[PATCH] drm_crtc.c: fix some typo mistake and some annotations mistake

Rob Clark robdclark at gmail.com
Thu Mar 12 07:34:21 PDT 2015


On Thu, Mar 12, 2015 at 10:15 AM, John Hunter <zhjwpku at gmail.com> wrote:
> Hi,
> I really don't  whether I am doing things on right workflow of dri-devel.
> I am new to this community and I want to help.
> Could anybody spare some time to tell me the right way .
> Thanks.

Hi John,

I don't actually see the original patch, just your reply to it..  if
you didn't already, could you git-send-email it to dri-devel?

(If you did, but were not subscribed, perhaps it is still stuck in
list moderation queue?)

BR,
-R


> John
>
> On Thu, Mar 12, 2015 at 4:02 PM, John Hunter <zhaojunwang at pku.edu.cn> wrote:
>>
>> From: John Hunter <zhjwpku at gmail.com>
>>
>> IMHO, some annotations were copypaste from somewhere else, it is
>> obviously not rightly modified. Hope I am right with that.
>> ---
>>  drivers/gpu/drm/drm_crtc.c | 115
>> ++++++++++++++++++++++-----------------------
>>  1 file changed, 56 insertions(+), 59 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
>> index f2d667b..7f771e9 100644
>> --- a/drivers/gpu/drm/drm_crtc.c
>> +++ b/drivers/gpu/drm/drm_crtc.c
>> @@ -205,12 +205,12 @@ char *drm_get_connector_status_name(enum
>> drm_connector_status status)
>>  /**
>>   * drm_mode_object_get - allocate a new identifier
>>   * @dev: DRM device
>> - * @ptr: object pointer, used to generate unique ID
>> - * @type: object type
>> + * @obj: object pointer, used to generate unique ID
>> + * @obj_type: object type
>>   *
>>   * LOCKING:
>>   *
>> - * Create a unique identifier based on @ptr in @dev's identifier space.
>> Used
>> + * Create a unique identifier based on @obj in @dev's identifier space.
>> Used
>>   * for tracking modes, CRTCs and connectors.
>>   *
>>   * RETURNS:
>> @@ -245,12 +245,12 @@ again:
>>  /**
>>   * drm_mode_object_put - free an identifer
>>   * @dev: DRM device
>> - * @id: ID to free
>> + * @object: object to free
>>   *
>>   * LOCKING:
>>   * Caller must hold DRM mode_config lock.
>>   *
>> - * Free @id from @dev's unique identifier pool.
>> + * Free @object from @dev's unique identifier pool.
>>   */
>>  static void drm_mode_object_put(struct drm_device *dev,
>>                                 struct drm_mode_object *object)
>> @@ -353,10 +353,11 @@ EXPORT_SYMBOL(drm_framebuffer_reference);
>>  void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
>>  {
>>         struct drm_device *dev = fb->dev;
>> +
>>         /*
>>          * This could be moved to drm_framebuffer_remove(), but for
>>          * debugging is nice to keep around the list of fb's that are
>> -        * no longer associated w/ a drm_file but are not unreferenced
>> +        * no longer associated with a drm_file but are not unreferenced
>>          * yet.  (i915 and omapdrm have debugfs files which will show
>>          * this.)
>>          */
>> @@ -519,7 +520,7 @@ EXPORT_SYMBOL(drm_mode_remove);
>>   * @dev: DRM device
>>   * @connector: the connector to init
>>   * @funcs: callbacks for this connector
>> - * @name: user visible name of the connector
>> + * @connector_type: type of the connector
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -683,7 +684,8 @@ int drm_plane_init(struct drm_device *dev, struct
>> drm_plane *plane,
>>         plane->format_count = format_count;
>>         plane->possible_crtcs = possible_crtcs;
>>
>> -       /* private planes are not exposed to userspace, but depending on
>> +       /*
>> +        * private planes are not exposed to userspace, but depending on
>>          * display hardware, might be convenient to allow sharing
>> programming
>>          * for the scanout engine with the crtc implementation.
>>          */
>> @@ -1188,10 +1190,9 @@ static int drm_crtc_convert_umode(struct
