On 09.01.2014 07:06, Hiremath, Vaibhav wrote:
Tomi,
I am seeing underflow issue on AM43x device if I use omapfb_vram argument.
Did you see this on OMAP?
I am using "omapfb_vram=10M@0xA0000000", and I believe it is correct way of
usage.
Thanks,
Vaibhav
AFAIK underflow interrupts could come from badly calculated DSS core
clock or bad HW resizer setup and should be unrelated to the memory
allocation. It might be something similar to the problem I have on N900
- see https://lkml.org/lkml/2014/1/6/173
Is it possible to upload the video you have problems with, so me to test
it on N900? So far I didn't see any underflow issues on it (N900 is
OMAP3, in case you're not aware), no matter the resolution of the videos
I played(up to 720p), however I didn't test the part that allocates the
memory on a pre-defined address. Though I don't think that should matter.
Ivo
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