[Intel-gfx] [PATCH v14 03/32] drm/i915: MEI interface implementation

kbuild test robot lkp at intel.com
Sat Feb 16 01:40:07 UTC 2019


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 at suse.de>
:::::: CC: Takashi Iwai <tiwai at suse.de>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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