| Commit message (Collapse) | Author | Age |
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In nvgpu_linux_get_maxrate, if tegra_dvfs_get_maxrate
returns 0 (a sign that there is no dvfs support), call
nvgpu_clk_arb_get_arbiter_clk_range to get the max
gpu frequency.
Bug 200543218
Change-Id: I4f9bc0acaef98cd9dfa22f709656f4bb7e9fd349
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2215161
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Satish Arora <satisha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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In some cases, we would get deadlock issue due to there are two locks
acquisition on common clk driver's lock and nvgpu driver's locks. At
the bug, inconsistent lock ordering problem will come with one thread
gets "nvgpu lock -> clk lock" and the other thread gets "clk lock ->
nvgpu lock".
Slove the latter path with one-time initializing clk_parent entry
and use cached data afterward.
Bug 2555115
Change-Id: I31c5c2728f406307e7cfd4e555f4db0c163234d8
Signed-off-by: Jeremy Ho <jeremyh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2146727
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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This reverts commit e9a6d179a42e ("gpu: nvgpu: cache gpu clk rate")
- Real clock rate doesn't always equal clock rate requested by caller
- call of clk_set_rate() and update of cached_rate are not atomic
- Real root cause for Bug 2051688 is in bpmp and gboost design
Bug 2538692
Change-Id: I9248e0c69e2271ed2d0070587db59afa6f8160f2
Signed-off-by: Peng Liu <pengliu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2109708
(cherry picked from commit cc70f89bb4efd106b81c2da5ecd6cbeb69c990d8)
Reviewed-on: https://git-master.nvidia.com/r/2113647
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Aaron Tian <atian@nvidia.com>
Tested-by: Aaron Tian <atian@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add support for the measure_freq clock op for igpu:
- add nvgpu_clk_measure_freq(), which in turn calls
the get_rate() clock op.
- Initialize the measure_freq clock op to nvgpu_clk_measure_freq()
for native linux and vgpu.
JIRA ESRM-398
Change-Id: I8a3b2ee79e29e3491a16f55281494f05cd841b07
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1850585
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Nirav Patel <nipatel@nvidia.com>
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1) Update header path of gk20a.h files present in os/
to <nvgpu/gk20a.h>
2) os_fence_android_sema.c indirectly was dependent on gk20a.h via
semaphore.h. So, added #include <nvgpu/gk20a.h> in
os_fence_android_sema.c and replaced the header with forward
declaration of struct gk20a in semaphore.h
Jira NVGPU-597
Change-Id: I96e23befeb80713f3a399071eb5498f6f580211d
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1842868
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Expose the linux specific clock implementations via the HAL
interface to allow nvgpu to use the controls globally. This patch
does the following.
1) Implement a new ops interface and a corresponding linux specific
implementation for allowing nvgpu to iterate through a list of
available clock frequencies via nvgpu_linux_clk_get_f_points().
2) Implement nvgpu_linux_clk_get_range().
Bug 2061372
Change-Id: I7ce9a999dbdcd9fafcc84301af148545f6ca97a9
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1774280
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Move all Linux source code files to drivers/gpu/nvgpu/os/linux from
drivers/gpu/nvgpu/common/linux. This changes the meaning of common
to be OS independent.
JIRA NVGPU-598
JIRA NVGPU-601
Change-Id: Ib7f2a43d3688bb0d0b7dcc48469a6783fd988ce9
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1747714
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