Re: [PATCH v4 05/27] drm: fix some kernel-doc markups

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On Mon, Nov 16, 2020 at 01:37:11PM +0200, Jani Nikula wrote:
> On Mon, 16 Nov 2020, Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> wrote:
> > Some identifiers have different names between their prototypes
> > and the kernel-doc markup.
> >
> > Others need to be fixed, as kernel-doc markups should use this format:
> >         identifier - description
> >
> > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/drm_atomic_state_helper.c     | 2 +-
> >  drivers/gpu/drm/drm_connector.c               | 3 ++-
> >  drivers/gpu/drm/drm_dp_helper.c               | 2 +-
> >  drivers/gpu/drm/drm_framebuffer.c             | 2 +-
> >  drivers/gpu/drm/drm_gem.c                     | 4 ++--
> >  drivers/gpu/drm/drm_gem_vram_helper.c         | 2 +-
> >  drivers/gpu/drm/drm_mode_object.c             | 2 +-
> >  drivers/gpu/drm/drm_modes.c                   | 4 ++--
> >  drivers/gpu/drm/drm_scdc_helper.c             | 2 +-
> >  drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 2 +-
> >  drivers/gpu/drm/i915/i915_gem_evict.c         | 2 +-
> >  drivers/gpu/drm/i915/i915_perf.c              | 8 +++++---
> 
> For the i915 parts,
> 
> Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> 
> for merging via whichever tree.

Smashed into drm-misc-next.
-Daniel

> 
> >  drivers/gpu/drm/scheduler/sched_main.c        | 2 +-
> >  drivers/gpu/drm/v3d/v3d_sched.c               | 2 +-
> >  drivers/gpu/drm/vc4/vc4_bo.c                  | 2 +-
> >  include/drm/drm_atomic_helper.h               | 4 ++--
> >  include/drm/drm_connector.h                   | 2 +-
> >  include/drm/drm_device.h                      | 2 +-
> >  include/drm/drm_dsc.h                         | 3 ++-
> >  include/drm/drm_gem_vram_helper.h             | 8 ++++----
> >  20 files changed, 32 insertions(+), 28 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c
> > index 9ad74045158e..ddcf5c2c8e6a 100644
> > --- a/drivers/gpu/drm/drm_atomic_state_helper.c
> > +++ b/drivers/gpu/drm/drm_atomic_state_helper.c
> > @@ -526,41 +526,41 @@ __drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state)
> >  }
> >  EXPORT_SYMBOL(__drm_atomic_helper_connector_destroy_state);
> >  
> >  /**
> >   * drm_atomic_helper_connector_destroy_state - default state destroy hook
> >   * @connector: drm connector
> >   * @state: connector state object to release
> >   *
> >   * Default connector state destroy hook for drivers which don't have their own
> >   * subclassed connector state structure.
> >   */
> >  void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
> >  					  struct drm_connector_state *state)
> >  {
> >  	__drm_atomic_helper_connector_destroy_state(state);
> >  	kfree(state);
> >  }
> >  EXPORT_SYMBOL(drm_atomic_helper_connector_destroy_state);
> >  
> >  /**
> > - * __drm_atomic_helper_private_duplicate_state - copy atomic private state
> > + * __drm_atomic_helper_private_obj_duplicate_state - copy atomic private state
> >   * @obj: CRTC object
> >   * @state: new private object state
> >   *
> >   * Copies atomic state from a private objects's current state and resets inferred values.
> >   * This is useful for drivers that subclass the private state.
> >   */
> >  void __drm_atomic_helper_private_obj_duplicate_state(struct drm_private_obj *obj,
> >  						     struct drm_private_state *state)
> >  {
> >  	memcpy(state, obj->state, sizeof(*state));
> >  }
> >  EXPORT_SYMBOL(__drm_atomic_helper_private_obj_duplicate_state);
> >  
> >  /**
> >   * __drm_atomic_helper_bridge_duplicate_state() - Copy atomic bridge state
> >   * @bridge: bridge object
> >   * @state: atomic bridge state
> >   *
> >   * Copies atomic state from a bridge's current state and resets inferred values.
> >   * This is useful for drivers that subclass the bridge state.
> > diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> > index 1913d8b4e16a..98b6ec45ef96 100644
> > --- a/drivers/gpu/drm/drm_connector.c
> > +++ b/drivers/gpu/drm/drm_connector.c
> > @@ -1415,41 +1415,42 @@ void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
> >  		break;
> >  	case DRM_MODE_CONTENT_TYPE_CINEMA:
> >  		frame->content_type = HDMI_CONTENT_TYPE_CINEMA;
> >  		break;
> >  	case DRM_MODE_CONTENT_TYPE_GAME:
> >  		frame->content_type = HDMI_CONTENT_TYPE_GAME;
> >  		break;
> >  	case DRM_MODE_CONTENT_TYPE_PHOTO:
> >  		frame->content_type = HDMI_CONTENT_TYPE_PHOTO;
> >  		break;
> >  	default:
> >  		/* Graphics is the default(0) */
> >  		frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
> >  	}
> >  
> >  	frame->itc = conn_state->content_type != DRM_MODE_CONTENT_TYPE_NO_DATA;
> >  }
> >  EXPORT_SYMBOL(drm_hdmi_avi_infoframe_content_type);
> >  
> >  /**
> > - * drm_mode_attach_tv_margin_properties - attach TV connector margin properties
> > + * drm_connector_attach_tv_margin_properties - attach TV connector margin
> > + * 	properties
> >   * @connector: DRM connector
> >   *
> >   * Called by a driver when it needs to attach TV margin props to a connector.
> >   * Typically used on SDTV and HDMI connectors.
