[Buildroot] [PATCH v2 1/2] libimxvpuapi: add new package

Wed Feb 17 12:30:04 UTC 2016

Hello Gary,

> Gesendet: Mittwoch, 17. Februar 2016 um 10:37 Uhr
> Von: "Gary Bisson" <gary.bisson at boundarydevices.com>
> An: "Peter Seiderer" <ps.report at gmx.net>
> Cc: buildroot at busybox.net, "Thomas Petazzoni" <thomas.petazzoni at free-electrons.com>
> Betreff: Re: [Buildroot] [PATCH v2 1/2] libimxvpuapi: add new package
>
> Hi Peter,
> 
> On Wed, Feb 17, 2016 at 10:26 AM, Peter Seiderer <ps.report at gmx.net> wrote:
> >
> > Hello Gary,
> >
> > > Gesendet: Dienstag, 16. Februar 2016 um 23:57 Uhr
> > > Von: "Gary Bisson" <gary.bisson at boundarydevices.com>
> > > An: "Peter Seiderer" <ps.report at gmx.net>
> > > Cc: buildroot at busybox.net, "Thomas Petazzoni" <thomas.petazzoni at free-electrons.com>
> > > Betreff: Re: [Buildroot] [PATCH v2 1/2] libimxvpuapi: add new package
> >
> > [snip]
> >
> > >
> > > > But I had problems using the imxeglvivsink element and
> > > > with qt5 eglfs, suspecting your 'Update most Freescale packages' patch series
> > > > (using buildroot-2016.02-rc1 with your '[PATCH v3 0/2] gst1-imx: bump version to 0.12.0'
> > > > patches on top), but did not find time yet to investigate further...
> > >
> > > Does a basic gstreamer pipeline work?
> > > # gst-launch-1.0 videotestsrc ! imxeglvivsink
> > >
> >
> > No:
> >
> > $ GST_DEBUG=*:3 gst-launch-1.0 videotestsrc ! imxeglvivsink
> > Setting pipeline to PAUSED ...
> > mxc_sdc_fb fb.20: 1920x1080 h_sync,r,l: 44,88,148  v_sync,l,u: 5,4,36 pixclock=148500000 Hz
> > imx-ipuv3 2800000.ipu: try ipu internal clk
> > imx-ipuv3 2800000.ipu: disp=0, pixel_clk=148500000 148500000 parent=148500000 div=1
> > 0:00:00.229253000   245   0x9d1ee0 ERROR      imxeglplatform_fb egl_platform_fb.c:72:gst_imx_egl_viv_sink_egl_platform_create: eglGetDisplay failed: bad alloc
> > ERROR: Pipeline doesn't want to pause.
> > Setting pipeline to NULL ...
> > Freeing pipeline ...
> > mxc_sdc_fb fb.20: 1920x1080 h_sync,r,l: 44,88,148  v_sync,l,u: 5,4,36 pixclock=148500000 Hz
> > imx-ipuv3 2800000.ipu: try ipu internal clk
> > imx-ipuv3 2800000.ipu: disp=0, pixel_clk=148500000 148500000 parent=148500000 div=1
> >
> > Using Buildroot-2016-02-rc1 with
> > https://patchwork.ozlabs.org/patch/577011/mbox/
> > https://patchwork.ozlabs.org/patch/577012/mbox/
> 
> The setup I tried yesterday was:
> - Buildroot master commit f3fac0dcfdf (post 2016.02-rc1).
> - Plus the two patches you mention above
> 
> > and 'qt5tools: new package' patches on top with the following defconfig (based on
> > the original nitrogen6x_defconfig config):
> >
> > BR2_arm=y
> > BR2_cortex_a9=y
> > BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_14=y
> > BR2_TOOLCHAIN_BUILDROOT_GLIBC=y
> > BR2_GLIBC_VERSION_2_22=y
> > BR2_BINUTILS_VERSION_2_25_X=y
> > BR2_TOOLCHAIN_BUILDROOT_CXX=y
> > BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
> > BR2_TARGET_GENERIC_GETTY_PORT="ttymxc1"
> > BR2_ROOTFS_POST_BUILD_SCRIPT="board/boundarydevices/nitrogen6x/post-build.sh"
> > BR2_ROOTFS_POST_IMAGE_SCRIPT="board/boundarydevices/nitrogen6x/post-image.sh"
> > BR2_LINUX_KERNEL=y
> > BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
> > BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/tarball/f4c8395/linux-imx6-f4c8395.tar.gz"
> > BR2_LINUX_KERNEL_DEFCONFIG="boundary"
> > BR2_LINUX_KERNEL_ZIMAGE=y
> > BR2_LINUX_KERNEL_DTS_SUPPORT=y
> > BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6dl-nit6xlite imx6dl-nitrogen6_vm imx6dl-nitrogen6x imx6q-nitrogen6x imx6q-nitrogen6_max imx6q-sabrelite"
> > BR2_LINUX_KERNEL_INSTALL_TARGET=y
> > BR2_PACKAGE_GSTREAMER1=y
> > BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_APP=y
> > BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_AUDIOTESTSRC=y
> > BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_VIDEOTESTSRC=y
> > BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_ALSA=y
> > BR2_PACKAGE_GST1_PLUGINS_GOOD=y
> > BR2_PACKAGE_GST1_PLUGINS_GOOD_PLUGIN_V4L2=y
> > BR2_PACKAGE_GST1_PLUGINS_BAD=y
> > BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_VIDEOPARSERS=y
> > BR2_PACKAGE_GST1_PLUGINS_UGLY=y
> > BR2_PACKAGE_GST1_IMX=y
> > BR2_PACKAGE_BINUTILS=y
> > BR2_PACKAGE_DEJAVU=y
> > BR2_PACKAGE_QT5=y
> > BR2_PACKAGE_QT5BASE_LICENSE_APPROVED=y
> > BR2_PACKAGE_QT5BASE_SQLITE_SYSTEM=y
> > BR2_PACKAGE_QT5BASE_OPENGL_LIB=y
> > BR2_PACKAGE_QT5BASE_LINUXFB=y
> > BR2_PACKAGE_QT5BASE_EGLFS=y
> > BR2_PACKAGE_QT5BASE_DEFAULT_QPA="eglfs"
> > BR2_PACKAGE_QT5BASE_FONTCONFIG=y
> > BR2_PACKAGE_QT5BASE_GIF=y
> > BR2_PACKAGE_QT5BASE_JPEG=y
> > BR2_PACKAGE_QT5BASE_PNG=y
> > BR2_PACKAGE_QT5GRAPHICALEFFECTS=y
> > BR2_PACKAGE_QT5MULTIMEDIA=y
> > BR2_PACKAGE_QT5QUICKCONTROLS=y
> > BR2_PACKAGE_QT5SERIALPORT=y
> > BR2_PACKAGE_QT5TOOLS=y
> > BR2_PACKAGE_QT5TOOLS_LINGUIST_TOOLS=y
> > BR2_PACKAGE_QT5WEBSOCKETS=y
> > BR2_PACKAGE_QT5SCRIPT=y
> > BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX6Q=y
> > BR2_PACKAGE_IMX_LIB=y
> > BR2_PACKAGE_IMX_GPU_VIV=y
> > BR2_PACKAGE_OPENSSL=y
> > BR2_PACKAGE_LIBV4L=y
> > BR2_PACKAGE_LIBV4L_UTILS=y
> > BR2_PACKAGE_LIBIMXVPUAPI=y
> > BR2_TARGET_ROOTFS_EXT2=y
> > BR2_TARGET_ROOTFS_EXT2_4=y
> > BR2_TARGET_UBOOT=y
> > BR2_TARGET_UBOOT_BOARDNAME="nitrogen6q"
> > BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
> > BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="http://github.com/boundarydevices/u-boot-imx6/tarball/a4070a8/u-boot-a4070a8.tar.gz"
> > BR2_TARGET_UBOOT_FORMAT_IMX=y
> > BR2_PACKAGE_HOST_GENIMAGE=y
> > BR2_PACKAGE_HOST_UBOOT_TOOLS=y
> >
> > > If not there's no wonder qt5 doesn't like it. I haven't tried qt5 but
> > > I'm sure the gstreamer imxeglvivsink does work.
> > >
> >
> > My last working version was based on buildroot-2015.11.1 plus 'qt5: bump version to 5.5.1' and
> > 'qt5tools: new package' on top...
> >
> > > In case you've enabled BR2_PACKAGE_KERNEL_MODULE_IMX_GPU_VIV, you
> > > might need to load the Galcore module manually in case you don't have
> > > eudev for instance:
> > > # insmod /lib/modules/3.14.28/extra/galcore.ko
> >
> > No, working with boundarydevices linux-imx6-f4c8395 and original boundary config
> > and there is a '/dev/galcore' entry on the target...
> 
> Yes but that is the problem. Please try again with
> BR2_PACKAGE_KERNEL_MODULE_IMX_GPU_VIV.
> 
> As you know, 3D graphics libraries match a specific kernel driver.
> Since it was an issue for many people, Vivante started to provide a
> kernel module so you can easily have the latest driver on an older
> kernel.
> 
> Since I've updated the graphics to the latest (5.0.11 p7.1), the
> driver inside the 3.14.28 kernel is outdated so you need to use the
> Vivante kernel module. I didn't for the selection of the kernel module
> when the libraries are selected since some kernels (3.14.52) have the
> correct driver built-in.
> 

Got it now, the missing part was:

 BR2_PACKAGE_KERNEL_MODULE_IMX_GPU_VIV=y

Qt5 eglfs and gstreamer imxeglvivsink are working now...

> Sorry for the confusion but know that if you want to make sure the
> driver matches the user-space blobs, always select the Vivante kernel
> module as I'll make to always update both at the same time.
> 

Maybe a little hint in board/boundarydevices/nitrogen6x/readme.txt would be useful?

Many thanks for your support...

Regards,
Peter

> Regards,
> Gary
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