i.MX ProcessorsのトピックMX6 reserved memory for GPU and VPU https://community.nxp.com/t5/i-MX-Processors/MX6-reserved-memory-for-GPU-and-VPU/m-p/331340#M44752 <HTML><HEAD></HEAD><BODY><P>Customer LGE wants to use 256MB DRAM on Linux with MX6 and to enable both GPU and VPU.</P><P>Display size is WVGA(800X480).</P><P></P><P>I'm concerning unsufficient DRAM memory if both GPU and VPU are enabled on 256MB memory.</P><P></P><P>First, Is VPU using the reserved memory or Linux system memory?</P><P>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.</P><P></P><P>LGE prefers to use 256MB due to BOM cost and so I should review LGE's suggestion.</P><P></P><P>Could you advice me to reduce the reserved memory size?</P><P></P><P>Thanks in advance,</P><P></P><P>BRs,</P><P>Alex Yang (Korea MPU FAE)</P></BODY></HTML> Mon, 08 Dec 2014 07:34:42 GMT alexyang 2014-12-08T07:34:42Z MX6 reserved memory for GPU and VPU https://community.nxp.com/t5/i-MX-Processors/MX6-reserved-memory-for-GPU-and-VPU/m-p/331340#M44752 <HTML><HEAD></HEAD><BODY><P>Customer LGE wants to use 256MB DRAM on Linux with MX6 and to enable both GPU and VPU.</P><P>Display size is WVGA(800X480).</P><P></P><P>I'm concerning unsufficient DRAM memory if both GPU and VPU are enabled on 256MB memory.</P><P></P><P>First, Is VPU using the reserved memory or Linux system memory?</P><P>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.</P><P></P><P>LGE prefers to use 256MB due to BOM cost and so I should review LGE's suggestion.</P><P></P><P>Could you advice me to reduce the reserved memory size?</P><P></P><P>Thanks in advance,</P><P></P><P>BRs,</P><P>Alex Yang (Korea MPU FAE)</P></BODY></HTML> Mon, 08 Dec 2014 07:34:42 GMT https://community.nxp.com/t5/i-MX-Processors/MX6-reserved-memory-for-GPU-and-VPU/m-p/331340#M44752 alexyang 2014-12-08T07:34:42Z Re: MX6 reserved memory for GPU and VPU https://community.nxp.com/t5/i-MX-Processors/MX6-reserved-memory-for-GPU-and-VPU/m-p/331341#M44753 <HTML><HEAD></HEAD><BODY><P>Hi Sung</P><P></P><P>please look below</P><P></P><P><A href="https://community.nxp.com/thread/328039">MX6 GPU memory usage</A></P><P><A href="https://community.nxp.com/message/341607">Re: Memory Reserved on i.MX6 for VPU</A></P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="MX6 VPU DDR memory requir.jpg"><img src="https://community.nxp.com/t5/image/serverpage/image-id/47932i2FA504EEE1FD74DF/image-size/large?v=v2&amp;px=999" role="button" title="MX6 VPU DDR memory requir.jpg" alt="MX6 VPU DDR memory requir.jpg" /></span></P><P></P><P>Best regards</P><P>igor</P></BODY></HTML> Mon, 08 Dec 2014 08:31:17 GMT https://community.nxp.com/t5/i-MX-Processors/MX6-reserved-memory-for-GPU-and-VPU/m-p/331341#M44753 igorpadykov 2014-12-08T08:31:17Z