Signed-Off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/i915/i915_debugfs.c | 13 +++++++++++++
drivers/gpu/drm/i915/i915_reg.h | 31 +++++++++++++++++++++++++++++++
2 files changed, 44 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
b/drivers/gpu/drm/i915/i915_debugfs.c
index d5bc92b..41b455b 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1377,6 +1377,19 @@ static int i915_swizzle_info(struct seq_file *m, void
*data)
I915_READ16(C0DRB3));
seq_printf(m, "C1DRB3 = 0x%04x\n",
I915_READ16(C1DRB3));
+ } else if (IS_GEN6(dev) || IS_GEN7(dev)) {
+ seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n",
+ I915_READ(MAD_DIMM_C0));
+ seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n",
+ I915_READ(MAD_DIMM_C1));
+ seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n",
+ I915_READ(MAD_DIMM_C2));
+ seq_printf(m, "TILECTL = 0x%08x\n",
+ I915_READ(TILECTL));
+ seq_printf(m, "ARB_MODE = 0x%08x\n",
+ I915_READ(ARB_MODE));
+ seq_printf(m, "DISP_ARB_CTL = 0x%08x\n",
+ I915_READ(DISP_ARB_CTL));
}
mutex_unlock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index cbf5f9f..0a0b6b1 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -295,6 +295,12 @@
#define FENCE_REG_SANDYBRIDGE_0 0x100000
#define SANDYBRIDGE_FENCE_PITCH_SHIFT 32
+/* control register for cpu gtt access */
+#define TILECTL 0x101000
+#define TILECTL_SWZCTL (1 << 0)
+#define TILECTL_TLB_PREFETCH_DIS (1 << 2)
+#define TILECTL_BACKSNOOP_DIS (1 << 3)
+
/*
* Instruction and interrupt control regs
*/
@@ -318,6 +324,9 @@
#define RING_MAX_IDLE(base) ((base)+0x54)
#define RING_HWS_PGA(base) ((base)+0x80)
#define RING_HWS_PGA_GEN6(base) ((base)+0x2080)
+#define ARB_MODE 0x04030
+#define ARB_MODE_SWIZZLE_SNB (1<<4)
+#define ARB_MODE_SWIZZLE_IVB (1<<5)
#define RENDER_HWS_PGA_GEN7 (0x04080)
#define BSD_HWS_PGA_GEN7 (0x04180)
#define BLT_HWS_PGA_GEN7 (0x04280)
@@ -1034,6 +1043,28 @@
#define C0DRB3 0x10206
#define C1DRB3 0x10606
+/** snb MCH registers for reading the DRAM channel configuration */
+#define MAD_DIMM_C0 (MCHBAR_MIRROR_BASE_SNB + 0x5004)
+#define MAD_DIMM_C1 (MCHBAR_MIRROR_BASE_SNB + 0x5008)
+#define MAD_DIMM_C2 (MCHBAR_MIRROR_BASE_SNB + 0x500C)
+#define MAD_DIMM_ECC_MASK (0x3 << 24)
+#define MAD_DIMM_ECC_OFF (0x0 << 24)
+#define MAD_DIMM_ECC_IO_ON_LOGIC_OFF (0x1 << 24)
+#define MAD_DIMM_ECC_IO_OFF_LOGIC_ON (0x2 << 24)
+#define MAD_DIMM_ECC_ON (0x3 << 24)
+#define MAD_DIMM_ENH_INTERLEAVE (0x1 << 22)
+#define MAD_DIMM_RANK_INTERLEAVE (0x1 << 21)
+#define MAD_DIMM_B_WIDTH_X16 (0x1 << 20) /* X8 chips if unset */
+#define MAD_DIMM_A_WIDTH_X16 (0x1 << 19) /* X8 chips if unset */
+#define MAD_DIMM_B_DUAL_RANK (0x1 << 18)
+#define MAD_DIMM_A_DUAL_RANK (0x1 << 17)
+#define MAD_DIMM_A_SELECT (0x1 << 16)
+#define MAD_DIMM_B_SIZE_MASK (0xff << 8) /* in multiples of 256mb */
+#define MAD_DIMM_B_SIZE_SHIFT 8
+#define MAD_DIMM_A_SIZE_MASK (0xff << 0) /* in multiples of 256mb */
+#define MAD_DIMM_A_SIZE_SHIFT 8
+
+
/* Clocking configuration register */
#define CLKCFG 0x10c00
#define CLKCFG_FSB_400 (5 << 0) /*
hrawclk 100 */
--
1.7.6.4
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