i.MX ProcessorsのトピックRe: imx-gpu-viv DRM

imx-gpu-viv DRM

rakesh3 — Tue, 30 May 2023 10:09:06 GMT

Hi Team,

I am using the imx6qsabresd board and running the Qt application or GPU application,using the x11 display server, there i am facing the segmentation fault while running the qt5 app.and i am suspecting the version mismatch between the

lib/arm-linux-gnueabihf/libGLESv1_CM.so" is not at the expected address (wrong library or version mismatch?)

/lib/arm-linux-gnueabihf/libEGL.so.1" is not at the expected address (wrong library or version mismatch?)

lib/arm-linux-gnueabihf/libGLESv2.so" is not at the expected address (wrong library or version mismatch?)

And i am not getting the any output from $dmesg | grep gpu . Do we need to use DEPENDS_append = "libdrm" in imx-gpu-viv_6.4.3.bb file?

Does it need the drm vivante and what causes the library mismatch?

Please give suggestion on this.

Regards,

Re: imx-gpu-viv DRM

Harvey021 — Thu, 01 Jun 2023 05:29:37 GMT

Hi @rakesh3

Might be related to this x11 using EGL is not supported.

Best regards

Harvey

Re: imx-gpu-viv DRM

rakesh3 — Thu, 01 Jun 2023 07:34:04 GMT

Hi Harvey,

Thanks for reply,

i have builded and tested the standard imx6 image on xwayland also,its working well and good.

DISTRO=fsl-imx-xwayland MACHINE=imx8qxpmek source imx-setup-release.sh -b
build-xwayland

But i can see in the LF5.10 Release Note as - Supports EGL 1.5 for fbdev, X11, XWayland

In one case , if I am changing the libEGL.so.1.5.0 to libEGL.so.1.1.0 as upstream EGL lib then i am not getting any segmentation fault here but with gui application its consuming 200% CPU seems that its not using the GPU properly . But since it's been used in the imx-linux-hardknott 5.10 , I want to use the libEGL.so.1.5.0 not libEGL.so.1.1.0(upstream libs).

Please help me on this, how prebuild imx image 5.10 is working well with my qt5 application and all GUI applications, I know its using wayland not x11.

You mean EGL libs are not compatible with X11 distro ?

Should i expect any output in $dmesg | grep gpu as i am getting in nxp repbuild [drm] Initialized vivante 1.0.0 for 1300000.gpu on minor 0

I am not above output in our custom bsp.

Please suggest on this ? what i am missing or why DRM is not getting initialized.?

Regards,

Re: imx-gpu-viv DRM

Harvey021 — Fri, 02 Jun 2023 08:42:00 GMT

Hi @rakesh3

But i can see in the LF5.10 Release Note as - Supports EGL 1.5 for fbdev, X11, XWayland

-> There is updated one in latest Release note. i.MX Linux Release Notes (nxp.com)

You mean EGL libs are not compatible with X11 distro ?

-> As documented in Yocto guide.

Best regards

Harvey