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-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c15
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h2
2 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index c5f393870532..0de4f3f13fc4 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2287,12 +2287,23 @@ static void gen8_check_and_clear_faults(struct drm_i915_private *dev_priv)
u32 fault = I915_READ(GEN8_RING_FAULT_REG);
if (fault & RING_FAULT_VALID) {
+ u32 fault_data0, fault_data1;
+ u64 fault_addr;
+
+ fault_data0 = I915_READ(GEN8_FAULT_TLB_DATA0);
+ fault_data1 = I915_READ(GEN8_FAULT_TLB_DATA1);
+ fault_addr = ((u64)(fault_data1 & FAULT_VA_HIGH_BITS) << 44) |
+ ((u64)fault_data0 << 12);
+
DRM_DEBUG_DRIVER("Unexpected fault\n"
- "\tAddr: 0x%08lx\n"
+ "\tAddr: 0x%08x_%08x\n"
+ "\tAddress space: %s\n"
"\tEngine ID: %d\n"
"\tSource ID: %d\n"
"\tType: %d\n",
- fault & PAGE_MASK,
+ 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));
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 505c605eff98..a2108e35c599 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2489,6 +2489,8 @@ enum i915_power_well_id {
#define GEN8_FAULT_TLB_DATA0 _MMIO(0x4b10)
#define GEN8_FAULT_TLB_DATA1 _MMIO(0x4b14)
+#define FAULT_VA_HIGH_BITS (0xf << 0)
+#define FAULT_GTT_SEL (1 << 4)
#define FPGA_DBG _MMIO(0x42300)
#define FPGA_DBG_RM_NOCLAIM (1<<31)