Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/radeon/cik: log and handle VM page fault interrupts
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+14
+10
drivers/gpu/drm/radeon/cik.c
+10
drivers/gpu/drm/radeon/cik.c
···
3676
3676
break;
3677
3677
}
3678
3678
break;
3679
+
case 146:
3680
+
case 147:
3681
+
dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
3682
+
dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
3683
+
RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
3684
+
dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
3685
+
RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
3686
+
/* reset addr and status */
3687
+
WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
3688
+
break;
3679
3689
case 176: /* GFX RB CP_INT */
3680
3690
case 177: /* GFX IB CP_INT */
3681
3691
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
+4
drivers/gpu/drm/radeon/cikd.h
+4
drivers/gpu/drm/radeon/cikd.h
···
95
95
#define VM_INVALIDATE_REQUEST 0x1478
96
96
#define VM_INVALIDATE_RESPONSE 0x147c
97
97
98
+
#define VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x14DC
99
+
100
+
#define VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x14FC
101
+
98
102
#define VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR 0x1518
99
103
#define VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR 0x151c
100
104