Commit ba2d08c2 authored by Ville Syrjälä's avatar Ville Syrjälä

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