From 98186ec2c2127c2af65a34f9e697e04f518a79ab Mon Sep 17 00:00:00 2001 From: Debarshi Dutta Date: Thu, 3 Aug 2017 15:34:44 +0530 Subject: gpu: nvgpu: Add wrapper over atomic_t and atomic64_t - added wrapper structs nvgpu_atomic_t and nvgpu_atomic64_t over atomic_t and atomic64_t - added nvgpu_atomic_* and nvgpu_atomic64_* APIs to access the above wrappers. JIRA NVGPU-121 Change-Id: I61667bb0a84c2fc475365abb79bffb42b8b4786a Signed-off-by: Debarshi Dutta Reviewed-on: https://git-master.nvidia.com/r/1533044 Reviewed-by: svccoveritychecker Reviewed-by: svc-mobile-coverity Reviewed-by: Terje Bergstrom GVS: Gerrit_Virtual_Submit --- drivers/gpu/nvgpu/gk20a/mm_gk20a.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/gpu/nvgpu/gk20a/mm_gk20a.c') diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c index 16fe7149..e21be1e5 100644 --- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c @@ -617,7 +617,7 @@ static int gk20a_init_vidmem(struct mm_gk20a *mm) nvgpu_mutex_init(&mm->vidmem.first_clear_mutex); INIT_WORK(&mm->vidmem.clear_mem_worker, gk20a_vidmem_clear_mem_worker); - atomic64_set(&mm->vidmem.bytes_pending, 0); + nvgpu_atomic64_set(&mm->vidmem.bytes_pending, 0); nvgpu_init_list_node(&mm->vidmem.clear_list_head); nvgpu_mutex_init(&mm->vidmem.clear_list_mutex); @@ -1165,7 +1165,7 @@ int gk20a_vidmem_get_space(struct gk20a *g, u64 *space) nvgpu_mutex_acquire(&g->mm.vidmem.clear_list_mutex); *space = nvgpu_alloc_space(allocator) + - atomic64_read(&g->mm.vidmem.bytes_pending); + nvgpu_atomic64_read(&g->mm.vidmem.bytes_pending); nvgpu_mutex_release(&g->mm.vidmem.clear_list_mutex); return 0; #else @@ -1483,7 +1483,7 @@ static void gk20a_vidmem_clear_mem_worker(struct work_struct *work) (u64)get_vidmem_page_alloc(mem->priv.sgt->sgl)); nvgpu_free_sgtable(g, &mem->priv.sgt); - WARN_ON(atomic64_sub_return(mem->size, + WARN_ON(nvgpu_atomic64_sub_return(mem->size, &g->mm.vidmem.bytes_pending) < 0); mem->size = 0; mem->aperture = APERTURE_INVALID; -- cgit v1.2.2