diff options
author | Alex Deucher <alexander.deucher@amd.com> | 2022-09-29 18:57:12 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-05 01:37:07 +0300 |
commit | 8dbf1ba867c23a581973207d6d1d15ed72e814a7 (patch) | |
tree | 4005de1ff16c0fd39ab24067c89a97c44334d76a /drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | |
parent | 2e8ef6a56129526a67b1058124be0839ab8f976a (diff) | |
download | linux-8dbf1ba867c23a581973207d6d1d15ed72e814a7.tar.xz |
drm/amdgpu: cache gpuvm fault information for gmc7+
Cache the current fault info in the vm struct. This can be queried
by userspace later to help debug UMDs.
Cc: samuel.pitoiset@gmail.com
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 04edd61893c7..4e823e348c1b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -553,6 +553,7 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_vmhub *hub; const char *mmhub_cid; const char *hub_name; + unsigned int vmhub; u64 addr; uint32_t cam_index = 0; int ret, xcc_id = 0; @@ -565,10 +566,10 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, if (entry->client_id == SOC15_IH_CLIENTID_VMC) { hub_name = "mmhub0"; - hub = &adev->vmhub[AMDGPU_MMHUB0(node_id / 4)]; + vmhub = AMDGPU_MMHUB0(node_id / 4); } else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) { hub_name = "mmhub1"; - hub = &adev->vmhub[AMDGPU_MMHUB1(0)]; + vmhub = AMDGPU_MMHUB1(0); } else { hub_name = "gfxhub0"; if (adev->gfx.funcs->ih_node_to_logical_xcc) { @@ -577,8 +578,9 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, if (xcc_id < 0) xcc_id = 0; } - hub = &adev->vmhub[xcc_id]; + vmhub = xcc_id; } + hub = &adev->vmhub[vmhub]; if (retry_fault) { if (adev->irq.retry_cam_enabled) { @@ -624,7 +626,6 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, if (!printk_ratelimit()) return 0; - memset(&task_info, 0, sizeof(struct amdgpu_task_info)); amdgpu_vm_get_task_info(adev, entry->pasid, &task_info); @@ -660,6 +661,8 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, rw = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, RW); WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); + amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status, vmhub); + dev_err(adev->dev, "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", status); |