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Xiang Liu e6ac2b8e13 drm/amdgpu: Fix vcn v4.0.3 poison irq call trace on sriov guest 
[ Upstream commit 58364f01db ]

Sriov guest side doesn't init ras feature hence the poison irq shouldn't
be put during hw fini.

[25209.468816] Call Trace:
[25209.468817]  <TASK>
[25209.468818]  ? srso_alias_return_thunk+0x5/0x7f
[25209.468820]  ? show_trace_log_lvl+0x28e/0x2ea
[25209.468822]  ? show_trace_log_lvl+0x28e/0x2ea
[25209.468825]  ? vcn_v4_0_3_hw_fini+0xaf/0xe0 [amdgpu]
[25209.468936]  ? show_regs.part.0+0x23/0x29
[25209.468939]  ? show_regs.cold+0x8/0xd
[25209.468940]  ? amdgpu_irq_put+0x9e/0xc0 [amdgpu]
[25209.469038]  ? __warn+0x8c/0x100
[25209.469040]  ? amdgpu_irq_put+0x9e/0xc0 [amdgpu]
[25209.469135]  ? report_bug+0xa4/0xd0
[25209.469138]  ? handle_bug+0x39/0x90
[25209.469140]  ? exc_invalid_op+0x19/0x70
[25209.469142]  ? asm_exc_invalid_op+0x1b/0x20
[25209.469146]  ? amdgpu_irq_put+0x9e/0xc0 [amdgpu]
[25209.469241]  vcn_v4_0_3_hw_fini+0xaf/0xe0 [amdgpu]
[25209.469343]  amdgpu_ip_block_hw_fini+0x34/0x61 [amdgpu]
[25209.469511]  amdgpu_device_fini_hw+0x3b3/0x467 [amdgpu]

Fixes: 4c4a891496 ("drm/amdgpu: Register aqua vanjaram vcn poison irq")
Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Stanley.Yang <Stanley.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-10-15 12:03:40 +02:00
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README 

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.