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Wed, 24 Dec 2025 06:47:18 -0800 (PST) Received: from localhost.localdomain ([2a00:6d43:105:c401:e307:1a37:2e76:ce91]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43277b82a58sm1041109f8f.6.2025.12.24.06.47.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Dec 2025 06:47:18 -0800 (PST) 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 , Christian Konig , David Airlie , Simona Vetter , Philip Yang Subject: [PATCH v3 4/4] drm/radeon: add WQ_PERCPU to alloc_workqueue users Date: Wed, 24 Dec 2025 15:47:08 +0100 Message-ID: <20251224144708.61167-5-marco.crivellari@suse.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251224144708.61167-1-marco.crivellari@suse.com> References: <20251224144708.61167-1-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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable This continues the effort to refactor workqueue APIs, which began with the introduction of new workqueues and a new alloc_workqueue flag in: commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq") commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag") The refactoring is going to alter the default behavior of alloc_workqueue() to be unbound by default. With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND), any alloc_workqueue() caller that doesn=E2=80=99t explicitly specify WQ_UNB= OUND must now use WQ_PERCPU. For more details see the Link tag below. In order to keep alloc_workqueue() behavior identical, explicitly request WQ_PERCPU. Suggested-by: Tejun Heo Signed-off-by: Marco Crivellari --- drivers/gpu/drm/radeon/radeon_display.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/rade= on/radeon_display.c index 35fb99bcd9a7..99a3e4c480c1 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -685,7 +685,8 @@ static void radeon_crtc_init(struct drm_device *dev, in= t index) if (radeon_crtc =3D=3D NULL) return; =20 - radeon_crtc->flip_queue =3D alloc_workqueue("radeon-crtc", WQ_HIGHPRI, 0); + radeon_crtc->flip_queue =3D alloc_workqueue("radeon-crtc", + WQ_HIGHPRI | WQ_PERCPU, 0); if (!radeon_crtc->flip_queue) { kfree(radeon_crtc); return; --=20 2.52.0