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gpu: nvgpu: avoid dereferencing gr in acr

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Added utility function to get gr falcon pointer to avoid direct
de-referencing gr in acr.

struct nvgpu_gr_falcon *nvgpu_gr_get_falcon_ptr(struct gk20a *g);

JIRA NVGPU-3168

Change-Id: I8f05cdbcd5d3e52c585df54f93cf065685733e5d
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2114214
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2019-05-07 18:05:59 -07:00
committed by mobile promotions
parent 47f652e0f9
commit 21f04a94af
6 changed files with 84 additions and 12 deletions
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31
drivers/gpu/nvgpu/include/nvgpu/gr/gr_utils.h Normal file
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/*
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef NVGPU_GR_UTILS_H
#define NVGPU_GR_UTILS_H
struct gk20a;
struct nvgpu_gr_falcon;
struct nvgpu_gr_falcon *nvgpu_gr_get_falcon_ptr(struct gk20a *g);
#endif /* NVGPU_GR_UTILS_H */