| From 55bb919be4e4973cd037a04f527ecc6686800437 Mon Sep 17 00:00:00 2001 |
| From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> |
| Date: Mon, 12 Oct 2020 13:09:36 +0200 |
| Subject: drm/amdgpu: increase the reserved VM size to 2MB |
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| Content-Type: text/plain; charset=UTF-8 |
| Content-Transfer-Encoding: 8bit |
| |
| 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(-) |
| |
| --- 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 |
