This paper would try to teach you how to build the graphic system on rk3288 EVB board with Ubuntu 14.04 operate system.

Two things we need to do in this paper:

Build our own XServer, this would help to set up the base display system.
Replace the Mali libraries, this would help to take use of the GPU module.

Compile XServer on Ubuntu

Xorg include lots of package, such as armsoc and xserver. And most of those package would need lots of others library support, like xserver would need libxcb. So first step we need to download all the packages we need.

# /bin/bash
# You could download this script by below link:
# https://github.com/yakir-Yang/scripts/blob/master/xorg-build.sh

XORG_REPOS="\
git://git.freedesktop.org/git/xorg/util/macros \
git://anongit.freedesktop.org/xorg/proto/xineramaproto \
git://anongit.freedesktop.org/xorg/proto/xproto \
git://anongit.freedesktop.org/xorg/proto/presentproto \
git://anongit.freedesktop.org/xorg/lib/libXdmcp \
git://anongit.freedesktop.org/xorg/app/xkbcomp \
git://git.freedesktop.org/git/xorg/proto/x11proto \
git://git.freedesktop.org/git/xorg/proto/damageproto \
git://git.freedesktop.org/git/xorg/proto/xextproto \
git://git.freedesktop.org/git/xorg/proto/fontsproto \
git://git.freedesktop.org/git/xorg/proto/videoproto \
git://git.freedesktop.org/git/xorg/proto/renderproto \
git://git.freedesktop.org/git/xorg/proto/inputproto \
git://git.freedesktop.org/git/xorg/proto/xf86vidmodeproto \
git://git.freedesktop.org/git/xorg/proto/xf86dgaproto \
git://git.freedesktop.org/git/xorg/proto/xf86driproto \
git://git.freedesktop.org/git/xorg/proto/xcmiscproto \
git://git.freedesktop.org/git/xorg/proto/scrnsaverproto \
git://git.freedesktop.org/git/xorg/proto/bigreqsproto \
git://git.freedesktop.org/git/xorg/proto/resourceproto \
git://git.freedesktop.org/git/xorg/proto/compositeproto \
git://git.freedesktop.org/git/xorg/proto/fixesproto \
git://git.freedesktop.org/git/xorg/proto/evieproto \
git://git.freedesktop.org/git/xorg/proto/kbproto \
git://git.code.sf.net/p/libpng/code \
git://git.sv.nongnu.org/freetype/freetype2.git \
git://anongit.freedesktop.org/xorg/lib/libXau \
git://git.freedesktop.org/git/xorg/lib/libxtrans \
git://git.freedesktop.org/git/xorg/lib/libX11 \
git://git.freedesktop.org/git/xorg/lib/libXext \
git://git.freedesktop.org/git/xorg/lib/libxkbfile \
git://git.freedesktop.org/git/xorg/lib/libfontenc \
git://git.freedesktop.org/git/xorg/lib/libXfont \
git://git.freedesktop.org/git/xorg/lib/libXfixes \
git://git.freedesktop.org/git/xorg/lib/libXdamage \
git://git.freedesktop.org/git/xorg/lib/libXv \
git://git.freedesktop.org/git/xorg/lib/libXvMC \
git://git.freedesktop.org/git/xorg/lib/libXxf86vm \
git://git.freedesktop.org/git/xorg/lib/libXinerama \
git://git.freedesktop.org/git/xorg/proto/dri2proto \
git://git.freedesktop.org/git/xorg/proto/glproto \
git://git.freedesktop.org/git/xorg/lib/libpciaccess \
git://git.freedesktop.org/git/pixman \
git://git.freedesktop.org/git/xcb/proto \
git://git.freedesktop.org/git/xcb/pthread-stubs \
git://git.freedesktop.org/git/xcb/libxcb \
git://git.freedesktop.org/git/xorg/proto/randrproto \
git://git.freedesktop.org/git/mesa/drm \
git://git.freedesktop.org/git/mesa/mesa \
git://git.freedesktop.org/git/xorg/xserver \
git://anongit.freedesktop.org/xorg/driver/xf86-input-evdev \
git://git.freedesktop.org/git/xorg/driver/xf86-input-mouse \
git://git.freedesktop.org/git/xorg/driver/xf86-input-keyboard \
git://git.freedesktop.org/git/xorg/driver/xf86-input-synaptics \
git://git.freedesktop.org/git/xorg/driver/xf86-video-intel \
https://github.com/dottedmag/libsha1.git \
https://github.com/madler/zlib.git \
https://github.com/mmind/xf86-video-armsoc.git"

