topic How to distribution the “$(CMASIZE)”? in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/How-to-distribution-the-CMASIZE/m-p/817408#M125944 <HTML><HEAD></HEAD><BODY><P>Hi community:</P><P>&nbsp; &nbsp; I notice that the Android8.1 bsp has below&nbsp;<SPAN>BOARD_KERNEL_CMDLINE:</SPAN></P><P></P><P>BOARD_KERNEL_CMDLINE := console=ttymxc0,115200 earlycon=imxuart,0x30860000,115200 init=/init video=HDMI-A-1:1920x1080-32@60 androidboot.console=ttymxc0 consoleblank=0 androidboot.hardware=freescale androidboot.fbTileSupport=enable <STRONG style="color: #ff0000;">cma=$(CMASIZE)</STRONG> androidboot.primary_display=imx-drm firmware_class.path=/vendor/firmware androidboot.selinux=permissive</P><P></P><P>&nbsp;the evk board has 3GB memory ,and its cma=1536M, my question is if I have a 2GB board,how much&nbsp;“$(CMASIZE)” should I&nbsp;distribution? Is there any rules?<BR /><BR />thanks.</P></BODY></HTML> Tue, 23 Oct 2018 00:45:12 GMT 传策薛 2018-10-23T00:45:12Z How to distribution the “$(CMASIZE)”? https://community.nxp.com/t5/i-MX-Processors/How-to-distribution-the-CMASIZE/m-p/817408#M125944 <HTML><HEAD></HEAD><BODY><P>Hi community:</P><P>&nbsp; &nbsp; I notice that the Android8.1 bsp has below&nbsp;<SPAN>BOARD_KERNEL_CMDLINE:</SPAN></P><P></P><P>BOARD_KERNEL_CMDLINE := console=ttymxc0,115200 earlycon=imxuart,0x30860000,115200 init=/init video=HDMI-A-1:1920x1080-32@60 androidboot.console=ttymxc0 consoleblank=0 androidboot.hardware=freescale androidboot.fbTileSupport=enable <STRONG style="color: #ff0000;">cma=$(CMASIZE)</STRONG> androidboot.primary_display=imx-drm firmware_class.path=/vendor/firmware androidboot.selinux=permissive</P><P></P><P>&nbsp;the evk board has 3GB memory ,and its cma=1536M, my question is if I have a 2GB board,how much&nbsp;“$(CMASIZE)” should I&nbsp;distribution? Is there any rules?<BR /><BR />thanks.</P></BODY></HTML> Tue, 23 Oct 2018 00:45:12 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-distribution-the-CMASIZE/m-p/817408#M125944 传策薛 2018-10-23T00:45:12Z Re: How to distribution the “$(CMASIZE)”? https://community.nxp.com/t5/i-MX-Processors/How-to-distribution-the-CMASIZE/m-p/817409#M125945 <HTML><HEAD></HEAD><BODY><P>It is application dependent what value to set.<BR />This option splits the memory with common and continuous (CMA) parts.<BR />So you need to configure as much continuous memory as required. </P><P></P><P></P><P>Have a great day, <BR />Victor <BR /> <BR />----------------------------------------------------------------------------------------------------------------------- <BR />Note: If this post answers your question, please click the Correct Answer button. Thank you! <BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 25 Oct 2018 07:31:05 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-distribution-the-CMASIZE/m-p/817409#M125945 b36401 2018-10-25T07:31:05Z