From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Fri, 24 Jun 2011 19:19:25 +0000 (-0700)
Subject: drm/i915: use pipe bpp when setting HDMI bpc
X-Git-Tag: v3.12-rc1~5248^2~18^2~22
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=020f6704b5fbf687534ce53aeedc0364a995ae8a;p=kernel%2Fkernel-generic.git

drm/i915: use pipe bpp when setting HDMI bpc

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 <jbarnes@virtuousgeek.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 1b72aa42..1ed8e69 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -131,6 +131,11 @@ 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;