>> drm_display_mode *out,
>>
>>  /**
>>   * drm_mode_getresources - get graphics configuration
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -1249,7 +1250,6 @@ int drm_mode_getresources(struct drm_device *dev,
>> void *data,
>>                 list_for_each(lh, &dev->mode_config.encoder_list)
>>                         encoder_count++;
>>         } else {
>> -
>>                 crtc_count = mode_group->num_crtcs;
>>                 connector_count = mode_group->num_connectors;
>>                 encoder_count = mode_group->num_encoders;
>> @@ -1328,7 +1328,6 @@ int drm_mode_getresources(struct drm_device *dev,
>> void *data,
>>                                 }
>>                                 copied++;
>>                         }
>> -
>>                 }
>>         }
>>         card_res->count_encoders = encoder_count;
>> @@ -1376,10 +1375,9 @@ out:
>>
>>  /**
>>   * drm_mode_getcrtc - get CRTC configuration
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -1421,10 +1419,8 @@ int drm_mode_getcrtc(struct drm_device *dev,
>>                 crtc_resp->fb_id = 0;
>>
>>         if (crtc->enabled) {
>> -
>>                 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
>>                 crtc_resp->mode_valid = 1;
>> -
>>         } else {
>>                 crtc_resp->mode_valid = 0;
>>         }
>> @@ -1436,10 +1432,9 @@ out:
>>
>>  /**
>>   * drm_mode_getconnector - get connector configuration
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -1732,8 +1727,8 @@ out:
>>  /**
>>   * drm_mode_setplane - set up or tear down an plane
>>   * @dev: DRM device
>> - * @data: ioctl data*
>> - * @file_prive: DRM file info
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -1862,10 +1857,9 @@ out:
>>
>>  /**
>>   * drm_mode_setcrtc - set CRTC configuration
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -2077,6 +2071,7 @@ int drm_mode_cursor_ioctl(struct drm_device *dev,
>>                         goto out;
>>                 }
>>         }
>> +
>>  out:
>>         mutex_unlock(&dev->mode_config.mutex);
>>         return ret;
>> @@ -2120,10 +2115,9 @@ EXPORT_SYMBOL(drm_mode_legacy_fb_format);
>>
>>  /**
>>   * drm_mode_addfb - add an FB to the graphics configuration
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -2304,10 +2298,9 @@ static int framebuffer_check(const struct
>> drm_mode_fb_cmd2 *r)
>>
>>  /**
>>   * drm_mode_addfb2 - add an FB to the graphics configuration
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -2370,10 +2363,9 @@ out:
>>
>>  /**
>>   * drm_mode_rmfb - remove an FB from the configuration
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -2425,10 +2417,9 @@ out:
>>
>>  /**
>>   * drm_mode_getfb - get FB info
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>> @@ -2515,6 +2506,7 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
>>                         ret = -EINVAL;
>>                         goto out_err1;
>>                 }
>> +
>>                 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
>>                 if (!clips) {
>>                         ret = -ENOMEM;
>> @@ -2544,15 +2536,14 @@ out_err1:
>>         return ret;
>>  }
>>
>> -
>>  /**
>>   * drm_fb_release - remove and free the FBs on this file
>> - * @filp: file * from the ioctl
>> + * @priv: file * from the ioctl
>>   *
>>   * LOCKING:
>>   * Takes mode config lock.
>>   *
>> - * Destroy all the FBs associated with @filp.
>> + * Destroy all the FBs associated with @priv.
>>   *
>>   * Called by the user via ioctl.
>>   *
>> @@ -2616,7 +2607,7 @@ int drm_mode_attachmode_crtc(struct drm_device *dev,
>> struct drm_crtc *crtc,
>>
>>         WARN_ON(!list_empty(&list));
>>
>> - out:
>> +out:
>>         list_for_each_entry_safe(dup_mode, next, &list, head)
>>                 drm_mode_destroy(dev, dup_mode);
