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Yifan Zhang 431d071286 drm/amdgpu/mes: only invalid/prime icache when finish loading both pipe MES FWs. 
invalid/prime icahce operation takes effect both pipes cuconrrently,
therefore CP_MES_IC_BASE_LO/HI and CP_MES_MDBASE_LO/HI both have to be
set before prime icache. Otherwise MES hardware gets garbage data in
above regsters and causes page fault

[  470.873200] amdgpu 0000:33:00.0: amdgpu: [gfxhub] page fault (src_id:0 ring:217 vmid:0 pasid:0, for process  pid 0 thread  pid 0)
[  470.873222] amdgpu 0000:33:00.0: amdgpu:   in page starting at address 0x000092cb89b00000 from client 10
[  470.873234] amdgpu 0000:33:00.0: amdgpu: GCVM_L2_PROTECTION_FAULT_STATUS:0x00000BB3
[  470.873242] amdgpu 0000:33:00.0: amdgpu:      Faulty UTCL2 client ID: CPC (0x5)
[  470.873247] amdgpu 0000:33:00.0: amdgpu:      MORE_FAULTS: 0x1
[  470.873251] amdgpu 0000:33:00.0: amdgpu:      WALKER_ERROR: 0x1
[  470.873256] amdgpu 0000:33:00.0: amdgpu:      PERMISSION_FAULTS: 0xb
[  470.873260] amdgpu 0000:33:00.0: amdgpu:      MAPPING_ERROR: 0x1
[  470.873264] amdgpu 0000:33:00.0: amdgpu:      RW: 0x0

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-06-08 15:39:16 -04:00
arch Merge tag 'drm-intel-next-2022-05-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next 2022-05-11 11:00:15 +10:00
block bfq: Fix warning in bfqq_request_over_limit() 2022-04-29 06:45:37 -06:00
certs
crypto
Documentation A device tree binding change for Rockchip VOP2 2022-05-20 16:33:34 +10:00
drivers drm/amdgpu/mes: only invalid/prime icache when finish loading both pipe MES FWs. 2022-06-08 15:39:16 -04:00
fs Driver core fixes for 5.18-rc5 2022-04-30 10:24:21 -07:00
include drm/amdgpu: add AMDGPU_VM_NOALLOC v2 2022-05-26 14:56:34 -04:00
init
ipc
kernel Linux 5.18-rc5 2022-05-03 16:08:48 +10:00
lib - A fix to disable PCI/MSI[-X] masking for XEN_HVM guests as that is 2022-05-01 10:03:36 -07:00
LICENSES
mm kasan: prevent cpu_quarantine corruption when CPU offline and cache shrink occur at same time 2022-04-27 13:28:48 -07:00
net A fix for a NULL dereference that turns out to be easily triggerable 2022-04-29 14:37:35 -07:00
samples vfio/mdev: Remove mdev_parent_ops 2022-04-21 07:36:56 -04:00
scripts
security
sound ALSA: hda/realtek: Add quirk for Clevo NP70PNP 2022-04-21 21:23:47 +02:00
tools - A fix to disable PCI/MSI[-X] masking for XEN_HVM guests as that is 2022-05-01 10:03:36 -07:00
usr
virt Merge branch 'kvm-fixes-for-5.18-rc5' into HEAD 2022-04-29 12:39:34 -04:00
.clang-format
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MAINTAINERS Merge tag 'drm-msm-next-2022-05-09' of https://gitlab.freedesktop.org/drm/msm into drm-next 2022-05-11 12:40:47 +10:00
Makefile Linux 5.18-rc5 2022-05-01 13:57:58 -07:00
README

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 Restructured Text 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.