diff mbox series

[5.9,325/391] drm/amdgpu: increase the reserved VM size to 2MB

Message ID 20201103203409.056081006@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Nov. 3, 2020, 8:36 p.m. UTC
From: Christian König <christian.koenig@amd.com>

commit 55bb919be4e4973cd037a04f527ecc6686800437 upstream.

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>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -112,8 +112,8 @@  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