[PATCH 0/5][SRU][OEM-5.17] Keeps rebooting with AMD W6400, W6600, and W6800 graphic cards

[AceLan Kao]

From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>

BugLink: https://launchpad.net/bugs/2000110

[Impact]
With AMD W6400, W6600, or W6800 graphic cards the system keeps rebooting
while entering graphics mode.

[Fix]
AMD provides a list of commits to fix this issue
1. drm/amdgpu: Remove ATC L2 access for MMHUB 2.1.x
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221107&id=d2c4c1569a7d7d5c8f75963bf2d62d7aeac30e2a
2. drm/amdgpu: Don't enable LTR if not supported
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221107&id=6c20490663553cd7e07d8de8af482012329ab9d6
3. Patch series: fix PCI AER issues
drm/amdgpu: make sure to init common IP before gmc
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221107&id=a8671493d2074950553da3cf07d1be43185ef6c6
drm/amdgpu: move nbio sdma_doorbell_range() into sdma code for vega
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221107&id=e3163bc8ffdfdb405e10530b140135b2ee487f89
drm/amdgpu: move nbio ih_doorbell_range() into ih code for vega
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221107&id=dc1d85cb790f2091eea074cee24a704b2d6c4a06
4. Disable amdgpu runpm, will have a update later.
https://patchwork.freedesktop.org/patch/507366/

[Test]
Verified on the machine with AMD graphic card, and confirmed the issue is gone.

[Where problems could occur]
The main idea is to disable BACO on those cards, the fix is quite
straightforward with 2 Fixes commits, have impact on limited cards.

Alex Deucher (1):
  drm/amdgpu: make sure to init common IP before gmc

Guchun Chen (3):
  drm/amd/pm: disable BACO entry/exit completely on several sienna
    cichlid cards
  drm/amdgpu: disable BACO on special BEIGE_GOBY card
  drm/amdgpu: disable BACO support on more cards

Lijo Lazar (1):
  drm/amdgpu: Remove ATC L2 access for MMHUB 2.1.x

 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c    | 14 ++++++++--
 drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c       | 28 ++++++-------------
 .../amd/pm/swsmu/smu11/sienna_cichlid_ppt.c   | 17 +++++++++++
 3 files changed, 36 insertions(+), 23 deletions(-)

-- 
2.34.1