MX6 reserved memory for GPU and VPU

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MX6 reserved memory for GPU and VPU

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alexyang
NXP Employee
NXP Employee

Customer LGE wants to use 256MB DRAM on Linux with MX6 and to enable both GPU and VPU.

Display size is WVGA(800X480).

I'm concerning unsufficient DRAM memory if both GPU and VPU are enabled on 256MB memory.

First, Is VPU using the reserved memory or Linux system memory?

2nd, How much can be reduced the reserved memory for GPU, if the display size is WVGA? As I know, default GPU reserved memory is 128M.

LGE prefers to use 256MB due to BOM cost and so I should review LGE's suggestion.

Could you advice me to reduce the reserved memory size?

Thanks in advance,

BRs,

Alex Yang (Korea MPU FAE)

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igorpadykov
NXP Employee
NXP Employee

Hi Sung

please look below

MX6 GPU memory usage

Re: Memory Reserved on i.MX6 for VPU

MX6 VPU  DDR memory requir.jpg

Best regards

igor

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