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authorChristian König <christian.koenig@amd.com>2020-10-12 14:09:36 +0300
committerAlex Deucher <alexander.deucher@amd.com>2020-10-26 20:27:14 +0300
commitce9a6cad3e3afea552c191e5c833b56f7b1bb4f0 (patch)
tree1e2e0368a003046aff02b768f5e6d05a18922166 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
parent34c0631bbd9d731d1330b0f3cee2c4bcfb92be5e (diff)
downloadlinux-ce9a6cad3e3afea552c191e5c833b56f7b1bb4f0.tar.xz
drm/amdgpu: increase the reserved VM size to 2MB
Ideally this should be a multiple of the VM block size. 2MB should at least fit for Vega/Navi. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 929d7cb92dc0..496e1ed1577d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -115,8 +115,8 @@ struct amdgpu_bo_list_entry;
#define AMDGPU_MMHUB_0 1
#define AMDGPU_MMHUB_1 2
-/* hardcode that limit for now */
-#define AMDGPU_VA_RESERVED_SIZE (1ULL << 20)
+/* 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