drm/i915: Store mask of enabled infoframes in the crtc state

Store the mask of enabled infoframes in the crtc state. We'll start
with just the readout for HDMI encoder, and we'll expand this
to compute the bitmask in .compute_config() later. SDVO will also
follow later.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190225174106.2163-4-ville.syrjala@linux.intel.com

drivers/gpu/drm/i915/intel_ddi.c

@@ -3764,7 +3764,10 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 		pipe_config->has_hdmi_sink = true;
 		intel_dig_port = enc_to_dig_port(&encoder->base);
 
-		if (intel_hdmi_infoframes_enabled(encoder, pipe_config))
+		pipe_config->infoframes.enable |=
+			intel_hdmi_infoframes_enabled(encoder, pipe_config);
+
+		if (pipe_config->infoframes.enable)
 			pipe_config->has_infoframe = true;
 
 		if (temp & TRANS_DDI_HDMI_SCRAMBLING)

drivers/gpu/drm/i915/intel_drv.h

@@ -1031,6 +1031,10 @@ struct intel_crtc_state {
 	/* bitmask of planes that will be updated during the commit */
 	u8 update_planes;
 
+	struct {
+		u32 enable;
+	} infoframes;
+
 	/* HDMI scrambling status */
 	bool hdmi_scrambling;
 

drivers/gpu/drm/i915/intel_hdmi.c

@@ -1507,7 +1507,10 @@ static void intel_hdmi_get_config(struct intel_encoder *encoder,
 	if (tmp & HDMI_MODE_SELECT_HDMI)
 		pipe_config->has_hdmi_sink = true;
 
-	if (intel_hdmi_infoframes_enabled(encoder, pipe_config))
+	pipe_config->infoframes.enable |=
+		intel_hdmi_infoframes_enabled(encoder, pipe_config);
+
+	if (pipe_config->infoframes.enable)
 		pipe_config->has_infoframe = true;
 
 	if (tmp & SDVO_AUDIO_ENABLE)