drm/i915: add WRPLL divider programming bits
Those are used to program the WRPLL dividers correctly for each gives
frequency.
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 bc1a5c6..0668815 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4191,6 +4191,10 @@
#define WRPLL_PLL_SELECT_SSC (0x01<<28)
#define WRPLL_PLL_SELECT_NON_SCC (0x02<<28)
#define WRPLL_PLL_SELECT_LCPLL_2700 (0x03<<28)
+/* WRPLL divider programming */
+#define WRPLL_DIVIDER_REFERENCE(x) ((x)<<0)
+#define WRPLL_DIVIDER_POST(x) ((x)<<8)
+#define WRPLL_DIVIDER_FEEDBACK(x) ((x)<<16)
/* Port clock selection */
#define PORT_CLK_SEL_A 0x46100