From: Mukul Joshi <[email protected]>

Fix VM fault reporting and clear VM fault register
for XCC1.

Signed-off-by: Mukul Joshi <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 18aa2a896c3d..cb8ea1f5bc44 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -555,6 +555,7 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device 
*adev,
        const char *mmhub_cid;
        const char *hub_name;
        u64 addr;
+       uint32_t node_id;
 
        addr = (u64)entry->src_data[0] << 12;
        addr |= ((u64)entry->src_data[1] & 0xf) << 44;
@@ -594,7 +595,9 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device 
*adev,
                hub = &adev->vmhub[AMDGPU_MMHUB1(0)];
        } else {
                hub_name = "gfxhub0";
-               hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
+               node_id = (adev->ip_versions[GC_HWIP][0] ==
+                          IP_VERSION(9, 4, 3)) ? entry->node_id : 0;
+               hub = &adev->vmhub[node_id/2];
        }
 
        memset(&task_info, 0, sizeof(struct amdgpu_task_info));
@@ -628,11 +631,10 @@ 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);
 
-
        dev_err(adev->dev,
                "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
                status);
-       if (hub == &adev->vmhub[AMDGPU_GFXHUB(0)]) {
+       if (entry->vmid_src == AMDGPU_GFXHUB(0)) {
                dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
                        cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" :
                        gfxhub_client_ids[cid],
-- 
2.39.2

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