| Commit message (Collapse) | Author | Age |
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This CL covers the following simple modification,
1) Linux kernel list implementation doesn't handle NULL pointer dereference
at list_del() api.
2) NULL validation before access the command buffer related operations.
This required for prevent the illegal/NULL memory access during
gk20a_ce_create_context_with_cb() failure case.
JIRA DNVGPU-53
Change-Id: I3ad178970ecb1485098124378bfc5256a9455ebd
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1184294
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Use the nvgpu-internal buddy allocator for video memory allocations,
instead of nvmap. This allows better integration for copyengine, BAR1
mapping to userspace, etc.
Jira DNVGPU-38
Change-Id: I9fd67b76cd39721e4cd8e525ad0ed76f497e8b99
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1181151
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Added interface to allow kernel to create privileged CE channels for
page migration and clearing support between sysmem and videmem.
JIRA DNVGPU-53
Change-Id: I3e18d18403809c9e64fa45d40b6c4e3844992506
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1173085
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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This CL covers the following modification,
1) Added multiple engine_info support
2) Added multiple runlist_info support
3) Initial changes for ASYNC CE support
4) Added ASYNC CE interrupt handling support
for gm206 GPU family
5) Added generic mechanism to identify the
CE engine pri_base address for gm206
(CE0, CE1 and CE2)
6) Removed hard coded engine_id logic and
made generic way
7) Code cleanup for readability
JIRA DNVGPU-26
Change-Id: I2c3846c40bcc8d10c2dfb225caa4105fc9123b65
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1155963
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Move per-chip constants to be returned by a chip specific function.
Implement get_litter_value() for each chip.
Change-Id: I2a2730fce14010924d2507f6fa15cc2ea0795113
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1121383
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Post EVENT_ID_BPT_INT when bpt.int is pending
Post EVENT_ID_BPT_PAUSE when bpt.pause is pending
Post EVENT_ID_BLOCKING_SYNC whenever there is
non-stalling semaphore interrupt indicating work
completion from GR/CE2 engine
Bug 200089620
Change-Id: I91b7bf48f8585f0d318298fc0c4a66d42055f0a7
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1112274
(cherry picked from commit d2b744b1f9acac56435cd7e7ab9a7a845579ef24)
Reviewed-on: http://git-master/r/1120321
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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In gk20a_ce2_nonstall_isr(), we first invoke semaphore workqueue
on all channels and then clear the interrupt
This delay in clearing the interrupt can sometimes lead to
dropping of new interrupt
If that happens, we never invoke gk20a_channel_semaphore_wakeup()
for new semaphore interrupts and semaphore waiting
never completes.
Fix this by moving gk20a_channel_semaphore_wakeup() after
we clear the interrupt
Bug 200131938
Change-Id: I26d72f04a8b49f4a3ac326bf6037cd04c741a920
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/784771
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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ce2 interrupts enabled only on gk20a and gm20b when
interrupts are handled through hal
Change-Id: Ib570db8f5f41e71e768b95e781153ec8a5d20015
Signed-off-by: Sam Payne <spayne@nvidia.com>
Reviewed-on: http://git-master/r/677447
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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enables non-blocking interrupts in ce2 all other
ce2 interrupts are cleared and not handled.
bug 200036089
Change-Id: I9f47b06c677c72ac523019e6a3f70fedd07830a2
Signed-off-by: Sam Payne <spayne@nvidia.com>
Reviewed-on: http://git-master/r/671783
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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