| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 184/214] drm/amdgpu: increase the reserved VM size to 2MB | Date | Tue, 3 Nov 2020 21:37:12 +0100 |
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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 @@ -105,8 +105,8 @@ 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
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