Hi Manasi, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip drm-exynos/exynos-drm-next linus/master next-20200612] [cannot apply to tegra-drm/drm/tegra/for-next drm/drm-next v5.7] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Manasi-Navare/VRR-capable-attach-prop-in-i915-DPCD-helper-VRR-debugfs/20200613-070517 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-rhel (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/gpu/drm/i915/display/intel_display_debugfs.c: In function 'intel_connector_debugfs_add': >> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2235:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 2235 | if (INTEL_GEN(dev_priv) >= 10 && | ^~ drivers/gpu/drm/i915/display/intel_display_debugfs.c:2241:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 2241 | if (INTEL_GEN(dev_priv) >= 12) | ^~ drivers/gpu/drm/i915/display/intel_display_debugfs.c: At top level: >> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2247:2: error: expected identifier or '(' before 'if' 2247 | if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) || | ^~ >> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2257:2: error: expected identifier or '(' before 'return' 2257 | return 0; | ^~~~~~ >> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2258:1: error: expected identifier or '(' before '}' token 2258 | } | ^ drivers/gpu/drm/i915/display/intel_display_debugfs.c: In function 'intel_connector_debugfs_add': >> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2244:2: warning: control reaches end of non-void function [-Wreturn-type] 2244 | } | ^ In file included from include/drm/drm_debugfs.h:36, from drivers/gpu/drm/i915/display/intel_display_debugfs.c:6: At top level: drivers/gpu/drm/i915/display/intel_display_debugfs.c:2081:23: warning: 'i915_lpsp_capability_fops' defined but not used [-Wunused-const-variable=] 2081 | DEFINE_SHOW_ATTRIBUTE(i915_lpsp_capability); | ^~~~~~~~~~~~~~~~~~~~ include/linux/seq_file.h:154:37: note: in definition of macro 'DEFINE_SHOW_ATTRIBUTE' 154 | static const struct file_operations __name ## _fops = { | ^~~~~~ vim +2247 drivers/gpu/drm/i915/display/intel_display_debugfs.c 670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2202 926b005cd8c4e3 Jani Nikula 2020-02-11 2203 /** 926b005cd8c4e3 Jani Nikula 2020-02-11 2204 * intel_connector_debugfs_add - add i915 specific connector debugfs files 926b005cd8c4e3 Jani Nikula 2020-02-11 2205 * @connector: pointer to a registered drm_connector 926b005cd8c4e3 Jani Nikula 2020-02-11 2206 * 926b005cd8c4e3 Jani Nikula 2020-02-11 2207 * Cleanup will be done by drm_connector_unregister() through a call to 926b005cd8c4e3 Jani Nikula 2020-02-11 2208 * drm_debugfs_connector_remove(). 926b005cd8c4e3 Jani Nikula 2020-02-11 2209 * 926b005cd8c4e3 Jani Nikula 2020-02-11 2210 * Returns 0 on success, negative error codes on error. 926b005cd8c4e3 Jani Nikula 2020-02-11 2211 */ 926b005cd8c4e3 Jani Nikula 2020-02-11 2212 int intel_connector_debugfs_add(struct drm_connector *connector) 926b005cd8c4e3 Jani Nikula 2020-02-11 2213 { 926b005cd8c4e3 Jani Nikula 2020-02-11 2214 struct dentry *root = connector->debugfs_entry; 926b005cd8c4e3 Jani Nikula 2020-02-11 2215 struct drm_i915_private *dev_priv = to_i915(connector->dev); 926b005cd8c4e3 Jani Nikula 2020-02-11 2216 926b005cd8c4e3 Jani Nikula 2020-02-11 2217 /* The connector must have been registered beforehands. */ 926b005cd8c4e3 Jani Nikula 2020-02-11 2218 if (!root) 926b005cd8c4e3 Jani Nikula 2020-02-11 2219 return -ENODEV; 926b005cd8c4e3 Jani