From nobody Sun Sep 28 19:12:26 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 938E72DCBE6 for ; Fri, 30 May 2025 02:51:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748573470; cv=none; b=d7/htv2lkLvbSV42B0C9LQadA4y/Mp6/d1p5kvMNqOYTSWlBkkP/UbvJrUdwHaMaR/9Fnyoz2WupmddgxtTAWd8uiE0Bpy9s5l+EylUrJk6IZGdRMZWSPIT54fie1G0Q4VHzxOQag0T1Z9bZ0YD5tJ5mGu57s60JWZZYMicFAY0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748573470; c=relaxed/simple; bh=ABSmLaqTevu5bfArcP+tmAyoAR1v9+OT0dG/TK1RDlw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=EgEnvp5JdPjoiRgzKnZL1aAM+mpk5+xK4UUrqRZ0biGLQiHTO36Jidg/pRfuphhswAVq7NxtKiBb9CfgZMrRDQGVVnpnn+DoD98vi4aH+jf9CGIZAHxpUn8pE46lmGfCWQUBYWTvs0m/yQ3PsB02qud2aIezW4d2kAo24mWrovk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=WBfzEwa5; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="WBfzEwa5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1748573467; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AS2hIKd63FMg+Xp6dwNrhHPlNwnhHlscb4h/zsB8+mk=; b=WBfzEwa500z//M0Dj6nfmpQhWZmhFgMxmXqRc0FL0bOKxEbn+N2nAP3XxTh2k9fGvS8q6G eSWd/8wm0qAljZ6nRAIOuuxO+M/XYfrESep5c9NLowcGvytkoscXLCpi6s9tyjoXKe2Brp ao3ybZ2wnNR3Y16ZAS5eOelvYk0Q2GE= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-189-cSLiObOeP-OoYfG_s1JU6g-1; Thu, 29 May 2025 22:51:04 -0400 X-MC-Unique: cSLiObOeP-OoYfG_s1JU6g-1 X-Mimecast-MFC-AGG-ID: cSLiObOeP-OoYfG_s1JU6g_1748573461 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 683EC195608A; Fri, 30 May 2025 02:51:01 +0000 (UTC) Received: from asrivats-na.rmtustx.csb (unknown [10.2.17.97]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id E4C5B1955D82; Fri, 30 May 2025 02:50:56 +0000 (UTC) From: Anusha Srivatsa Date: Thu, 29 May 2025 21:46:16 -0500 Subject: [PATCH v2 14/46] panel/samsung-s6d27a1: Use refcounted allocation in place of devm_kzalloc() 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: <20250529-b4-drm_panel_mass_driver_convert_part3-v2-14-5d75a3711e40@redhat.com> References: <20250529-b4-drm_panel_mass_driver_convert_part3-v2-0-5d75a3711e40@redhat.com> In-Reply-To: <20250529-b4-drm_panel_mass_driver_convert_part3-v2-0-5d75a3711e40@redhat.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Robert Chiras , Linus Walleij , Markuss Broks , Artur Weber , Dzmitry Sankouski , Jagan Teki , =?utf-8?q?Guido_G=C3=BCnther?= , Purism Kernel Team , Ondrej Jirman , Sasha Finkelstein , Janne Grunau , Michael Trimarchi , Laurent Pinchart Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, asahi@lists.linux.dev, Anusha Srivatsa X-Developer-Signature: v=1; a=ed25519-sha256; t=1748573168; l=1388; i=asrivats@redhat.com; s=20250122; h=from:subject:message-id; bh=ABSmLaqTevu5bfArcP+tmAyoAR1v9+OT0dG/TK1RDlw=; b=HcXAarqgk2xOHzy/8jLwG150yE3y6BecPL5wAoGN0QkF316Ue8oZzoSgWeOKUJUaRK3BWDo6Q s4+PijjOM9zAmvYrYXPy2+6HrQN92GGPRZ8zhi7CfmgW88DuC52RVdB X-Developer-Key: i=asrivats@redhat.com; a=ed25519; pk=brnIHkBsUZEhyW6Zyn0U92AeIZ1psws/q8VFbIkf1AU= X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Move to using the new API devm_drm_panel_alloc() to allocate the panel. Reviewed-by: Neil Armstrong Signed-off-by: Anusha Srivatsa --- v2: none. --- drivers/gpu/drm/panel/panel-samsung-s6d27a1.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d27a1.c b/drivers/gpu/dr= m/panel/panel-samsung-s6d27a1.c index 2adb223a895c9c89703abcf1148fbe9bd6c0da41..300dc19bd9d135ec889f9604fb1= 4637bb60fc250 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6d27a1.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6d27a1.c @@ -247,9 +247,11 @@ static int s6d27a1_probe(struct spi_device *spi) struct s6d27a1 *ctx; int ret; =20 - ctx =3D devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) - return -ENOMEM; + ctx =3D devm_drm_panel_alloc(dev, struct s6d27a1, panel, + &s6d27a1_drm_funcs, + DRM_MODE_CONNECTOR_DPI); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); =20 ctx->dev =3D dev; =20 @@ -277,9 +279,6 @@ static int s6d27a1_probe(struct spi_device *spi) =20 ctx->dbi.read_commands =3D s6d27a1_dbi_read_commands; =20 - drm_panel_init(&ctx->panel, dev, &s6d27a1_drm_funcs, - DRM_MODE_CONNECTOR_DPI); - ret =3D drm_panel_of_backlight(&ctx->panel); if (ret) return dev_err_probe(dev, ret, "failed to add backlight\n"); --=20 2.48.1