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path: root/drivers/gpu/drm/i915/i915_reg.h
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index d0ccfa0c72de..e2a6f687d8b0 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -530,6 +530,21 @@
#define DPFC_CHICKEN 0x3224
#define DPFC_HT_MODIFY (1<<31)
+/* Framebuffer compression for Ironlake */
+#define ILK_DPFC_CB_BASE 0x43200
+#define ILK_DPFC_CONTROL 0x43208
+/* The bit 28-8 is reserved */
+#define DPFC_RESERVED (0x1FFFFF00)
+#define ILK_DPFC_RECOMP_CTL 0x4320c
+#define ILK_DPFC_STATUS 0x43210
+#define ILK_DPFC_FENCE_YOFF 0x43218
+#define ILK_DPFC_CHICKEN 0x43224
+#define ILK_FBC_RT_BASE 0x2128
+#define ILK_FBC_RT_VALID (1<<0)
+
+#define ILK_DISPLAY_CHICKEN1 0x42000
+#define ILK_FBCQ_DIS (1<<22)
+
/*
* GPIO regs
*/
@@ -2491,6 +2506,10 @@
#define ILK_VSDPFD_FULL (1<<21)
#define ILK_DSPCLK_GATE 0x42020
#define ILK_DPARB_CLK_GATE (1<<5)
+/* According to spec this bit 7/8/9 of 0x42020 should be set to enable FBC */
+#define ILK_CLK_FBC (1<<7)
+#define ILK_DPFC_DIS1 (1<<8)
+#define ILK_DPFC_DIS2 (1<<9)
#define DISP_ARB_CTL 0x45000
#define DISP_TILE_SURFACE_SWIZZLING (1<<13)