[Intel-gfx] [PATCH 9/9] drm/i915: Assert dpll running in intel_crtc_load_lut() on pre-PCH platforms

ville.syrjala at linux.intel.com ville.syrjala at linux.intel.com
Tue Jun 4 12:49:07 CEST 2013


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

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 90d02c7..3be69bc 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6340,6 +6340,9 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
 	if (!crtc->enabled || !intel_crtc->active)
 		return;
 
+	if (!HAS_PCH_SPLIT(dev_priv->dev))
+		assert_pll_enabled(dev_priv, pipe);
+
 	/* use legacy palette for Ironlake */
 	if (HAS_PCH_SPLIT(dev))
 		palreg = LGC_PALETTE(pipe);
-- 
1.8.1.5




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