Re: [v6 12/13] drm/i915: Set Infoframe for non modeset case for HDR

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>-----Original Message-----
>From: dri-devel [mailto:dri-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Ville
>Syrjälä
>Sent: Friday, March 29, 2019 7:35 PM
>To: Shankar, Uma <uma.shankar@xxxxxxxxx>
>Cc: Syrjala, Ville <ville.syrjala@xxxxxxxxx>; Liviu.Dudau@xxxxxxx; intel-
>gfx@xxxxxxxxxxxxxxxxxxxxx; emil.l.velikov@xxxxxxxxx; dri-
>devel@xxxxxxxxxxxxxxxxxxxxx; Lankhorst, Maarten <maarten.lankhorst@xxxxxxxxx>
>Subject: Re: [v6 12/13] drm/i915: Set Infoframe for non modeset case for HDR
>
>On Wed, Mar 20, 2019 at 04:18:25PM +0530, Uma Shankar wrote:
>> HDR metadata requires a infoframe to be set. Due to fastset, full
>> modeset is not performed hence adding it to update_pipe to handle
>> that.
>>
>> Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
>> ---
>>  drivers/gpu/drm/i915/intel_ddi.c | 13 +++++++++++++
>>  1 file changed, 13 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_ddi.c
>> b/drivers/gpu/drm/i915/intel_ddi.c
>> index 69aa0d1..a27aab9 100644
>> --- a/drivers/gpu/drm/i915/intel_ddi.c
>> +++ b/drivers/gpu/drm/i915/intel_ddi.c
>> @@ -3566,6 +3566,10 @@ static void intel_ddi_update_pipe(struct intel_encoder
>*encoder,
>>  				  const struct intel_crtc_state *crtc_state,
>>  				  const struct drm_connector_state *conn_state)  {
>> +	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
>> +	struct intel_digital_port *intel_dig_port =
>> +			enc_to_dig_port(&encoder->base);
>> +
>>  	if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
>>  		intel_ddi_update_pipe_dp(encoder, crtc_state, conn_state);
>>
>> @@ -3575,6 +3579,15 @@ static void intel_ddi_update_pipe(struct intel_encoder
>*encoder,
>>  	else if (conn_state->content_protection ==
>>  		 DRM_MODE_CONTENT_PROTECTION_UNDESIRED)
>>  		intel_hdcp_disable(to_intel_connector(conn_state->connector));
>> +
>> +	/* Set the infoframe for NON modeset cases as well */
>> +	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
>> +		if ((INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) &&
>> +		    conn_state->hdr_metadata_changed)
>> +			intel_dig_port->set_infoframes(encoder,
>> +						       crtc_state->has_infoframe,
>> +						       crtc_state, conn_state);
>
>I don't think this should be tied to the drm infoframe. It should be totally generic. IIRC
>there is also some magic dance we may have to perform when updating infoframes
>with the port enabled. But the details escape right now.

Hi Ville,
I agree, currently limiting it to DRM Infoframes so that we don't break the legacy
usecase/non HDR cases. We will have to enable this for all kind of infoframes and
validate if things are fine.

Regards,
Uma Shankar

>> +	}
>>  }
>>
>>  static void intel_ddi_set_fia_lane_count(struct intel_encoder
>> *encoder,
>> --
>> 1.9.1
>>
>> _______________________________________________
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>> dri-devel@xxxxxxxxxxxxxxxxxxxxx
>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
>--
>Ville Syrjälä
>Intel
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