[Intel-gfx] [RFC 3/3] drm/i915: Set colorspace by enabling Infoframe

Shankar, Uma uma.shankar at intel.com
Thu Sep 27 04:31:43 UTC 2018



>-----Original Message-----
>From: Maarten Lankhorst [mailto:maarten.lankhorst at linux.intel.com]
>Sent: Wednesday, September 26, 2018 2:41 PM
>To: Shankar, Uma <uma.shankar at intel.com>; intel-gfx at lists.freedesktop.org;
>dri-devel at lists.freedesktop.org
>Cc: Syrjala, Ville <ville.syrjala at intel.com>; Lankhorst, Maarten
><maarten.lankhorst at intel.com>
>Subject: Re: [Intel-gfx] [RFC 3/3] drm/i915: Set colorspace by enabling Infoframe
>
>Op 24-07-18 om 17:45 schreef Uma Shankar:
>> Based on colorspace property value create an infoframe with
>> appropriate colorspace. This can be used to send an infoframe packet
>> with proper colorspace value set which will help to enable wider color
>> gamut like BT2020 on sink.
>>
>> Signed-off-by: Uma Shankar <uma.shankar at intel.com>
>> ---
>>  drivers/gpu/drm/i915/intel_hdmi.c | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c
>> b/drivers/gpu/drm/i915/intel_hdmi.c
>> index 7fb96e2..319da1b 100644
>> --- a/drivers/gpu/drm/i915/intel_hdmi.c
>> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
>> @@ -491,6 +491,8 @@ static void intel_hdmi_set_avi_infoframe(struct
>drm_encoder *encoder,
>>  	else
>>  		frame.avi.colorspace = HDMI_COLORSPACE_RGB;
>>
>> +	frame.avi.extended_colorimetry = conn_state->colorspace;
>> +
>>  	drm_hdmi_avi_infoframe_quant_range(&frame.avi, adjusted_mode,
>>  					   crtc_state->limited_color_range ?
>>
>HDMI_QUANTIZATION_RANGE_LIMITED :
>
>I would merge this with the previous patch, to be honest.
>
>If it was non-trivial I would suggest splitting it up. :)

Ok Sure, will merge them.

>~Maarten



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