i.MX Processorsのトピックvideo clock timings during kernel logo https://community.nxp.com/t5/i-MX-Processors/video-clock-timings-during-kernel-logo/m-p/700834#M108857 <HTML><HEAD></HEAD><BODY><P>I use an LCD with a pixel clock of 33MHz.&nbsp; I set my source to pll5 in clk-imx6q.c to allow a clock lower than 38MHz.</P><P>I also display a logo from the kernel.</P><P>However, during the logo display, the pixel clock measure approx. 8MHz.</P><P>After the kernel boots, the pixel clock is 33MHz as desired.</P><P>How can I correct the initial pixel clock?</P><P>I am using an iMX6q, Linux 3.10.</P></BODY></HTML> Tue, 12 Sep 2017 16:07:48 GMT bblock72 2017-09-12T16:07:48Z video clock timings during kernel logo https://community.nxp.com/t5/i-MX-Processors/video-clock-timings-during-kernel-logo/m-p/700834#M108857 <HTML><HEAD></HEAD><BODY><P>I use an LCD with a pixel clock of 33MHz.&nbsp; I set my source to pll5 in clk-imx6q.c to allow a clock lower than 38MHz.</P><P>I also display a logo from the kernel.</P><P>However, during the logo display, the pixel clock measure approx. 8MHz.</P><P>After the kernel boots, the pixel clock is 33MHz as desired.</P><P>How can I correct the initial pixel clock?</P><P>I am using an iMX6q, Linux 3.10.</P></BODY></HTML> Tue, 12 Sep 2017 16:07:48 GMT https://community.nxp.com/t5/i-MX-Processors/video-clock-timings-during-kernel-logo/m-p/700834#M108857 bblock72 2017-09-12T16:07:48Z Re: video clock timings during kernel logo https://community.nxp.com/t5/i-MX-Processors/video-clock-timings-during-kernel-logo/m-p/700835#M108858 <HTML><HEAD></HEAD><BODY><P>Hi Dave</P><P></P><P>please look at patches provided on</P><P><A href="https://community.nxp.com/docs/DOC-98109">Patch to support uboot logo keep from uboot to kernel for NXP Linux and Android BSP (HDMI, LCD and LVDS)</A>&nbsp;</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 12 Sep 2017 23:04:49 GMT https://community.nxp.com/t5/i-MX-Processors/video-clock-timings-during-kernel-logo/m-p/700835#M108858 igorpadykov 2017-09-12T23:04:49Z