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([2601:1c0:5780:9200:5568:45f7:ec26:fe8]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b71268bdd50sm12423966a12.0.2025.10.28.20.50.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 28 Oct 2025 20:50:53 -0700 (PDT) Message-ID: Date: Tue, 28 Oct 2025 20:50:52 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4] drm/vblank: Increase timeout in drm_wait_one_vblank() To: Thomas Zimmermann , maarten.lankhorst@linux.intel.com, maxime.ripard@kernel.org, airlied@gmail.com, simona@ffwll.ch Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, syzbot+147ba789658184f0ce04@syzkaller.appspotmail.com References: <20251028034337.6341-1-chintanlike@gmail.com> <2dae83e3-6fee-4e66-964e-c7baf46eecd8@suse.de> Content-Language: en-US From: Chintan Patel In-Reply-To: <2dae83e3-6fee-4e66-964e-c7baf46eecd8@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 10/28/25 10:14, Thomas Zimmermann wrote: > > > Am 28.10.25 um 04:43 schrieb Chintan Patel: >> Currently, wait_event_timeout() in drm_wait_one_vblank() uses a 100ms >> timeout. Under heavy scheduling pressure or rare delayed vblank >> handling, this can trigger WARNs unnecessarily. >> >> Increase the timeout to 1000ms to reduce spurious WARNs, while still >> catching genuine issues. > > Thanks a lot. > Appreciate your guidance !