GPU driver upgrade for old LinuxBSP

torus1000 — Tue, 16 Feb 2016 09:51:13 GMT

2 monthes ago, latest BSP(L.3.14.52) was released and some GPU bugs were fixed.

Please see "i.MX Linux® Release Notes".

* GPU driver upgraded to Vivante v5.0.11p7.4.

* There were 3 kinds of kernel panic bugs.

According to the NOTE** below, driver can be upgraded.

So I want to try upgrading GPU driver (galcore) with old BSP(L3.10.17).

Have ever someone tried to backport/applied those GPU patches to old BSP?

https://github.com/Freescale/kernel-module-imx-gpu-viv

Thanks.

p113 of " i.MX Linux® Reference Manual"
13.1.1.3 Source Code Structure
Table below lists GPU driver kernel module source structure:
<Yocto_BuildDir>/linux/drivers/mxc/gpu-viv
Table 13-1. GPU Driver Files
File Description
Kconfig Kbuild config Kernel configure file and makefile
hal/kernel/arch Hardware-specific driver code for GC2000, GC880, GC400T, and GC320
hal/kernel/archvg Hardware-specific driver code for GC355
hal/kernel Kernel mode HAL driver
hal/os/linux/kernel OS layer HAL driver

NOTE**
If you replace the whole content in this directory, the GPU
kernel driver can be upgraded.

File	Description
Kconfig Kbuild config	Kernel configure file and makefile
hal/kernel/arch	Hardware-specific driver code for GC2000, GC880, GC400T, and GC320
hal/kernel/archvg	Hardware-specific driver code for GC355
hal/kernel	Kernel mode HAL driver
hal/os/linux/kernel	OS layer HAL driver

Re: GPU driver upgrade for old LinuxBSP

art — Thu, 18 Feb 2016 12:38:48 GMT

It seems not to be possible to backport the GPU drivers to earlier kernels, since the GPU hardware-specific code is provided in pre-compiled binary form by the GPU cores vendor.

Have a great day,
Artur

topic Re: GPU driver upgrade for old LinuxBSP in i.MX Processors

GPU driver upgrade for old LinuxBSP

Re: GPU driver upgrade for old LinuxBSP