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drm/i915: Extract intel_hdmi_limited_color_range()

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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: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190718145053.25808-5-ville.syrjala@linux.intel.com
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
This commit is contained in:
Ville Syrjälä 2019-07-18 17:50:45 +03:00
parent 791ad5f1e1
commit ba2d08c2a9
1 changed files with 20 additions and 10 deletions
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30
drivers/gpu/drm/i915/display/intel_hdmi.c
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@ -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;
}
pipe_config->limited_color_range =
intel_hdmi_limited_color_range(pipe_config, conn_state);
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK)
pipe_config->pixel_multiplier = 2;