> >   */
> >  void drm_connector_attach_tv_margin_properties(struct drm_connector *connector)
> >  {
> >  	struct drm_device *dev = connector->dev;
> >  
> >  	drm_object_attach_property(&connector->base,
> >  				   dev->mode_config.tv_left_margin_property,
> >  				   0);
> >  	drm_object_attach_property(&connector->base,
> >  				   dev->mode_config.tv_right_margin_property,
> >  				   0);
> >  	drm_object_attach_property(&connector->base,
> >  				   dev->mode_config.tv_top_margin_property,
> >  				   0);
> >  	drm_object_attach_property(&connector->base,
> >  				   dev->mode_config.tv_bottom_margin_property,
> > diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
> > index 37ec3b94389c..5bd0934004e3 100644
> > --- a/drivers/gpu/drm/drm_dp_helper.c
> > +++ b/drivers/gpu/drm/drm_dp_helper.c
> > @@ -1144,41 +1144,41 @@ drm_dp_subconnector_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
> >  	switch (type) {
> >  	case DP_DS_PORT_TYPE_DP:
> >  	case DP_DS_PORT_TYPE_DP_DUALMODE:
> >  		return DRM_MODE_SUBCONNECTOR_DisplayPort;
> >  	case DP_DS_PORT_TYPE_VGA:
> >  		return DRM_MODE_SUBCONNECTOR_VGA;
> >  	case DP_DS_PORT_TYPE_DVI:
> >  		return DRM_MODE_SUBCONNECTOR_DVID;
> >  	case DP_DS_PORT_TYPE_HDMI:
> >  		return DRM_MODE_SUBCONNECTOR_HDMIA;
> >  	case DP_DS_PORT_TYPE_WIRELESS:
> >  		return DRM_MODE_SUBCONNECTOR_Wireless;
> >  	case DP_DS_PORT_TYPE_NON_EDID:
> >  	default:
> >  		return DRM_MODE_SUBCONNECTOR_Unknown;
> >  	}
> >  }
> >  EXPORT_SYMBOL(drm_dp_subconnector_type);
> >  
> >  /**
> > - * drm_mode_set_dp_subconnector_property - set subconnector for DP connector
> > + * drm_dp_set_subconnector_property - set subconnector for DP connector
> >   * @connector: connector to set property on
> >   * @status: connector status
> >   * @dpcd: DisplayPort configuration data
> >   * @port_cap: port capabilities
> >   *
> >   * Called by a driver on every detect event.
> >   */
> >  void drm_dp_set_subconnector_property(struct drm_connector *connector,
> >  				      enum drm_connector_status status,
> >  				      const u8 *dpcd,
> >  				      const u8 port_cap[4])
> >  {
> >  	enum drm_mode_subconnector subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
> >  
> >  	if (status == connector_status_connected)
> >  		subconnector = drm_dp_subconnector_type(dpcd, port_cap);
> >  	drm_object_property_set_value(&connector->base,
> >  			connector->dev->mode_config.dp_subconnector_property,
> >  			subconnector);
> >  }
> > diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
> > index 2f5b0c2bb0fe..aca62ed51e82 100644
> > --- a/drivers/gpu/drm/drm_framebuffer.c
> > +++ b/drivers/gpu/drm/drm_framebuffer.c
> > @@ -535,41 +535,41 @@ int drm_mode_getfb(struct drm_device *dev,
> >  
> >  	/* GET_FB() is an unprivileged ioctl so we must not return a
> >  	 * buffer-handle to non-master processes! For
> >  	 * backwards-compatibility reasons, we cannot make GET_FB() privileged,
> >  	 * so just return an invalid handle for non-masters.
> >  	 */
> >  	if (!drm_is_current_master(file_priv) && !capable(CAP_SYS_ADMIN)) {
> >  		r->handle = 0;
> >  		ret = 0;
> >  		goto out;
> >  	}
> >  
> >  	ret = fb->funcs->create_handle(fb, file_priv, &r->handle);
> >  
> >  out:
> >  	drm_framebuffer_put(fb);
> >  	return ret;
> >  }
> >  
> >  /**
> > - * drm_mode_getfb2 - get extended FB info
> > + * drm_mode_getfb2_ioctl - get extended FB info
> >   * @dev: drm device for the ioctl
> >   * @data: data pointer for the ioctl
> >   * @file_priv: drm file for the ioctl call
> >   *
> >   * Lookup the FB given its ID and return info about it.
> >   *
> >   * Called by the user via ioctl.
> >   *
> >   * Returns:
> >   * Zero on success, negative errno on failure.
> >   */
> >  int drm_mode_getfb2_ioctl(struct drm_device *dev,
> >  			  void *data, struct drm_file *file_priv)
> >  {
> >  	struct drm_mode_fb_cmd2 *r = data;
> >  	struct drm_framebuffer *fb;
> >  	unsigned int i;
> >  	int ret;
> >  
> >  	if (!drm_core_check_feature(dev, DRIVER_MODESET))
> > diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
> > index eb2d23e04be9..92f89cee213e 100644
> > --- a/drivers/gpu/drm/drm_gem.c
> > +++ b/drivers/gpu/drm/drm_gem.c
> > @@ -850,41 +850,41 @@ drm_gem_flink_ioctl(struct drm_device *dev, void *data,
> >  	}
> >  
> >  	if (!obj->name) {
> >  		ret = idr_alloc(&dev->object_name_idr, obj, 1, 0, GFP_KERNEL);
> >  		if (ret < 0)
> >  			goto err;
> >  
> >  		obj->name = ret;
> >  	}
> >  
> >  	args->name = (uint64_t) obj->name;
> >  	ret = 0;
> >  
> >  err:
> >  	mutex_unlock(&dev->object_name_lock);
> >  	drm_gem_object_put(obj);
> >  	return ret;
> >  }
> >  
> >  /**
> > - * drm_gem_open - implementation of the GEM_OPEN ioctl
> > + * drm_gem_open_ioctl - implementation of the GEM_OPEN ioctl
> >   * @dev: drm_device
> >   * @data: ioctl data
> >   * @file_priv: drm file-private structure
> >   *
> >   * Open an object using the global name, returning a handle and the size.
> >   *
> >   * This handle (of course) holds a reference to the object, so the object
> >   * will not go away until the handle is deleted.
