Re: Vivante graphics driver


Otavio Salvador <otavio.salvador@...>
 

Hello Andy,

On Mon, Oct 28, 2019 at 7:16 AM Andy Pont <andy.pont@...> wrote:
What is the difference between the “Vivante GCCore” driver
(CONFIG_DRM_VIVANTE) available in the 4.14.x kernel and the galcore.ko
file that is being built and to the kernel modules directory on the
target? Do they do the same job? Is it one or the other - in which
case which is best?
We use the kernel module as a way to easy the upgrade of GPU driver
releases. If using the built-in the Linux kernel version needs to
match the GPU driver release while if using the external kernel
module, this is not a requirement.

Another reason is that the external kernel module bring fixes we do as
community.


Secondly, in the tmp/work/…/imx-gpu-viv directory there is a file called
imx-gpu-viv-6.2.4.p4.0-aarch32.bin and likewise in
tmp/work/…/imx-gpu-g2d there is a imx-gpu-g2d-6.2.4.p4.0-arm.bin. I
presume that these are some kind of firmware file but as far as I can
see they aren’t making it into the file system on the target. Do I need
to do something with them?
The version used depends on the target you are building for.

--
Otavio Salvador O.S. Systems
http://www.ossystems.com.br http://code.ossystems.com.br
Mobile: +55 (53) 9 9981-7854 Mobile: +1 (347) 903-9750

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