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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-13 18:26:25 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-07-14 10:11:28 -0400 |
| commit | 54e2e49ce28ff7ac67b93e7e9e44702552b04a69 (patch) | |
| tree | 8d24bc3fabb6dfd63fd9a6078fd0b0639222ab73 /drivers/gpu/drm/radeon/evergreen.c | |
| parent | 0a168933976eb483da91161316bbbbcb74d00486 (diff) | |
| download | lwn-54e2e49ce28ff7ac67b93e7e9e44702552b04a69.tar.gz lwn-54e2e49ce28ff7ac67b93e7e9e44702552b04a69.zip | |
drm/radeon: add fault decode function for cayman/TN (v2)
Helpful for debugging GPUVM errors as we can see what
hw block and page generated the fault in the log.
v2: simplify fault decoding
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index e49059dc9b8f..526e428cb4d0 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -139,6 +139,8 @@ void evergreen_pcie_gen2_enable(struct radeon_device *rdev); void evergreen_program_aspm(struct radeon_device *rdev); extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev, int ring, u32 cp_int_cntl); +extern void cayman_vm_decode_fault(struct radeon_device *rdev, + u32 status, u32 addr); static const u32 evergreen_golden_registers[] = { @@ -4586,6 +4588,7 @@ int evergreen_irq_process(struct radeon_device *rdev) bool queue_hotplug = false; bool queue_hdmi = false; bool queue_thermal = false; + u32 status, addr; if (!rdev->ih.enabled || rdev->shutdown) return IRQ_NONE; @@ -4872,11 +4875,14 @@ restart_ih: break; case 146: case 147: + addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR); + status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS); dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data); dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", - RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR)); + addr); dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", - RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + status); + cayman_vm_decode_fault(rdev, status, addr); /* reset addr and status */ WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1); break; |