Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753500AbcD0Ofg (ORCPT ); Wed, 27 Apr 2016 10:35:36 -0400 Received: from smtprelay.synopsys.com ([198.182.47.9]:58316 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752693AbcD0Of2 (ORCPT ); Wed, 27 Apr 2016 10:35:28 -0400 From: Alexey Brodkin To: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, Alexey Brodkin , "Cc: Dave Airlie" , Daniel Vetter , devicetree@vger.kernel.org Subject: [PATCH 0/2] drm/arcpgu: Get use of dedicated memory area for frame buffer Date: Wed, 27 Apr 2016 17:34:59 +0300 Message-Id: <1461767701-12208-1-git-send-email-abrodkin@synopsys.com> X-Mailer: git-send-email 2.5.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 909 Lines: 25 This mini-series allows to allocate frame buffer memory in desired location. Allocation of a frame buffer memory in a special memory region allows bypassing of so-called IO Coherency aperture which is typically set as a range 0x8z-0xAz. I.e. all data traffic to PGU bypasses IO Coherency block and saves its bandwidth for other peripherals. Cc: Cc: Dave Airlie Cc: Daniel Vetter Cc: devicetree@vger.kernel.org Alexey Brodkin (2): drm/arcpgu: use dedicated memory area for frame buffer ARC: [axs10x] Specify reserved memory for frame buffer arch/arc/boot/dts/axc001.dtsi | 20 +++++++++++++++++++- arch/arc/boot/dts/axc003.dtsi | 14 ++++++++++++++ arch/arc/boot/dts/axc003_idu.dtsi | 14 ++++++++++++++ arch/arc/boot/dts/axs10x_mb.dtsi | 2 +- drivers/gpu/drm/arc/arcpgu_drv.c | 6 ++++++ 5 files changed, 54 insertions(+), 2 deletions(-) -- 2.5.5