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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 448327fe4d85..60c68e3cedeb 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1650,6 +1650,8 @@ static void i9xx_enable_pll(struct intel_crtc *crtc)
I915_READ(DPLL(!crtc->pipe)) | DPLL_DVO_2X_MODE);
}
+ I915_WRITE(reg, dpll);
+
/* Wait for the clocks to stabilize. */
POSTING_READ(reg);
udelay(150);