From 4cb6f6b357963b2eab6a0d02974a6f64c874bd89 Mon Sep 17 00:00:00 2001 From: Arto Merilainen Date: Mon, 21 Jul 2014 10:19:27 +0300 Subject: gpu: nvgpu: Add helpers for backing store access This patch adds mm helpers to access compression backing store from in-kernel shader. Bug 1409151 Change-Id: Icb4f6dc0b5a35fdb97bc4221ab3657866f775fae Signed-off-by: Arto Merilainen Reviewed-on: http://git-master/r/440263 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Lauri Peltonen GVS: Gerrit_Virtual_Submit --- drivers/gpu/nvgpu/gk20a/mm_gk20a.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/gpu/nvgpu/gk20a/mm_gk20a.h') diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h index b0f3536e..30f9e50b 100644 --- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h +++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h @@ -198,6 +198,11 @@ enum gmmu_pgsz_gk20a { gmmu_nr_page_sizes = 2 }; +struct gk20a_comptags { + u32 offset; + u32 lines; +}; + struct page_directory_gk20a { /* backing for */ @@ -473,6 +478,9 @@ int gk20a_vm_map_buffer(struct gk20a_as_share *as_share, u64 buffer_offset, u64 mapping_size); int gk20a_vm_unmap_buffer(struct gk20a_as_share *, u64 offset); +void gk20a_get_comptags(struct device *dev, struct dma_buf *dmabuf, + struct gk20a_comptags *comptags); +dma_addr_t gk20a_mm_gpuva_to_iova(struct vm_gk20a *vm, u64 gpu_vaddr); int gk20a_dmabuf_alloc_drvdata(struct dma_buf *dmabuf, struct device *dev); -- cgit v1.2.2