提交 b495bd3a 编写于 作者: C Christian König 提交者: Alex Deucher

drm/amdgpu: add option to clear VM page tables after every submit

This makes it much easier to find when userspace misses to send some buffers.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
上级 d9c13156
......@@ -80,6 +80,7 @@ extern int amdgpu_deep_color;
extern int amdgpu_vm_size;
extern int amdgpu_vm_block_size;
extern int amdgpu_vm_fault_stop;
extern int amdgpu_vm_debug;
extern int amdgpu_enable_scheduler;
extern int amdgpu_sched_jobs;
extern int amdgpu_sched_hw_submission;
......
......@@ -567,9 +567,24 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p,
if (r)
return r;
}
}
r = amdgpu_vm_clear_invalids(adev, vm, &p->ibs[0].sync);
if (amdgpu_vm_debug && p->bo_list) {
/* Invalidate all BOs to test for userspace bugs */
for (i = 0; i < p->bo_list->num_entries; i++) {
/* ignore duplicates */
bo = p->bo_list->array[i].robj;
if (!bo)
continue;
amdgpu_vm_bo_invalidate(adev, bo);
}
}
return amdgpu_vm_clear_invalids(adev, vm, &p->ibs[0].sync);
return r;
}
static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,
......
......@@ -76,6 +76,7 @@ int amdgpu_deep_color = 0;
int amdgpu_vm_size = 8;
int amdgpu_vm_block_size = -1;
int amdgpu_vm_fault_stop = 0;
int amdgpu_vm_debug = 0;
int amdgpu_exp_hw_support = 0;
int amdgpu_enable_scheduler = 1;
int amdgpu_sched_jobs = 16;
......@@ -145,6 +146,9 @@ module_param_named(vm_block_size, amdgpu_vm_block_size, int, 0444);
MODULE_PARM_DESC(vm_fault_stop, "Stop on VM fault (0 = never (default), 1 = print first, 2 = always)");
module_param_named(vm_fault_stop, amdgpu_vm_fault_stop, int, 0444);
MODULE_PARM_DESC(vm_debug, "Debug VM handling (0 = disabled (default), 1 = enabled)");
module_param_named(vm_debug, amdgpu_vm_debug, int, 0644);
MODULE_PARM_DESC(exp_hw_support, "experimental hw support (1 = enable, 0 = disable (default))");
module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444);
......
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