| Commit message (Collapse) | Author | Age |
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Move the gm20b HW headers to a new directory specially for them:
include/nvgpu/hw/gm20b
And change the code to include like so:
#include <nvgpu/hw/gm20b/hw_fb_gm20b.h>
This is part of the process to restructure the nvgpu driver.
Bug 1799159
Change-Id: I0765e2f6bcd5aa1e803efd250056de3cf9bfa7ed
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1244791
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Reorganize the HW headers of gk20a. The headers are moved to a
new directory:
include/nvgpu/hw/gk20a
And from the code are included like so:
#include <nvgpu/hw/gk20a/hw_pwr_gk20a.h>
This is the first step in reorganizing all of the HW headers for
gm20b, gm206, etc. This is part of a larger effort to re-structure
and make the driver more readable and scalable.
Bug 1799159
Change-Id: Ic151155cbc2e6f75009f2d9d597b364a1bed2c4c
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1244790
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Fix small problems related to signed versus unsigned comparisons
throughout the driver. Bump up the warning level to prevent such
problems from occuring in future.
Change-Id: I8ff5efb419f664e8a2aedadd6515ae4d18502ae0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1252068
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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is_fmodel flag will be set in gk20a_probe().
Updated code for is_fmodel check, instead of
check for supported simulated platforms.
Bug 1735760
Change-Id: I7cbac2196130fe5ce4c1a910504879e6948c13da
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: http://git-master/r/1177869
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Adeel Raza <araza@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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Setting max_ways_evict reserves some of L2 for CB. In gk20a CB is in
dedicated RAM, so we don't need to reserve space for it.
The code gets invoked only on gk20a.
Change-Id: Ib8efec8c5e90c135bd0c10bb1eaa3f797ec68698
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1144993
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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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Use struct device instead of struct platform_device wherever
possible. This allows adding other bus types later.
Change-Id: I1657287a68d85a542cdbdd8a00d1902c3d6e00ed
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120466
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Illegal comptag interrupt is triggered when a page is mapped with
two different kinds with incompatible compression status. This can
be intentional, so disable the interrupt.
Change-Id: I84a212beac147991d09d2d381a9e770b1364f4d8
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1029663
(cherry picked from commit 819607a768f9fccdd0b233d58bcf88b9eee4ee19)
Reviewed-on: http://git-master/r/1031010
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
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Restore comptags to be bitmap-allocated, like they were before we had
the buddy allocator.
The new buddy allocator introduced by
e99aa2485f8992eabe3556f3ebcb57bdc8ad91ff (originally
6ab2e0c49cb79ca68d2f83f1d4610783d2eaa79b) is fine for the big VAs, but
unsuitable for the small compbit store.
This commit reverts partially the combination of the above commit and
also one after it, 86fc7ec9a05999bea8de320840b962db3ee11410, that fixed
a bug which is not present when using a bitmap. With a bitmap allocator,
pruning the extra allocation necessary for user-mapped mode is possible,
so that is also restored.
The original generic bitmap allocator is not restored; instead, a
comptag-only allocator is introduced.
Bug 200145635
Change-Id: I87f3a911826a801124cfd21e44857dfab1c3f378
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/837180
(cherry picked from commit 5a504aeb54f3e89e6561932971158a397157b3f2)
Reviewed-on: http://git-master/r/839742
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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When flushing L2 do not check status of L2s not present in system.
Change-Id: I95703689314c146f591fea0d85b1a484fdf82cf7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/759267
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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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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Fix the return code for both gk20a_ and gm20b_ltc_cbc_ctrl()
functions. Before a positive return woudl always happen. Now,
if there's a timeout -EBUSY is returned.
Change-Id: Id76dc44af1376fceebf5043afb057c153cb0752e
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/729165
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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The flush timeout should have been comparing between the current
time (jiffies) not the snapshot in time when the L2 flush started.
Change-Id: Idba0ccbfeeab9e3fadd0b5bed7073acefbd403e3
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/729090
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-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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Reduce amount of duplicate code around memory allocation by using
common helpers, and common data structure for storing results of
allocations.
Bug 1605769
Change-Id: I7c1662b669ed8c86465254f6001e536141051ee5
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/720435
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Use busy looping for l2 tag flush and elpg flush
operations. This is making total flash time more
accurate and reduced overall time compared with
usleep. Also added trace points to measure
performance for these operations.
Also corrected timeout error check for non-silicon
platforms.
Bug 200081799
Change-Id: I63410bb7528db9258501633996fbdee5fdec1c74
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/710472
(cherry picked from commit 18684cf9d5d6870a1a1fd5711c4fc2d733caad20)
Reviewed-on: http://git-master/r/710986
GVS: Gerrit_Virtual_Submit
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Compression page size varies depending on architecture. Make it
129kB on gk20a and gm20b.
Also export some common functions from gm20b.
Bug 1592495
Change-Id: Ifb1c5b15d25fa961dab097021080055fc385fecd
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/673790
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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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Fix below sparse warnings :
warning: Using plain integer as NULL pointer
warning: symbol <variable/funcion> was not declared. Should it be static?
warning: Initializer entry defined twice
Also, remove dead functions
Bug 1573254
Change-Id: I29d71ecc01c841233cf6b26c9088ca8874773469
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/593363
Reviewed-by: Amit Sharma (SW-TEGRA) <amisharma@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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This reverts commit 41b82e97164138f45fbdaef6ab6939d82ca9419e.
Change-Id: Iabd01fcb124e0d22cd9be62151a6552cbb27fc94
Signed-off-by: Sam Payne <spayne@nvidia.com>
Reviewed-on: http://git-master/r/592221
Tested-by: Hoang Pham <hopham@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mitch Luban <mluban@nvidia.com>
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Convert GR and LTC HALs to use const structs, and initialize them
with macros.
