[PATCH] drm/i915/cnl: Fix the formulae for register offsets

[Radhakrishna Sripada]

For gen10+ the offsets for Slice PG cntl/ EU PG cntl donot scale well for higher slices.

Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 47baf2fe8f71..352024756e91 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -8662,18 +8662,21 @@ enum {
 #define   CHV_EU311_PG_ENABLE		(1 << 1)
 
 #define GEN9_SLICE_PGCTL_ACK(slice)	_MMIO(0x804c + (slice) * 0x4)
-#define GEN10_SLICE_PGCTL_ACK(slice)	_MMIO(0x804c + ((slice) / 3) * 0x34 + \
-					      ((slice) % 3) * 0x4)
+#define GEN10_SLICE_PGCTL_ACK(slice)	_MMIO(0x804c + ((slice) / 3) * \
+					      ((((slice) / 3) == 1) ? 0x34 : 0x2C) \
+					      + ((slice) % 3) * 0x4)
 #define   GEN9_PGCTL_SLICE_ACK		(1 << 0)
 #define   GEN9_PGCTL_SS_ACK(subslice)	(1 << (2 + (subslice) * 2))
 #define   GEN10_PGCTL_VALID_SS_MASK(slice) ((slice) == 0 ? 0x7F : 0x1F)
 
 #define GEN9_SS01_EU_PGCTL_ACK(slice)	_MMIO(0x805c + (slice) * 0x8)
-#define GEN10_SS01_EU_PGCTL_ACK(slice)	_MMIO(0x805c + ((slice) / 3) * 0x30 + \
-					      ((slice) % 3) * 0x8)
+#define GEN10_SS01_EU_PGCTL_ACK(slice)	_MMIO(0x805c + ((slice) / 3) * \
+					      ((((slice) / 3) == 1) ? 0x30 : 0x28) \
+					      + ((slice) % 3) * 0x8)
 #define GEN9_SS23_EU_PGCTL_ACK(slice)	_MMIO(0x8060 + (slice) * 0x8)
-#define GEN10_SS23_EU_PGCTL_ACK(slice)	_MMIO(0x8060 + ((slice) / 3) * 0x30 + \
-					      ((slice) % 3) * 0x8)
+#define GEN10_SS23_EU_PGCTL_ACK(slice)	_MMIO(0x8060 + ((slice) / 3) * \
+					      ((((slice) / 3) == 1) ? 0x30 : 0x28) \
+					      + ((slice) % 3) * 0x8)
 #define   GEN9_PGCTL_SSA_EU08_ACK	(1 << 0)
 #define   GEN9_PGCTL_SSA_EU19_ACK	(1 << 2)
 #define   GEN9_PGCTL_SSA_EU210_ACK	(1 << 4)
-- 
2.9.3