The Intel HDMI encoder can support 8bpc or 12bpc. Set the appropriate
value based on the pipe bpp when configuring the output.
Signed-off-by: Jesse Barnes <jbar...@virtuousgeek.org>
---
drivers/gpu/drm/i915/intel_hdmi.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c
b/drivers/gpu/drm/i915/intel_hdmi.c
index a6871d8..5cf7b23 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -132,6 +132,11 @@ static void intel_hdmi_mode_set(struct drm_encoder
*encoder,
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
+ if (intel_crtc->bpp > 24)
+ sdvox |= COLOR_FORMAT_12bpc;
+ else
+ sdvox |= COLOR_FORMAT_8bpc;
+
/* Required on CPT */
if (intel_hdmi->has_hdmi_sink && HAS_PCH_CPT(dev))
sdvox |= HDMI_MODE_SELECT;
--
1.7.4.1
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