From patchwork Mon Apr 3 18:58:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Laura Abbott X-Patchwork-Id: 746637 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vxhRF30qLz9s7n for ; Tue, 4 Apr 2017 05:06:33 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="psxmzwWq"; dkim-atps=neutral DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Remove the completed items and add a few new ones. Signed-off-by: Laura Abbott --- drivers/staging/android/TODO | 21 ++++----------------- 1 file changed, 4 insertions(+), 17 deletions(-) diff --git a/drivers/staging/android/TODO b/drivers/staging/android/TODO index 8f3ac37..5f14247 100644 --- a/drivers/staging/android/TODO +++ b/drivers/staging/android/TODO @@ -7,23 +7,10 @@ TODO: ion/ - - Remove ION_IOC_SYNC: Flushing for devices should be purely a kernel internal - interface on top of dma-buf. flush_for_device needs to be added to dma-buf - first. - - Remove ION_IOC_CUSTOM: Atm used for cache flushing for cpu access in some - vendor trees. Should be replaced with an ioctl on the dma-buf to expose the - begin/end_cpu_access hooks to userspace. - - Clarify the tricks ion plays with explicitly managing coherency behind the - dma api's back (this is absolutely needed for high-perf gpu drivers): Add an - explicit coherency management mode to flush_for_device to be used by drivers - which want to manage caches themselves and which indicates whether cpu caches - need flushing. - - With those removed there's probably no use for ION_IOC_IMPORT anymore either - since ion would just be the central allocator for shared buffers. - - Add dt-binding to expose cma regions as ion heaps, with the rule that any - such cma regions must already be used by some device for dma. I.e. ion only - exposes existing cma regions and doesn't reserve unecessarily memory when - booting a system which doesn't use ion. + - Add dt-bindings for remaining heaps (chunk and carveout heaps). This would + involve putting appropriate bindings in a memory node for Ion to find. + - Split /dev/ion up into multiple nodes (e.g. /dev/ion/heap0) + - Better test framework (integration with VGEM was suggested) Please send patches to Greg Kroah-Hartman and Cc: Arve Hjønnevåg and Riley Andrews