[v2 3/7] drm: Add gamma mode property

[Shankar, Uma]

>-----Original Message-----
>From: Sam Ravnborg [mailto:sam at ravnborg.org]
>Sent: Tuesday, April 2, 2019 12:07 AM
>To: Shankar, Uma <uma.shankar at intel.com>
>Cc: intel-gfx at lists.freedesktop.org; dri-devel at lists.freedesktop.org;
>dcastagna at chromium.org; emil.l.velikov at gmail.com; seanpaul at chromium.org;
>Syrjala, Ville <ville.syrjala at intel.com>; Lankhorst, Maarten
><maarten.lankhorst at intel.com>
>Subject: Re: [v2 3/7] drm: Add gamma mode property
>
>Hi Uma.
>
>> --- a/include/drm/drm_crtc.h
>> +++ b/include/drm/drm_crtc.h
>> @@ -256,6 +256,13 @@ struct drm_crtc_state {
>>  	struct drm_property_blob *gamma_mode_caps;
>>
>>  	/**
>> +	 * @gamma_mode:
>> +	 *
>> +	 * FIXME
>> +	 */
>> +	struct drm_property_blob *gamma_mode;
>
>HEre the name matches, but please add documentation too.

Sure, will add documentation explaining how this should get used once we
have the agreement on design and approach. 

>>
>> +struct drm_color_mode_lut {
>> +	/* DRM_MODE_LUT_* */
>> +	__u32 flags;
>> +	/* number of points on the curve */
>> +	__u32 count;
>> +	/* Name of Gamma Mode */
>> +	char name[DRM_PROP_NAME_LEN];
>> +	/* Pointer to Lut elements */
>> +	__u64 lut;
>> +};
>From an alignment point of view the __u64 should come before the char name[].
>But the above may be fine depending on DRM_PROP_NAME_LEN

Yeah, but can re-order this. Thanks for the review.

Regards,
Uma Shankar

>
>	Sam