From nobody Sun Feb 8 23:03:50 2026 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 0B933203707 for ; Tue, 4 Mar 2025 11:11:33 +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=1741086693; cv=none; b=glxWnK2sibUCt1/v4GY8vwbov9PvMZNKRJMsUG1EMBiS454ESMb5Gjo7tbLCIHaEJzVA9hzDi8alw7o5mj8DujbDw1MX/FkVC+zqc/WwzIgISpM9EkOUeRHBnSfon4kcVUMjQn0kTkDFBBAyumVv6eHbpKQ4nFEeFbflzS4KHPM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741086693; c=relaxed/simple; bh=sKleaYeZ7mJs6nOj6qpkdQC+JqPOSJpww8MRjOINY+Q=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TCvijoIAOzDOEuz1R/XWPtUwzaq/4l9pnF+SfKttjHeQ5sE9ujaQi7HLLVsBTL98nM9dvBX/XEnTtPHrTGoyPETfXVsqBQNigSrxNBzvgHiecqH467g0NtWU5piD+9r7GEX0QqsrgojFnlNlh1Ah2INuFF5NLGfmSbVhXPBW1uI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sO75RUId; 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="sO75RUId" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93CB6C4CEEA; Tue, 4 Mar 2025 11:11:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741086692; bh=sKleaYeZ7mJs6nOj6qpkdQC+JqPOSJpww8MRjOINY+Q=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=sO75RUIdn1py72c3aiZrtz475xIE6yxiG/Q0DsdOCXWMI/ZJT/S+gzuihPvZuUI6A 5rTB54FdRAvBY0mW1pd8hzKtNrrwOHFpYYpt3reHk6QfVBELHi7CA28DZ1k7WKVk35 nQrJBcLpUBDENRXheA9iKw0LubgctqjBKsvDPf5NXCMabfvR5sQhdpqsBO8nBeGATb BcwwsU5rj1qL6JLYbGzJNaeDSAauCxgQGlWpgoBMITu0MwbEcS4J8eQDtSF8aseyhj XMRuow03MubtJ3eTpmFiGZRpLiOy7/o/P3bS28vRJOlSsmlE4rqh794y/bLKDSS+Ed Pi9Q3N+AZ89iA== From: Maxime Ripard Date: Tue, 04 Mar 2025 12:10:54 +0100 Subject: [PATCH v5 11/16] 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: <20250304-bridge-connector-v5-11-aacf461d2157@kernel.org> References: <20250304-bridge-connector-v5-0-aacf461d2157@kernel.org> In-Reply-To: <20250304-bridge-connector-v5-0-aacf461d2157@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: Herve Codina , 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=1960; i=mripard@kernel.org; h=from:subject:message-id; bh=sKleaYeZ7mJs6nOj6qpkdQC+JqPOSJpww8MRjOINY+Q=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDOnH7h+0yDpr9dzfzVH85oEYrh1aMs91nVTmbGVxlVd3O GZ8YkZpx1QWBmFOBlkxRZYnMmGnl7cvrnKwX/kDZg4rE8gQBi5OAZiIcA5jfdUuweUF9/J++O05 la/wu/n/QraeHON9FQsO8+4tdXnx1XlV0telQtlz77w+zRI+nefhQcaGlTvnWyeuS59ef0qysan Byyvyb3vc/OiEy8FFUed+Okx41V5c++L+mnCZ59+DvmWdywgBAA== 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 Reviewed-by: Dmitry Baryshkov Signed-off-by: Maxime Ripard --- 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 2.48.1