When output colorspace is YCBCR420, we have to load the
corresponding colorspace in AVI infoframe. This patch fills
the colorspace of AVI infoframe as per the output mode.
V2: Rebase
V3: Rebase
V4: Rebase
V5: Added r-b from Ander
V6: Checking RGB/YCBCR420 output only (Ville)
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@xxxxxxxxx>
Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_hdmi.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 9e8d784..2524ac4 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -461,6 +461,7 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
&crtc_state->base.adjusted_mode;
struct drm_connector *connector = &intel_hdmi->attached_connector->base;
bool is_hdmi2_sink = connector->display_info.hdmi.scdc.supported;
+ enum hdmi_colorspace colorspace = HDMI_COLORSPACE_RGB;
union hdmi_infoframe frame;
int ret;
@@ -472,6 +473,17 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
return;
}
+ if (crtc_state->ycbcr420)
+ colorspace = HDMI_COLORSPACE_YUV420;
+
+ ret = drm_hdmi_avi_infoframe_set_colorspace(&frame.avi,
+ adjusted_mode,
+ colorspace);
+ if (ret < 0) {
+ DRM_ERROR("couldn't fill AVI colorspace\n");
+ return;
+ }
+
drm_hdmi_avi_infoframe_quant_range(&frame.avi, adjusted_mode,
crtc_state->limited_color_range ?
HDMI_QUANTIZATION_RANGE_LIMITED :
--
2.7.4
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