From nobody Sat Apr 4 07:48:44 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 2E2E93D9DBE; Fri, 20 Mar 2026 16:28:21 +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=1774024101; cv=none; b=Bty032aJT8JKmLKVvqwLvdvPoxj0ThjbfDO/+KLM8VOsb4XO0kk3/NGqQfV0jSsjIbt0yjUKKjvQmP4kjuLpQNulOpPdjjA//74EgLbjWDDiZA58UxAXI0vRKiRedAzzkBHF66R0IOft6+Mfz9d5DsAuRKDwj3xMO6oO34ZzVdg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774024101; c=relaxed/simple; bh=pmYtpOxkhTjqRgGaAdFbUe+w3uLXCN7Sf0CtbEDxy8k=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=lUQKDVW53y7IdCItS8g6YZ/2ZzvKOGExHCU7TLBHrnR81VYa/gNwaBtmiWeG3oHmz6OQq8RTvadm2RgSXv3xfLdwfow0I/LXz1F2HpnOWdNSJtH/dfZn9djdgT9DziYwKMd0HSvzNhld6D0a7JS3TzRZ3DrtyT1xMAM+U6QsDm8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XXskUXJp; 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="XXskUXJp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83FD7C2BCAF; Fri, 20 Mar 2026 16:28:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774024101; bh=pmYtpOxkhTjqRgGaAdFbUe+w3uLXCN7Sf0CtbEDxy8k=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=XXskUXJpKATeGmtvitsgPaTOhTUu5xmAeLwf4Rv2975NoU4vV23dp2mdYGXScbmg4 dPtANbDCjddD/YNGwgzLMWhMi44Ty1P87hJfryUIO1qODAn1eHmURB8ARD0Ns3HKw8 hyrmeXuU5QjbC6hT3c7/q2ReDUd8h1MXU+VQX11/xiXIIHs6DuLk1Zznx1Lu/xL7my gcDafOtz+OuvBxlkK1PQY+8w5uXP57lLbkqiCqJG2g7sSPQmi+yc63TS0VU0/wYRh9 mxXcRMZVlNup+GovhLVEUapSR2A1eEnJcgJxmKAWF59YTtgFNFHcO1OOZ0+U+RLTiA 35USEatx6KnCA== From: Maxime Ripard Date: Fri, 20 Mar 2026 17:27:26 +0100 Subject: [PATCH v2 19/20] drm/tidss: Convert to atomic_create_state 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: <20260320-drm-mode-config-init-v2-19-c63f1134e76c@kernel.org> References: <20260320-drm-mode-config-init-v2-0-c63f1134e76c@kernel.org> In-Reply-To: <20260320-drm-mode-config-init-v2-0-c63f1134e76c@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Jonathan Corbet , Shuah Khan , Dmitry Baryshkov , Jyri Sarha , Tomi Valkeinen , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Simon Ser , Harry Wentland , Melissa Wen , Sebastian Wick , Alex Hung , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , Chen-Yu Tsai , Samuel Holland , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance Cc: dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Stone , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, Maxime Ripard , Laurent Pinchart X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=3205; i=mripard@kernel.org; h=from:subject:message-id; bh=pmYtpOxkhTjqRgGaAdFbUe+w3uLXCN7Sf0CtbEDxy8k=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDJl7S3MOJ1UVPcx5/V/NscVk9ew/F+9cjj96jOPPZQlhj 5PX97du65jKwiDMySArpsjyRCbs9PL2xVUO9it/wMxhZQIZwsDFKQATCT3LWGd8TpE5ds5KybS3 BZ83Ligt7trfsMhq138za5PYvrUSDq91u1nMyrbw3/SM28edkjb9IGPDY7VWBl6REM2Nq9isSwr 84me5aAltmcgye8OFH2bpL6c/vyNh1zpFQ1RbnEfx7jSPIzcA X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D Our driver uses reset to create the various object states, but only calls the helper that allocate a new state. They are thus strictly equivalent to the new atomic_create_state helpers, so let's switch to these. Reviewed-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Signed-off-by: Maxime Ripard --- drivers/gpu/drm/tidss/tidss_crtc.c | 17 +++++++---------- drivers/gpu/drm/tidss/tidss_plane.c | 2 +- 2 files changed, 8 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c b/drivers/gpu/drm/tidss/tid= ss_crtc.c index a31c21c5f855ac8a94089dd3908e2510193b7d67..66e3d161c60bc14b2982cff4cdd= 43030d4086798 100644 --- a/drivers/gpu/drm/tidss/tidss_crtc.c +++ b/drivers/gpu/drm/tidss/tidss_crtc.c @@ -355,24 +355,21 @@ static void tidss_crtc_destroy_state(struct drm_crtc = *crtc, =20 __drm_atomic_helper_crtc_destroy_state(&tstate->base); kfree(tstate); } =20 -static void tidss_crtc_reset(struct drm_crtc *crtc) +static struct drm_crtc_state *tidss_crtc_create_state(struct drm_crtc *crt= c) { struct tidss_crtc_state *tstate; =20 - if (crtc->state) - tidss_crtc_destroy_state(crtc, crtc->state); - tstate =3D kzalloc_obj(*tstate); - if (!tstate) { - crtc->state =3D NULL; - return; - } + if (!tstate) + return ERR_PTR(-ENOMEM); =20 - __drm_atomic_helper_crtc_reset(crtc, &tstate->base); + __drm_atomic_helper_crtc_create_state(crtc, &tstate->base); + + return &tstate->base; } =20 static struct drm_crtc_state *tidss_crtc_duplicate_state(struct drm_crtc *= crtc) { struct tidss_crtc_state *state, *current_state; @@ -403,14 +400,14 @@ static void tidss_crtc_destroy(struct drm_crtc *crtc) drm_crtc_cleanup(crtc); kfree(tcrtc); } =20 static const struct drm_crtc_funcs tidss_crtc_funcs =3D { - .reset =3D tidss_crtc_reset, .destroy =3D tidss_crtc_destroy, .set_config =3D drm_atomic_helper_set_config, .page_flip =3D drm_atomic_helper_page_flip, + .atomic_create_state =3D tidss_crtc_create_state, .atomic_duplicate_state =3D tidss_crtc_duplicate_state, .atomic_destroy_state =3D tidss_crtc_destroy_state, .enable_vblank =3D tidss_crtc_enable_vblank, .disable_vblank =3D tidss_crtc_disable_vblank, }; diff --git a/drivers/gpu/drm/tidss/tidss_plane.c b/drivers/gpu/drm/tidss/ti= dss_plane.c index aaa02c851c595aa3781ec2e6741af1999092aa40..518498d4576528a0ec59fd03cf2= 7a87b1b3f1e6e 100644 --- a/drivers/gpu/drm/tidss/tidss_plane.c +++ b/drivers/gpu/drm/tidss/tidss_plane.c @@ -176,12 +176,12 @@ static const struct drm_plane_helper_funcs tidss_prim= ary_plane_helper_funcs =3D { }; =20 static const struct drm_plane_funcs tidss_plane_funcs =3D { .update_plane =3D drm_atomic_helper_update_plane, .disable_plane =3D drm_atomic_helper_disable_plane, - .reset =3D drm_atomic_helper_plane_reset, .destroy =3D drm_plane_destroy, + .atomic_create_state =3D drm_atomic_helper_plane_create_state, .atomic_duplicate_state =3D drm_atomic_helper_plane_duplicate_state, .atomic_destroy_state =3D drm_atomic_helper_plane_destroy_state, }; =20 struct tidss_plane *tidss_plane_create(struct tidss_device *tidss, --=20 2.53.0