| Commit message (Collapse) | Author | Age |
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nvgpu_log/info/warn/err() internally add a \n to the end of the message.
Hence, callers should not include a \n at the end of the message. Doing
so results in duplicate \n being printed, which ends up creating empty
log messages. Remove the duplicate \n from all err/warn messages.
Bug 1928311
Change-Id: I99362c5327f36146f28ba63d4e68181589735c39
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-on: http://git-master/r/1487232
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Remove the VM init/de-init from the HAL and instead use a single
set of routines that init/de-init VMs. This prevents code divergence
between vGPUs and regular GPUs.
This patch also clears up the naming of the routines a little bit.
Since some VMs are used inplace and others are dynamically allocated
the APIs for freeing them were confusing. Also some free calls also
clean up an instance block (this is API abuse - but this is how it
currently exists).
The new API looks like this:
void __nvgpu_vm_remove(struct vm_gk20a *vm);
void nvgpu_vm_remove(struct vm_gk20a *vm);
void nvgpu_vm_remove_inst(struct vm_gk20a *vm,
struct nvgpu_mem *inst_block);
void nvgpu_vm_remove_vgpu(struct vm_gk20a *vm);
int nvgpu_init_vm(struct mm_gk20a *mm,
struct vm_gk20a *vm,
u32 big_page_size,
u64 low_hole,
u64 kernel_reserved,
u64 aperture_size,
bool big_pages,
bool userspace_managed,
char *name);
void nvgpu_deinit_vm(struct vm_gk20a *vm);
JIRA NVGPU-12
JIRA NVGPU-30
Change-Id: Ia4016384c54746bfbcaa4bdd0d29d03d5d7f7f1b
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1477747
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Refactor the API for initializing and cleaning up VMs.
This also involved moving a bunch of GMMU code out into the
gmmu code since part of initializing a VM involves initializing
the page tables for the VM.
JIRA NVGPU-12
JIRA NVGPU-30
Change-Id: I4710f08c26a6e39806f0762a35f6db5c94b64c50
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1477746
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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This function is an internal function to the VM manager that allocates
virtual memory space in the GVA allocator. It is unfortunately used in
the vGPU code, though. In any event, this patch cleans up and moves the
implementation of these functions into the VM common code.
JIRA NVGPU-12
JIRA NVGPU-30
Change-Id: I24a3d29b5fcb12615df27d2ac82891d1bacfe541
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1477745
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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The vm_reserve_va_node struct is essentially a special VM area that
can be used for sparse mappings and fixed mappings. The name of this
struct is somewhat confusing (as node is typically used for list
items). Though this struct is a part of a list it doesn't really
make sense to call this a list item since it's much more. Based on
that the struct has been renamed to nvgpu_vm_area to capture the
actual use of the struct more accurately.
This also moves all of the management code of vm areas to a new file
devoted solely to vm_area management.
Also add a brief overview of the VM architecture. This should help
other people follow along the hierachy of ownership and lifetimes in
the rather complex MM code.
JIRA NVGPU-12
JIRA NVGPU-30
Change-Id: If85e1cf868031d0dc265e7bed50b58a2aed2602e
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1477744
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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This patch begins splitting out the VM implementation from mm_gk20a.c and
moves it to common/linux/vm.c and common/mm/vm.c. This split is necessary
because the VM code has two portions: first, an interface for the OS
specific code to use (i.e userspace mappings), and second, a set of APIs
for the driver to use (init, cleanup, etc) which are not OS specific.
This is only the beginning of the split - there's still a lot of things
that need to be carefully moved around.
JIRA NVGPU-12
JIRA NVGPU-30
Change-Id: I3b57cba245d7daf9e4326a143b9c6217e0f28c96
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1477743
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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This patch begins the major rework of the GPU's virtual memory manager
(VMM). The VMM is the piece of code that handles the userspace interface
to buffers and their mappings into the GMMU. The core data structure is
the VM - for now still known as 'struct vm_gk20a'. Each one of these
structs represents one addres space to which channels or TSGs may bind
themselves to.
