RE: [PATCH 1/3] drm/amd/pm/smu11: BACO is supported when it's in BACO state

ginal Message- From: Bjorn Helgaas Sent: Wednesday, December 28, 2022 2:24 AM To: Chen, Guchun Cc: amd-gfx@lists.freedesktop.org; Deucher, Alexander ; Zhang, Hawking ; Lazar, Lijo ; Quan, Evan ; Stefan Roese ; linux-...@vger.kernel.org Subject: Re: [PATCH 1/3] drm/amd/pm/smu11: BACO is supp

Re: [PATCH 1/3] drm/amd/pm/smu11: BACO is supported when it's in BACO state

[+cc Stefan, linux-pci] On Wed, Nov 23, 2022 at 09:43:07AM +0800, Guchun Chen wrote: > Return true early if ASIC is in BACO state already, no need > to talk to SMU. It can fix the issue that driver was not > calling BACO exit at all in runtime pm resume, and a timing > issue leading to a PCI AER e

[PATCH 1/3] drm/amd/pm/smu11: BACO is supported when it's in BACO state

Return true early if ASIC is in BACO state already, no need to talk to SMU. It can fix the issue that driver was not calling BACO exit at all in runtime pm resume, and a timing issue leading to a PCI AER error happened eventually. Fixes: 8795e182b02d ("PCI/portdrv: Don't disable AER reporting in