Nikula 2020-02-11 2220 926b005cd8c4e3 Jani Nikula 2020-02-11 2221 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 926b005cd8c4e3 Jani Nikula 2020-02-11 2222 debugfs_create_file("i915_panel_timings", S_IRUGO, root, 926b005cd8c4e3 Jani Nikula 2020-02-11 2223 connector, &i915_panel_fops); 926b005cd8c4e3 Jani Nikula 2020-02-11 2224 debugfs_create_file("i915_psr_sink_status", S_IRUGO, root, 926b005cd8c4e3 Jani Nikula 2020-02-11 2225 connector, &i915_psr_sink_status_fops); 926b005cd8c4e3 Jani Nikula 2020-02-11 2226 } 926b005cd8c4e3 Jani Nikula 2020-02-11 2227 926b005cd8c4e3 Jani Nikula 2020-02-11 2228 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || 926b005cd8c4e3 Jani Nikula 2020-02-11 2229 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 926b005cd8c4e3 Jani Nikula 2020-02-11 2230 connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) { 926b005cd8c4e3 Jani Nikula 2020-02-11 2231 debugfs_create_file("i915_hdcp_sink_capability", S_IRUGO, root, 926b005cd8c4e3 Jani Nikula 2020-02-11 2232 connector, &i915_hdcp_sink_capability_fops); 926b005cd8c4e3 Jani Nikula 2020-02-11 2233 } 926b005cd8c4e3 Jani Nikula 2020-02-11 2234 926b005cd8c4e3 Jani Nikula 2020-02-11 @2235 if (INTEL_GEN(dev_priv) >= 10 && 926b005cd8c4e3 Jani Nikula 2020-02-11 2236 (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || 926b005cd8c4e3 Jani Nikula 2020-02-11 2237 connector->connector_type == DRM_MODE_CONNECTOR_eDP)) 926b005cd8c4e3 Jani Nikula 2020-02-11 2238 debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root, 926b005cd8c4e3 Jani Nikula 2020-02-11 2239 connector, &i915_dsc_fec_support_fops); 926b005cd8c4e3 Jani Nikula 2020-02-11 2240 670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 @2241 if (INTEL_GEN(dev_priv) >= 12) 670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2242 debugfs_create_file("vrr_range", S_IRUGO, 670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2243 root, connector, &vrr_range_fops); 670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 @2244 } 670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2245 8806211fe7b306 Anshuman Gupta 2020-04-15 2246 /* Legacy panels doesn't lpsp on any platform */ 8806211fe7b306 Anshuman Gupta 2020-04-15 @2247 if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) || 8806211fe7b306 Anshuman Gupta 2020-04-15 2248 IS_BROADWELL(dev_priv)) && 8806211fe7b306 Anshuman Gupta 2020-04-15 2249 (connector->connector_type == DRM_MODE_CONNECTOR_DSI || 8806211fe7b306 Anshuman Gupta 2020-04-15 2250 connector->connector_type == DRM_MODE_CONNECTOR_eDP || 8806211fe7b306 Anshuman Gupta 2020-04-15 2251 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || 8806211fe7b306 Anshuman Gupta 2020-04-15 2252 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 8806211fe7b306 Anshuman Gupta 2020-04-15 2253 connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) 8806211fe7b306 Anshuman Gupta 2020-04-15 2254 debugfs_create_file("i915_lpsp_capability", 0444, root, 8806211fe7b306 Anshuman Gupta 2020-04-15 2255 connector, &i915_lpsp_capability_fops); 8806211fe7b306 Anshuman Gupta 2020-04-15 2256 926b005cd8c4e3 Jani Nikula 2020-02-11 @2257 return 0; 926b005cd8c4e3 Jani Nikula 2020-02-11 @2258 } :::::: The code at line 2247 was first introduced by commit :::::: 8806211fe7b30696c1fcae54b73c94abfdf55893 drm/i915: Add i915_lpsp_capability debugfs :::::: TO: Anshuman Gupta <anshuman.gupta@xxxxxxxxx> :::::: CC: Uma Shankar <uma.shankar@xxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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