download()
{
        sudo apt-get update
        sudo apt-get install git --reinstall
        sudo apt-get install libcurl3-gnutls --reinstall
        sudo apt-get install libtool --reinstall
        sudo pat-get install libxfont-dev
        sudo apt-get install libevdev-dev
        sudo apt-get install libmtdev-dev

        #
        # Clone the source code of xorg by defined repos,
        # and if repo already have been download, then
        # just update it.
        #
        for repo in $XORG_REPOS; do
                echo "======> Git cloning $repo"
                git clone $repo
        done

        # Correct the directory name of libpng
        mv code libpng;
}


case "$1" in
    download)
        download
        ;;
esac

2. Compile the xorg packages

Compiled the marcos, create the aclocal enviroment.

# /bin/bash
export DEST="/"
export PREFIX="$DEST/usr"
export PKG_CONFIG=pkg-config
export CC=arm-linux-gnueabihf-gcc
export MAKE="make -j4"
export CFLAGS="-I"$PREFIX"/include -I"$PREFIX"/include/freetype2/"
export LDFLAGS="-L"$PREFIX"/lib -Wl,-rpath-link,$PREFIX/lib"
export PKG_CONFIG_PATH=""$PREFIX"/lib/pkgconfig:$PREFIX/share/pkgconfig"
export ACLOCAL="aclocal -I"$PREFIX"/share/aclocal"
export DESTDIR=

compiled_macros()
{
        cd macros
        ./autogen.sh --host=arm-linux --prefix="$PREFIX"
        make -j4 || exit 1
        make install || exit 1
        cd ..

        echo xorg_cv_malloc0_returns_null=yes > arm-linux.cache
}

case "$1" in
        download)
                download
                ;;
        compiled)
                sudo stop lightdm
                compiled_macros
                sudo start lightdm
                ;;
esac

Compiled the freetype2 libraries separately, cause we need to enable the png and zlib future support for it.

compiled_freetype2()
{
        # Compiled zlib source code
        cd zlib
        ./configure --prefix="$PREFIX"
        make || exit 1
        make install || exit 1
        cd ..

       # Compiled libpng source code
        cd libpng;
        ./autogen.sh
        ./configure  --host=arm-linux --prefix="$PREFIX"
        make || exit 1
        make install || exit 1
        cd ..

        # Compile freetype2 with zlib and png support
        cd freetype2
        ./autogen.sh
        ./configure  --host=arm-linux --with-png=yes --with-zlib=yes --prefix=$PREFIX
        make || exit 1
        make install || exit 1
        cd ..
}

case "$1" in
    download)
        download
        ;;
    compiled)
        sudo stop lightdm
        compiled_macros
        compiled_freetype2
        sudo start lightdm
        ;;
esac

Compiled the left related libraries.

modules="\
libsha1 \
xproto \
fontsproto \
x11proto \
xextproto \
videoproto \
renderproto \
inputproto \
damageproto \
xf86vidmodeproto \
xf86dgaproto \
xf86driproto \
xcmiscproto \
scrnsaverproto \
bigreqsproto \
resourceproto \
compositeproto \
resourceproto \
evieproto \
kbproto \
fixesproto \
libxtrans \
proto \
pthread-stubs \
libXau \
libxcb \
libX11 \
libXext \
libxkbfile \
libfontenc \
libXfont \
libXv \
libXvMC \
libXxf86vm \
xineramaproto \
libXinerama \
libXfixes \
libXdamage \
dri2proto \
glproto \
libpciaccess \
pixman \
presentproto \
libXdmcp \
randrproto"

compiled_xorg_modules()
{
        for module in $modules; do
                cd $module
                echo ======================
                echo configuring $module
                echo ======================
                ./autogen.sh  --prefix="$PREFIX" --host=arm-linux --cache-file=../arm-linux.cache || exit 1
                if [ $? -ne 0 ]; then
                        echo "Failed to configure $i."
                        exit
                fi
                make -j4 || exit 1
                make install || exit 1
                cd ..
        done
}

case "$1" in
    download)
        download
        ;;
    compiled)
        sudo stop lightdm
        compiled_macros
        compiled_freetype2
        compiled_xorg_modules
        sudo start lightdm
        ;;
esac

Compiled the important XServer package, before we start to compiled the XServer, we need to checkout the some package branch to the special version we want.

