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

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On Thu, Mar 12, 2015 at 8:49 PM, John Hunter <zhjwpku@xxxxxxxxx> wrote:
> Hi Rob,
>
> On Thu, Mar 12, 2015 at 10:34 PM, Rob Clark <robdclark@xxxxxxxxx> wrote:
>>
>> On Thu, Mar 12, 2015 at 10:15 AM, John Hunter <zhjwpku@xxxxxxxxx> 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?
>>
> I searched the archieve of the maillinglist, I think this may be the
> original patch
> http://lists.freedesktop.org/archives/dri-devel/2015-March/079198.html
>
>>
>> (If you did, but were not subscribed, perhaps it is still stuck in
>> list moderation queue?)
>>
> I subscribed with the email : zhjwpku@xxxxxxxxx, but when git-send-email to
> dri-devel,
> I used another not subscribed email: zhaojunwang@xxxxxxxxxx to git-send the
> patch ,
> because I got trouble when I use the gmail stmp server in git-send-mail
> I can only use the gmail under the help of chrome and goagent, cause I am in
> China :-(

I see your patch now, so I guess whoever has list admin privileges
stepped in and moderated it.. it is one my TODO list to review.. and
thanks for the patch, btw ;-)

hopefully someone else in China can suggest a good way of sending
patches (I have no clue there)

BR,
-R


>
> BR,
> John
>
>>
>> BR,
>> -R
>>
>>
>> > John
>> >
>> > On Thu, Mar 12, 2015 at 4:02 PM, John Hunter <zhaojunwang@xxxxxxxxxx>
>> > wrote:
>> >>
>> >> From: John Hunter <zhjwpku@xxxxxxxxx>
>> >>
>> >> 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@xxxxxxxxxxxxxxxxxxxxx
>> > http://lists.freedesktop.org/mailman/listinfo/dri-devel
>> >
>
>
>
>
> --
> Best regards
> Junwang Zhao
> Microprocessor Research and Develop Center
> Department of Computer Science &Technology
> Peking University
> Beijing, 100871, PRC
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