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Thu, 30 Oct 2025 09:10:22 -0700 (PDT) Received: from linux.fritz.box ([2a00:6d43:105:c401:e307:1a37:2e76:ce91]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429952b7a7csm33124857f8f.8.2025.10.30.09.10.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Oct 2025 09:10:22 -0700 (PDT) From: Marco Crivellari To: linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: Tejun Heo , Lai Jiangshan , Frederic Weisbecker , Sebastian Andrzej Siewior , Marco Crivellari , Michal Hocko , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , David Airlie , Simona Vetter Subject: [PATCH 2/4] drm/amdgpu: replace use of system_wq with system_percpu_wq Date: Thu, 30 Oct 2025 17:10:09 +0100 Message-ID: <20251030161011.282924-3-marco.crivellari@suse.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251030161011.282924-1-marco.crivellari@suse.com> References: <20251030161011.282924-1-marco.crivellari@suse.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" Currently if a user enqueue a work item using schedule_delayed_work() the used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to schedule_work() that is using system_wq and queue_work(), that makes use again of WORK_CPU_UNBOUND. This lack of consistency cannot be addressed without refactoring the API. system_wq should be the per-cpu workqueue, yet in this name nothing makes that clear, so replace system_wq with system_percpu_wq. The old wq (system_wq) will be kept for a few release cycles. Suggested-by: Tejun Heo Signed-off-by: Marco Crivellari --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/a= md/amdgpu/amdgpu_device.c index 8c4d79f6c14f..2f8160702f9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4798,7 +4798,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, } /* must succeed. */ amdgpu_ras_resume(adev); - queue_delayed_work(system_wq, &adev->delayed_init_work, + queue_delayed_work(system_percpu_wq, &adev->delayed_init_work, msecs_to_jiffies(AMDGPU_RESUME_MS)); } =20 @@ -5328,7 +5328,7 @@ int amdgpu_device_resume(struct drm_device *dev, bool= notify_clients) if (r) goto exit; =20 - queue_delayed_work(system_wq, &adev->delayed_init_work, + queue_delayed_work(system_percpu_wq, &adev->delayed_init_work, msecs_to_jiffies(AMDGPU_RESUME_MS)); exit: if (amdgpu_sriov_vf(adev)) { --=20 2.51.0