From nobody Fri Dec 19 04:49:12 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CE308188583 for ; Thu, 13 Feb 2025 14:45:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739457914; cv=none; b=jHrvyEmllm4iA0gun71bmyVMpqyTOu4VHOQUXbifSKf8csy5BUP4C7FwtNJhedqrZsHSdbL3bi1j1qZidQdZITIMWMcQn7CryTAo55N5YzcyBeS2KgUZxqOqNHHG7dczU95eG2MpanNDtkwOo+ux3pI4mNVGJx6nkKr4gRivCww= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739457914; c=relaxed/simple; bh=G/dtHGJLltHvyQvOlbZxv0Dbjvb3n4W6Sq3TiFqZN7Q=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=HohXZrpPhQUmdLdRs7s1Bq64nwCWvSyhhUgtc9MsczOlanf2rNNdjsM8ROUYre9/UHdyK9eW5sjJsKRhLjJUzeO7ywQ7cWxvBd7nuzJc3m78mDyf4S9yW9NK4OGNq/T0tOiX/IEZqBkGukxF3+AjaSyUW2Q/Ia2ZY4QkuVxTIyM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CzMJFvu3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CzMJFvu3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5BE5CC4CEE4; Thu, 13 Feb 2025 14:45:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739457914; bh=G/dtHGJLltHvyQvOlbZxv0Dbjvb3n4W6Sq3TiFqZN7Q=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=CzMJFvu3mGQSIUbWRdPNGlktfm9tTcHsneSZ6VGrkosVec/KofGhk0jYwLRfilOkl nx0jVjbgz/BdxLezIhIqNLaJtfCws9wy22NfrId90FitkbhOnzKNA3vHJv4A7R1y5o ZTACp5x/zLXzLWrFA0Nk2XsYdksocrwzgyVvj9O0fwPeXME/9mQgcOv1+pgEwG3gIs Evj78V3wOLgrNcvCS102fLqWfyQ+eYEk6yBIyL5CLsdaN7D3fK9Kh431sVTycHTl2d ifvntnXKBcBi82hkUt5eRRswCboNPFU3XXbut8p1czan2Ssj1QlF8eHJi8T1gxodu0 EU+fFaknmMlog== From: Maxime Ripard Date: Thu, 13 Feb 2025 15:43:48 +0100 Subject: [PATCH v3 29/37] drm/bridge: Introduce drm_bridge_is_atomic() helper 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 Message-Id: <20250213-bridge-connector-v3-29-e71598f49c8f@kernel.org> References: <20250213-bridge-connector-v3-0-e71598f49c8f@kernel.org> In-Reply-To: <20250213-bridge-connector-v3-0-e71598f49c8f@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Douglas Anderson Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Maxime Ripard , Dmitry Baryshkov X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1899; i=mripard@kernel.org; h=from:subject:message-id; bh=G/dtHGJLltHvyQvOlbZxv0Dbjvb3n4W6Sq3TiFqZN7Q=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDOnrWJV/vm+4t8Y1e/mDxwuOGM18a7vr0OvNa+LKvm4/9 T8nyXuDfcdUFgZhTgZZMUWWJzJhp5e3L65ysF/5A2YOKxPIEAYuTgGYyNV0xnpntr7bD3TyYrdy x1V1FMhbKd4NOJFQmfH754z6eX4iEx2+B9/sPb7j1iZe/R26s0VceRnrTE8mrPky+/KRZZruTiE RXsfPPDOSXbDxx/rGORN9VVgXm2h03pr3ysOBb/YBL8leudsqAA== X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D We test for whether the bridge is atomic in several places in the source code, so let's consolidate them. Suggested-by: Dmitry Baryshkov Signed-off-by: Maxime Ripard Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/drm_bridge.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 8241c00e4506eceeb9bb4ba74a38d8f360c65d38..d2525d0b1324cc3a63e32f5bf6c= a6c4f9034eb4e 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -278,10 +278,15 @@ drm_bridge_atomic_destroy_priv_state(struct drm_priva= te_obj *obj, static const struct drm_private_state_funcs drm_bridge_priv_state_funcs = =3D { .atomic_duplicate_state =3D drm_bridge_atomic_duplicate_priv_state, .atomic_destroy_state =3D drm_bridge_atomic_destroy_priv_state, }; =20 +static bool drm_bridge_is_atomic(struct drm_bridge *bridge) +{ + return bridge->funcs->atomic_reset !=3D NULL; +} + /** * drm_bridge_attach - attach the bridge to an encoder's chain * * @encoder: DRM encoder * @bridge: bridge to attach @@ -330,11 +335,11 @@ int drm_bridge_attach(struct drm_encoder *encoder, st= ruct drm_bridge *bridge, ret =3D bridge->funcs->attach(bridge, encoder, flags); if (ret < 0) goto err_reset_bridge; } =20 - if (bridge->funcs->atomic_reset) { + if (drm_bridge_is_atomic(bridge)) { struct drm_bridge_state *state; =20 state =3D bridge->funcs->atomic_reset(bridge); if (IS_ERR(state)) { ret =3D PTR_ERR(state); @@ -375,11 +380,11 @@ void drm_bridge_detach(struct drm_bridge *bridge) return; =20 if (WARN_ON(!bridge->dev)) return; =20 - if (bridge->funcs->atomic_reset) + if (drm_bridge_is_atomic(bridge)) drm_atomic_private_obj_fini(&bridge->base); =20 if (bridge->funcs->detach) bridge->funcs->detach(bridge); =20 --=20 2.48.0