From: Eugeni Dodonov <eugeni.dodonov@intel.com>
Date: Thu, 29 Mar 2012 15:32:32 +0000 (-0300)
Subject: drm/i915: add S PLL control
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e93ea06aa0436f60a18962a195b95d8f36e9b7d6;p=openwrt%2Fstaging%2Fblogic.git

drm/i915: add S PLL control

This PLL control can drive DDI ports at desired frequencies for
DisplayPort and FDI connections.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a9a47f6ef7d1..58046ffcf031 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4134,4 +4134,12 @@
 #define  PIXCLK_GATE_UNGATE		1<<0
 #define  PIXCLK_GATE_GATE		0<<0
 
+/* SPLL */
+#define SPLL_CTL				0x46020
+#define  SPLL_PLL_ENABLE		(1<<31)
+#define  SPLL_PLL_SCC			(1<<28)
+#define  SPLL_PLL_NON_SCC		(2<<28)
+#define  SPLL_PLL_FREQ_810MHz	(0<<26)
+#define  SPLL_PLL_FREQ_1350MHz	(1<<26)
+
 #endif /* _I915_REG_H_ */