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authorChristian König <[email protected]>2022-11-25 16:04:25 +0000
committerAlex Deucher <[email protected]>2022-12-14 14:48:33 +0000
commite44a0fe630c58b0a87d8281f5c1077a3479e5fce (patch)
treef9e96d4abf046dcd2981ab78705e1ff68b449558 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
parentdrm/amdgpu: stop waiting for the VM during unreserve (diff)
downloadkernel-e44a0fe630c58b0a87d8281f5c1077a3479e5fce.tar.gz
kernel-e44a0fe630c58b0a87d8281f5c1077a3479e5fce.zip
drm/amdgpu: rework reserved VMID handling
Instead of reserving a VMID for a single process allow that many processes use the reserved ID. This allows for proper isolation between the processes. Signed-off-by: Christian König <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 6546e786bf00..094bb4807303 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -119,9 +119,6 @@ struct amdgpu_bo_vm;
/* Reserve 2MB at top/bottom of address space for kernel use */
#define AMDGPU_VA_RESERVED_SIZE (2ULL << 20)
-/* max vmids dedicated for process */
-#define AMDGPU_VM_MAX_RESERVED_VMID 1
-
/* See vm_update_mode */
#define AMDGPU_VM_USE_CPU_FOR_GFX (1 << 0)
#define AMDGPU_VM_USE_CPU_FOR_COMPUTE (1 << 1)
@@ -298,8 +295,7 @@ struct amdgpu_vm {
struct dma_fence *last_unlocked;
unsigned int pasid;
- /* dedicated to vm */
- struct amdgpu_vmid *reserved_vmid[AMDGPU_MAX_VMHUBS];
+ bool reserved_vmid[AMDGPU_MAX_VMHUBS];
/* Flag to indicate if VM tables are updated by CPU or GPU (SDMA) */
bool use_cpu_for_update;