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We right now allocate a nvgpu managed syncpoint in c->sync and share
that with user space
But to avoid conflicts between user space and kernel space increments
allocate a separate "client managed" syncpoint for User space in c->user_sync
Add new API nvgpu_nvhost_get_syncpt_client_managed() to request a client managed
syncpoint from nvhost.
Note that nvhost/nvgpu do not keep track of MAX/threshold value of this syncpoint
Update gk20a_channel_syncpt_create() to receive a flag to indicate whether a
User space syncpoint is required or not
Unset NVGPU_SUPPORT_USER_SYNCPOINT for gp10b since we don't want to allocate
double syncpoints per channel on that platform
For gv11b, once we move to use user space submits, support for c->sync will be
dropped so we keep using only one syncpoint per channel
Bug 200326065
Jira NVGPU-179
Change-Id: I78d94de4276db1c897ea2a4fe4c2db8b2a179722
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1665828
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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>
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Add new user API NVGPU_IOCTL_CHANNEL_GET_USER_SYNCPOINT which will expose
per-channel allocated syncpoint to user space
API will also return current value of the syncpoint
On supported platforms, this API will also return a RW semaphore address
(corresponding to syncpoint shim) to user space
Add new characteristics flag NVGPU_GPU_FLAGS_SUPPORT_USER_SYNCPOINT to indicate
support for this new API
Add new flag NVGPU_SUPPORT_USER_SYNCPOINT for use of core driver
Set this flag for GV11B and GP10B for now
Add a new API (*syncpt_address) in struct gk20a_channel_sync to get GPU_VA
address of a syncpoint
Add new API nvgpu_nvhost_syncpt_read_maxval() which will read and return MAX
value of syncpoint
Bug 200326065
Jira NVGPU-179
Change-Id: I9da6f17b85996f4fc6731c0bf94fca6f3181c3e0
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1658009
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Make GPU characteristics flags specific to Linux code only. The
rest of driver is moved to using nvgpu_is_enabled() API.
JIRA NVGPU-259
Change-Id: I2faf46ef64c964361c267887b28c9d19806d6d51
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1583876
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Change license of OS independent source code files to MIT.
JIRA NVGPU-218
Change-Id: I1474065f4b552112786974a16cdf076c5179540e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1565880
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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NVGPU_SUBMIT_GPFIFO_FLAGS_RESCHEDULE_RUNLIST causes host to expire
current timeslice and reschedule from front of runlist.
This can be used with NVGPU_RUNLIST_INTERLEAVE_LEVEL_HIGH to make a
channel start sooner after submit rather than waiting for natural
timeslice expiration or block/finish of currently running channel.
Bug 1968813
Change-Id: I632e87c5f583a09ec8bf521dc73f595150abebb0
Signed-off-by: David Li <davli@nvidia.com>
Reviewed-on: http://git-master/r/#/c/1537198
Reviewed-on: https://git-master.nvidia.com/r/1537198
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Make function as static to fix
below sparse warning:
- $TOP/kernel/nvgpu/drivers/gpu/nvgpu/gp10b/gp10b.c:105:5:
warning: symbol 'gp10b_init_gpu_characteristics' was not declared. Should it be static?
Bug 200299572
Change-Id: I50a54ac611cacdf2a787aedc91014abd047db8b8
Signed-off-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-on: http://git-master/r/1482934
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Amit Sharma (SW-TEGRA) <amisharma@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
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Move the gp10b HW headers to a new directory specially for them:
include/nvgpu/hw/gp10b
And change the code to include like so:
#include <nvgpu/hw/gp10b/hw_fb_gp10b.h>
This is part of the process to restructure the nvgpu driver.
Bug 1799159
Change-Id: Ic80ea5b7f5c280839e502e2178a345181f7a7ef9
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1280326
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Determine ECC-enabled units for GP10B by reading fuses/registers.
Bug 1637486
Change-Id: I6431709e3c405d6156dd96438df14d4054b48644
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: http://git-master/r/780992
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120463
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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