From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 844143EDABB for ; Thu, 7 May 2026 11:53:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778154821; cv=none; b=jeVJgOj4ZuD6XYxKmp4FUfww5eN3Xb2cDouuprH0LX/zU58YZzjHepI9Gim+Lfox/B1OVt7Tw1LZsE+W5l+MAS2uUCK9D27/6c9we2eaU7gST603IKwoVcwpA1b6XIbDuhaYw6DbpYsiXbcj8yNY6PZznf8nyHGKxQpF+/Og4m8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778154821; c=relaxed/simple; bh=9tufjyYUKdnTm46sdQqwurSTxCDuKd4OYLCAWRs7Jos=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=VrvUD8LXDRtTtEDs9raBMp7i7gYor5cfPT6Nam2szDlUmqoQUavG/cqIWgMM9pBH4kzrPpq8cEudk16IEetmhhU+d/SsSBtmuFfx+i84bvoe1MK72GCBcSL8r5uSi/Hz/qZwoyzdVeW/4c0xfVLUs5UntcM1euD64PaKUtA1KA4= 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=cJ3BNu8V; arc=none smtp.client-ip=170.10.133.124 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="cJ3BNu8V" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1778154819; 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=cZF/mON8kP1kMtu1A4HwYOmzCkw8/+Js6fL/I70vtMU=; b=cJ3BNu8VSzlcgj4sKSBKTp3MMHN60oE0mD3ooxa5mCWByy5NouMW5LRJpmZSf/hUD4CSlN J+rqsi65fGw9/iHKSVEUicKCSS4F+/gnyk1eOEvjnoXeePQVCoWUPhPOuTZqXlkKXQiq7t 9Qtpa1qglMD2z5/53aRP90NZ/xnBNfQ= 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-266-FRtBiKSNPyS0FnIGyvKGUg-1; Thu, 07 May 2026 07:53:33 -0400 X-MC-Unique: FRtBiKSNPyS0FnIGyvKGUg-1 X-Mimecast-MFC-AGG-ID: FRtBiKSNPyS0FnIGyvKGUg_1778154812 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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 A5CAA19560A6; Thu, 7 May 2026 11:53:31 +0000 (UTC) Received: from [192.168.1.153] (headnet01.pony-001.prod.iad2.dc.redhat.com [10.2.32.101]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D41D71953947; Thu, 7 May 2026 11:53:28 +0000 (UTC) From: Albert Esteve Date: Thu, 07 May 2026 13:53:02 +0200 Subject: [PATCH 04/10] drm/panel/lxd-m9189a: 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: 7bit Message-Id: <20260507-drm_panel_init_rm-v1-4-51f448c7c291@redhat.com> References: <20260507-drm_panel_init_rm-v1-0-51f448c7c291@redhat.com> In-Reply-To: <20260507-drm_panel_init_rm-v1-0-51f448c7c291@redhat.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Michael Tretter , Michael Walle , Dario Binacchi Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Albert Esteve X-Developer-Signature: v=1; a=ed25519-sha256; t=1778154793; l=1449; i=aesteve@redhat.com; s=20260303; h=from:subject:message-id; bh=9tufjyYUKdnTm46sdQqwurSTxCDuKd4OYLCAWRs7Jos=; b=tN2XFGQ3bahFvpxu+iiImreUmiA3QU4z6Fj0sTBWVejx2ooS3EBE4m5LnUihY3LoQ3aMkL3U2 RQnUUnH0M9tCID1yurD3lutEXaP4hksOZ7UMEZdUaUxLUIp7C/pmSQs X-Developer-Key: i=aesteve@redhat.com; a=ed25519; pk=YSFz6sOHd2L45+Fr8DIvHTi6lSIjhLZ5T+rkxspJt1s= X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Move to using the new API devm_drm_panel_alloc() to allocate the panel. In the call to the new API, avoid using explicit type and use __typeof() for more type safety. Signed-off-by: Albert Esteve --- drivers/gpu/drm/panel/panel-lxd-m9189a.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-lxd-m9189a.c b/drivers/gpu/drm/panel/panel-lxd-m9189a.c index 68019e1e43a96..baaf170779e03 100644 --- a/drivers/gpu/drm/panel/panel-lxd-m9189a.c +++ b/drivers/gpu/drm/panel/panel-lxd-m9189a.c @@ -165,9 +165,12 @@ static int lxd_m9189_probe(struct mipi_dsi_device *dsi) struct m9189_panel *m9189; int ret; - m9189 = devm_kzalloc(dev, sizeof(*m9189), GFP_KERNEL); - if (!m9189) - return -ENOMEM; + m9189 = devm_drm_panel_alloc(dev, __typeof(*m9189), panel, + &m9189_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + if (IS_ERR(m9189)) + return PTR_ERR(m9189); m9189->supply = devm_regulator_get(dev, "power"); if (IS_ERR(m9189->supply)) @@ -191,8 +194,6 @@ static int lxd_m9189_probe(struct mipi_dsi_device *dsi) dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST; - drm_panel_init(&m9189->panel, dev, &m9189_panel_funcs, - DRM_MODE_CONNECTOR_DSI); m9189->panel.prepare_prev_first = true; ret = drm_panel_of_backlight(&m9189->panel); -- 2.53.0