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gpu: nvgpu: Init sema pool for sema gpfifo tracking

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Initialize sema pool for the vm, when
NVGPU_SUPPORT_SEMA_BASED_GPFIFO_GET is set

JIRA NVGPU-9588

Change-Id: I3f21a09b9e4af3d1cca16a97d7c94bee605e3ed6
Signed-off-by: Ramalingam C <ramalingamc@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2898142
Reviewed-by: Martin Radev <mradev@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Ramalingam C
2023-05-03 18:57:58 +00:00
committed by mobile promotions
parent 4e28efec1a
commit 32f6f9c5d0
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/nvgpu/common/mm/vm.c
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@@ -340,7 +340,8 @@ static int nvgpu_init_sema_pool(struct vm_gk20a *vm)
/* /*
* Don't waste the memory on semaphores if we don't need them. * Don't waste the memory on semaphores if we don't need them.
*/ */
if (nvgpu_has_syncpoints(g)) { if (nvgpu_has_syncpoints(g) &&
!nvgpu_is_enabled(g, NVGPU_SUPPORT_SEMA_BASED_GPFIFO_GET)) {
return 0; return 0;
} }
@@ -927,7 +928,8 @@ static void nvgpu_vm_remove(struct vm_gk20a *vm)
* pool involves unmapping a GMMU mapping which means aquiring the * pool involves unmapping a GMMU mapping which means aquiring the
* update_gmmu_lock. * update_gmmu_lock.
*/ */
if (!nvgpu_has_syncpoints(g)) { if (!nvgpu_has_syncpoints(g) ||
nvgpu_is_enabled(g, NVGPU_SUPPORT_SEMA_BASED_GPFIFO_GET)) {
if (vm->sema_pool != NULL) { if (vm->sema_pool != NULL) {
nvgpu_semaphore_pool_unmap(vm->sema_pool, vm); nvgpu_semaphore_pool_unmap(vm->sema_pool, vm);
nvgpu_semaphore_pool_put(vm->sema_pool); nvgpu_semaphore_pool_put(vm->sema_pool);