drm/i915: Use REG_BIT() & co. for ring fault registers

Update the ring fault registers to use the modern REG_BIT()
stuff.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250211231941.22769-4-ville.syrjala@linux.intel.com

Author: vsyrjala

drivers/gpu/drm/i915/gt/intel_gt.c

@@ -310,13 +310,13 @@ static void gen6_check_faults(struct intel_gt *gt)
 			gt_dbg(gt, "Unexpected fault\n"
 			       "\tAddr: 0x%08lx\n"
 			       "\tAddress space: %s\n"
-			       "\tSource ID: %ld\n"
-			       "\tType: %ld\n",
+			       "\tSource ID: %d\n"
+			       "\tType: %d\n",
 			       fault & PAGE_MASK,
 			       fault & RING_FAULT_GTTSEL_MASK ?
 			       "GGTT" : "PPGTT",
-			       RING_FAULT_SRCID(fault),
-			       RING_FAULT_FAULT_TYPE(fault));
+			       REG_FIELD_GET(RING_FAULT_SRCID_MASK, fault),
+			       REG_FIELD_GET(RING_FAULT_FAULT_TYPE_MASK, fault));
 		}
 	}
 }
@@ -351,9 +351,9 @@ static void xehp_check_faults(struct intel_gt *gt)
 		       "\tType: %d\n",
 		       upper_32_bits(fault_addr), lower_32_bits(fault_addr),
 		       fault_data1 & FAULT_GTT_SEL ? "GGTT" : "PPGTT",
-		       GEN8_RING_FAULT_ENGINE_ID(fault),
-		       RING_FAULT_SRCID(fault),
-		       RING_FAULT_FAULT_TYPE(fault));
+		       REG_FIELD_GET(RING_FAULT_ENGINE_ID_MASK, fault),
+		       REG_FIELD_GET(RING_FAULT_SRCID_MASK, fault),
+		       REG_FIELD_GET(RING_FAULT_FAULT_TYPE_MASK, fault));
 	}
 }
 
@@ -392,9 +392,9 @@ static void gen8_check_faults(struct intel_gt *gt)
 		       "\tType: %d\n",
 		       upper_32_bits(fault_addr), lower_32_bits(fault_addr),
 		       fault_data1 & FAULT_GTT_SEL ? "GGTT" : "PPGTT",
-		       GEN8_RING_FAULT_ENGINE_ID(fault),
-		       RING_FAULT_SRCID(fault),
-		       RING_FAULT_FAULT_TYPE(fault));
+		       REG_FIELD_GET(RING_FAULT_ENGINE_ID_MASK, fault),
+		       REG_FIELD_GET(RING_FAULT_SRCID_MASK, fault),
+		       REG_FIELD_GET(RING_FAULT_FAULT_TYPE_MASK, fault));
 	}
 }
 

drivers/gpu/drm/i915/gt/intel_gt_regs.h

@@ -326,11 +326,11 @@
 							    _RING_FAULT_REG_VCS, \
 							    _RING_FAULT_REG_VECS, \
 							    _RING_FAULT_REG_BCS))
-#define   GEN8_RING_FAULT_ENGINE_ID(x)		(((x) >> 12) & 0x1f)
-#define   RING_FAULT_GTTSEL_MASK		(1 << 11)
-#define   RING_FAULT_SRCID(x)			(((x) >> 3) & 0xff)
-#define   RING_FAULT_FAULT_TYPE(x)		(((x) >> 1) & 0x3)
-#define   RING_FAULT_VALID			(1 << 0)
+#define   RING_FAULT_ENGINE_ID_MASK		REG_GENMASK(16, 12)
+#define   RING_FAULT_GTTSEL_MASK		REG_BIT(11)
+#define   RING_FAULT_SRCID_MASK			REG_GENMASK(10, 3)
+#define   RING_FAULT_FAULT_TYPE_MASK		REG_GENMASK(2, 1)
+#define   RING_FAULT_VALID			REG_BIT(0)
 
 #define ERROR_GEN6				_MMIO(0x40a0)
 
@@ -390,8 +390,8 @@
 
 #define GEN8_FAULT_TLB_DATA0			_MMIO(0x4b10)
 #define GEN8_FAULT_TLB_DATA1			_MMIO(0x4b14)
-#define   FAULT_GTT_SEL				(1 << 4)
-#define   FAULT_VA_HIGH_BITS			(0xf << 0)
+#define   FAULT_GTT_SEL				REG_BIT(4)
+#define   FAULT_VA_HIGH_BITS			REG_GENMASK(3, 0)
 
 #define GEN11_GACB_PERF_CTRL			_MMIO(0x4b80)
 #define   GEN11_HASH_CTRL_MASK			(0x3 << 12 | 0xf << 0)