amdgpu_amdkfd_total_mem_size *= si.mem_unit;
ret = kgd2kfd_init();
- amdgpu_amdkfd_gpuvm_init_mem_limits();
kfd_initialized = !ret;
return ret;
int i;
int last_valid_bit;
+ amdgpu_amdkfd_gpuvm_init_mem_limits();
+
if (adev->kfd.dev) {
struct kgd2kfd_shared_resources gpu_resources = {
.compute_vmid_bitmap =
#include <uapi/linux/kfd_ioctl.h>
#include "amdgpu_xgmi.h"
#include "kfd_smi_events.h"
+#include <drm/ttm/ttm_tt.h>
/* Userptr restore delay, just long enough to allow consecutive VM
* changes to accumulate
struct sysinfo si;
uint64_t mem;
+ if (kfd_mem_limit.max_system_mem_limit)
+ return;
+
si_meminfo(&si);
mem = si.freeram - si.freehigh;
mem *= si.mem_unit;
spin_lock_init(&kfd_mem_limit.mem_limit_lock);
kfd_mem_limit.max_system_mem_limit = mem - (mem >> 4);
- kfd_mem_limit.max_ttm_mem_limit = (mem >> 1) - (mem >> 3);
+ kfd_mem_limit.max_ttm_mem_limit = ttm_tt_pages_limit() << PAGE_SHIFT;
pr_debug("Kernel memory limit %lluM, TTM limit %lluM\n",
(kfd_mem_limit.max_system_mem_limit >> 20),
(kfd_mem_limit.max_ttm_mem_limit >> 20));