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drm/i915/display: Fixes quantization range for YCbCr output

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This patch fixes the quantization range for YCbCr output on
Lspcon based devices.

v2: Re-phrased the description and added Ville's Rb.

Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201130204738.2443-5-uma.shankar@intel.com
This commit is contained in:
Uma Shankar
2020-12-01 02:17:27 +05:30
parent 2e666613b2
commit 9559c0d13b
1 changed files with 11 additions and 6 deletions
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17
drivers/gpu/drm/i915/display/intel_lspcon.c
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@@ -523,12 +523,17 @@ void lspcon_set_infoframes(struct intel_encoder *encoder,
else
frame.avi.colorspace = HDMI_COLORSPACE_RGB;
drm_hdmi_avi_infoframe_quant_range(&frame.avi,
conn_state->connector,
adjusted_mode,
crtc_state->limited_color_range ?
HDMI_QUANTIZATION_RANGE_LIMITED :
HDMI_QUANTIZATION_RANGE_FULL);
if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_RGB) {
drm_hdmi_avi_infoframe_quant_range(&frame.avi,
conn_state->connector,
adjusted_mode,
crtc_state->limited_color_range ?
HDMI_QUANTIZATION_RANGE_LIMITED :
HDMI_QUANTIZATION_RANGE_FULL);
} else {
frame.avi.quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
frame.avi.ycc_quantization_range = HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
}
ret = hdmi_infoframe_pack(&frame, buf, sizeof(buf));
if (ret < 0) {