> >   */
> >  int
> >  drm_gem_open_ioctl(struct drm_device *dev, void *data,
> >  		   struct drm_file *file_priv)
> >  {
> >  	struct drm_gem_open *args = data;
> >  	struct drm_gem_object *obj;
> >  	int ret;
> >  	u32 handle;
> >  
> >  	if (!drm_core_check_feature(dev, DRIVER_GEM))
> >  		return -EOPNOTSUPP;
> > @@ -895,41 +895,41 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data,
> >  		drm_gem_object_get(obj);
> >  	} else {
> >  		mutex_unlock(&dev->object_name_lock);
> >  		return -ENOENT;
> >  	}
> >  
> >  	/* drm_gem_handle_create_tail unlocks dev->object_name_lock. */
> >  	ret = drm_gem_handle_create_tail(file_priv, obj, &handle);
> >  	if (ret)
> >  		goto err;
> >  
> >  	args->handle = handle;
> >  	args->size = obj->size;
> >  
> >  err:
> >  	drm_gem_object_put(obj);
> >  	return ret;
> >  }
> >  
> >  /**
> > - * gem_gem_open - initalizes GEM file-private structures at devnode open time
> > + * drm_gem_open - initalizes GEM file-private structures at devnode open time
> >   * @dev: drm_device which is being opened by userspace
> >   * @file_private: drm file-private structure to set up
> >   *
> >   * Called at device open time, sets up the structure for handling refcounting
> >   * of mm objects.
> >   */
> >  void
> >  drm_gem_open(struct drm_device *dev, struct drm_file *file_private)
> >  {
> >  	idr_init_base(&file_private->object_idr, 1);
> >  	spin_lock_init(&file_private->table_lock);
> >  }
> >  
> >  /**
> >   * drm_gem_release - release file-private GEM resources
> >   * @dev: drm_device which is being closed by userspace
> >   * @file_private: drm file-private structure to clean up
> >   *
> >   * Called at close time when the filp is going away.
> >   *
> > diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
> > index 889a06696f7e..02ca22e90290 100644
> > --- a/drivers/gpu/drm/drm_gem_vram_helper.c
> > +++ b/drivers/gpu/drm/drm_gem_vram_helper.c
> > @@ -600,41 +600,41 @@ static int drm_gem_vram_bo_driver_move(struct drm_gem_vram_object *gbo,
> >   * Helpers for struct drm_gem_object_funcs
> >   */
> >  
> >  /**
> >   * drm_gem_vram_object_free() - \
> >  	Implements &struct drm_gem_object_funcs.free
> >   * @gem:       GEM object. Refers to &struct drm_gem_vram_object.gem
> >   */
> >  static void drm_gem_vram_object_free(struct drm_gem_object *gem)
> >  {
> >  	struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem);
> >  
> >  	drm_gem_vram_put(gbo);
> >  }
> >  
> >  /*
> >   * Helpers for dump buffers
> >   */
> >  
> >  /**
> > - * drm_gem_vram_driver_create_dumb() - \
> > + * drm_gem_vram_driver_dumb_create() - \
> >  	Implements &struct drm_driver.dumb_create
> >   * @file:		the DRM file
> >   * @dev:		the DRM device
> >   * @args:		the arguments as provided to \
> >  				&struct drm_driver.dumb_create
> >   *
> >   * This function requires the driver to use @drm_device.vram_mm for its
> >   * instance of VRAM MM.
> >   *
> >   * Returns:
> >   * 0 on success, or
> >   * a negative error code otherwise.
> >   */
> >  int drm_gem_vram_driver_dumb_create(struct drm_file *file,
> >  				    struct drm_device *dev,
> >  				    struct drm_mode_create_dumb *args)
> >  {
> >  	if (WARN_ONCE(!dev->vram_mm, "VRAM MM not initialized"))
> >  		return -EINVAL;
> >  
> > diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c
> > index db05f386a709..b26588b52795 100644
> > --- a/drivers/gpu/drm/drm_mode_object.c
> > +++ b/drivers/gpu/drm/drm_mode_object.c
> > @@ -98,41 +98,41 @@ void drm_mode_object_register(struct drm_device *dev,
> >   * Free @id from @dev's unique identifier pool.
> >   * This function can be called multiple times, and guards against
> >   * multiple removals.
> >   * These modeset identifiers are _not_ reference counted. Hence don't use this
> >   * for reference counted modeset objects like framebuffers.
> >   */
> >  void drm_mode_object_unregister(struct drm_device *dev,
> >  				struct drm_mode_object *object)
> >  {
> >  	WARN_ON(!dev->driver->load && dev->registered && !object->free_cb);
> >  
> >  	mutex_lock(&dev->mode_config.idr_mutex);
> >  	if (object->id) {
> >  		idr_remove(&dev->mode_config.object_idr, object->id);
> >  		object->id = 0;
> >  	}
> >  	mutex_unlock(&dev->mode_config.idr_mutex);
> >  }
> >  
> >  /**
> > - * drm_lease_required - check types which must be leased to be used
> > + * drm_mode_object_lease_required - check types which must be leased to be used
> >   * @type: type of object
> >   *
> >   * Returns whether the provided type of drm_mode_object must
> >   * be owned or leased to be used by a process.
> >   */
> >  bool drm_mode_object_lease_required(uint32_t type)
> >  {
> >  	switch(type) {
> >  	case DRM_MODE_OBJECT_CRTC:
> >  	case DRM_MODE_OBJECT_CONNECTOR:
> >  	case DRM_MODE_OBJECT_PLANE:
> >  		return true;
> >  	default:
> >  		return false;
> >  	}
> >  }
> >  
> >  struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
> >  					       struct drm_file *file_priv,
> >  					       uint32_t id, uint32_t type)
> > diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> > index 501b4fe55a3d..33fb2f05ce66 100644
> > --- a/drivers/gpu/drm/drm_modes.c
> > +++ b/drivers/gpu/drm/drm_modes.c
> > @@ -1872,41 +1872,41 @@ drm_mode_create_from_cmdline_mode(struct drm_device *dev,
> >  				    cmd->margins);
> >  	else
> >  		mode = drm_gtf_mode(dev,
> >  				    cmd->xres, cmd->yres,
> >  				    cmd->refresh_specified ? cmd->refresh : 60,
> >  				    cmd->interlace,
> >  				    cmd->margins);
> >  	if (!mode)
> >  		return NULL;
> >  
> >  	mode->type |= DRM_MODE_TYPE_USERDEF;
> >  	/* fix up 1368x768: GFT/CVT can't express 1366 width due to alignment */
> >  	if (cmd->xres == 1366)
> >  		drm_mode_fixup_1366x768(mode);
> >  	drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
> >  	return mode;
> >  }
> >  EXPORT_SYMBOL(drm_mode_create_from_cmdline_mode);
> >  
> >  /**
> > - * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
> > + * drm_mode_convert_to_umode - convert a drm_display_mode into a modeinfo
> >   * @out: drm_mode_modeinfo struct to return to the user
> >   * @in: drm_display_mode to use
> >   *
> >   * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
> >   * the user.
