[Intel-gfx] [PATCH v2 09/10] drm/i915: Disable LPT-H VGA dotclock during crtc disable

ville.syrjala at linux.intel.com ville.syrjala at linux.intel.com
Fri Dec 4 12:22:14 PST 2015

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

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 at linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
 drivers/gpu/drm/i915/intel_display.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a92753c1ffe3..796378352125 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5178,6 +5178,7 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
 	if (intel_crtc->config->has_pch_encoder) {
+		lpt_disable_iclkip(dev_priv);
 		intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,

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