On Wed, 2009-05-06 at 20:32 +0800, Jeff wrote:
> I am working on DM355 EVM. Before I changed the dma.c code, I can not get
> work for playing video while playing audio.
> I changed dma.c code as below:
>
> static unsigned long param_entry_arm[] = {
> #ifdef CONFIG_ARCH_DAVINCI_DM355
> 0xFFFFFFFFu, 0x00000000u, 0x00000000u, 0xFFFFFFC0u,
> #else
> 0xffffffff, 0xffffffff, 0x0000ffff, 0xffffffff,
> #endif
> 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
> 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
> 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff
> };
>
> The original code is as below:
> static unsigned long param_entry_arm[] = {
> 0xffffffff, 0xffffffff, 0x0000ffff, 0xffffffff,
> 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
> 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
> 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff
> };
>
> at this stage, i can not get work for playing video with audio. It will get
> stuck in 2 secs.
>
DM355 EVM has performance issues when playing video and audio at the
same time. Improving dm355 performance is in my to-do list.
Regards,
Steve
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