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gpu: nvgpu: fall back to sysmem for generic alloc-maps

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In gk20a_gmmu_alloc_map_attr(), which is used for in-kernel allocations
combined with immediate gmmu map, fall back to attempting to allocate
sysmem when vidmem allocation fails.

Bug 1809939

Change-Id: I4ec4fbf93d41fd9681166b47b3ecad24b51ea274
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1216814
(cherry picked from commit a9929682f1f356f7e8a652a2cec8ed73cc492448)
Reviewed-on: http://git-master/r/1217688
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Konsta Holtta
2016-09-08 10:03:50 +03:00
committed by mobile promotions
parent 1a63ca3a65
commit 51a7cdce32
1 changed files with 10 additions and 2 deletions
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12
drivers/gpu/nvgpu/gk20a/mm_gk20a.c
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@@ -3203,8 +3203,16 @@ int gk20a_gmmu_alloc_map(struct vm_gk20a *vm, size_t size,
int gk20a_gmmu_alloc_map_attr(struct vm_gk20a *vm,
enum dma_attr attr, size_t size, struct mem_desc *mem)
{
if (vm->mm->vidmem_is_vidmem)
return gk20a_gmmu_alloc_map_attr_vid(vm, 0, size, mem);
if (vm->mm->vidmem_is_vidmem) {
int err = gk20a_gmmu_alloc_map_attr_vid(vm, 0, size, mem);
if (!err)
return 0;
/*
* Fall back to sysmem (which may then also fail) in case
* vidmem is exhausted.
*/
}
return gk20a_gmmu_alloc_map_attr_sys(vm, 0, size, mem);
}