Hi Ville,
Thank you for the patch.
On Tuesday 04 June 2013 10:58:35 ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_crtc.c | 31 +++++++++++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index f00ba75..f1f11e1 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -795,6 +795,21 @@ void drm_encoder_cleanup(struct drm_encoder *encoder)
> }
> EXPORT_SYMBOL(drm_encoder_cleanup);
>
> +/**
> + * drm_plane_init - Initialise a new plane object
> + * @dev: DRM device
> + * @plane: plane object to init
> + * @possible_crtcs: bitmask of possible CRTCs
> + * @funcs: callbacks for the new plane
> + * @formats: array of supported formats (%DRM_FORMAT_*)
> + * @format_count: number of elements in @formats
> + * @priv: plane is private (hidden from userspace)?
> + *
> + * Inits a new object created as base part of an driver plane object.
s/an driver/a driver/
> + *
> + * RETURNS:
> + * Zero on success, error code on failure.
> + */
> int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
> unsigned long possible_crtcs,
> const struct drm_plane_funcs *funcs,
> @@ -843,6 +858,13 @@ int drm_plane_init(struct drm_device *dev, struct
> drm_plane *plane, }
> EXPORT_SYMBOL(drm_plane_init);
>
> +/**
> + * drm_plane_cleanup - Cleans up the core plane usage.
Nitpicking, you could remove the full stop at the end of the line to be
consistent with the other two kerneldoc blocks.
And s/Cleans/Clean/
> + * @plane: plane to cleanup
> + *
> + * Cleanup @plane. Removes from drm modesetting space
> + * does NOT free object, caller does that.
As this is documentation, I'd use a more verbose style.
This function clean up @plane and removes it from the DRM mode setting core.
Note that the function does *not* free the plane structure itself, this is the
responsibility of the caller.
> + */
> void drm_plane_cleanup(struct drm_plane *plane)
> {
> struct drm_device *dev = plane->dev;
> @@ -859,6 +881,15 @@ void drm_plane_cleanup(struct drm_plane *plane)
> }
> EXPORT_SYMBOL(drm_plane_cleanup);
>
> +/**
> + * drm_plane_force_disable - Forcibly disable a plane
> + * @plane: plane to disable
> + *
> + * Forces the plane to be disabled.
This feels a bit unclear to me. In particular, how is "force_disable"
different from just disabling the plane ? Maybe the function should be renamed
to drm_plane_disable(), and the documentation updated to mention that the
function just disables the plane and disassociate with from its frame buffer.
> + *
> + * Used when the plane's current framebuffer is destroyed,
> + * and when restoring fbdev mode.
> + */
> void drm_plane_force_disable(struct drm_plane *plane)
> {
> int ret;
--
Regards,
Laurent Pinchart
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