From 1f0cdadf1a589c683faf24a08b909d5f9a02ed35 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Wed, 28 Mar 2012 17:22:29 +0200 Subject: [PATCH] properly clear SSC1 --- drivers/gpu/drm/i915/intel_display.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a7c2ddc..f80a047 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5560,7 +5560,8 @@ void ironlake_init_pch_refclk(struct drm_device *dev) if (intel_panel_use_ssc(dev_priv) && can_ssc) { DRM_DEBUG_KMS("Using SSC on panel\n"); temp |= DREF_SSC1_ENABLE; - } + } else + tmp &= ~DREF_SSC1_ENABLE; /* Get SSC going before enabling the outputs */ I915_WRITE(PCH_DREF_CONTROL, temp); -- 1.7.9.1