> >   */
> >  void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
> >  			       const struct drm_display_mode *in)
> >  {
> >  	out->clock = in->clock;
> >  	out->hdisplay = in->hdisplay;
> >  	out->hsync_start = in->hsync_start;
> >  	out->hsync_end = in->hsync_end;
> >  	out->htotal = in->htotal;
> >  	out->hskew = in->hskew;
> >  	out->vdisplay = in->vdisplay;
> >  	out->vsync_start = in->vsync_start;
> >  	out->vsync_end = in->vsync_end;
> >  	out->vtotal = in->vtotal;
> >  	out->vscan = in->vscan;
> > @@ -1924,41 +1924,41 @@ void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
> >  	case HDMI_PICTURE_ASPECT_64_27:
> >  		out->flags |= DRM_MODE_FLAG_PIC_AR_64_27;
> >  		break;
> >  	case HDMI_PICTURE_ASPECT_256_135:
> >  		out->flags |= DRM_MODE_FLAG_PIC_AR_256_135;
> >  		break;
> >  	default:
> >  		WARN(1, "Invalid aspect ratio (0%x) on mode\n",
> >  		     in->picture_aspect_ratio);
> >  		fallthrough;
> >  	case HDMI_PICTURE_ASPECT_NONE:
> >  		out->flags |= DRM_MODE_FLAG_PIC_AR_NONE;
> >  		break;
> >  	}
> >  
> >  	strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
> >  	out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
> >  }
> >  
> >  /**
> > - * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode
> > + * drm_mode_convert_umode - convert a modeinfo into a drm_display_mode
> >   * @dev: drm device
> >   * @out: drm_display_mode to return to the user
> >   * @in: drm_mode_modeinfo to use
> >   *
> >   * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
> >   * the caller.
> >   *
> >   * Returns:
> >   * Zero on success, negative errno on failure.
> >   */
> >  int drm_mode_convert_umode(struct drm_device *dev,
> >  			   struct drm_display_mode *out,
> >  			   const struct drm_mode_modeinfo *in)
> >  {
> >  	if (in->clock > INT_MAX || in->vrefresh > INT_MAX)
> >  		return -ERANGE;
> >  
> >  	out->clock = in->clock;
> >  	out->hdisplay = in->hdisplay;
> >  	out->hsync_start = in->hsync_start;
> > diff --git a/drivers/gpu/drm/drm_scdc_helper.c b/drivers/gpu/drm/drm_scdc_helper.c
> > index 311e71bbba5b..991b8c86d78d 100644
> > --- a/drivers/gpu/drm/drm_scdc_helper.c
> > +++ b/drivers/gpu/drm/drm_scdc_helper.c
> > @@ -108,41 +108,41 @@ ssize_t drm_scdc_write(struct i2c_adapter *adapter, u8 offset,
> >  
> >  	msg.buf = data;
> >  
> >  	memcpy(data, &offset, sizeof(offset));
> >  	memcpy(data + 1, buffer, size);
> >  
> >  	err = i2c_transfer(adapter, &msg, 1);
> >  
> >  	kfree(data);
> >  
> >  	if (err < 0)
> >  		return err;
> >  	if (err != 1)
> >  		return -EPROTO;
> >  
> >  	return 0;
> >  }
> >  EXPORT_SYMBOL(drm_scdc_write);
> >  
> >  /**
> > - * drm_scdc_check_scrambling_status - what is status of scrambling?
> > + * drm_scdc_get_scrambling_status - what is status of scrambling?
> >   * @adapter: I2C adapter for DDC channel
> >   *
> >   * Reads the scrambler status over SCDC, and checks the
> >   * scrambling status.
> >   *
> >   * Returns:
> >   * True if the scrambling is enabled, false otherwise.
> >   */
> >  bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter)
> >  {
> >  	u8 status;
> >  	int ret;
> >  
> >  	ret = drm_scdc_readb(adapter, SCDC_SCRAMBLER_STATUS, &status);
> >  	if (ret < 0) {
> >  		DRM_DEBUG_KMS("Failed to read scrambling status: %d\n", ret);
> >  		return false;
> >  	}
> >  
> >  	return status & SCDC_SCRAMBLING_STATUS;
> > diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> > index a95e6a2ac698..8753bab20ce8 100644
> > --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> > +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> > @@ -4573,41 +4573,41 @@ static void sanitize_dpll_state(struct drm_i915_private *i915,
> >  	if (!pll->on || pll->active_mask)
> >  		return;
> >  
> >  	drm_dbg_kms(&i915->drm,
> >  		    "%s enabled but not in use, disabling\n",
> >  		    pll->info->name);
> >  
> >  	pll->info->funcs->disable(i915, pll);
> >  	pll->on = false;
> >  }
> >  
> >  void intel_dpll_sanitize_state(struct drm_i915_private *i915)
> >  {
> >  	int i;
> >  
> >  	for (i = 0; i < i915->dpll.num_shared_dpll; i++)
> >  		sanitize_dpll_state(i915, &i915->dpll.shared_dplls[i]);
> >  }
> >  
> >  /**
> > - * intel_shared_dpll_dump_hw_state - write hw_state to dmesg
> > + * intel_dpll_dump_hw_state - write hw_state to dmesg
> >   * @dev_priv: i915 drm device
> >   * @hw_state: hw state to be written to the log
> >   *
> >   * Write the relevant values in @hw_state to dmesg using drm_dbg_kms.
