From 9559c0d13b6b35abc2659bdd3024849d552e3c4e Mon Sep 17 00:00:00 2001 From: Uma Shankar Date: Tue, 1 Dec 2020 02:17:27 +0530 Subject: [PATCH] drm/i915/display: Fixes quantization range for YCbCr output MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20201130204738.2443-5-uma.shankar@intel.com --- drivers/gpu/drm/i915/display/intel_lspcon.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c index f98891f..7cb65e0 100644 --- a/drivers/gpu/drm/i915/display/intel_lspcon.c +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c @@ -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) { -- 2.7.4