For example, if we want to build the XServer 1.12.4

Checkout the xfont to version
cd libXfont; git branch -a; git checkout libXfont-1.5.1 -b libXfont-1.5.1; cd -

Checkout the xserver to version
cd xserver; git tag | grep 1.12.4 git checkout xorg-server-1.12.4 -b xorg-server-1.12.4 cd -

Checkout the armosc to rokchip branch
cd xf86-video-armsoc; git branch -a; git checkout remotes/origin/devel/rockchip -b rockchip; cd -;

After declare the build version, then we could start to compiled the main XServer module.

spec_modules="\
evdev \
mouse \
keyboard"

compiled_xserver()
{
        # build drm
        echo ======================
        echo building drm
        echo ======================
        cd drm
        ./autogen.sh --prefix="$PREFIX" --disable-cairo-tests --host=arm-linux
        make -j4 || exit 1
        make install || exit 1
        cd ..

        #build xserver
        echo ======================
        echo building xserver
        echo ======================
        cd xserver
        ./autogen.sh --prefix="$PREFIX" --host=arm-linux --enable-dri2 --disable-aiglx --disable-glx --disable-dri --disable-record --with-sha1=libsha1 --disable-xnest
        if [ $? -ne 0 ]; then
                echo "Failed to configure X server."
                exit
        fi
        make -j4 || exit 1
        make install || exit 1
        cd ..

        # build special modules
        for module in spec_modules; do
            cd $module
            echo ======================
            echo configuring $module
            echo ======================
            ./autogen.sh  --prefix="$PREFIX" --host=arm-linux || exit 1
            make -j4 || exit 1
            make install || exit 1
            cd ..
        done

        # build armsoc
        echo ======================
        echo building armsoc
        echo ======================
        cd xf86-video-armsoc
        ./autogen.sh  --host=arm-linux --with-driver=rockchip
        make -j4 || exit 1
        make install || exit 1
        cd ..

case "$1" in
    download)
        download
        ;;
    compiled)
        sudo stop lightdm
        compiled_macros
        compiled_freetype2
        compiled_xorg_modules
        compiled_xserver
        sudo start lightdm
        ;;
    *)
        echo "Usage: $0 donwload | compiled"
        exit 3
esac

3. Configure the XServer

For now you have build the whole XServer packages on Ubuntu system, the last things for lighting your monitor is configuring the XServer. XServer have provided the xorg.config interfaces, we just need to write the write the configure file to ensure that XServer would use Rockchip DRM driver. We have provided therk32.conf file, you just need to place them into /etc/X11/xorg.conf.d/ directly (if it does not exist, then just create it).

# Filename: rk32.conf 
# Path: /etc/X11/xorg.conf.d/rk32.conf

Section "Device"
        Identifier      "Mali FBDEV"
        Driver          "armsoc"
        Option          "fbdev"                 "/dev/fb0"
        Option          "Fimg2DExa"             "false"
        Option          "DRI2"                  "true"
        Option          "DRI2_PAGE_FLIP"        "false"
        Option          "DRI2_WAIT_VSYNC"       "true"
#       Option          "Fimg2DExaSolid"        "false"
#       Option          "Fimg2DExaCopy"         "false"
#       Option          "Fimg2DExaComposite"    "false"
        Option          "SWcursorLCD"   "false"
#       Option          "Debug"                 "true"
EndSection

Section "Screen"
        Identifier      "DefaultScreen"
        Device          "Mali FBDEV"
        DefaultDepth    24
EndSection

Kindliness remind:
You could download the xorg-build.sh script on githubs

Compiled XServer on Ubuntu System

Compile XServer on Ubuntu

2. Compile the xorg packages

3. Configure the XServer

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Compiled XServer on Ubuntu System

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1. Download related package

2. Compile the xorg packages

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