From owner-svn-src-head@FreeBSD.ORG  Sun Mar 30 14:42:53 2014
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id B2C02AF8;
 Sun, 30 Mar 2014 14:42:53 +0000 (UTC)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 9F1FD6E8;
 Sun, 30 Mar 2014 14:42:53 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s2UEgr9n018884;
 Sun, 30 Mar 2014 14:42:53 GMT (envelope-from br@svn.freebsd.org)
Received: (from br@localhost)
 by svn.freebsd.org (8.14.8/8.14.8/Submit) id s2UEgrGK018883;
 Sun, 30 Mar 2014 14:42:53 GMT (envelope-from br@svn.freebsd.org)
Message-Id: <201403301442.s2UEgrGK018883@svn.freebsd.org>
From: Ruslan Bukin <br@FreeBSD.org>
Date: Sun, 30 Mar 2014 14:42:53 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r263934 - head/sys/arm/samsung/exynos
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 30 Mar 2014 14:42:53 -0000

Author: br
Date: Sun Mar 30 14:42:53 2014
New Revision: 263934
URL: http://svnweb.freebsd.org/changeset/base/263934

Log:
  Directly call kmem_alloc_contig to allocate framebuffer memory
  and pass VM_MEMATTR_UNCACHEABLE (no-cache, no-buffer).
  This fixes screen refreshing problem when data is updated too slowly.
  
  Discussed with:	ian

Modified:
  head/sys/arm/samsung/exynos/exynos5_fimd.c

Modified: head/sys/arm/samsung/exynos/exynos5_fimd.c
==============================================================================
--- head/sys/arm/samsung/exynos/exynos5_fimd.c	Sun Mar 30 14:25:14 2014	(r263933)
+++ head/sys/arm/samsung/exynos/exynos5_fimd.c	Sun Mar 30 14:42:53 2014	(r263934)
@@ -47,6 +47,10 @@ __FBSDID("$FreeBSD$");
 #include <sys/eventhandler.h>
 #include <sys/gpio.h>
 
+#include <vm/vm.h>
+#include <vm/vm_extern.h>
+#include <vm/vm_kern.h>
+
 #include <dev/fdt/fdt_common.h>
 #include <dev/ofw/openfirm.h>
 #include <dev/ofw/ofw_bus.h>
@@ -351,8 +355,8 @@ fimd_attach(device_t dev)
 	sc->sc_info.fb_stride = sc->sc_info.fb_width * 2;
 	sc->sc_info.fb_bpp = sc->sc_info.fb_depth = 16;
 	sc->sc_info.fb_size = sc->sc_info.fb_height * sc->sc_info.fb_stride;
-	sc->sc_info.fb_vbase = (intptr_t)contigmalloc(sc->sc_info.fb_size,
-	    M_DEVBUF, M_ZERO, 0, ~0, PAGE_SIZE, 0);
+	sc->sc_info.fb_vbase = (intptr_t)kmem_alloc_contig(kernel_arena,
+	    sc->sc_info.fb_size, M_ZERO, 0, ~0, PAGE_SIZE, 0, VM_MEMATTR_UNCACHEABLE);
 	sc->sc_info.fb_pbase = (intptr_t)vtophys(sc->sc_info.fb_vbase);
 
 #if 0