The VMM splits the interface up into two broad categories. First there's
the common, OS independent interfaces; and second there's the OS specific
interfaces.
OS independent
--------------
This is the code that manages the lifetime of VMs, the buffers inside
VMs (search, batch mapping) creation, destruction, etc.
OS Specific
-----------
This handles mapping of buffers represented as they are represented by
the OS (dma_buf's for example on Linux).
This patch is by no means complete. There's still Linux specific functions
scattered in ostensibly OS independent code. This is the first step. A
patch that rewrites everything in one go would simply be too big to
effectively review.
Instead the goal of this change is to simply separate out the basic
OS specific and OS agnostic interfaces into their own header files. The
next series of patches will start to pull the relevant implementations
into OS specific C files and common C files.
JIRA NVGPU-12
JIRA NVGPU-30
Change-Id: I242c7206047b6c769296226d855b7e44d5c4bfa8
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1464939
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Remove gk20a_platform dependencies from gk20a.h. This makes
gk20a_platform a Linux platform specific data structure. Add #include
for platform_gk20a.h in the source files that still depend on Linux.
JIRA NVGPU-16
Change-Id: Ib098accd34a1f5066eb8680c387f9b178169f3f0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1463547
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Make function as static to fix below
sparse warning:
- $TOP/kernel/nvgpu/drivers/gpu/nvgpu/gk20a/mm_gk20a.c:3351:22:
warning: symbol '__get_pte_size_split_addr' was not declared. Should it be static?
Bug 200299572
Change-Id: I46b8608e3a520748e33b00fede2ce28d842899af
Signed-off-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-on: http://git-master/r/1482918
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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While fixing sparse warning:
- $TOP/kernel/nvgpu/drivers/gpu/nvgpu/gk20a/mm_gk20a.c:2586:6:
warning: symbol 'gk20a_gmmu_unmap' was not declared. Should it be static?
when gk20a_gmmu_unmap() is made static
compiler complained that it is not used.
Hence removing the unused function.
Bug 200299572
Change-Id: I9dcfb504d7f0f9b4d53eba59ecf53d05d5da0dbd
Signed-off-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-on: http://git-master/r/1482907
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
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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>
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nvgpu is being modularized for kernel-4.4 and newer kernels.
__alloc_fd() can't be used on modules as it is not exported.
So, use a wrapper tegra_fd_alloc() instead of __alloc_fd()
bug 200290850
Change-Id: I0e63307d429774440753698643ba7620c1e1f9f6
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/1469313
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Replace a couple of boolean fields in nvgpu_mem with bits in a
bitmap introduced in an earlier patch.
JIRA NVGPU-12
JIRA NVGPU-30
Change-Id: Iffc31bd629cab9a37e5a4fd13377eb9090353410
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1464079
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
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Move and rename the functions that build sgtables for nvgpu_mems into
the Linux specific DMA code.
One place outside of the Linux code do include the Linux DMA header.
That will be fixed in a subsequent patch.
JIRA NVGPU-12
JIRA NVGPU-30
Change-Id: Ie43c752b8f998f122af70f7c7eb727af0b0d98df
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1464078
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Hide the Linux specific nvgpu_mem fields so that in subsequent patches
core code can instead of using struct sg_table it can use mem_desc.
Routines for accessing system specific fields will be added as needed.
This is the first step in a fairly major overhaul of the GMMU mapping
routines. There are numerous issues with the current design (or lack
there of): massively coupled code, system dependencies, disorganization,
etc.
JIRA NVGPU-12
JIRA NVGPU-30
Change-Id: I2e7d3ae3a07468cfc17c1c642d28ed1b0952474d
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1464076
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add wrapper header file nvgpu/log2.h.
It #includes <linux/log2.h> in Linux.
JIRA NVGPU-13
Change-Id: Ie434e62f7ef2dce7692b1c2c12b4ad6453f1534a
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1464719
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Use platform agnostic delay functions instead of Linux kernel APIs.
