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path: root/drivers/gpu/nvgpu/common/linux/cde.c
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Diffstat (limited to 'drivers/gpu/nvgpu/common/linux/cde.c')
-rw-r--r--drivers/gpu/nvgpu/common/linux/cde.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/gpu/nvgpu/common/linux/cde.c b/drivers/gpu/nvgpu/common/linux/cde.c
index 0c52271a..2832408d 100644
--- a/drivers/gpu/nvgpu/common/linux/cde.c
+++ b/drivers/gpu/nvgpu/common/linux/cde.c
@@ -57,6 +57,21 @@ static struct gk20a_cde_ctx *gk20a_cde_allocate_context(struct nvgpu_os_linux *l
57#define MAX_CTX_USE_COUNT 42 57#define MAX_CTX_USE_COUNT 42
58#define MAX_CTX_RETRY_TIME 2000 58#define MAX_CTX_RETRY_TIME 2000
59 59
60static dma_addr_t gpuva_to_iova_base(struct vm_gk20a *vm, u64 gpu_vaddr)
61{
62 struct nvgpu_mapped_buf *buffer;
63 dma_addr_t addr = 0;
64 struct gk20a *g = gk20a_from_vm(vm);
65
66 nvgpu_mutex_acquire(&vm->update_gmmu_lock);
67 buffer = __nvgpu_vm_find_mapped_buf(vm, gpu_vaddr);
68 if (buffer)
69 addr = nvgpu_mem_get_addr_sgl(g, buffer->sgt->sgl);
70 nvgpu_mutex_release(&vm->update_gmmu_lock);
71
72 return addr;
73}
74
60static void gk20a_deinit_cde_img(struct gk20a_cde_ctx *cde_ctx) 75static void gk20a_deinit_cde_img(struct gk20a_cde_ctx *cde_ctx)
61{ 76{
62 unsigned int i; 77 unsigned int i;
@@ -419,8 +434,8 @@ static int gk20a_cde_patch_params(struct gk20a_cde_ctx *cde_ctx)
419 new_data = g->gr.compbit_store.mem.size; 434 new_data = g->gr.compbit_store.mem.size;
420 break; 435 break;
421 case TYPE_PARAM_SOURCE_SMMU_ADDR: 436 case TYPE_PARAM_SOURCE_SMMU_ADDR:
422 new_data = gk20a_mm_gpuva_to_iova_base(cde_ctx->vm, 437 new_data = gpuva_to_iova_base(cde_ctx->vm,
423 cde_ctx->surf_vaddr); 438 cde_ctx->surf_vaddr);
424 if (new_data == 0) 439 if (new_data == 0)
425 return -EINVAL; 440 return -EINVAL;
426 break; 441 break;
@@ -1100,7 +1115,7 @@ __releases(&l->cde_app->mutex)
1100 1115
1101 /* store surface vaddr. This is actually compbit vaddr, but since 1116 /* store surface vaddr. This is actually compbit vaddr, but since
1102 compbits live in the same surface, and we can get the alloc base 1117 compbits live in the same surface, and we can get the alloc base
1103 address by using gk20a_mm_gpuva_to_iova_base, this will do */ 1118 address by using gpuva_to_iova_base, this will do */
1104 cde_ctx->surf_vaddr = map_vaddr; 1119 cde_ctx->surf_vaddr = map_vaddr;
1105 1120
1106 /* store information about destination */ 1121 /* store information about destination */