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drm/tegra: Don't print error on probe defer

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The following error messages are sometimes observed on boot ...

 tegra-nvjpg 15380000.nvjpg: failed to get icc write handle
 tegra-nvdec 15480000.nvdec: failed to get icc write handle
 tegra-nvjpg 15540000.nvjpg: failed to get icc write handle
 tegra-nvenc 154c0000.nvenc: failed to get icc write handle
 tegra-vic 15340000.vic: failed to get icc write handle
 tegra-nvjpg 15380000.nvjpg: failed to get icc write handle

The above messages are harmless because the ICC core is returning
-EPROBE_DEFER to indicate that the ICC provider is not available. When
-EPROBE_DEFER is returned the kernel will attempt to probe the device
again and so print an error on -EPROBE_DEFER can be misleading. Fix the
above by using the function dev_err_probe() to print error messages
because this function will only print an error message if the error code
is not -EPROBE_DEFER.

Bug 3436156
Bug 4496044

Change-Id: I47b77e5a0f2bdb817a832daa305246c8803f456b
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3075237
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Jon Hunter
2024-02-12 15:07:41 +00:00
committed by mobile promotions
parent 518ae94bb4
commit 61319aef4d
4 changed files with 16 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/tegra/nvdec.c
View File

@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* SPDX-FileCopyrightText: Copyright (c) 2015-2023, NVIDIA CORPORATION & AFFILIATES. All Rights Reserved.
* SPDX-FileCopyrightText: Copyright (c) 2015-2024, NVIDIA CORPORATION & AFFILIATES. All Rights Reserved.
*/
#include <linux/bitops.h>
@@ -804,10 +804,9 @@ static int nvdec_probe(struct platform_device *pdev)
}
nvdec->icc_write = devm_of_icc_get(dev, "write");
if (IS_ERR(nvdec->icc_write)) {
dev_err(&pdev->dev, "failed to get icc write handle\n");
return PTR_ERR(nvdec->icc_write);
}
if (IS_ERR(nvdec->icc_write))
return dev_err_probe(&pdev->dev, PTR_ERR(nvdec->icc_write),
"failed to get icc write handle\n");
platform_set_drvdata(pdev, nvdec);

9
drivers/gpu/drm/tegra/nvenc.c
View File

@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* SPDX-FileCopyrightText: Copyright (c) 2021-2023, NVIDIA CORPORATION & AFFILIATES. All Rights Reserved.
* SPDX-FileCopyrightText: Copyright (c) 2021-2024, NVIDIA CORPORATION & AFFILIATES. All Rights Reserved.
*/
#include <linux/bitops.h>
@@ -670,10 +670,9 @@ static int nvenc_probe(struct platform_device *pdev)
return err;
nvenc->icc_write = devm_of_icc_get(dev, "write");
if (IS_ERR(nvenc->icc_write)) {
dev_err(&pdev->dev, "failed to get icc write handle\n");
return PTR_ERR(nvenc->icc_write);
}
if (IS_ERR(nvenc->icc_write))
return dev_err_probe(&pdev->dev, PTR_ERR(nvenc->icc_write),
"failed to get icc write handle\n");
platform_set_drvdata(pdev, nvenc);

9
drivers/gpu/drm/tegra/nvjpg.c
View File

@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2021-2023, NVIDIA CORPORATION & AFFILIATES. All Rights Reserved.
* SPDX-FileCopyrightText: Copyright (c) 2021-2024, NVIDIA CORPORATION & AFFILIATES. All Rights Reserved.
*/
#include <linux/bitops.h>
@@ -655,10 +655,9 @@ static int nvjpg_probe(struct platform_device *pdev)
return err;
nvjpg->icc_write = devm_of_icc_get(dev, "write");
if (IS_ERR(nvjpg->icc_write)) {
dev_err(&pdev->dev, "failed to get icc write handle\n");
return PTR_ERR(nvjpg->icc_write);
}
if (IS_ERR(nvjpg->icc_write))
return dev_err_probe(&pdev->dev, PTR_ERR(nvjpg->icc_write),
"failed to get icc write handle\n");
platform_set_drvdata(pdev, nvjpg);

9
drivers/gpu/drm/tegra/vic.c
View File

@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* SPDX-FileCopyrightText: Copyright (C) 2015-2023 NVIDIA CORPORATION. All rights reserved.
* SPDX-FileCopyrightText: Copyright (C) 2015-2024 NVIDIA CORPORATION. All rights reserved.
*/
#include <linux/bitops.h>
@@ -723,10 +723,9 @@ static int vic_probe(struct platform_device *pdev)
}
vic->icc_write = devm_of_icc_get(dev, "write");
if (IS_ERR(vic->icc_write)) {
dev_err(&pdev->dev, "failed to get icc write handle\n");
return PTR_ERR(vic->icc_write);
}
if (IS_ERR(vic->icc_write))
return dev_err_probe(&pdev->dev, PTR_ERR(vic->icc_write),
"failed to get icc write handle\n");
if (!dev->pm_domain) {
vic->rst = devm_reset_control_get(dev, "vic");