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91efe6de70
This mirrors what the driver does for older DCN generations.
Should fix:
[ 26.924055] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306
[ 26.924060] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1022, name: modprobe
[ 26.924063] preempt_count: 2, expected: 0
[ 26.924064] RCU nest depth: 0, expected: 0
[ 26.924066] Preemption disabled at:
[ 26.924067] [<ffffffffc089e5e0>] dc_fpu_begin+0x30/0xd0 [amdgpu]
[ 26.924322] CPU: 9 PID: 1022 Comm: modprobe Not tainted 6.8.0+ #20
[ 26.924325] Hardware name: System manufacturer System Product Name/CROSSHAIR VI HERO, BIOS 6302 10/23/2018
[ 26.924326] Call Trace:
[ 26.924327] <TASK>
[ 26.924329] dump_stack_lvl+0x37/0x50
[ 26.924333] ? dc_fpu_begin+0x30/0xd0 [amdgpu]
[ 26.924589] dump_stack+0x10/0x20
[ 26.924592] __might_resched+0x16a/0x1c0
[ 26.924596] __might_sleep+0x42/0x70
[ 26.924598] __kmalloc_node_track_caller+0x2ad/0x4b0
[ 26.924601] ? dm_helpers_allocate_gpu_mem+0x12/0x20 [amdgpu]
[ 26.924855] ? dcn401_update_bw_bounding_box+0x2a/0xf0 [amdgpu]
[ 26.925122] kmemdup+0x20/0x50
[ 26.925124] ? kernel_fpu_begin_mask+0x6b/0xe0
[ 26.925127] ? kmemdup+0x20/0x50
[ 26.925129] dcn401_update_bw_bounding_box+0x2a/0xf0 [amdgpu]
[ 26.925393] dc_create+0x311/0x670 [amdgpu]
[ 26.925649] amdgpu_dm_init+0x2aa/0x1fa0 [amdgpu]
[ 26.925903] ? irq_work_queue+0x38/0x50
[ 26.925907] ? vprintk_emit+0x1e7/0x270
[ 26.925910] ? dev_printk_emit+0x83/0xb0
[ 26.925914] ? amdgpu_device_rreg+0x17/0x20 [amdgpu]
[ 26.926133] dm_hw_init+0x14/0x30 [amdgpu]
v2: drop extra memcpy
Fixes:
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History
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.