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This reverts commit 2e5803d0f2b7d7a1577a40f45ab9f3b22ef2df80 since
the issue seen with bug 200106514 is fixed with change
http://git-master/r/#/c/752080/.
Bug 200112195
Change-Id: I588151c2a7ea74bd89dc3fd48bb81ff2c49f5a0a
Signed-off-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-on: http://git-master/r/752503
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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This reverts commit ce1cf06b9a8eb6314ba0ca294e8cb430e1e141c0 since
it causes GPU pbdma interrupt to be generated.
Bug 200106514
Change-Id: If3ed9a914c4e3e7f3f98c6609c6dbf57e1eb9aad
Signed-off-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-on: http://git-master/r/749291
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This reverts commit 7eb42bc239dbd207208ff491c3fb65c3d83274d8.
The original commit was actually fine.
Change-Id: I564ce6530ac73fcfad17dcec9c53f0353b4f02d4
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/743300
(cherry picked from commit e99aa2485f8992eabe3556f3ebcb57bdc8ad91ff)
Reviewed-on: http://git-master/r/743301
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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This reverts commit 2e235ac150fa4af8632c9abf0f109a10973a0bf5.
Change-Id: I3aa745152124c2bc09c6c6dc5aeb1084ae7e08a4
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/741469
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Hiroshi Doyu <hdoyu@nvidia.com>
Tested-by: Hiroshi Doyu <hdoyu@nvidia.com>
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Implement a new buddy allocation scheme for the GPU's VA space.
The bitmap allocator was using too much memory and is not a scaleable
solution as the GPU's address space keeps getting bigger. The buddy
allocation scheme is much more memory efficient when the majority
of the address space is not allocated.
The buddy allocator is not constrained by the notion of a split
address space. The bitmap allocator could only manage either small
pages or large pages but not both at the same time. Thus the bottom
of the address space was for small pages, the top for large pages.
Although, that split is not removed quite yet, the new allocator
enables that to happen.
The buddy allocator is also very scalable. It manages the relatively
small comptag space to the enormous GPU VA space and everything in
between. This is important since the GPU has lots of different sized
spaces that need managing.
Currently there are certain limitations. For one the allocator does
not handle the fixed allocations from CUDA very well. It can do so
but with certain caveats. The PTE page size is always set to small.
This means the BA may place other small page allocations in the
buddies around the fixed allocation. It does this to avoid having
large and small page allocations in the same PDE.
Change-Id: I501cd15af03611536490137331d43761c402c7f9
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/740694
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Change-Id: I8b7e86afb68adf6dd33b05995d0978f42d57e7b7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/554185
GVS: Gerrit_Virtual_Submit
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Replace gk20a allocator with Linux bitmap allocator.
Change-Id: Iba5e28f68ab5cf19e2c033005efd7f9da6e4a5b6
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/554184
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To help remove the nvhost dependency from nvgpu, rename ioctl defines
and structures used by nvgpu such that nvhost is replaced by nvgpu.
Duplicate some structures as needed.
Update header guards and such accordingly.
Change-Id: Ifc3a867713072bae70256502735583ab38381877
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/542620
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Remove functions that are not used in gk20a allocator.
Bug 1523403
Change-Id: I36b2b236258d61602cb3283b59c43b40f237d514
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/432174
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This patch moves the NVIDIA GPU driver to a new location.
Bug 1482562
Change-Id: I24293810b9d0f1504fd9be00135e21dad656ccb6
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/383722
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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