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

ville.syrjala at linux.intel.com ville.syrjala at linux.intel.com
Tue Dec 1 05:08:40 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. Propoerly disable the VGA dotclock as
specified in the modeset sequence.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.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 322a35c67870..5e74456a90aa 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5171,6 +5171,7 @@ 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,
-- 
2.4.10



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