mali r5p0-06rel0 odroidxu3

(https://github.com/ARM-software/linux/tree/odroidxu3-3.10.y-mali-midgard-r5p0)

The kernel builds & boots successfully, and the mali_kbase module loads without complaint, but when I try and run any OpenCL code the application terminates with an Unknown OpenCL error.

With strace I have narrowed this down to a missing /dev/mali0 sysfs handle, which doesn't make much sense as the kernel module is clearly loaded (according to lsmod anyway).

The kernel module was built with the odroidxu3_defconfig file available and has options configured like so:

$ grep MALI .config

CONFIG_MALI_MIDGARD=m

CONFIG_MALI_GATOR_SUPPORT=y

CONFIG_MALI_MIDGARD_DVFS=y

CONFIG_MALI_MIDGARD_RT_PM=y

# CONFIG_MALI_MIDGARD_ENABLE_TRACE is not set

CONFIG_MALI_MIDGARD_DEBUG_SYS=y

CONFIG_MALI_EXPERT=y

# CONFIG_MALI_DEVFREQ is not set

CONFIG_MALI_DEBUG_SHADER_SPLIT_FS=y

CONFIG_MALI_PLATFORM_FAKE=y

CONFIG_MALI_PLATFORM_THIRDPARTY=y

CONFIG_MALI_PLATFORM_THIRDPARTY_NAME="5422"

# CONFIG_MALI_DEBUG is not set

# CONFIG_MALI_NO_MALI is not set

# CONFIG_MALI_TRACE_TIMELINE is not set

# CONFIG_MALI_SYSTEM_TRACE is not set

# CONFIG_MALI_GPU_TRACEPOINTS is not set

I've tried a couple of combinations of options, but I can't seem to get /dev/mali0 to show up in the sysfs tree, despite the module clearly being loaded:

$ lsmod | grep mali

mali_kbase 236932 0

I have the appropriate binary drivers for the T62X (r5p0-06rel0) installed.

Neither the X11 or fbdev versions make any difference. I don't imagine either of those have any chance of working with the /dev/mali0 device missing.

Does anyone have any further suggestions for what I can try?

There are these two potentially relevant message relating to the Mali device in dmesg:

[    7.895860] [c6] mali 11800000.mali: Invalid irq res name: '/mali'

[    7.900908] [c6] mali: probe of 11800000.mali failed with error -22

Thanks.

(https://github.com/ARM-software/linux/tree/odroidxu3-3.10.y-mali-midgard-r5p0)

The kernel builds & boots successfully, and the mali_kbase module loads without complaint, but when I try and run any OpenCL code the application terminates with an Unknown OpenCL error.

With strace I have narrowed this down to a missing /dev/mali0 sysfs handle, which doesn't make much sense as the kernel module is clearly loaded (according to lsmod anyway).

The kernel module was built with the odroidxu3_defconfig file available and has options configured like so:

$ grep MALI .config

CONFIG_MALI_MIDGARD=m

CONFIG_MALI_GATOR_SUPPORT=y

CONFIG_MALI_MIDGARD_DVFS=y

CONFIG_MALI_MIDGARD_RT_PM=y

# CONFIG_MALI_MIDGARD_ENABLE_TRACE is not set

CONFIG_MALI_MIDGARD_DEBUG_SYS=y

CONFIG_MALI_EXPERT=y

# CONFIG_MALI_DEVFREQ is not set

CONFIG_MALI_DEBUG_SHADER_SPLIT_FS=y

CONFIG_MALI_PLATFORM_FAKE=y

CONFIG_MALI_PLATFORM_THIRDPARTY=y

CONFIG_MALI_PLATFORM_THIRDPARTY_NAME="5422"

# CONFIG_MALI_DEBUG is not set

# CONFIG_MALI_NO_MALI is not set

# CONFIG_MALI_TRACE_TIMELINE is not set

# CONFIG_MALI_SYSTEM_TRACE is not set

# CONFIG_MALI_GPU_TRACEPOINTS is not set

I've tried a couple of combinations of options, but I can't seem to get /dev/mali0 to show up in the sysfs tree, despite the module clearly being loaded:

$ lsmod | grep mali

mali_kbase 236932 0

I have the appropriate binary drivers for the T62X (r5p0-06rel0) installed.

Neither the X11 or fbdev versions make any difference. I don't imagine either of those have any chance of working with the /dev/mali0 device missing.

Does anyone have any further suggestions for what I can try?

There are these two potentially relevant message relating to the Mali device in dmesg:

[    7.895860] [c6] mali 11800000.mali: Invalid irq res name: '/mali'

[    7.900908] [c6] mali: probe of 11800000.mali failed with error -22

Thanks.