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drm/i915: Disable LPT-H VGA dotclock during crtc disable 

Currently we leave the LPT-H VGA dotclock running after turning
the pipe/fdi/port/etc. Properly disable the VGA dotclock as
specified in the modeset sequence.

v2: Fix commit message typo (Paulo)

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449260534-14551-1-git-send-email-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2015-12-04 22:22:14 +02:00
parent 060f02d81d
commit 503a74e98c
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/i915/intel_display.c
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@ -5176,6 +5176,7 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
if (intel_crtc->config->has_pch_encoder) {
lpt_disable_pch_transcoder(dev_priv);
lpt_disable_iclkip(dev_priv);
intel_ddi_fdi_disable(crtc);
intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,