diff options
| author | Tong Zhang <[email protected]> | 2021-03-21 11:19:07 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2021-04-09 16:42:00 -0400 |
| commit | 05eacc0f8f6c7e27f1841343611f4bed9ee178c1 (patch) | |
| tree | 6acc508cb1b72c62379a3985e3c47bfaf83db5d7 /tools/perf/scripts/python | |
| parent | 6ae2784114c037c770d8726e9d3fdae72907656b (diff) | |
drm/radeon: don't evict if not initialized
TTM_PL_VRAM may not initialized at all when calling
radeon_bo_evict_vram(). We need to check before doing eviction.
[ 2.160837] BUG: kernel NULL pointer dereference, address: 0000000000000020
[ 2.161212] #PF: supervisor read access in kernel mode
[ 2.161490] #PF: error_code(0x0000) - not-present page
[ 2.161767] PGD 0 P4D 0
[ 2.163088] RIP: 0010:ttm_resource_manager_evict_all+0x70/0x1c0 [ttm]
[ 2.168506] Call Trace:
[ 2.168641] radeon_bo_evict_vram+0x1c/0x20 [radeon]
[ 2.168936] radeon_device_fini+0x28/0xf9 [radeon]
[ 2.169224] radeon_driver_unload_kms+0x44/0xa0 [radeon]
[ 2.169534] radeon_driver_load_kms+0x174/0x210 [radeon]
[ 2.169843] drm_dev_register+0xd9/0x1c0 [drm]
[ 2.170104] radeon_pci_probe+0x117/0x1a0 [radeon]
Reviewed-by: Christian König <[email protected]>
Suggested-by: Christian König <[email protected]>
Signed-off-by: Tong Zhang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions