From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: [PATCH 2/4] gma500: wide framebuffer memory Date: Tue, 01 May 2012 14:31:55 +0100 Message-ID: <20120501133119.1682.36727.stgit@bluebook> References: <20120501133037.1682.58297.stgit@bluebook> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:54660 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753209Ab2EANcj (ORCPT ); Tue, 1 May 2012 09:32:39 -0400 In-Reply-To: <20120501133037.1682.58297.stgit@bluebook> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: airlied@linux.ie, dri-devel@lists.freedesktop.org, linux-acpi@vger.kernel.org From: Alan Cox If we set a small text framebuffer and have a bigger scanout then we want to send black not random bits for the overscan. Signed-off-by: Alan Cox --- drivers/gpu/drm/gma500/framebuffer.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index c9fe4bd..4fc0d08 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -408,6 +408,8 @@ static int psbfb_create(struct psb_fbdev *fbdev, return -ENOMEM; } + memset(dev_priv->vram_addr + backing->offset, 0, size); + mutex_lock(&dev->struct_mutex); info = framebuffer_alloc(0, device);