[Intel-gfx] [PATCH 1/3] drm/crtc: Add property for aspect ratio

[Vandana Kannan]

On May-23-2014 4:18 PM, Vandana Kannan wrote:
> On May-22-2014 5:46 PM, Daniel Vetter wrote:
>> On Thu, May 22, 2014 at 04:50:48PM +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.
>>>
>>> Signed-off-by: Vandana Kannan <vandana.kannan at intel.com>
>>> Cc: dri-devel at lists.freedesktop.org
>>
>> Documentation update is missing. Also for such patch series I recommend to
>> post the entire patch series to dri-devel and intel-gfx. Otherwise people
>> on dri-devel don't see how the new code is used and so can't really review
>> it properly.
>> -Daniel
>>
> Thanks for your inputs.
> I will send the Documentation change along with the rest of the patches
> (when I resend them).
> Resent patch 3 adding dri-devel..
> 
> Thanks,
> Vandana

Hi Daniel,
For the Documentation update, should HTML table format be used in
drm.tmpl or is there some other method?
-Vandana
>>> ---
>>>  drivers/gpu/drm/drm_crtc.c | 31 +++++++++++++++++++++++++++++++
>>>  include/drm/drm_crtc.h     |  2 ++
>>>  2 files changed, 33 insertions(+)
>>>
>>> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
>>> index 37a3e07..84d359e 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[] = {
>>> +	{ HDMI_PICTURE_ASPECT_NONE, "Automatic" },
>>> +	{ HDMI_PICTURE_ASPECT_4_3, "4:3" },
>>> +	{ HDMI_PICTURE_ASPECT_16_9, "16:9" },
>>> +};
>>> +
>>>  /*
>>>   * Non-global properties, but "required" for certain connectors.
>>>   */
>>> @@ -1344,6 +1350,31 @@ 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.
>>> + */
>>> +int drm_mode_create_aspect_ratio_property(struct drm_device *dev)
>>> +{
>>> +	struct drm_property *aspect_ratio;
>>> +
>>> +	if (dev->mode_config.aspect_ratio_property)
>>> +		return 0;
>>> +
>>> +	aspect_ratio =
>>> +		drm_property_create_enum(dev, 0, "aspect ratio",
>>> +				drm_aspect_ratio_enum_list,
>>> +				    ARRAY_SIZE(drm_aspect_ratio_enum_list));
>>> +
>>> +	dev->mode_config.aspect_ratio_property = aspect_ratio;
>>> +
>>> +	return 0;
>>> +}
>>> +EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property);
>>> +
>>> +/**
>>>   * drm_mode_create_dirty_property - create dirty property
>>>   * @dev: DRM device
>>>   *
>>> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
>>> index 5c1c31c..1149617 100644
>>> --- a/include/drm/drm_crtc.h
>>> +++ b/include/drm/drm_crtc.h
>>> @@ -801,6 +801,7 @@ struct drm_mode_config {
>>>  
>>>  	/* Optional properties */
>>>  	struct drm_property *scaling_mode_property;
>>> +	struct drm_property *aspect_ratio_property;
>>>  	struct drm_property *dirty_info_property;
>>>  
>>>  	/* dumb ioctl parameters */
>>> @@ -971,6 +972,7 @@ extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
>>>  extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
>>>  				     char *formats[]);
>>>  extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
>>> +extern int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
>>>  extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
>>>  extern const char *drm_get_encoder_name(const struct drm_encoder *encoder);
>>>  
>>> -- 
>>> 1.9.3
>>>
>>> _______________________________________________
>>> Intel-gfx mailing list
>>> Intel-gfx at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>>
> 
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