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gpu: nvgpu: Separate GMMU out of mm_gk20a.c

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Begin moving (and renaming) the GMMU code into common/mm/gmmu.c. This
block of code will be responsible for handling the platform/OS
independent GMMU operations.

JIRA NVGPU-12
JIRA NVGPU-30

Change-Id: Ide761bab75e5d84be3dcb977c4842ae4b3a7c1b3
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1464083
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Alex Waterman
2017-04-10 14:04:15 -07:00
committed by mobile promotions
parent 36c1fdccc9
commit c3fa78b1d9
13 changed files with 237 additions and 150 deletions
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10
drivers/gpu/nvgpu/common/linux/dma.c
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@@ -20,6 +20,7 @@
#include <nvgpu/dma.h>
#include <nvgpu/lock.h>
#include <nvgpu/bug.h>
#include <nvgpu/gmmu.h>
#include <nvgpu/linux/dma.h>
@@ -71,7 +72,7 @@ int nvgpu_dma_alloc_flags(struct gk20a *g, unsigned long flags, size_t size,
/*
* Force the no-kernel-mapping flag on because we don't support
* the lack of it for vidmem - the user should not care when
* using gk20a_gmmu_alloc_map and it's vidmem, or if there's a
* using nvgpu_gmmu_alloc_map and it's vidmem, or if there's a
* difference, the user should use the flag explicitly anyway.
*/
int err = nvgpu_dma_alloc_flags_vid(g,
@@ -285,7 +286,7 @@ int nvgpu_dma_alloc_map_flags_sys(struct vm_gk20a *vm, unsigned long flags,
if (err)
return err;
mem->gpu_va = gk20a_gmmu_map(vm, &mem->priv.sgt, size, 0,
mem->gpu_va = nvgpu_gmmu_map(vm, mem, size, 0,
gk20a_mem_flag_none, false,
mem->aperture);
if (!mem->gpu_va) {
@@ -315,7 +316,7 @@ int nvgpu_dma_alloc_map_flags_vid(struct vm_gk20a *vm, unsigned long flags,
if (err)
return err;
mem->gpu_va = gk20a_gmmu_map(vm, &mem->priv.sgt, size, 0,
mem->gpu_va = nvgpu_gmmu_map(vm, mem, size, 0,
gk20a_mem_flag_none, false,
mem->aperture);
if (!mem->gpu_va) {
@@ -420,8 +421,7 @@ void nvgpu_dma_free(struct gk20a *g, struct nvgpu_mem *mem)
void nvgpu_dma_unmap_free(struct vm_gk20a *vm, struct nvgpu_mem *mem)
{
if (mem->gpu_va)
gk20a_gmmu_unmap(vm, mem->gpu_va,
mem->size, gk20a_mem_flag_none);
nvgpu_gmmu_unmap(vm, mem, mem->gpu_va);
mem->gpu_va = 0;
nvgpu_dma_free(vm->mm->g, mem);