>>
>> @@ -2660,10 +2651,9 @@ EXPORT_SYMBOL(drm_mode_detachmode_crtc);
>>
>>  /**
>>   * drm_fb_attachmode - Attach a user mode to an connector
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * This attaches a user specified mode to an connector.
>>   * Called by the user via ioctl.
>> @@ -2707,6 +2697,7 @@ int drm_mode_attachmode_ioctl(struct drm_device
>> *dev,
>>         }
>>
>>         drm_mode_attachmode(dev, connector, mode);
>> +
>>  out:
>>         mutex_unlock(&dev->mode_config.mutex);
>>         return ret;
>> @@ -2715,10 +2706,9 @@ out:
>>
>>  /**
>>   * drm_fb_detachmode - Detach a user specified mode from an connector
>> - * @inode: inode from the ioctl
>> - * @filp: file * from the ioctl
>> - * @cmd: cmd from ioctl
>> - * @arg: arg from ioctl
>> + * @dev: DRM device
>> + * @data: ioctl data
>> + * @file_priv: DRM file info
>>   *
>>   * Called by the user via ioctl.
>>   *
>> @@ -2754,6 +2744,7 @@ int drm_mode_detachmode_ioctl(struct drm_device
>> *dev,
>>         }
>>
>>         ret = drm_mode_detachmode(dev, connector, &mode);
>> +
>>  out:
>>         mutex_unlock(&dev->mode_config.mutex);
>>         return ret;
>> @@ -2790,6 +2781,7 @@ struct drm_property *drm_property_create(struct
>> drm_device *dev, int flags,
>>
>>         list_add_tail(&property->head, &dev->mode_config.property_list);
>>         return property;
>> +
>>  fail:
>>         kfree(property->values);
>>         kfree(property);
>> @@ -3078,6 +3070,7 @@ int drm_mode_getproperty_ioctl(struct drm_device
>> *dev,
>>                 }
>>                 out_resp->count_enum_blobs = blob_count;
>>         }
>> +
>>  done:
>>         mutex_unlock(&dev->mode_config.mutex);
>>         return ret;
>> @@ -3187,6 +3180,7 @@ static bool drm_property_change_is_valid(struct
>> drm_property *property,
>>  {
>>         if (property->flags & DRM_MODE_PROP_IMMUTABLE)
>>                 return false;
>> +
>>         if (property->flags & DRM_MODE_PROP_RANGE) {
>>                 if (value < property->values[0] || value >
>> property->values[1])
>>                         return false;
>> @@ -3194,6 +3188,7 @@ static bool drm_property_change_is_valid(struct
>> drm_property *property,
>>         } else if (property->flags & DRM_MODE_PROP_BITMASK) {
>>                 int i;
>>                 uint64_t valid_mask = 0;
>> +
>>                 for (i = 0; i < property->num_values; i++)
>>                         valid_mask |= (1ULL << property->values[i]);
>>                 return !(value & ~valid_mask);
>> @@ -3326,6 +3321,7 @@ int drm_mode_obj_get_properties_ioctl(struct
>> drm_device *dev, void *data,
>>                 }
>>         }
>>         arg->count_props = props_count;
>> +
>>  out:
>>         mutex_unlock(&dev->mode_config.mutex);
>>         return ret;
>> @@ -3487,7 +3483,6 @@ int drm_mode_gamma_set_ioctl(struct drm_device *dev,
>>  out:
>>         mutex_unlock(&dev->mode_config.mutex);
>>         return ret;
>> -
>>  }
>>
>>  int drm_mode_gamma_get_ioctl(struct drm_device *dev,
>> @@ -3535,6 +3530,7 @@ int drm_mode_gamma_get_ioctl(struct drm_device *dev,
>>                 ret = -EFAULT;
>>                 goto out;
>>         }
>> +
>>  out:
>>         mutex_unlock(&dev->mode_config.mutex);
>>         return ret;
>> @@ -3668,6 +3664,7 @@ int drm_mode_create_dumb_ioctl(struct drm_device
>> *dev,
>>
>>         if (!dev->driver->dumb_create)
>>                 return -ENOSYS;
>> +
>>         return dev->driver->dumb_create(file_priv, dev, args);
>>  }
>>
>> --
>> 1.9.1
>>
>>
>
>
>
> --
> Best regards
> Junwang Zhao
> Microprocessor Research and Develop Center
> Department of Computer Science &Technology
> Peking University
> Beijing, 100871, PRC
>
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>


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