Bug 1567274
Change-Id: Ia3f24a5eccb27578d9cba69755f636818d11275c
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/590371
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gk20a and gm20b calculate L2 size with different parameters. Split
the function for calculating size so that it does not query GPU id.
Bug 1567274
Change-Id: I09510c1bf0286c9df125d74e51df322c32bde646
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Fix build warnings by removing the unused variables, functions and
duplicated code.
Enable -Werror to prevent new build warnings.
Change-Id: Ifd73344a6e12497e6dca595ac7a6edd7ca698f88
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/497374
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
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Disable illegal compstat access interrupt. We access compstat backing
store to handle CDE swizzling.
Also change the magic number for evicted_cb to use a generated value.
Change-Id: I79b299abbffcb90497690ba4fc55d8517a3dbd87
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/496444
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-by: Jussi Rasanen <jrasanen@nvidia.com>
Tested-by: Jussi Rasanen <jrasanen@nvidia.com>
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Fix order of calculation for max comptag line calculation.
Bug 1549451
Change-Id: I13bf657f0f0b8aafa4d64dacacb74d7224fed379
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/494657
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
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Fix L2 error processing to look into interrupts in each L2 and slice.
Enable L2 error interrupts.
Bug 1549451
Change-Id: If6dd77f1333426a10b6a148c9432c12df8d879c7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/494656
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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LTC interrputs were set to random values at boot. For now, disable
all interrupts.
Change-Id: Ibb032cac91d3ea9a951fd8c2eb62a783af5bd1a1
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/482639
Reviewed-by: Lauri Peltonen <lpeltonen@nvidia.com>
Tested-by: Lauri Peltonen <lpeltonen@nvidia.com>
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Current implementation is based on config GK20A_PHYS_PAGE_TABLES
to have APIs to create/free/map/unmap phys pages
Remove this config based implementaion and move the APIs so that
they are called at runtime based on tegra_platform_is_linsim()
In generic APIs, we first check if platform is linsim and if it
is then we forward the call to phys page specific APIs
Change-Id: I23eb6fa6a46b804441f18fc37e2390d938d62515
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/488843
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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Calculation for comptag backing store must use number of LTCs instead
of number of FBPs.
Change-Id: If0aa636e09a3d24459987e626fe53bb7c96f1b15
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/453809
Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Change-Id: Ia780e6a7cb3579f0d6ed2dca9949a349799535fd
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/448115
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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gm20b_ltc_cbc_ctrl sent the wrong register value to
clear the CBC.
Bug 1507804
Change-Id: Ib0d867a122466e50cb15fef3b320fb2ee8455ef2
Signed-off-by: Wei Sun <wsun@nvidia.com>
Reviewed-on: http://git-master/r/435297
Reviewed-by: Kevin Huang (Eng-SW) <kevinh@nvidia.com>
Tested-by: Kevin Huang (Eng-SW) <kevinh@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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We broadcast CBC operation to all LTCs, but we wait for only one
to finish.
Bug 1507804
Change-Id: Ib10aa5fe3a34b31862b2d5162c77441f7444a7ba
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/428123
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Add a timeout mechanism to the L2 flushing code for gm20b.
Previously the code could spin forever in a loop if some
issue were to occur with the L2 causing the flush to fail.
Change-Id: I742c7671bac92aeb8e9674c43d30c45b2de4a836
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/423842
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Implement a full L2 flush (clean and invalidate) for gm20b in
the fifo recovery path.
Bug 1512176
Change-Id: Ibf89ede9cca65a6868ebff89825869053302a007
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/416435
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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When exiting rail gate, we reloaded default ZBC values. The correct
behavior is to reload the values.
Bug 1447255
Change-Id: I7aad3586dda91a91a3629062a27001af281b955e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/418346
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For GM20B alone, the LTC count is already accounted for the HW logic
for the CBC base calculation from the postDivide address. So SW
doesn't have to explicity divide it by the LTC count in the postDivide
address calculation.
Bug 1477079
Change-Id: I558bbe66bbcfb7edfa21210d0dc22c6170149260
Signed-off-by: Kevin Huang <kevinh@nvidia.com>
Reviewed-on: http://git-master/r/414264
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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ELPG flush is initiated from a common broadcast register, but must be
waited on via per-L2 registers. Split gk20a and gm20b versions of
the flush.
Change-Id: I75c2d65e8da311b50d35bee70308b60464ec2d4d
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/401545
Reviewed-by: Automatic_Commit_Validation_User
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Bug 1507804
Change-Id: Ic58e21f4d995cf4f4fc7bb5fc6ec84a6c4d25d46
Signed-off-by: Kevin Huang <kevinh@nvidia.com>
Reviewed-on: http://git-master/r/403214
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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CBC frontdoor access works incorrectly in the simulator if CBC
is allocated from IOVA. This patch makes CBC allocation to happen
from physical memory if are running in simulator.
Bug 1409151
Change-Id: Ide08f4eab6911adc5737001c6d751ee227fec8f9
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/401544
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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the CBC clean and invalidate is done for gk20a for bug 1409151, now
it's time to do the same fo gm20b. the text of this change is
strictly copied from gk20a, simply to make build pass.
Change-Id: Id717cb1e2ca0fa3f8483c3fd40d7629a9cc85ec9
Signed-off-by: Bo Yan <byan@nvidia.com>
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this moves GM20B driver to the new location
Change-Id: I5fde14e114a8db79738a4c61849912b1ae225fb5
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