> >   */
> >  void intel_dpll_dump_hw_state(struct drm_i915_private *dev_priv,
> >  			      const struct intel_dpll_hw_state *hw_state)
> >  {
> >  	if (dev_priv->dpll.mgr) {
> >  		dev_priv->dpll.mgr->dump_hw_state(dev_priv, hw_state);
> >  	} else {
> >  		/* fallback for platforms that don't use the shared dpll
> >  		 * infrastructure
> >  		 */
> >  		drm_dbg_kms(&dev_priv->drm,
> >  			    "dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, "
> >  			    "fp0: 0x%x, fp1: 0x%x\n",
> >  			    hw_state->dpll,
> >  			    hw_state->dpll_md,
> >  			    hw_state->fp0,
> > diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
> > index 6501939929d5..e1a66c8245b8 100644
> > --- a/drivers/gpu/drm/i915/i915_gem_evict.c
> > +++ b/drivers/gpu/drm/i915/i915_gem_evict.c
> > @@ -221,41 +221,41 @@ i915_gem_evict_something(struct i915_address_space *vm,
> >  	list_for_each_entry_safe(vma, next, &eviction_list, evict_link) {
> >  		__i915_vma_unpin(vma);
> >  		if (ret == 0)
> >  			ret = __i915_vma_unbind(vma);
> >  	}
> >  
> >  	while (ret == 0 && (node = drm_mm_scan_color_evict(&scan))) {
> >  		vma = container_of(node, struct i915_vma, node);
> >  
> >  		/* If we find any non-objects (!vma), we cannot evict them */
> >  		if (vma->node.color != I915_COLOR_UNEVICTABLE)
> >  			ret = __i915_vma_unbind(vma);
> >  		else
> >  			ret = -ENOSPC; /* XXX search failed, try again? */
> >  	}
> >  
> >  	return ret;
> >  }
> >  
> >  /**
> > - * i915_gem_evict_for_vma - Evict vmas to make room for binding a new one
> > + * i915_gem_evict_for_node - Evict vmas to make room for binding a new one
> >   * @vm: address space to evict from
> >   * @target: range (and color) to evict for
> >   * @flags: additional flags to control the eviction algorithm
> >   *
> >   * This function will try to evict vmas that overlap the target node.
> >   *
> >   * To clarify: This is for freeing up virtual address space, not for freeing
> >   * memory in e.g. the shrinker.
> >   */
> >  int i915_gem_evict_for_node(struct i915_address_space *vm,
> >  			    struct drm_mm_node *target,
> >  			    unsigned int flags)
> >  {
> >  	LIST_HEAD(eviction_list);
> >  	struct drm_mm_node *node;
> >  	u64 start = target->start;
> >  	u64 end = start + target->size;
> >  	struct i915_vma *vma, *next;
> >  	int ret = 0;
> >  
> > diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
> > index e94976976571..3ced82820483 100644
> > --- a/drivers/gpu/drm/i915/i915_perf.c
> > +++ b/drivers/gpu/drm/i915/i915_perf.c
> > @@ -608,41 +608,42 @@ static int append_oa_sample(struct i915_perf_stream *stream,
> >  
> >  	if ((count - *offset) < header.size)
> >  		return -ENOSPC;
> >  
> >  	buf += *offset;
> >  	if (copy_to_user(buf, &header, sizeof(header)))
> >  		return -EFAULT;
> >  	buf += sizeof(header);
> >  
> >  	if (sample_flags & SAMPLE_OA_REPORT) {
> >  		if (copy_to_user(buf, report, report_size))
> >  			return -EFAULT;
> >  	}
> >  
> >  	(*offset) += header.size;
> >  
> >  	return 0;
> >  }
> >  
> >  /**
> > - * Copies all buffered OA reports into userspace read() buffer.
> > + * gen8_append_oa_reports - Copies all buffered OA reports into
> > + *			    userspace read() buffer.
> >   * @stream: An i915-perf stream opened for OA metrics
> >   * @buf: destination buffer given by userspace
> >   * @count: the number of bytes userspace wants to read
> >   * @offset: (inout): the current position for writing into @buf
> >   *
> >   * Notably any error condition resulting in a short read (-%ENOSPC or
> >   * -%EFAULT) will be returned even though one or more records may
> >   * have been successfully copied. In this case it's up to the caller
> >   * to decide if the error should be squashed before returning to
> >   * userspace.
> >   *
> >   * Note: reports are consumed from the head, and appended to the
> >   * tail, so the tail chases the head?... If you think that's mad
> >   * and back-to-front you're not alone, but this follows the
> >   * Gen PRM naming convention.
> >   *
> >   * Returns: 0 on success, negative error code on failure.
> >   */
> >  static int gen8_append_oa_reports(struct i915_perf_stream *stream,
> >  				  char __user *buf,
> > @@ -900,41 +901,42 @@ static int gen8_oa_read(struct i915_perf_stream *stream,
> >  		/*
> >  		 * Note: .oa_enable() is expected to re-init the oabuffer and
> >  		 * reset GEN8_OASTATUS for us
> >  		 */
> >  		oastatus = intel_uncore_read(uncore, oastatus_reg);
> >  	}
> >  
> >  	if (oastatus & GEN8_OASTATUS_REPORT_LOST) {
> >  		ret = append_oa_status(stream, buf, count, offset,
> >  				       DRM_I915_PERF_RECORD_OA_REPORT_LOST);
> >  		if (ret)
> >  			return ret;
> >  		intel_uncore_write(uncore, oastatus_reg,
> >  				   oastatus & ~GEN8_OASTATUS_REPORT_LOST);
> >  	}
> >  
> >  	return gen8_append_oa_reports(stream, buf, count, offset);
> >  }
> >  
> >  /**
> > - * Copies all buffered OA reports into userspace read() buffer.
> > + * gen7_append_oa_reports - Copies all buffered OA reports into
> > + *			    userspace read() buffer.
> >   * @stream: An i915-perf stream opened for OA metrics
> >   * @buf: destination buffer given by userspace
> >   * @count: the number of bytes userspace wants to read
> >   * @offset: (inout): the current position for writing into @buf
> >   *
> >   * Notably any error condition resulting in a short read (-%ENOSPC or
> >   * -%EFAULT) will be returned even though one or more records may
> >   * have been successfully copied. In this case it's up to the caller
> >   * to decide if the error should be squashed before returning to
> >   * userspace.
> >   *
> >   * Note: reports are consumed from the head, and appended to the
> >   * tail, so the tail chases the head?... If you think that's mad
> >   * and back-to-front you're not alone, but this follows the
> >   * Gen PRM naming convention.
> >   *
> >   * Returns: 0 on success, negative error code on failure.
