Commit ba2d08c2 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Extract intel_hdmi_limited_color_range() 



Pull the code for computing the limited color range
setting into a small helper. We'll add a bit more to it
later.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190718145053.25808-5-ville.syrjala@linux.intel.com


Reviewed-by: default avatarGwan-gyeong Mun <gwan-gyeong.mun@intel.com>
parent 791ad5f1

drivers/gpu/drm/i915/display/intel_hdmi.c

+20 −10
Original line number Diff line number Diff line
@@ -2365,6 +2365,24 @@ static int intel_hdmi_compute_clock(struct intel_encoder *encoder, 
	return 0;

}



static bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state,

					   const struct drm_connector_state *conn_state)

{

	const struct intel_digital_connector_state *intel_conn_state =

		to_intel_digital_connector_state(conn_state);

	const struct drm_display_mode *adjusted_mode =

		&crtc_state->base.adjusted_mode;



	if (intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_AUTO) {

		/* See CEA-861-E - 5.1 Default Encoding Parameters */

		return crtc_state->has_hdmi_sink &&

			drm_default_rgb_quant_range(adjusted_mode) ==

			HDMI_QUANTIZATION_RANGE_LIMITED;

	} else {

		return intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_LIMITED;

	}

}



int intel_hdmi_compute_config(struct intel_encoder *encoder,

			      struct intel_crtc_state *pipe_config,

			      struct drm_connector_state *conn_state)
@@ -2388,16 +2406,8 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder, 
	if (pipe_config->has_hdmi_sink)

		pipe_config->has_infoframe = true;



	if (intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_AUTO) {

		/* See CEA-861-E - 5.1 Default Encoding Parameters */

	pipe_config->limited_color_range =

			pipe_config->has_hdmi_sink &&

			drm_default_rgb_quant_range(adjusted_mode) ==

			HDMI_QUANTIZATION_RANGE_LIMITED;

	} else {

		pipe_config->limited_color_range =

			intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_LIMITED;

	}

		intel_hdmi_limited_color_range(pipe_config, conn_state);



	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK)

		pipe_config->pixel_multiplier = 2;

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