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[82.192.244.13]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b07e1aed5ffsm334685966b.81.2025.09.14.05.00.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Sep 2025 05:00:06 -0700 (PDT) Sender: Salvatore Bonaccorso Received: by eldamar.lan (Postfix, from userid 1000) id 78397BE2DE0; Sun, 14 Sep 2025 14:00:04 +0200 (CEST) Date: Sun, 14 Sep 2025 14:00:04 +0200 From: Salvatore Bonaccorso To: Greg Kroah-Hartman Cc: stable , Sasha Levin , Lijo Lazar , Alex Deucher , Marcel Jira , Niklas Cathor , 1114806@bugs.debian.org Subject: Re: Please backport commit 440cec4ca1c2 ("drm/amdgpu: Wait for bootloader after PSPv11 reset") to v6.16.y Message-ID: References: <2025091431-manpower-osmosis-b679@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2025091431-manpower-osmosis-b679@gregkh> Hi Greg, [note fixing up my typo for the Debian bug, sorry about that] On Sun, Sep 14, 2025 at 01:43:38PM +0200, Greg Kroah-Hartman wrote: > On Sun, Sep 14, 2025 at 01:18:11PM +0200, Salvatore Bonaccorso wrote: > > Hi > > > > In Debian we got the report in https://bugs.debian.org/1114806 that > > suspend to RAM fails (amdgpu driver hang) and Niklas Cathor was both > > able to bisect the issue down to 8345a71fc54b ("drm/amdgpu: Add more > > checks to PSP mailbox") (which was backported to 6.12.2 as well). > > > > There is an upstream report as well at > > https://gitlab.freedesktop.org/drm/amd/-/issues/4531 matching the > > issue and fixed by 440cec4ca1c2 ("drm/amdgpu: Wait for bootloader > > after PSPv11 reset"). > > > > Unfortunately the commit does not apply cleanly to 6.16.y as well as > > there were the changes around 9888f73679b7 ("drm/amdgpu: Add a > > noverbose flag to psp_wait_for"). > > > > Attached patch backports the commit due to this context changes, > > assuming it is not desirable to pick as well 9888f73679b7. > > > > Does that looks good? If yes, can you please consider picking it up or > > the next 6.16.y stable series as well? > > I have a revert of the offending commit in the 6.16.y queue right now, > as this was pointed out as causing a problem: > https://lore.kernel.org/all/20250904220457.473940-1-alexander.deucher@amd.com/ > so that should resolve this issue, right? Ah good, yes that should be equally fine (I missed the pending revert). Thanks a lot! Regards, Salvatore