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[84.0.24.210]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4851884a24asm50661015e9.7.2026.03.04.04.44.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Mar 2026 04:44:33 -0800 (PST) From: Timur =?UTF-8?B?S3Jpc3TDs2Y=?= To: Rosen Penev , Christian =?UTF-8?B?S8O2bmln?= Cc: Harry Wentland , Leo Li , Alex Deucher , David Airlie , Simona Vetter , Kenneth Feng , Alex Hung , Greg Kroah-Hartman , Lijo Lazar , "chr[]" , Sasha Levin , Wentao Liang , "open list:AMD DISPLAY CORE" , "open list:DRM DRIVERS" , open list Subject: Re: [PATCHv2 for 6.112 and 6.6 0/2] amdgpu: fix panic on old GPUs Date: Wed, 04 Mar 2026 13:44:31 +0100 Message-ID: <5828571.IbC2pHGDlb@timur-hyperion> In-Reply-To: <4d00945c-f439-4460-9f8b-12e7e498fb20@amd.com> References: <20260228045356.3561-1-rosenp@gmail.com> <2596902.XAFRqVoOGU@timur-hyperion> <4d00945c-f439-4460-9f8b-12e7e498fb20@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" On Wednesday, March 4, 2026 11:06:53=E2=80=AFAM Central European Standard T= ime=20 Christian K=C3=B6nig wrote: > >=20 > > Hi Everyone, > >=20 > > The patches actually come from a branch of mine: > > https://gitlab.freedesktop.org/Venemo/linux/-/commits/v6.12.74_si_dc_fi= xes > >=20 > > For context: > >=20 > > The crash comes from a patch that I wrote for 6.18 that fixes some issu= es > > on the default, non-DC code path, that was backported to stable kernels. > > DC was not the default code path before Linux 6.19, so I didn't mark the > > patches that also fix DC for backporting, because I had assumed nobody > > uses the DC code path on these kernel versions. > >=20 > > After a user reported to me that this causes issues for him with DC on > > 6.17 > > and older kernels, I sent a backported series to Greg and Sasha, in an > > email thread with the subject line "Fixing an amdgpu crash caused by a > > backported patch". The fixes were backported to 6.17 then. > >=20 > > I assumed that the stable maintainers would backport the fixes to all > > older > > kernels that were also affected, but Rosen brought it to my attention t= hat > > it didn't happen. So I made the backports in the above branch. Rosen th= en > > decided to send them to the mailing list. > >=20 > > > Hope that helps clear up the situation. >=20 Hi Christian, > In theory Harry an Leo should take care of stuff like this I don't blame them for this. It is my fault for breaking it in the first pl= ace,=20 and I didn't think there was any interest in using DC on older kernels. > pretty much everybody is overworked. Yeah. We all are. >=20 > In that case guys feel free to go ahead and ping the stable maintainers t= hat > something is missing. >=20 > Just make sure that when a patch passes through your hands that you add a > Signed-off-by tag. Thanks! Probably I should have sent the patches myself, then they already=20 would have had all the necessary tags. Sorry for the confusion. Now that the situation is cleared up, is there anything else we need to do = for=20 these two patches here? Best regards, Timur