[Intel-gfx] [PATCH v4 1/4] drm/crtc: Add property for aspect ratio

[Daniel Vetter]

On Mon, Jul 14, 2014 at 08:51:46AM +0200, Thierry Reding wrote:
> On Wed, Jun 11, 2014 at 10:46:48AM +0530, Vandana Kannan wrote:
> > Added a property to enable user space to set aspect ratio.
> > This patch contains declaration of the property and code to create the
> > property.
> > 
> > v2: Thierry's review comments.
> > 	- Made aspect ratio enum generic instead of HDMI/CEA specfic
> > 	- Removed usage of temporary aspect_ratio variable
> > 
> > v3: Thierry's review comments.
> > 	- Fixed indentation
> > 
> > v4: Thierry's review comments.
> > 	- Return ENOMEM when property creation fails
> > 
> > Signed-off-by: Vandana Kannan <vandana.kannan at intel.com>
> > Cc: Thierry Reding <thierry.reding at gmail.com>
> > ---
> >  drivers/gpu/drm/drm_crtc.c  | 33 +++++++++++++++++++++++++++++++++
> >  include/drm/drm_crtc.h      |  2 ++
> >  include/uapi/drm/drm_mode.h |  5 +++++
> >  3 files changed, 40 insertions(+)
> 
> One nit below...
> 
> > diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> > index 37a3e07..a745df3 100644
> > --- a/drivers/gpu/drm/drm_crtc.c
> > +++ b/drivers/gpu/drm/drm_crtc.c
> > @@ -139,6 +139,12 @@ static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
> >  	{ DRM_MODE_SCALE_ASPECT, "Full aspect" },
> >  };
> >  
> > +static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = {
> > +	{ DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" },
> > +	{ DRM_MODE_PICTURE_ASPECT_4_3, "4:3" },
> > +	{ DRM_MODE_PICTURE_ASPECT_16_9, "16:9" },
> > +};
> > +
> >  /*
> >   * Non-global properties, but "required" for certain connectors.
> >   */
> > @@ -1344,6 +1350,33 @@ int drm_mode_create_scaling_mode_property(struct drm_device *dev)
> >  EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
> >  
> >  /**
> > + * drm_mode_create_aspect_ratio_property - create aspect ratio property
> > + * @dev: DRM device
> > + *
> > + * Called by a driver the first time it's needed, must be attached to desired
> > + * connectors.
> > + *
> > + * Returns:
> 
> According to Documentation/kernel-doc-nano-HOWTO.txt this section should
> be named "Return:". But it seems that at least in DRM "Returns:" is used
> much more often (89:31), so with or without this addressed:
> 
> Reviewed-by: Thierry Reding <treding at nvidia.com>

I've pulled all 4 patches. Please double-check that I've picked up the
right ones since the series is a bit spread out.

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch