[PATCH 1/2] restore DPLL write

From: Ville SyrjÃlÃ
Date: Wed Oct 07 2015 - 11:23:26 EST


---
drivers/gpu/drm/i915/intel_display.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 147e700..f4fdff9 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1743,6 +1743,8 @@ 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);
--
2.4.9


--R3G7APHDIzY6R/pk
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Content-Disposition: attachment; filename="0002-enable-VGA-mode-before-P1-P2-write.patch"