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drm/i915: add WRPLL clocks

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The WR PLL can drive the DDI ports at fixed frequencies for HDMI, DVI, DP
and FDI.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Eugeni Dodonov 2012-03-29 12:32:36 -03:00 committed by Daniel Vetter
parent 90e8d31c53
commit 4dffc4043a
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/i915_reg.h
View file

@ -4157,6 +4157,14 @@
#define SPLL_PLL_FREQ_810MHz (0<<26)
#define SPLL_PLL_FREQ_1350MHz (1<<26)
/* WRPLL */
#define WRPLL_CTL1 0x46040
#define WRPLL_CTL2 0x46060
#define WRPLL_PLL_ENABLE (1<<31)
#define WRPLL_PLL_SELECT_SSC (0x01<<28)
#define WRPLL_PLL_SELECT_NON_SCC (0x02<<28)
#define WRPLL_PLL_SELECT_LCPLL_2700 (0x03<<28)
/* Port clock selection */
#define PORT_CLK_SEL_A 0x46100
#define PORT_CLK_SEL_B 0x46104