> >   */
> >  static int gen7_append_oa_reports(struct i915_perf_stream *stream,
> >  				  char __user *buf,
> > @@ -3210,41 +3212,41 @@ static long i915_perf_config_locked(struct i915_perf_stream *stream,
> >  		 * reconfiguration inline from that context. The update
> >  		 * will then be ordered with respect to submission on that
> >  		 * context.
> >  		 *
> >  		 * When set globally, we use a low priority kernel context,
> >  		 * so it will effectively take effect when idle.
> >  		 */
> >  		err = emit_oa_config(stream, config, oa_context(stream), NULL);
> >  		if (!err)
> >  			config = xchg(&stream->oa_config, config);
> >  		else
> >  			ret = err;
> >  	}
> >  
> >  	i915_oa_config_put(config);
> >  
> >  	return ret;
> >  }
> >  
> >  /**
> > - * i915_perf_ioctl - support ioctl() usage with i915 perf stream FDs
> > + * i915_perf_ioctl_locked - support ioctl() usage with i915 perf stream FDs
> >   * @stream: An i915 perf stream
> >   * @cmd: the ioctl request
> >   * @arg: the ioctl data
> >   *
> >   * Note: The &perf->lock mutex has been taken to serialize
> >   * with any non-file-operation driver hooks.
> >   *
> >   * Returns: zero on success or a negative error code. Returns -EINVAL for
> >   * an unknown ioctl request.
> >   */
> >  static long i915_perf_ioctl_locked(struct i915_perf_stream *stream,
> >  				   unsigned int cmd,
> >  				   unsigned long arg)
> >  {
> >  	switch (cmd) {
> >  	case I915_PERF_IOCTL_ENABLE:
> >  		i915_perf_enable_locked(stream);
> >  		return 0;
> >  	case I915_PERF_IOCTL_DISABLE:
> >  		i915_perf_disable_locked(stream);
> > diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
> > index da24c4e8b9fb..b498d474ef9e 100644
> > --- a/drivers/gpu/drm/scheduler/sched_main.c
> > +++ b/drivers/gpu/drm/scheduler/sched_main.c
> > @@ -430,41 +430,41 @@ void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad)
> >  			 */
> >  			if (bad != s_job)
> >  				sched->ops->free_job(s_job);
> >  			else
> >  				sched->free_guilty = true;
> >  		}
> >  	}
> >  
> >  	/*
> >  	 * Stop pending timer in flight as we rearm it in  drm_sched_start. This
> >  	 * avoids the pending timeout work in progress to fire right away after
> >  	 * this TDR finished and before the newly restarted jobs had a
> >  	 * chance to complete.
> >  	 */
> >  	cancel_delayed_work(&sched->work_tdr);
> >  }
> >  
> >  EXPORT_SYMBOL(drm_sched_stop);
> >  
> >  /**
> > - * drm_sched_job_recovery - recover jobs after a reset
> > + * drm_sched_start - recover jobs after a reset
> >   *
> >   * @sched: scheduler instance
> >   * @full_recovery: proceed with complete sched restart
> >   *
> >   */
> >  void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery)
> >  {
> >  	struct drm_sched_job *s_job, *tmp;
> >  	int r;
> >  
> >  	/*
> >  	 * Locking the list is not required here as the sched thread is parked
> >  	 * so no new jobs are being inserted or removed. Also concurrent
> >  	 * GPU recovers can't run in parallel.
> >  	 */
> >  	list_for_each_entry_safe(s_job, tmp, &sched->ring_mirror_list, node) {
> >  		struct dma_fence *fence = s_job->s_fence->parent;
> >  
> >  		atomic_inc(&sched->hw_rq_count);
> >  
> > diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c
> > index 0747614a78f0..f968f389633a 100644
> > --- a/drivers/gpu/drm/v3d/v3d_sched.c
> > +++ b/drivers/gpu/drm/v3d/v3d_sched.c
> > @@ -47,41 +47,41 @@ to_tfu_job(struct drm_sched_job *sched_job)
> >  {
> >  	return container_of(sched_job, struct v3d_tfu_job, base.base);
> >  }
> >  
> >  static struct v3d_csd_job *
> >  to_csd_job(struct drm_sched_job *sched_job)
> >  {
> >  	return container_of(sched_job, struct v3d_csd_job, base.base);
> >  }
> >  
> >  static void
> >  v3d_job_free(struct drm_sched_job *sched_job)
> >  {
> >  	struct v3d_job *job = to_v3d_job(sched_job);
> >  
> >  	drm_sched_job_cleanup(sched_job);
> >  	v3d_job_put(job);
> >  }
> >  
> >  /**
> > - * Returns the fences that the job depends on, one by one.
> > + * v3d_job_dependency - Returns the fences that the job depends on, one by one.
> >   *
> >   * If placed in the scheduler's .dependency method, the corresponding
> >   * .run_job won't be called until all of them have been signaled.
> >   */
> >  static struct dma_fence *
> >  v3d_job_dependency(struct drm_sched_job *sched_job,
> >  		   struct drm_sched_entity *s_entity)
> >  {
> >  	struct v3d_job *job = to_v3d_job(sched_job);
> >  
> >  	/* XXX: Wait on a fence for switching the GMP if necessary,
> >  	 * and then do so.
> >  	 */
> >  
> >  	if (!xa_empty(&job->deps))
> >  		return xa_erase(&job->deps, job->last_dep++);
> >  
> >  	return NULL;
> >  }
> >  
> > diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c
> > index a21a6c53ffcf..469d1b4f2643 100644
> > --- a/drivers/gpu/drm/vc4/vc4_bo.c
> > +++ b/drivers/gpu/drm/vc4/vc4_bo.c
> > @@ -374,41 +374,41 @@ static struct vc4_bo *vc4_bo_get_from_cache(struct drm_device *dev,
> >  		vc4_bo_set_label(&bo->base.base, type);
> >  	mutex_unlock(&vc4->bo_lock);
> >  	return bo;
> >  }
> >  
> >  static const struct vm_operations_struct vc4_vm_ops = {
> >  	.fault = vc4_fault,
> >  	.open = drm_gem_vm_open,
> >  	.close = drm_gem_vm_close,
> >  };
> >  
> >  static const struct drm_gem_object_funcs vc4_gem_object_funcs = {
> >  	.free = vc4_free_object,
> >  	.export = vc4_prime_export,
> >  	.get_sg_table = drm_gem_cma_prime_get_sg_table,
> >  	.vmap = vc4_prime_vmap,
> >  	.vm_ops = &vc4_vm_ops,
> >  };
> >  
> >  /**
> > - * vc4_gem_create_object - Implementation of driver->gem_create_object.
