Hi Jani, I love your patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip next-20210830] [cannot apply to v5.14] [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] url: https://github.com/0day-ci/linux/commits/Jani-Nikula/drm-i915-display-debugfs-cleanups/20210830-205450 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/3398bb6468f037af818548e7987e8fd062278824 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jani-Nikula/drm-i915-display-debugfs-cleanups/20210830-205450 git checkout 3398bb6468f037af818548e7987e8fd062278824 # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2447:6: error: conflicting types for 'intel_connector_debugfs_add' 2447 | void intel_connector_debugfs_add(struct intel_connector *intel_connector) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/i915/display/intel_display_debugfs.c:10: drivers/gpu/drm/i915/display/intel_display_debugfs.h:15:6: note: previous declaration of 'intel_connector_debugfs_add' was here 15 | void intel_connector_debugfs_add(struct drm_connector *connector); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/i915/display/intel_connector.c: In function 'intel_connector_register': >> drivers/gpu/drm/i915/display/intel_connector.c:127:30: error: passing argument 1 of 'intel_connector_debugfs_add' from incompatible pointer type [-Werror=incompatible-pointer-types] 127 | intel_connector_debugfs_add(intel_connector); | ^~~~~~~~~~~~~~~ | | | struct intel_connector * In file included from drivers/gpu/drm/i915/display/intel_connector.c:36: drivers/gpu/drm/i915/display/intel_display_debugfs.h:15:56: note: expected 'struct drm_connector *' but argument is of type 'struct intel_connector *' 15 | void intel_connector_debugfs_add(struct drm_connector *connector); | ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~ cc1: all warnings being treated as errors vim +/intel_connector_debugfs_add +2447 drivers/gpu/drm/i915/display/intel_display_debugfs.c 2439 2440 /** 2441 * intel_connector_debugfs_add - add i915 specific connector debugfs files 2442 * @connector: pointer to a registered drm_connector 2443 * 2444 * Cleanup will be done by drm_connector_unregister() through a call to 2445 * drm_debugfs_connector_remove(). 2446 */ > 2447 void intel_connector_debugfs_add(struct intel_connector *intel_connector) 2448 { 2449 struct drm_connector *connector = &intel_connector->base; 2450 struct dentry *root = connector->debugfs_entry; 2451 struct drm_i915_private *dev_priv = to_i915(connector->dev); 2452 2453 /* The connector must have been registered beforehands. */ 2454 if (!root) 2455 return; 2456 2457 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 2458 debugfs_create_file("i915_panel_timings", S_IRUGO, root, 2459 connector, &i915_panel_fops); 2460 debugfs_create_file("i915_psr_sink_status", S_IRUGO, root, 2461 connector, &i915_psr_sink_status_fops); 2462 } 2463 2464 if (HAS_PSR(dev_priv) && 2465 connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 2466 debugfs_create_file("i915_psr_status", 0444, root, 2467 connector, &i915_psr_status_fops); 2468 } 2469 2470 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || 2471 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 2472 connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) { 2473 debugfs_create_file("i915_hdcp_sink_capability", S_IRUGO, root, 2474 connector, &i915_hdcp_sink_capability_fops); 2475 } 2476 2477 if (DISPLAY_VER(dev_priv) >= 11 && 2478 ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort && 2479 !to_intel_connector(connector)->mst_port) || 2480 connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { 2481 debugfs_create_file("i915_dsc_fec_support", 0644, root, 2482 connector, &i915_dsc_fec_support_fops); 2483 2484 debugfs_create_file("i915_dsc_bpp", 0644, root, 2485 connector, &i915_dsc_bpp_fops); 2486 } 2487 2488 if (connector->connector_type == DRM_MODE_CONNECTOR_DSI || 2489 connector->connector_type == DRM_MODE_CONNECTOR_eDP || 2490 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || 2491 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 2492 connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) 2493 debugfs_create_file("i915_lpsp_capability", 0444, root, 2494 connector, &i915_lpsp_capability_fops); 2495 } 2496 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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