This allows removing dependency to Linux header linux/delay.h. At the
same time remove #include lines for other unused Linux headers.
JIRA NVGPU-16
Change-Id: I46b9ccb80e0b67efb86ec85676e5a55ff835c0ec
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1460113
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Add wrapper header file nvgpu/bug.h. It #includes <linux/bug.h>
in Linux.
JIRA NVGPU-13
Change-Id: I7bf02ba554333f7cbd79d72bd1cb423c81ebcb49
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1461545
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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list node unmap_list in struct mapped_buffer_node
is unused and hence remove it
Jira NVGPU-13
Change-Id: Ie81a30691e45095ac72bd9ab8a8ebb88d5ea47c1
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1460577
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add nvgpu_* wrappers for determining if we're running in simulation
or silicon, and if we're running in hypervisor.
The new wrappers require struct gk20a pointer, and gk20a_fence_wait()
did not have access to one. Add struct gk20a pointer as the first
parameter.
JIRA NVGPU-16
Change-Id: I73b2b8f091ca29fb1827054abd2adaf583710331
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1331565
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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gk20a_err() and gk20a_warn() require a struct device pointer,
which is not portable across operating systems. The new nvgpu_err()
and nvgpu_warn() macros take struct gk20a pointer. Convert code
to use the more portable macros.
JIRA NVGPU-16
Change-Id: Ia51f36d94c5ce57a5a0ab83b3c83a6bce09e2d5c
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1331694
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
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Use nvgpu list APIs instead of linux list APIs
for to store buffer states in gk20a_dmabuf_priv.
Jira NVGPU-13
Change-Id: I9666b2435804b132bb86bb74c0b20590749b153f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1454689
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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Rename the nvgpu DMA APIs from gk20a_gmmu_alloc* to nvgpu_dma_alloc*.
This better reflects the purpose of the APIs (to allocate DMA suitable
memory) and avoids confusion with GMMU related code.
JIRA NVGPU-12
Change-Id: I673d607db56dd6e44f02008dc7b5293209ef67bf
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1325548
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Make an nvgpu DMA API include file so that the intricacies of the
Linux DMA API can be hidden from the calling code.
Also document the nvgpu DMA API.
JIRA NVGPU-12
Change-Id: I7578e4c726ad46344b7921179d95861858e9a27e
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1323326
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Renaming was done with the following command:
$ find -type f | \
xargs sed -i 's/struct mem_desc/struct nvgpu_mem/g'
Also rename mem_desc.[ch] to nvgpu_mem.[ch].
JIRA NVGPU-12
Change-Id: I69395758c22a56aa01e3dffbcded70a729bf559a
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1325547
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Rename the functions used for mem_desc access to nvgpu_mem_*.
JIRA NVGPU-12
Change-Id: Ibfdc1112d43f0a125e4487c250e3f977ffd2cd75
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1323325
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Split the mem_desc code out from the MM code. This is to help
simplify the MM code and make it easier to abstract the DMA
allocation routines.
JIRA NVGPU-12
Change-Id: I2ccb643efe6bbed80d1360a580ff5593acb407bd
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1323324
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Use nvgpu rbtree instead of linux rbtree to store
mapped buffers for each VM
Move to use "struct nvgpu_rbtree_node" instead of
"struct rb_node"
And similarly use rbtree APIs from <nvgpu/rbtree.h>
instead of linux APIs
Jira NVGPU-13
Change-Id: Id96ba76e20fa9ecad016cd5d5a6a7d40579a70f2
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1453043
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Replace the last of the Linux kmem API usage with nvgpu kmem
calls instead. Several places are left alone - allocating the
struct gk20a in particular.
Also one function was updated in the clk code to take a struct
gk20a as an argument so that it could use nvgpu_kmalloc().
