From patchwork Wed Apr 2 15:23:56 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anusha Srivatsa X-Patchwork-Id: 14036235 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 165ECC36017 for ; Wed, 2 Apr 2025 16:27:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7294B10E843; Wed, 2 Apr 2025 16:26:59 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="ONaz7ZDY"; 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 D712710E843 for ; Wed, 2 Apr 2025 16:26:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1743611217; 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=epE71qXnPf5K5pc+Z9ENDEN6udnjeC2gv/4reT1wp5w=; b=ONaz7ZDY6+kdtCRGyaUGGeC9eKeEqmyrIJUT+/r3nfttussSHCvT8RuywXB/1VF4WYNxcv Rka/tGH+jA/wPtMaZyYDaOYWylQARB6sLypH1pUnJWXiyJCU7oOWgkl/zwcs86ZQkkOX8l oCxQNCtYszW+azpoIPAmv5CQl48LstM= 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-515-uCOz6hAjMfebgOmWlaxCnA-1; Wed, 02 Apr 2025 12:26:53 -0400 X-MC-Unique: uCOz6hAjMfebgOmWlaxCnA-1 X-Mimecast-MFC-AGG-ID: uCOz6hAjMfebgOmWlaxCnA_1743611211 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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 67A92180AB19; Wed, 2 Apr 2025 16:26:51 +0000 (UTC) Received: from asrivats-na.rmtustx.csb (unknown [10.2.16.30]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 80676195609D; Wed, 2 Apr 2025 16:26:47 +0000 (UTC) From: Anusha Srivatsa Date: Wed, 02 Apr 2025 11:23:56 -0400 Subject: [PATCH 18/30] panel/lincolntech-lcd197: Use refcounted allocation in place of devm_kzalloc() MIME-Version: 1.0 Message-Id: <20250402-b4-drm_panel_mass_convert_part2-v1-18-903b70999ea6@redhat.com> References: <20250402-b4-drm_panel_mass_convert_part2-v1-0-903b70999ea6@redhat.com> In-Reply-To: <20250402-b4-drm_panel_mass_convert_part2-v1-0-903b70999ea6@redhat.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Icenowy Zheng , Jagan Teki , Ondrej Jirman , Javier Martinez Canillas , Michael Trimarchi , Michael Walle , Jagan Teki , =?utf-8?q?Guido_G=C3=BCnther?= , Purism Kernel Team , Linus Walleij , Jianhua Lu , Stefan Mavrodiev Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Anusha Srivatsa X-Developer-Signature: v=1; a=ed25519-sha256; t=1743607440; l=1468; i=asrivats@redhat.com; s=20250122; h=from:subject:message-id; bh=BPdSeUjyavHQlLqxv/q0dWl/OXLbabxuJZzn3plQWOg=; b=YasvvlQSr5zoz/QAeb3BNLNfSxsoG0QFIf5SgY3H8S/wPZREf6IxA6D/xcC7uc+bK2JP6Usy3 QFycL1tvDulD73Sq74D5E0xteEZMkhp6hjKpRm293kqsg7YcvC4V/1Y X-Developer-Key: i=asrivats@redhat.com; a=ed25519; pk=brnIHkBsUZEhyW6Zyn0U92AeIZ1psws/q8VFbIkf1AU= X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 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" Move to using the new API devm_drm_panel_alloc() to allocate the panel. Signed-off-by: Anusha Srivatsa --- drivers/gpu/drm/panel/panel-lincolntech-lcd197.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c b/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c index 032c542aab0f788e8a244721c838d9d740af98fb..54ad17704072213b00292df487a9f28cffd45f6c 100644 --- a/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c +++ b/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c @@ -190,9 +190,11 @@ static int lincoln_lcd197_panel_probe(struct mipi_dsi_device *dsi) dsi->mode_flags = (MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST); - lcd = devm_kzalloc(&dsi->dev, sizeof(*lcd), GFP_KERNEL); - if (!lcd) - return -ENOMEM; + ctx = devm_drm_panel_alloc(dev, struct lincoln_lcd197_panel, panel, + &lincoln_lcd197_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); mipi_dsi_set_drvdata(dsi, lcd); lcd->dsi = dsi; @@ -214,9 +216,6 @@ static int lincoln_lcd197_panel_probe(struct mipi_dsi_device *dsi) return dev_err_probe(dev, PTR_ERR(lcd->reset_gpio), "failed to get reset gpio"); - drm_panel_init(&lcd->panel, dev, - &lincoln_lcd197_panel_funcs, DRM_MODE_CONNECTOR_DSI); - err = drm_panel_of_backlight(&lcd->panel); if (err) return err;