nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-24 10:34:43 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: accept user vma size in vm init

Browse Source 
Modify nvgpu_vm_init to accept low_hole, user_reserved and
kernel_reserved. This will simplify argument limit checks and make code
more legible.

JIRA NVGPU-5302

Change-Id: I62773dd7b06264a3b6cb8896239b24c49fa69f9b
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2394901
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Vedashree Vidwans
2020-08-04 18:58:29 -07:00
committed by Alex Waterman
parent aef3367ca5
commit 49c9f0c137
23 changed files with 156 additions and 136 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
userspace/units/mm/dma/dma.c
View File

@@ -188,16 +188,15 @@ static int init_mm(struct unit_module *m, struct gk20a *g)
low_hole = SZ_4K * 16UL;
aperture_size = GK20A_PMU_VA_SIZE;
mm->pmu.aperture_size = GK20A_PMU_VA_SIZE;
mm->channel.user_size = NV_MM_DEFAULT_USER_SIZE -
NV_MM_DEFAULT_KERNEL_SIZE;
mm->channel.user_size = NV_MM_DEFAULT_USER_SIZE;
mm->channel.kernel_size = NV_MM_DEFAULT_KERNEL_SIZE;
mm->pmu.vm = nvgpu_vm_init(g,
g->ops.mm.gmmu.get_default_big_page_size(),
low_hole,
aperture_size - low_hole,
aperture_size,
0ULL,
nvgpu_safe_sub_u64(aperture_size, low_hole),
true,
false,
false,
@@ -538,7 +537,7 @@ int test_mm_dma_alloc_map_fault_injection(struct unit_module *m,
* nvgpu_dma_alloc_flags_sys function
*/
kmem_fi = nvgpu_kmem_get_fault_injection();
nvgpu_posix_enable_fault_injection(kmem_fi, true, 5);
nvgpu_posix_enable_fault_injection(kmem_fi, true, 1);
err = nvgpu_dma_alloc_map(g->mm.pmu.vm, SZ_4K, mem);
if (err == 0) {