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gpu: nvgpu: Device nodes creation as default

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This is creating GPU nodes by default.
If MIG enabled after probe then delete and recreate
the device nodes.

Bug 5084299

Change-Id: I9ce33e148ec13f29735db9d778f666dc02b64e66
Signed-off-by: Dinesh T <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3442428
(cherry picked from commit 5c59e4d3d5a7df6f49668995b62d7f67f57f0cc6)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3456076
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
This commit is contained in:
Dinesh T
2025-08-28 18:47:46 +00:00
committed by mobile promotions
parent 76db00b237
commit a4145c7b6e
3 changed files with 17 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/gpu/nvgpu/os/linux/driver_common.c
View File

@@ -1,18 +1,5 @@
/*
* Copyright (c) 2016-2024, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// SPDX-License-Identifier: GPL-2.0-only
// SPDX-FileCopyrightText: Copyright (c) 2016-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include <linux/reboot.h>
#include <nvgpu/errata.h>
@@ -507,16 +494,10 @@ int nvgpu_probe(struct gk20a *g,
*/
nvgpu_read_support_gpu_tools(g);
/*
* TODO: While removing the legacy nodes the following condition
* need to be removed.
*/
if (platform->platform_chip_id == TEGRA_210) {
err = gk20a_user_nodes_init(dev);
if (err)
return err;
l->dev_nodes_created = true;
}
err = gk20a_user_nodes_init(dev);
if (err)
return err;
l->dev_nodes_created = true;
/*
* Note that for runtime suspend to work the clocks have to be setup

6
drivers/gpu/nvgpu/os/linux/module.c
View File

@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
// SPDX-FileCopyrightText: Copyright (c) 2011-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// SPDX-FileCopyrightText: Copyright (c) 2011-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
/*
* GK20A Graphics
@@ -495,7 +495,9 @@ int gk20a_pm_finalize_poweron(struct device *dev)
goto done;
}
if (!l->dev_nodes_created) {
if ((!l->dev_nodes_created) ||
(nvgpu_grmgr_is_multi_gr_enabled(g))) {
gk20a_user_nodes_deinit(dev);
err = gk20a_user_nodes_init(dev);
if (err) {
goto done;

23
drivers/gpu/nvgpu/os/linux/vgpu/vgpu_common.c
View File

@@ -1,19 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-only
// SPDX-FileCopyrightText: Copyright (c) 2023-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
/*
* Linux common code for legacy VGPU and VF
*
* Copyright (c) 2023, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/dma-mapping.h>
@@ -27,7 +16,7 @@
#include <nvgpu/nvgpu_init.h>
#include <nvgpu/regops.h>
#include <nvgpu/soc.h>
#include <nvgpu/grmgr.h>
#include "vgpu_linux.h"
#include "common/vgpu/ivc/comm_vgpu.h"
#include "common/vgpu/init/init_vgpu.h"
@@ -167,7 +156,9 @@ int vgpu_pm_finalize_poweron(struct device *dev)
if (err)
goto done;
if (!l->dev_nodes_created) {
if ((!l->dev_nodes_created) ||
(nvgpu_grmgr_is_multi_gr_enabled(g))) {
gk20a_user_nodes_deinit(dev);
err = gk20a_user_nodes_init(dev);
if (err) {
goto done;