IMX6q GPU driver, galcore does not load

[victhorf]

I have been trying to enable 3D acceleration on an i.MX6Q SABRE Lite board using a custom kernel, built from Freescale's kernel tree, rel_imx_3.0.35_4.0.0 release . Unfortunately, the galcore module doesn't load:

galcore: probe of galcore.0 failed with error -22

Output of uname -a:

Linux alarm 3.0.35-02864-g54750ff #21 SMP PREEMPT Sun Jun 16 21:09:43 BRT 2013 armv7l GNU/Linux

Kernel command line:

video=mxcfb0:dev=hdmi,1280x720M@60,if=RGB24 video=mxcfb1:off video=mxcfb2:off fbmem=28M console=ttymxc1,115200 vmalloc=192M root=/dev/mmcblk0p1 rootwait consoleblank=0 enable_wait_mode=off

dmesg log and kernel configuration are attached.

Original Attachment has been moved to: dmesg.log.zip

Original Attachment has been moved to: config.zip

[victhorf]

Is Freescale planning to release hardfloat binaries for the GPU driver? I wasn't able to use these drivers: https://community.freescale.com/message/328221 on a Linaro 12.04 hardfloat build. The GPU does work as expected on a softfloat build (Freescale release 4.0.0). The hardfloat build fails to start Xorg with the following errors:

[    17.635] (EE) VIVANTE(0): internal error: GPU Ctx Init Failed

[    17.635] (EE) VIVANTE(0): internal error: initExaLayer failed in VivScreenInit()

On both cases the same kernel was used, built using LTIB, default settings.

[mtx512]

The Timesys hardfloat binaries for BSP 1.1.0 work fine with Linaro, haven't tried the 4.0.0 binaries.

[karina_valencia · Accepted solution]

Re: IMX6q GPU driver, galcore does not load

PrabhuSundararaj Jun 18, 2013 2:59 PM (in response to imxcommunityscout)

The galcore is a built-in module in the BSP release. If you are building custom kernel and decided to load the modules, makesure the modules are correctly installed. Does the prebuilt kernel works for you?

[victhorf]

Yes, prebuilt kernel works.