Bug 1799159
Bug 1823380
Change-Id: I84fc3f8e19c63d6265bac6098dc727d93e3ff613
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1331702
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Commit 8f3875393e7a6bd0fc03afdb1fa99b7e33b71576 ("abstract away dma
alloc attrs") added an implicit NVGPU_DMA_NO_KERNEL_MAPPING for the
explicit vidmem buffer allocation path. The default allocation api that
chooses vidmem or sysmem based on available support still passed a zero
flag and produced a warning when the flag should have been there. Force
the NO_KERNEL_MAPPING flag on currently via the default-allocator api.
Commit 8a15e02ca92b83aa5a216ea9cd42680373212ecd ("gpu: nvgpu: add
NO_KERNEL_MAPPING for alloc_map_vid") did the same for flagless
alloc-and-map calls but this default alloc-only call got overlooked.
Also, store the flags in the mem_desc during allocation, just like in
the sysmem allocator, to be checked during freeing.
Bug 1896734
Bug 1853519
Change-Id: I4b4182b4fd52298bdd2a77197c095a23d2a67c4a
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1331252
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Use nvgpu list APIs instead of linux list APIs
for reserved VA list and buffer VA list
Jira NVGPU-13
Change-Id: I83c02345d54bca03b00270563567227510cfce6b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1454013
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Use nvgpu list APIs instead of linux list APIs
for vidmem clear list
Jira NVGPU-13
Change-Id: I13f7c5a54fb199d15ad1402216f3275f0f0474af
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1454012
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Use nvgpu list APIs instead of linux list APIs
to store chunks of page allocator
Jira NVGPU-13
Change-Id: I63375fc2df683e018c48a90b76eca368438cc32f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1326814
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Split out the pramin interface code in preparation for splitting
out the mem_desc code.
JIRA NVGPU-12
Change-Id: I3f03447ea213cc15669b0934fa706e7cb22599b7
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1323323
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Use the new kmem API functions in gk20a's mm code. Add a struct
gk20a pointer to the dmabuf priv struct so that the cleanup
function has access to the gk20a struct. Also add a gk20a pointer
to some of the sg table functions so that they can use the nvgpu
kmem APIs.
Bug 1799159
Bug 1823380
Change-Id: I85a307c6bf862627c5b1af0e077283b48d78fa72
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1318321
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Move the name field from struct gpu_ops up to struct gk20a. The field
is not a function op, so it doesn't belong in gpu_ops.
Replace all uses of dev_name() with use of g->name when possible.
JIRA NVGPU-16
Change-Id: Ic6e99e39258cbf3bb7c806962cbbd7de5126688f
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1328534
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Commit 8f3875393e7a6bd0fc03afdb1fa99b7e33b71576 ("abstract away dma
alloc attrs") added an implicit NVGPU_DMA_NO_KERNEL_MAPPING for the
function that allocates vidmem buffers, but the functions
gk20a_gmmu_alloc_map_vid and gk20a_gmmu_alloc_map got overlooked and use
no flags which now triggers a warning. Make those cases alloc the
vidmem buffer with the no kernel mapping flag as it should have been,
because kernel mappings of vidmem are not supported.
Bug 1853519
Change-Id: I9f29c9d310f97c9bd5f279674decf61efb3e75ea
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1328953
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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There were still a few remaining loops where we did not use
nvgpu_timeout and required Tegra specific functions for detecting if
timeout should be skipped. Replace all of them with nvgpu_timeout and
remove including chip-id.h where possible.
FE power mode timeout loop also used wrong delay value. It always
waited for the whole max timeout instead of looping with smaller
increments.
If SEC2 ACR boot fails to halt, we should not try to check ACR result
from mailbox. Add an early return for that case.
JIRA NVGPU-16
Change-Id: I9f0984250d7d01785755338e39822e6631dcaa5a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1323227
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This change refactors the teardown in remove to ensure that it is
possible to unload the driver while leaving fds open. This is achieved
by making sure that the SW state is kept alive till all fds are closed
and by checking that subsequent calls to ioctls after the teardown fail.
