| Commit message (Collapse) | Author | Age | |
|---|---|---|---|
| * | gpu: nvgpu: Add nvgpu_os_buffer | Alex Waterman | 2017-11-10 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add a generic nvgpu_os_buffer type, defined by each OS, to abstract a "user" buffer. This allows the comptag interface to be used in the core code. The end goal of this patch is to allow the OS specific mapping code to call a generic mapping function that handles most of the mapping logic. The problem is a lot of the logic involves comptags which are highly dependent on the operating systems buffer management scheme. With this, each OS can implement the buffer comptag mechanics however it wishes without the core MM code caring. JIRA NVGPU-30 JIRA NVGPU-223 Change-Id: Iaf64bc52e01ef3f262b4f8f9173a84384db7dc3e Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1583986 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> | ||
| * | gpu: nvgpu: Move dma_buf usage from mm_gk20a.c | Alex Waterman | 2017-10-18 |
| Move most of the dma_buf usage present in the mm_gk20a.c code out to Linux specific code and some commom/mm code. There's two primary groups of code: 1. dma_buf priv field code (for holding comptag data) 2. Comptag usage that relies on dma_buf pointers For (1) the dma_buf code was simply moved to common/linux/dmabuf.c since most of this code is clearly Linux specific. The comptag code was a bit more complicated since there is two parts to the comptag code. Firstly there's the code that manages the comptag memory. This is essentially a simple allocator. This was moved to common/mm/comptags.c since it can be shared across all chips. The second set of code is moved to common/linux/comptags.c since it is the interface between dma_bufs and the comptag memory. Two other fixes were done as well: - Add struct gk20a to the comptag allocator init so that the proper nvgpu_vzalloc() function could be used. - Add necessary includes to common/linux/vm_priv.h. JIRA NVGPU-30 JIRA NVGPU-138 Change-Id: I96c57f2763e5ebe18a2f2ee4b33e0e1a2597848c Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1566628 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> | |||
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index : nvgpu.git | |
| Tegra GPU Driver. Originally from nv-tegra.nvidia.com/linux-nvgpu.git. | Joshua J Bakita |
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