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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: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: 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