[Interest] qt 5.11 upgrade results in could not queue DRM page flip error on IMX6 etna

[Dexter Travis]

That worked.

Thank you, for the quick reply.


Dexter

On Tue, Jul 31, 2018 at 10:30 AM Johannes Pointner <h4nn35.work at gmail.com>
wrote:

> Hello Dexter,
>
> try to set the QT_QPA_EGLFS_ALWAYS_SET_MODE variable.
>
>
>
> On Tue, Jul 31, 2018 at 3:14 PM, Dexter Travis
> <dexter.travis at precisionplanting.com> wrote:
> > (apologies for previous message without subject line.)
> >
> > I am attempting to update a working yocto build system with imx6 dual
> plus
> > CPU running the following
> > kernel 4.14 with etnaviv
> > libmesa 17.3.0
> > libdrm 2.4.85
> > qt 5.9.2.  (qt 5.10.x also works)
> >
> > I would like to update to sumo yocto with
> > kernel 4.16 with etnaviv
> > libmesa 17.3.8
> > libdrm 2.4.91
> > qt 5.11
> >
> > This is an embedded device without X11 installed.
> >
> > When I run Qt5_CinematicExperience -platform eglfs I get an error "Could
> not
> > queue DRM page flip on screen LVDS1 (Invalid argument)"  I get the same
> > error with my custom application.
> >
> > If I run with -platform linuxfb the application runs correctly.
> >
> > I have swapped out libdrm, the kernel and libmesa version and find that
> the
> > problem seems to follow my upgrade to qt 5.11.  Said another way,
> swapping
> > the components listed above leads me to believe the problem is with the
> qt
> > upgrade.  Running qt 5.11 with the other originally working components
> does
> > not work.
> >
> > Looking at the configure log for qtbase (5.11) it looks like all the same
> > opengl options are configured as were configured in 5.9 and 5.10. See
> below.
> >
> > qt 5.11 configure log details. This qt does not work.
> > QPA backends:
> > 1185   DirectFB ............................... no
> > 1186   EGLFS .................................. yes
> > 1187   EGLFS details:
> > 1188     EGLFS OpenWFD ........................ no
> > 1189     EGLFS i.Mx6 .......................... no
> > 1190     EGLFS i.Mx6 Wayland .................. no
> > 1191     EGLFS RCAR ........................... no
> > 1192     EGLFS EGLDevice ...................... yes
> > 1193     EGLFS GBM ............................ yes
> > 1194     EGLFS VSP2 ........................... no
> > 1195     EGLFS Mali ........................... no
> > 1196     EGLFS Raspberry Pi ................... no
> > 1197     EGL on X11 ........................... no
> > 1198   LinuxFB ................................ yes
> > 1199   VNC .................................... yes
> > 1200   Mir client ............................. no
> >
> > qt 5.10.1 working configure section
> >  QPA backends:
> > 1173   DirectFB ............................... no
> > 1174   EGLFS .................................. yes
> > 1175   EGLFS details:
> > 1176     EGLFS OpenWFD ........................ no
> > 1177     EGLFS i.Mx6 .......................... no
> > 1178     EGLFS i.Mx6 Wayland .................. no
> > 1179     EGLFS RCAR ........................... no
> > 1180     EGLFS EGLDevice ...................... yes
> > 1181     EGLFS GBM ............................ yes
> > 1182     EGLFS Mali ........................... no
> > 1183     EGLFS Raspberry Pi ................... no
> > 1184     EGL on X11 ........................... no
> > 1185   LinuxFB ................................ yes
> > 1186   VNC .................................... yes
> > 1187   Mir client ............................. no
> >
> >
> > I would appreciate any help with this issue.
> >
> >
> >
> > Thank you,
> >
> >
> > Dexter
> >
> > _______________________________________________
> > Interest mailing list
> > Interest at qt-project.org
> > http://lists.qt-project.org/mailman/listinfo/interest
> >
>
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