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Wed, 28 Jan 2026 12:48:23 -0800 (PST) X-Received: by 2002:a05:6214:1c4c:b0:894:6da3:219e with SMTP id 6a1803df08f44-894dfb2fc42mr12642106d6.25.1769633302582; Wed, 28 Jan 2026 12:48:22 -0800 (PST) Received: from localhost ([2607:f2c0:b0bc:f100:e97:de30:9768:6518]) by smtp.gmail.com with UTF8SMTPSA id 6a1803df08f44-894d375debasm24038726d6.42.2026.01.28.12.48.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jan 2026 12:48:22 -0800 (PST) Date: Wed, 28 Jan 2026 15:48:21 -0500 From: Peter Colberg To: Alex Deucher Cc: Alex Deucher , Christian =?utf-8?B?S8O2bmln?= , David Airlie , Simona Vetter , Harry Wentland , Leo Li , Rodrigo Siqueira , Ivan Lipski , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev, "Mario Limonciello (AMD)" Subject: Re: [REGRESSION] drm/amd/display: Add an hdmi_hpd_debounce_delay_ms module Message-ID: Mail-Followup-To: Alex Deucher , Alex Deucher , Christian =?utf-8?B?S8O2bmln?= , David Airlie , Simona Vetter , Harry Wentland , Leo Li , Rodrigo Siqueira , Ivan Lipski , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev, "Mario Limonciello (AMD)" References: MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 83D3QA0LIW2WB0DskmVIgDLuUFyzGQ7x33FUpfccot0_1769633303 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, Jan 28, 2026 at 03:17:18PM -0500, Alex Deucher wrote: > On Wed, Jan 28, 2026 at 3:09 PM Peter Colberg wrote: > > > > Hi, > > > > I hit a regression introduced as part of v6.19-rc6 (and still present > > in v6.19-rc7), where, upon unloading the amdgpu module, __flush_work() > > is passed a work struct with the work function set to NULL. The issue > > is seen with an AMD Radeon Pro W7900, but not an AMD Instinct MI210. > > I think this should be fixed in: > https://gitlab.freedesktop.org/agd5f/linux/-/commit/17b2c526fd8026d8e0f4c0e7f94fc517e3901589 That fix applied to v6.19-rc7 does indeed resolve the issue. Thank you for the pointer and apologies for the noise. Peter