org,
Daniel Vetter <daniel@...ll.ch>,
Sean Anderson <sean.anderson@...ux.dev>
Subject: Re: [PATCH 3/6] drm: zynqmp_dp: Add locking
Hi Sean,
kernel test robot noticed the following build warnings:
[auto build test WARNING on v6.8]
[also build test WARNING on linus/master next-20240315]
[cannot apply to drm-misc/drm-misc-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Sean-Anderson/drm-zynqmp_dp-Downgrade-log-level-for-aux-retries-message/20240316-071208
base: v6.8
patch link: https://lore.kernel.org/r/20240315230916.1759060-4-sean.anderson%40linux.dev
patch subject: [PATCH 3/6] drm: zynqmp_dp: Add locking
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240316/202403161747.TRmfawhM-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240316/202403161747.TRmfawhM-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403161747.TRmfawhM-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/xlnx/zynqmp_dp.c:321: warning: Function parameter or struct member 'hpd_irq_work' not described in 'zynqmp_dp'
vim +321 drivers/gpu/drm/xlnx/zynqmp_dp.c
d76271d22694e8 Hyun Kwon 2018-07-07 275
d76271d22694e8 Hyun Kwon 2018-07-07 276 /**
d76271d22694e8 Hyun Kwon 2018-07-07 277 * struct zynqmp_dp - Xilinx DisplayPort core
d76271d22694e8 Hyun Kwon 2018-07-07 278 * @dev: device structure
d76271d22694e8 Hyun Kwon 2018-07-07 279 * @dpsub: Display subsystem
d76271d22694e8 Hyun Kwon 2018-07-07 280 * @iomem: device I/O memory for register access
d76271d22694e8 Hyun Kwon 2018-07-07 281 * @reset: reset controller
8ce380e6568015 Sean Anderson 2024-03-15 282 * @lock: Mutex protecting this struct and register access (but not AUX)
d76271d22694e8 Hyun Kwon 2018-07-07 283 * @irq: irq
47e801bd0749f0 Laurent Pinchart 2021-08-04 284 * @bridge: DRM bridge for the DP encoder
bd68b9b3cb2e0d Laurent Pinchart 2021-08-04 285 * @next_bridge: The downstream bridge
d76271d22694e8 Hyun Kwon 2018-07-07 286 * @config: IP core configuration from DTS
d76271d22694e8 Hyun Kwon 2018-07-07 287 * @aux: aux channel
d76271d22694e8 Hyun Kwon 2018-07-07 288 * @phy: PHY handles for DP lanes
d76271d22694e8 Hyun Kwon 2018-07-07 289 * @num_lanes: number of enabled phy lanes
d76271d22694e8 Hyun Kwon 2018-07-07 290 * @hpd_work: hot plug detection worker
d76271d22694e8 Hyun Kwon 2018-07-07 291 * @status: connection status
d76271d22694e8 Hyun Kwon 2018-07-07 292 * @enabled: flag to indicate if the device is enabled
d76271d22694e8 Hyun Kwon 2018-07-07 293 * @dpcd: DP configuration data from currently connected sink device
d76271d22694e8 Hyun Kwon 2018-07-07 294 * @link_config: common link configuration between IP core and sink device
d76271d22694e8 Hyun Kwon 2018-07-07 295 * @mode: current mode between IP core and sink device
d76271d22694e8 Hyun Kwon 2018-07-07 296 * @train_set: set of training data
d76271d22694e8 Hyun Kwon 2018-07-07 297 */
d76271d22694e8 Hyun Kwon 2018-07-07 298 struct zynqmp_dp {
d76271d22694e8 Hyun Kwon 2018-07-07 299 struct device *dev;
d76271d22694e8 Hyun Kwon 2018-07-07 300 struct zynqmp_dpsub *dpsub;
d76271d22694e8 Hyun Kwon 2018-07-07 301 void __iomem *iomem;
d76271d22694e8 Hyun Kwon 2018-07-07 302 struct reset_control *reset;
8ce380e6568015 Sean Anderson 2024-03-15 303 struct mutex lock;
d76271d22694e8 Hyun Kwon 2018-07-07 304 int irq;
d76271d22694e8 Hyun Kwon 2018-07-07 305
47e801bd0749f0 Laurent Pinchart 2021-08-04 306 struct drm_bridge bridge;
bd68b9b3cb2e0d Laurent Pinchart 2021-08-04 307 struct drm_bridge *next_bridge;
47e801bd0749f0 Laurent Pinchart 2021-08-04 308
d76271d22694e8 Hyun Kwon 2018-07-07 309 struct zynqmp_dp_config config;
d76271d22694e8 Hyun Kwon 2018-07-07 310 struct drm_dp_aux aux;
d76271d22694e8 Hyun Kwon 2018-07-07 311 struct phy *phy[ZYNQMP_DP_MAX_LANES];
d76271d22694e8 Hyun Kwon 2018-07-07 312 u8 num_lanes;
8ce380e6568015 Sean Anderson 2024-03-15 313 struct delayed_work hpd_work, hpd_irq_work;
d76271d22694e8 Hyun Kwon 2018-07-07 314 enum drm_connector_status status;
d76271d22694e8 Hyun Kwon 2018-07-07 315 bool enabled;
d76271d22694e8 Hyun Kwon 2018-07-07 316
d76271d22694e8 Hyun Kwon 2018-07-07 317 u8 dpcd[DP_RECEIVER_CAP_SIZE];
d76271d22694e8 Hyun Kwon 2018-07-07 318 struct zynqmp_dp_link_config link_config;
d76271d22694e8 Hyun Kwon 2018-07-07 319 struct zynqmp_dp_mode mode;
d76271d22694e8 Hyun Kwon 2018-07-07 320 u8 train_set[ZYNQMP_DP_MAX_LANES];
d76271d22694e8 Hyun Kwon 2018-07-07 @321 };
d76271d22694e8 Hyun Kwon 2018-07-07 322
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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