From patchwork Tue Mar 25 17:24:11 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anusha Srivatsa X-Patchwork-Id: 14029302 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 B48C4C36008 for ; Tue, 25 Mar 2025 17:24:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 17B7210E5C8; Tue, 25 Mar 2025 17:24:37 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="PLgz+rSw"; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5F5D510E5DB for ; Tue, 25 Mar 2025 17:24:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1742923471; 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=lpjtlppTK5/lkJhOBorlfU7lpS28Avy09+tU63n0DK4=; b=PLgz+rSw/CVMnCOS8jbU1PB6YsOwU8dSruj6rupQgh5xjoDsKKPmhnD03s6CR1v0Ukhx18 A/5u1URRxhQmQqExr4UEhoHi32M7FdtmOwPY4nB91nqUTDzGL8nAux1+h40tmrxk7hWiEQ yZ1aJzDGpM8D1tDIpmaq4Zfz2HErQgQ= 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-248-VI23VYtMNHG7GgGXvoSg4g-1; Tue, 25 Mar 2025 13:24:28 -0400 X-MC-Unique: VI23VYtMNHG7GgGXvoSg4g-1 X-Mimecast-MFC-AGG-ID: VI23VYtMNHG7GgGXvoSg4g_1742923464 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (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 BB89B180AF52; Tue, 25 Mar 2025 17:24:24 +0000 (UTC) Received: from asrivats-na.rmtustx.csb (unknown [10.2.16.186]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6EDCE180A802; Tue, 25 Mar 2025 17:24:22 +0000 (UTC) From: Anusha Srivatsa Date: Tue, 25 Mar 2025 13:24:11 -0400 Subject: [PATCH 4/5] drm/panel: deprecate old-style panel allocation MIME-Version: 1.0 Message-Id: <20250325-b4-panel-refcounting-v1-4-4e2bf5d19c5d@redhat.com> References: <20250325-b4-panel-refcounting-v1-0-4e2bf5d19c5d@redhat.com> In-Reply-To: <20250325-b4-panel-refcounting-v1-0-4e2bf5d19c5d@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=1742923451; l=1073; i=asrivats@redhat.com; s=20250122; h=from:subject:message-id; bh=A+LU5lgwdNhiA1Kyn1XfW5gM4lg/FJ5Fagf5T/rOWc4=; b=K9aJBhUC+EevWim2Moo3gSH2V6CmaEQO37I9AS4oIlot73QvPQhsPCDYe76uoIwwY5sdYE0Vf xsHnsK9OkxuC1jzj+/0sT/JFzHAJg8qKt3YIrfuM28TgspaY53KqmO2 X-Developer-Key: i=asrivats@redhat.com; a=ed25519; pk=brnIHkBsUZEhyW6Zyn0U92AeIZ1psws/q8VFbIkf1AU= X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 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 moving to the new refcounted allocations using the new API devm_drm_panel_alloc(). Deprecate any other allocation. Signed-off-by: Anusha Srivatsa Reviewed-by: Luca Ceresoli --- drivers/gpu/drm/drm_panel.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c index 11a0415bc61f59190ef5eb378d1583c493265e6a..5793011f4938a2d4fb9d84a700817bda317af305 100644 --- a/drivers/gpu/drm/drm_panel.c +++ b/drivers/gpu/drm/drm_panel.c @@ -74,8 +74,10 @@ EXPORT_SYMBOL(drm_panel_init); * drm_panel_add - add a panel to the global registry * @panel: panel to add * - * Add a panel to the global registry so that it can be looked up by display - * drivers. + * Add a panel to the global registry so that it can be looked + * up by display drivers. The panel to be added must have been + * allocated by devm_drm_panel_alloc(). Old-style allocation by + * kzalloc(), devm_kzalloc() and similar is deprecated. */ void drm_panel_add(struct drm_panel *panel) {