summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/i915_reg.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b284c13fd632..61ef98db9ff0 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -596,6 +596,8 @@
#define ILK_DISPLAY_CHICKEN1 0x42000
#define ILK_FBCQ_DIS (1<<22)
+#define ILK_PABSTRETCH_DIS (1<<21)
+
/*
* GPIO regs
@@ -955,6 +957,8 @@
*/
#define MCHBAR_MIRROR_BASE 0x10000
+#define MCHBAR_MIRROR_BASE_SNB 0x140000
+
/** 915-945 and GM965 MCH register controlling DRAM channel access */
#define DCC 0x10200
#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL (0 << 0)
@@ -2346,6 +2350,40 @@
#define ILK_FIFO_LINE_SIZE 64
+/* define the WM info on Sandybridge */
+#define SNB_DISPLAY_FIFO 128
+#define SNB_DISPLAY_MAXWM 0x7f /* bit 16:22 */
+#define SNB_DISPLAY_DFTWM 8
+#define SNB_CURSOR_FIFO 32
+#define SNB_CURSOR_MAXWM 0x1f /* bit 4:0 */
+#define SNB_CURSOR_DFTWM 8
+
+#define SNB_DISPLAY_SR_FIFO 512
+#define SNB_DISPLAY_MAX_SRWM 0x1ff /* bit 16:8 */
+#define SNB_DISPLAY_DFT_SRWM 0x3f
+#define SNB_CURSOR_SR_FIFO 64
+#define SNB_CURSOR_MAX_SRWM 0x3f /* bit 5:0 */
+#define SNB_CURSOR_DFT_SRWM 8
+
+#define SNB_FBC_MAX_SRWM 0xf /* bit 23:20 */
+
+#define SNB_FIFO_LINE_SIZE 64
+
+
+/* the address where we get all kinds of latency value */
+#define SSKPD 0x5d10
+#define SSKPD_WM_MASK 0x3f
+#define SSKPD_WM0_SHIFT 0
+#define SSKPD_WM1_SHIFT 8
+#define SSKPD_WM2_SHIFT 16
+#define SSKPD_WM3_SHIFT 24
+
+#define SNB_LATENCY(shift) (I915_READ(MCHBAR_MIRROR_BASE_SNB + SSKPD) >> (shift) & SSKPD_WM_MASK)
+#define SNB_READ_WM0_LATENCY() SNB_LATENCY(SSKPD_WM0_SHIFT)
+#define SNB_READ_WM1_LATENCY() SNB_LATENCY(SSKPD_WM1_SHIFT)
+#define SNB_READ_WM2_LATENCY() SNB_LATENCY(SSKPD_WM2_SHIFT)
+#define SNB_READ_WM3_LATENCY() SNB_LATENCY(SSKPD_WM3_SHIFT)
+
/*
* The two pipe frame counter registers are not synchronized, so
* reading a stable value is somewhat tricky. The following code
@@ -2651,6 +2689,8 @@
#define ILK_VSDPFD_FULL (1<<21)
#define ILK_DSPCLK_GATE 0x42020
#define ILK_DPARB_CLK_GATE (1<<5)
+#define ILK_DPFD_CLK_GATE (1<<7)
+
/* 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)