Merge tag 'drm-intel-gt-next-2025-03-12' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next

UAPI Changes:

- Increase I915_PARAM_MMAP_GTT_VERSION version to indicate support for partial mmaps (José Roberto de Souza)

Driver Changes:

Fixes/improvements/new stuff:

- Implement vmap/vunmap GEM object functions (Asbjørn Sloth Tønnesen)

Miscellaneous:

- Various register definition cleanups (Ville Syrjälä)
- Fix typo in a comment [gt/uc] (Yuichiro Tsuji)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tursulin@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z9IXs5CzHHKScuQn@linux

1 files changed, 38 insertions, 51 deletions

diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index c4a351ebf395..3d3b1ba76e2b 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -302,25 +302,48 @@ static void gen6_check_faults(struct intel_gt *gt)
 {
 	struct intel_engine_cs *engine;
 	enum intel_engine_id id;
-	unsigned long fault;
 
 	for_each_engine(engine, gt, id) {
+		u32 fault;
+
 		fault = GEN6_RING_FAULT_REG_READ(engine);
+
 		if (fault & RING_FAULT_VALID) {
 			gt_dbg(gt, "Unexpected fault\n"
-			       "\tAddr: 0x%08lx\n"
+			       "\tAddr: 0x%08x\n"
 			       "\tAddress space: %s\n"
-			       "\tSource ID: %ld\n"
-			       "\tType: %ld\n",
-			       fault & PAGE_MASK,
+			       "\tSource ID: %d\n"
+			       "\tType: %d\n",
+			       fault & RING_FAULT_VADDR_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));
 		}
 	}
 }
 
+static void gen8_report_fault(struct intel_gt *gt, u32 fault,
+			      u32 fault_data0, u32 fault_data1)
+{
+	u64 fault_addr;
+
+	fault_addr = ((u64)(fault_data1 & FAULT_VA_HIGH_BITS) << 44) |
+		((u64)fault_data0 << 12);
+
+	gt_dbg(gt, "Unexpected fault\n"
+	       "\tAddr: 0x%08x_%08x\n"
+	       "\tAddress space: %s\n"
+	       "\tEngine ID: %d\n"
+	       "\tSource ID: %d\n"
+	       "\tType: %d\n",
+	       upper_32_bits(fault_addr), lower_32_bits(fault_addr),
+	       fault_data1 & FAULT_GTT_SEL ? "GGTT" : "PPGTT",
+	       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));
+}
+
 static void xehp_check_faults(struct intel_gt *gt)
 {
 	u32 fault;
@@ -333,28 +356,10 @@ static void xehp_check_faults(struct intel_gt *gt)
 	 * toward the primary instance.
 	 */
 	fault = intel_gt_mcr_read_any(gt, XEHP_RING_FAULT_REG);
-	if (fault & RING_FAULT_VALID) {
-		u32 fault_data0, fault_data1;
-		u64 fault_addr;
-
-		fault_data0 = intel_gt_mcr_read_any(gt, XEHP_FAULT_TLB_DATA0);
-		fault_data1 = intel_gt_mcr_read_any(gt, XEHP_FAULT_TLB_DATA1);
-
-		fault_addr = ((u64)(fault_data1 & FAULT_VA_HIGH_BITS) << 44) |
-			     ((u64)fault_data0 << 12);
-
-		gt_dbg(gt, "Unexpected fault\n"
-		       "\tAddr: 0x%08x_%08x\n"
-		       "\tAddress space: %s\n"
-		       "\tEngine ID: %d\n"
-		       "\tSource ID: %d\n"
-		       "\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));
-	}
+	if (fault & RING_FAULT_VALID)
+		gen8_report_fault(gt, fault,
+				  intel_gt_mcr_read_any(gt, XEHP_FAULT_TLB_DATA0),
+				  intel_gt_mcr_read_any(gt, XEHP_FAULT_TLB_DATA1));
 }
 
 static void gen8_check_faults(struct intel_gt *gt)
@@ -374,28 +379,10 @@ static void gen8_check_faults(struct intel_gt *gt)
 	}
 
 	fault = intel_uncore_read(uncore, fault_reg);
-	if (fault & RING_FAULT_VALID) {
-		u32 fault_data0, fault_data1;
-		u64 fault_addr;
-
-		fault_data0 = intel_uncore_read(uncore, fault_data0_reg);
-		fault_data1 = intel_uncore_read(uncore, fault_data1_reg);
-
-		fault_addr = ((u64)(fault_data1 & FAULT_VA_HIGH_BITS) << 44) |
-			     ((u64)fault_data0 << 12);
-
-		gt_dbg(gt, "Unexpected fault\n"
-		       "\tAddr: 0x%08x_%08x\n"
-		       "\tAddress space: %s\n"
-		       "\tEngine ID: %d\n"
-		       "\tSource ID: %d\n"
-		       "\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));
-	}
+	if (fault & RING_FAULT_VALID)
+		gen8_report_fault(gt, fault,
+				  intel_uncore_read(uncore, fault_data0_reg),
+				  intel_uncore_read(uncore, fault_data1_reg));
 }
 
 void intel_gt_check_and_clear_faults(struct intel_gt *gt)