> > + * vc4_create_object - Implementation of driver->gem_create_object.
> >   * @dev: DRM device
> >   * @size: Size in bytes of the memory the object will reference
> >   *
> >   * This lets the CMA helpers allocate object structs for us, and keep
> >   * our BO stats correct.
> >   */
> >  struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size)
> >  {
> >  	struct vc4_dev *vc4 = to_vc4_dev(dev);
> >  	struct vc4_bo *bo;
> >  
> >  	bo = kzalloc(sizeof(*bo), GFP_KERNEL);
> >  	if (!bo)
> >  		return ERR_PTR(-ENOMEM);
> >  
> >  	bo->madv = VC4_MADV_WILLNEED;
> >  	refcount_set(&bo->usecnt, 0);
> >  	mutex_init(&bo->madv_lock);
> >  	mutex_lock(&vc4->bo_lock);
> >  	bo->label = VC4_BO_TYPE_KERNEL;
> > diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
> > index 85df04c8e62f..5f47720440fa 100644
> > --- a/include/drm/drm_atomic_helper.h
> > +++ b/include/drm/drm_atomic_helper.h
> > @@ -150,54 +150,54 @@ int drm_atomic_helper_page_flip_target(
> >  int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
> >  				       u16 *red, u16 *green, u16 *blue,
> >  				       uint32_t size,
> >  				       struct drm_modeset_acquire_ctx *ctx);
> >  
> >  /**
> >   * drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC
> >   * @plane: the loop cursor
> >   * @crtc:  the CRTC whose planes are iterated
> >   *
> >   * This iterates over the current state, useful (for example) when applying
> >   * atomic state after it has been checked and swapped.  To iterate over the
> >   * planes which *will* be attached (more useful in code called from
> >   * &drm_mode_config_funcs.atomic_check) see
> >   * drm_atomic_crtc_state_for_each_plane().
> >   */
> >  #define drm_atomic_crtc_for_each_plane(plane, crtc) \
> >  	drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask)
> >  
> >  /**
> > - * drm_crtc_atomic_state_for_each_plane - iterate over attached planes in new state
> > + * drm_atomic_crtc_state_for_each_plane - iterate over attached planes in new state
> >   * @plane: the loop cursor
> >   * @crtc_state: the incoming CRTC state
> >   *
> >   * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be
> >   * attached if the specified state is applied.  Useful during for example
> >   * in code called from &drm_mode_config_funcs.atomic_check operations, to
> >   * validate the incoming state.
> >   */
> >  #define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \
> >  	drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask)
> >  
> >  /**
> > - * drm_crtc_atomic_state_for_each_plane_state - iterate over attached planes in new state
> > + * drm_atomic_crtc_state_for_each_plane_state - iterate over attached planes in new state
> >   * @plane: the loop cursor
> >   * @plane_state: loop cursor for the plane's state, must be const
> >   * @crtc_state: the incoming CRTC state
> >   *
> >   * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be
> >   * attached if the specified state is applied.  Useful during for example
> >   * in code called from &drm_mode_config_funcs.atomic_check operations, to
> >   * validate the incoming state.
> >   *
> >   * Compared to just drm_atomic_crtc_state_for_each_plane() this also fills in a
> >   * const plane_state. This is useful when a driver just wants to peek at other
> >   * active planes on this CRTC, but does not need to change it.
> >   */
> >  #define drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state) \
> >  	drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) \
> >  		for_each_if ((plane_state = \
> >  			      __drm_atomic_get_current_plane_state((crtc_state)->state, \
> >  								   plane)))
> >  
> >  /**
> > diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> > index 928136556174..fcdc58d8b88b 100644
> > --- a/include/drm/drm_connector.h
> > +++ b/include/drm/drm_connector.h
> > @@ -67,41 +67,41 @@ enum drm_connector_status {
> >  	 * sink device which can be autodetect. For digital outputs like DP or
> >  	 * HDMI (which can be realiable probed) this means there's really
> >  	 * nothing there. It is driver-dependent whether a connector with this
> >  	 * status can be lit up or not.
> >  	 */
> >  	connector_status_disconnected = 2,
> >  	/**
> >  	 * @connector_status_unknown: The connector's status could not be
> >  	 * reliably detected. This happens when probing would either cause
> >  	 * flicker (like load-detection when the connector is in use), or when a
> >  	 * hardware resource isn't available (like when load-detection needs a
> >  	 * free CRTC). It should be possible to light up the connector with one
> >  	 * of the listed fallback modes. For default configuration userspace
> >  	 * should only try to light up connectors with unknown status when
> >  	 * there's not connector with @connector_status_connected.
> >  	 */
> >  	connector_status_unknown = 3,
> >  };
> >  
> >  /**
> > - * enum drm_connector_registration_status - userspace registration status for
> > + * enum drm_connector_registration_state - userspace registration status for
> >   * a &drm_connector
> >   *
> >   * This enum is used to track the status of initializing a connector and
> >   * registering it with userspace, so that DRM can prevent bogus modesets on
> >   * connectors that no longer exist.
> >   */
> >  enum drm_connector_registration_state {
> >  	/**
> >  	 * @DRM_CONNECTOR_INITIALIZING: The connector has just been created,
> >  	 * but has yet to be exposed to userspace. There should be no
> >  	 * additional restrictions to how the state of this connector may be
> >  	 * modified.
> >  	 */
> >  	DRM_CONNECTOR_INITIALIZING = 0,
> >  
> >  	/**
> >  	 * @DRM_CONNECTOR_REGISTERED: The connector has been fully initialized
> >  	 * and registered with sysfs, as such it has been exposed to
> >  	 * userspace. There should be no additional restrictions to how the
> >  	 * state of this connector may be modified.
> > diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
> > index 2c361964aee7..283a93ce4617 100644
> > --- a/include/drm/drm_device.h
> > +++ b/include/drm/drm_device.h
> > @@ -10,41 +10,41 @@
> >  #include <drm/drm_mode_config.h>
> >  
> >  struct drm_driver;
> >  struct drm_minor;
> >  struct drm_master;
> >  struct drm_device_dma;
> >  struct drm_vblank_crtc;
> >  struct drm_sg_mem;
> >  struct drm_local_map;
> >  struct drm_vma_offset_manager;
> >  struct drm_vram_mm;
> >  struct drm_fb_helper;
> >  
> >  struct inode;
> >  
> >  struct pci_dev;
> >  struct pci_controller;
> >  
> >  
> >  /**
> > - * enum drm_switch_power - power state of drm device
> > + * enum switch_power_state - power state of drm device
> >   */
> >  
> >  enum switch_power_state {
> >  	/** @DRM_SWITCH_POWER_ON: Power state is ON */
> >  	DRM_SWITCH_POWER_ON = 0,
> >  
> >  	/** @DRM_SWITCH_POWER_OFF: Power state is OFF */
> >  	DRM_SWITCH_POWER_OFF = 1,
> >  
> >  	/** @DRM_SWITCH_POWER_CHANGING: Power state is changing */
> >  	DRM_SWITCH_POWER_CHANGING = 2,
> >  
> >  	/** @DRM_SWITCH_POWER_DYNAMIC_OFF: Suspended */
> >  	DRM_SWITCH_POWER_DYNAMIC_OFF = 3,
> >  };
> >  
> >  /**
> >   * struct drm_device - DRM device structure
> >   *
> >   * This structure represent a complete card that
> > diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h
> > index 732f32740c86..53c51231b31c 100644
> > --- a/include/drm/drm_dsc.h
> > +++ b/include/drm/drm_dsc.h
> > @@ -256,41 +256,42 @@ struct drm_dsc_config {
> >  	bool native_420;
> >  	/**
> >  	 * @second_line_bpg_offset:
> >  	 * Additional bits/grp for seconnd line of slice for native 4:2:0
> >  	 */
> >  	u8 second_line_bpg_offset;
> >  	/**
> >  	 * @nsl_bpg_offset:
> >  	 * Num of bits deallocated for each grp that is not in second line of
> >  	 * slice
> >  	 */
> >  	u16 nsl_bpg_offset;
> >  	/**
> >  	 * @second_line_offset_adj:
> >  	 * Offset adjustment for second line in Native 4:2:0 mode
> >  	 */
> >  	u16 second_line_offset_adj;
> >  };
> >  
> >  /**
> > - * struct picture_parameter_set - Represents 128 bytes of Picture Parameter Set
> > + * struct drm_dsc_picture_parameter_set - Represents 128 bytes of
> > + * 	Picture Parameter Set
> >   *
> >   * The VESA DSC standard defines picture parameter set (PPS) which display
> >   * stream compression encoders must communicate to decoders.
> >   * The PPS is encapsulated in 128 bytes (PPS 0 through PPS 127). The fields in
> >   * this structure are as per Table 4.1 in Vesa DSC specification v1.1/v1.2.
> >   * The PPS fields that span over more than a byte should be stored in Big Endian
> >   * format.
> >   */
> >  struct drm_dsc_picture_parameter_set {
> >  	/**
> >  	 * @dsc_version:
> >  	 * PPS0[3:0] - dsc_version_minor: Contains Minor version of DSC
> >  	 * PPS0[7:4] - dsc_version_major: Contains major version of DSC
> >  	 */
> >  	u8 dsc_version;
> >  	/**
> >  	 * @pps_identifier:
> >  	 * PPS1[7:0] - Application specific identifier that can be
> >  	 * used to differentiate between different PPS tables.
> >  	 */
> > diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
> > index c0d28ba0f5c9..a4bac02249c2 100644
> > --- a/include/drm/drm_gem_vram_helper.h
> > +++ b/include/drm/drm_gem_vram_helper.h
> > @@ -49,54 +49,54 @@ struct vm_area_struct;
> >   * drm_gem_vram_vmap() and drm_gem_vram_vunmap().
> >   */
> >  struct drm_gem_vram_object {
> >  	struct ttm_buffer_object bo;
> >  	struct dma_buf_map map;
> >  
> >  	/**
> >  	 * @vmap_use_count:
> >  	 *
> >  	 * Reference count on the virtual address.
> >  	 * The address are un-mapped when the count reaches zero.
> >  	 */
> >  	unsigned int vmap_use_count;
> >  
> >  	/* Supported placements are %TTM_PL_VRAM and %TTM_PL_SYSTEM */
> >  	struct ttm_placement placement;
> >  	struct ttm_place placements[2];
> >  };
> >  
> >  /**
> > - * Returns the container of type &struct drm_gem_vram_object
> > - * for field bo.
> > + * drm_gem_vram_of_bo - Returns the container of type
> > + * &struct drm_gem_vram_object for field bo.
> >   * @bo:		the VRAM buffer object
> >   * Returns:	The containing GEM VRAM object
> >   */
> >  static inline struct drm_gem_vram_object *drm_gem_vram_of_bo(
> >  	struct ttm_buffer_object *bo)
> >  {
> >  	return container_of(bo, struct drm_gem_vram_object, bo);
> >  }
> >  
> >  /**
> > - * Returns the container of type &struct drm_gem_vram_object
> > - * for field gem.
> > + * drm_gem_vram_of_gem - Returns the container of type
> > + * &struct drm_gem_vram_object for field gem.
> >   * @gem:	the GEM object
> >   * Returns:	The containing GEM VRAM object
> >   */
> >  static inline struct drm_gem_vram_object *drm_gem_vram_of_gem(
> >  	struct drm_gem_object *gem)
> >  {
> >  	return container_of(gem, struct drm_gem_vram_object, bo.base);
> >  }
> >  
> >  struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
> >  						size_t size,
> >  						unsigned long pg_align);
> >  void drm_gem_vram_put(struct drm_gem_vram_object *gbo);
> >  u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo);
> >  s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo);
> >  int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag);
> >  int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo);
> >  int drm_gem_vram_vmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map);
> >  void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map);
> 
> -- 
> Jani Nikula, Intel Open Source Graphics Center

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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