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drm/i915: use pipe bpp when setting HDMI bpc

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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>
This commit is contained in:
Jesse Barnes 2011-06-24 12:19:25 -07:00 committed by Keith Packard
parent 858fa03527
commit 020f6704b5
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/intel_hdmi.c
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@ -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;