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drm/i915: ibx_write_infoframe can disable AVI 

IBX does not need the workaround used in cpt_write_infoframe that
requires the AVI frame to be enabled while being updated.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2012-05-04 17:18:25 -03:00 committed by Daniel Vetter
parent fdf1250aaa
commit 4dc20c0d18
1 changed files with 1 additions and 7 deletions
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8
drivers/gpu/drm/i915/intel_hdmi.c
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@ -187,13 +187,7 @@ static void ibx_write_infoframe(struct drm_encoder *encoder,
val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
val |= intel_infoframe_index(frame);
/* The DIP control register spec says that we need to update the AVI
* infoframe without clearing its enable bit */
if (frame->type == DIP_TYPE_AVI)
val |= VIDEO_DIP_ENABLE_AVI;
else
val &= ~intel_infoframe_enable(frame);
val &= ~intel_infoframe_enable(frame);
val |= VIDEO_DIP_ENABLE;
I915_WRITE(reg, val);