On Thu, Nov 26, 2020 at 01:44:36PM +0530, Uma Shankar wrote:
> This patch handles the quantization range for Lspcon.
I would state it as "fixes quantization range for YCbCr output" or
something along those lins.
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
> ---
> 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 f98891f058da..7cb65e0f241e 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) {
> --
> 2.26.2
--
Ville Syrjälä
Intel
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