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-20190215] [cannot apply to v5.0-rc4] [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-HDCP2-2/20190216-090245 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-randconfig-x007-201906 (attached as .config) compiler: gcc-8 (Debian 8.2.0-20) 8.2.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/drm/i915_component.h:27, from drivers/gpu/drm/i915/intel_hdcp.c:10: >> include/drm/drm_audio_component.h:22:27: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration void (*get_power)(struct device *); ^~~~~~ include/drm/drm_audio_component.h:28:27: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration void (*put_power)(struct device *); ^~~~~~ include/drm/drm_audio_component.h:32:37: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration void (*codec_wake_override)(struct device *, bool enable); ^~~~~~ include/drm/drm_audio_component.h:36:31: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration int (*get_cdclk_freq)(struct device *); ^~~~~~ include/drm/drm_audio_component.h:43:32: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration int (*sync_audio_rate)(struct device *, int port, int pipe, int rate); ^~~~~~ include/drm/drm_audio_component.h:56:24: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration int (*get_eld)(struct device *, int port, int pipe, bool *enabled, ^~~~~~ include/drm/drm_audio_component.h:90:28: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration int (*master_bind)(struct device *dev, struct drm_audio_component *); ^~~~~~ include/drm/drm_audio_component.h:97:31: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration void (*master_unbind)(struct device *dev, struct drm_audio_component *); ^~~~~~ In file included from drivers/gpu/drm/i915/intel_drv.h:34, from drivers/gpu/drm/i915/intel_hdcp.c:15: drivers/gpu/drm/i915/i915_drv.h:58:10: fatal error: drm/i915_mei_hdcp_interface.h: No such file or directory #include <drm/i915_mei_hdcp_interface.h> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. -- In file included from include/drm/i915_component.h:27, from drivers/gpu//drm/i915/intel_hdcp.c:10: >> include/drm/drm_audio_component.h:22:27: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration void (*get_power)(struct device *); ^~~~~~ include/drm/drm_audio_component.h:28:27: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration void (*put_power)(struct device *); ^~~~~~ include/drm/drm_audio_component.h:32:37: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration void (*codec_wake_override)(struct device *, bool enable); ^~~~~~ include/drm/drm_audio_component.h:36:31: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration int (*get_cdclk_freq)(struct device *); ^~~~~~ include/drm/drm_audio_component.h:43:32: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration int (*sync_audio_rate)(struct device *, int port, int pipe, int rate); ^~~~~~ include/drm/drm_audio_component.h:56:24: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration int (*get_eld)(struct device *, int port, int pipe, bool *enabled, ^~~~~~ include/drm/drm_audio_component.h:90:28: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration int (*master_bind)(struct device *dev, struct drm_audio_component *); ^~~~~~ include/drm/drm_audio_component.h:97:31: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration void (*master_unbind)(struct device *dev, struct drm_audio_component *); ^~~~~~ In file included from drivers/gpu//drm/i915/intel_drv.h:34, from drivers/gpu//drm/i915/intel_hdcp.c:15: drivers/gpu//drm/i915/i915_drv.h:58:10: fatal error: drm/i915_mei_hdcp_interface.h: No such file or directory #include <drm/i915_mei_hdcp_interface.h> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. vim +22 include/drm/drm_audio_component.h a57942bf Takashi Iwai 2018-07-11 8 ae891abe Takashi Iwai 2018-07-11 9 /** ae891abe Takashi Iwai 2018-07-11 10 * struct drm_audio_component_ops - Ops implemented by DRM driver, called by hda driver ae891abe Takashi Iwai 2018-07-11 11 */ ae891abe Takashi Iwai 2018-07-11 12 struct drm_audio_component_ops { ae891abe Takashi Iwai 2018-07-11 13 /** ae891abe Takashi Iwai 2018-07-11 14 * @owner: drm module to pin down ae891abe Takashi Iwai 2018-07-11 15 */ ae891abe Takashi Iwai 2018-07-11 16 struct module *owner; ae891abe Takashi Iwai 2018-07-11 17 /** ae891abe Takashi Iwai 2018-07-11 18 * @get_power: get the POWER_DOMAIN_AUDIO power well ae891abe Takashi Iwai 2018-07-11 19 * ae891abe Takashi Iwai 2018-07-11 20 * Request the power well to be turned on. ae891abe Takashi Iwai 2018-07-11 21 */ ae891abe Takashi Iwai 2018-07-11 @22 void (*get_power)(struct device *); ae891abe Takashi Iwai 2018-07-11 23 /** ae891abe Takashi Iwai 2018-07-11 24 * @put_power: put the POWER_DOMAIN_AUDIO power well ae891abe Takashi Iwai 2018-07-11 25 * ae891abe Takashi Iwai 2018-07-11 26 * Allow the power well to be turned off. ae891abe Takashi Iwai 2018-07-11 27 */ ae891abe Takashi Iwai 2018-07-11 28 void (*put_power)(struct device *); ae891abe Takashi Iwai 2018-07-11 29 /** ae891abe Takashi Iwai 2018-07-11 30 * @codec_wake_override: Enable/disable codec wake signal ae891abe Takashi Iwai 2018-07-11 31 */ ae891abe Takashi Iwai 2018-07-11 32 void (*codec_wake_override)(struct device *, bool enable); ae891abe Takashi Iwai 2018-07-11 33 /** ae891abe Takashi Iwai 2018-07-11 34 * @get_cdclk_freq: Get the Core Display Clock in kHz ae891abe Takashi Iwai 2018-07-11 35 */ ae891abe Takashi Iwai 2018-07-11 36 int (*get_cdclk_freq)(struct device *); ae891abe Takashi Iwai 2018-07-11 37 /** ae891abe Takashi Iwai 2018-07-11 38 * @sync_audio_rate: set n/cts based on the sample rate ae891abe Takashi Iwai 2018-07-11 39 * ae891abe Takashi Iwai 2018-07-11 40 * Called from audio driver. After audio driver sets the ae891abe Takashi Iwai 2018-07-11 41 * sample rate, it will call this function to set n/cts ae891abe Takashi Iwai 2018-07-11 42 */ ae891abe Takashi Iwai 2018-07-11 43 int (*sync_audio_rate)(struct device *, int port, int pipe, int rate); ae891abe Takashi Iwai 2018-07-11 44 /** ae891abe Takashi Iwai 2018-07-11 45 * @get_eld: fill the audio state and ELD bytes for the given port ae891abe Takashi Iwai 2018-07-11 46 * ae891abe Takashi Iwai 2018-07-11 47 * Called from audio driver to get the HDMI/DP audio state of the given ae891abe Takashi Iwai 2018-07-11 48 * digital port, and also fetch ELD bytes to the given pointer. ae891abe Takashi Iwai 2018-07-11 49 * ae891abe Takashi Iwai 2018-07-11 50 * It returns the byte size of the original ELD (not the actually ae891abe Takashi Iwai 2018-07-11 51 * copied size), zero for an invalid ELD, or a negative error code. ae891abe Takashi Iwai 2018-07-11 52 * ae891abe Takashi Iwai 2018-07-11 53 * Note that the returned size may be over @max_bytes. Then it ae891abe Takashi Iwai 2018-07-11 54 * implies that only a part of ELD has been copied to the buffer. ae891abe Takashi Iwai 2018-07-11 55 */ ae891abe Takashi Iwai 2018-07-11 56 int (*get_eld)(struct device *, int port, int pipe, bool *enabled, ae891abe Takashi Iwai 2018-07-11 57 unsigned char *buf, int max_bytes); ae891abe Takashi Iwai 2018-07-11 58 }; ae891abe Takashi Iwai 2018-07-11 59 :::::: The code at line 22 was first introduced by commit :::::: ae891abe7c2ccf75b69ca8330225e37ecc06924e drm/i915: Split audio component to a generic type :::::: TO: Takashi Iwai <tiwai@xxxxxxx> :::::: CC: Takashi Iwai <tiwai@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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