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

John Hunter zhjwpku at gmail.com
Thu Mar 12 17:49:31 PDT 2015


Hi Rob,

On Thu, Mar 12, 2015 at 10:34 PM, Rob Clark <robdclark at gmail.com> wrote:

> 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?
>
> 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 at gmail.com, but when git-send-email
to dri-devel,
I used another not subscribed email: zhaojunwang at pku.edu.cn 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 :-(

BR,
John


> 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
> >
>



-- 
Best regards
Junwang Zhao
Microprocessor Research and Develop Center
Department of Computer Science &Technology
Peking University
Beijing, 100871, PRC
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