Normally, this would be achieved ny calls into gk20a_busy(), but in
kickoff we dont call into that to reduce latency, so we need to check
the driver status directly, and also in some of the functions
as we need to make sure the ioctl does not dereference the device or
platform struct
bug 200277762
JIRA: EVLR-1023
Change-Id: I163e47a08c29d4d5b3ab79f0eb531ef234f40bde
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1320219
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Shreshtha Sahu <ssahu@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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All GPUs have a copy engine. So delete the flag has_ce, because
it's always true.
JIRA NVGPU-16
Change-Id: I89db74c7cf66b24db84301b79832862ef28100b9
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1325355
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add bus HAL and move all bus related hardware sequencing to that file:
BAR1 binding, timer access, and interrupt handling.
Change-Id: Ibc5f5797dc338de10749b446a7bdbcae600fecb4
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1323353
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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This change is needed for t19x mmu fault handling.
Change-Id: I7f9190ab305f699401f6b0033b6a93dd8b4fc3cd
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: http://git-master/r/1315201
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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On kernel 4.9, the DMA API has changed, so use the NVIDIA compatibility
wrappers from dma-attrs.h to allow the code to build for both 4.4 and
4.9.
Bug 1853519
Change-Id: I0196936e81c7f72b41b38a67f42af0dc0b5518df
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1321102
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Don't use enum dma_attr in the gk20a_gmmu_alloc_attr* functions, but
define nvgpu-internal flags for no kernel mapping, force contiguous, and
read only modes. Store the flags in the allocated struct mem_desc and
only use gk20a_gmmu_free, remove gk20a_gmmu_free_attr. This helps in OS
abstraction. Rename the notion of attr to flags.
Add implicit NVGPU_DMA_NO_KERNEL_MAPPING to all vidmem buffers
allocated via gk20a_gmmu_alloc_vid for consistency.
Fix a bug in gk20a_gmmu_alloc_map_attr that dropped the attr
parameter accidentally.
Bug 1853519
Change-Id: I1ff67dff9fc425457ae445ce4976a780eb4dcc9f
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1321101
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Move all programming of FB to fb_*.c files, and remove the inclusion
of FB hardware headers from other files.
TLB invalidate function took previously a pointer to VM, but the new
API takes only a PDB mem_desc, because FB does not need to know about
higher level VM.
GPC MMU is programmed from the same function as FB MMU, so added
dependency to GR hardware header to FB.
GP106 ACR was also triggering a VPR fetch, but that's not applicable
to dGPU, so removed that call.
Change-Id: I4eb69377ac3745da205907626cf60948b7c5392a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1321516
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Cancel the vidmem.clear_mem_worker during suspend only if vidmem is
enabled via kernel config. Otherwise it's not initialized.
Bug 1853519
Change-Id: If88c756ae14f348eddda01218fa218480217388c
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1321118
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: David Martinez Nieto <dmartineznie@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Remove unused function gk20a_get_phys_from_iova. At the same time
remove the #include for iommu.h, which was only needed by this
function.
Change-Id: Ia858b0ad5fe7e423d650aa9f82e430f419f2a492
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1319070
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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mm_gk20a.c had direct calls to pm_runtime_put_noidle(). Replace
them with calls to wrapper gk20a_idle_nosuspend() to prevent
unnecessary dependencies to Linux.
Change-Id: Iaf8b9255750be2f3e1aa39587c1a4a3cbeacc67f
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1319069
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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- check return value of nvgpu_mutex_init for semaphores
- add corresponding nvgpu_mutex_destroy calls
Jira NVGPU-13
Change-Id: I5404dbd29e3fce29f1a445eb2e6ce8e1d1b616c4
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1317138
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Navneet Kumar <navneetk@nvidia.com>
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Implement kmem abstraction and tracking in nvgpu. The abstraction
helps move nvgpu's core code away from being Linux dependent and
allows kmem allocation tracking to be done for Linux and any other
OS supported by nvgpu.
Bug 1799159
Bug 1823380
Change-Id: Ieaae4ca1bbd1d4db4a1546616ab8b9fc53a4079d
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1283828
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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