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drm/radeon: add fault decode function for CIK

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Helpful for debugging GPUVM errors as we can see what
hw block and page generated the fault in the log.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-06-14 10:42:22 -04:00
parent fbf6dc7ac7
commit 3ec7d11b9a
2 changed files with 46 additions and 2 deletions
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16
drivers/gpu/drm/radeon/cikd.h
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@ -136,6 +136,22 @@
#define VM_INVALIDATE_RESPONSE 0x147c
#define VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x14DC
#define PROTECTIONS_MASK (0xf << 0)
#define PROTECTIONS_SHIFT 0
/* bit 0: range
* bit 1: pde0
* bit 2: valid
* bit 3: read
* bit 4: write
*/
#define MEMORY_CLIENT_ID_MASK (0xff << 12)
#define MEMORY_CLIENT_ID_SHIFT 12
#define MEMORY_CLIENT_RW_MASK (1 << 24)
#define MEMORY_CLIENT_RW_SHIFT 24
#define FAULT_VMID_MASK (0xf << 25)
#define FAULT_VMID_SHIFT 25
#define VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT 0x14E4
#define VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x14FC