From patchwork Mon Mar 31 02:24:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anusha Srivatsa X-Patchwork-Id: 14033154 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 60A1BC28B20 for ; Mon, 31 Mar 2025 03:26:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5A69610E378; Mon, 31 Mar 2025 03:26:00 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="al8tgib8"; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8855F10E377 for ; Mon, 31 Mar 2025 03:25:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1743391556; 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=Dp5hDKc9ocj3PapOSfucBXLZObsSVMAvb4l+1lFut9g=; b=al8tgib86E+cYzOnkuwNqKVJDzokgnrstmi9WwJSKJSZy84xFTvCrP5biEj9iyt4/nD7bn 9YZMKKKUfmZ7zCzNuv3mN1k7CzTieELNsEdGPEaEy+rV+gUoD8zpa0I8ay9ftO7Bk9JThp 8q4R97a79a2OP3FhLy2gmJ65eyLAI6Y= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-467-zvVDH3_gP5KFGotVKCR3Hg-1; Sun, 30 Mar 2025 23:25:53 -0400 X-MC-Unique: zvVDH3_gP5KFGotVKCR3Hg-1 X-Mimecast-MFC-AGG-ID: zvVDH3_gP5KFGotVKCR3Hg_1743391551 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B64D71809CA6; Mon, 31 Mar 2025 03:25:51 +0000 (UTC) Received: from asrivats-na.rmtustx.csb (unknown [10.2.16.30]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id AEBFA1801750; Mon, 31 Mar 2025 03:25:49 +0000 (UTC) From: Anusha Srivatsa Date: Sun, 30 Mar 2025 22:24:15 -0400 Subject: [PATCH v3 4/4] drm/panel/panel-simple: Use the new allocation in place of devm_kzalloc() MIME-Version: 1.0 Message-Id: <20250330-b4-panel-refcounting-v3-4-0e0d4e4641eb@redhat.com> References: <20250330-b4-panel-refcounting-v3-0-0e0d4e4641eb@redhat.com> In-Reply-To: <20250330-b4-panel-refcounting-v3-0-0e0d4e4641eb@redhat.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Luca Ceresoli , Anusha Srivatsa X-Developer-Signature: v=1; a=ed25519-sha256; t=1743387855; l=1493; i=asrivats@redhat.com; s=20250122; h=from:subject:message-id; bh=1RmX9btvC0nrxtXfEOn96R8eo8jQJomf59RfizwYlhU=; b=aGlaH7CQI0rCXfb+GZf33QE8HKvJKdW3rTkPYluP3K2B6mzYl/xbhfprl/tcOblu/OuDenzg1 R1Vioa/JrRyCcw/LrrPwT8WjFBMBEx7XwF20RVj3SMkvo9iDA4MiNs/ X-Developer-Key: i=asrivats@redhat.com; a=ed25519; pk=brnIHkBsUZEhyW6Zyn0U92AeIZ1psws/q8VFbIkf1AU= X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Start using the new helper that does the refcounted allocations. Reviewed-by: Luca Ceresoli Reviewed-by: Maxime Ripard Signed-off-by: Anusha Srivatsa --- v3: none. v2: check error condition (Luca) --- drivers/gpu/drm/panel/panel-simple.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 6ba600f97aa4c8daae577823fcf17ef31b0eb46f..df718c4a86cb7dc0cd126e807d33306e5a21d8a0 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -579,9 +579,10 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) u32 bus_flags; int err; - panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL); - if (!panel) - return -ENOMEM; + panel = devm_drm_panel_alloc(dev, struct panel_simple, base, + &panel_simple_funcs, desc->connector_type); + if (IS_ERR(panel)) + return PTR_ERR(panel); panel->desc = desc; @@ -694,8 +695,6 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) pm_runtime_set_autosuspend_delay(dev, 1000); pm_runtime_use_autosuspend(dev); - drm_panel_init(&panel->base, dev, &panel_simple_funcs, connector_type); - err = drm_panel_of_backlight(&panel->base); if (err) { dev_err_probe(dev, err, "Could not find backlight\n");