topic Re: HDMI custom resolution and clock setting in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097423#M160660 <HTML><HEAD></HEAD><BODY><P>Which version of BSP are you using? </P></BODY></HTML> Wed, 01 Jul 2020 08:45:30 GMT Rita_Wang 2020-07-01T08:45:30Z HDMI custom resolution and clock setting https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097422#M160659 <HTML><HEAD></HEAD><BODY><P>Hi</P><P>I want to add support for 1280*800 and 1366*768 resolution with hdmi display on imx8mq.&nbsp;<SPAN style="color: #333333; background-color: #ffffff;">By reading the code，I found the pixel clock 85.5M(1366*768) and 71.1M(1280*800)&nbsp; was not&nbsp; supported. i am afraid&nbsp; i shouled modify table 8(t28hpc_hdmitx_clock_control_table_pixel_out[]) and table 9(t28hpc_hdmitx_pll_tuning_table_pixel_out[]) to support 85.5M and 71.M. and I have read the&nbsp;IMX8MDQLQRM datesheet. and it does not&nbsp;describe about this. How can I to config these tables?</SPAN></P><P></P><P><SPAN style="color: #333333; background-color: #ffffff;">BR</SPAN></P><P><SPAN style="color: #333333; background-color: #ffffff;">Liu</SPAN></P></BODY></HTML> Mon, 29 Jun 2020 08:00:07 GMT https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097422#M160659 lsg5131420 2020-06-29T08:00:07Z Re: HDMI custom resolution and clock setting https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097423#M160660 <HTML><HEAD></HEAD><BODY><P>Which version of BSP are you using? </P></BODY></HTML> Wed, 01 Jul 2020 08:45:30 GMT https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097423#M160660 Rita_Wang 2020-07-01T08:45:30Z Re: HDMI custom resolution and clock setting https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097424#M160661 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-size: 10.5pt;"> The resolutions 3840x2160,1920x1080, 1280x720, 720x480 are support in our default BSP. For the other resolutions work you need to change the clocks accordingly to the display requirements. <BR /></SPAN></P><P><SPAN style="font-size: 10.5pt;">Here I found the patch based on the Linux 4.14.78-1.0.0_ga version BSP. Hope can do help for you.<BR /></SPAN></P><P></P></BODY></HTML> Wed, 01 Jul 2020 08:50:48 GMT https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097424#M160661 Rita_Wang 2020-07-01T08:50:48Z Re: HDMI custom resolution and clock setting https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097425#M160662 <HTML><HEAD></HEAD><BODY><P>Hi Rita</P><P>Thanks for your reply. I use the BSP version is Linux 4.14.98. I found my quesiton&nbsp; is answered on&nbsp;<A href="https://community.nxp.com/thread/528422">HDMI DRM custom resolution and clock frequency</A>&nbsp;. They use <SPAN style="color: #51626f; background-color: #ffffff;"><SPAN>&nbsp;</SPAN></SPAN><A _jive_internal="true" data-containerid="2004" data-containertype="14" data-content-finding="Community" data-objectid="1291096" data-objecttype="2" href="https://community.nxp.com/servlet/JiveServlet/download/1007-514853-1224555-458676/HDMI - pixel clock calculation.xlsx" style="color: #3d9ce7; background-color: #ffffff; border: 0px; text-decoration: none;">HDMI - pixel clock calculation</A><SPAN style="color: #51626f; background-color: #ffffff;"><SPAN>&nbsp;</SPAN>tools to generate coustom hdmi pixel clock. But I can not download the tools because of no&nbsp;authorization. Please send the tools to me, if that is convinent.</SPAN></P><P><SPAN style="color: #51626f; background-color: #ffffff;">Thanks very much.</SPAN></P><P><SPAN>Best regards</SPAN></P><P><SPAN>Shiguang Liu</SPAN></P><TABLE border="0" cellpadding="0" cellspacing="0" style="color: #333333; border: 0px;"><TBODY><TR><TD class="" style="font-size: 13px;"></TD></TR></TBODY></TABLE></BODY></HTML> Thu, 02 Jul 2020 06:51:35 GMT https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097425#M160662 lsg5131420 2020-07-02T06:51:35Z Re: HDMI custom resolution and clock setting https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097426#M160663 <HTML><HEAD></HEAD><BODY><P>Hi <SPAN>Shiguang,</SPAN></P><P>OK, I will do confirm it and then give you reply.</P><P>Have a nice day</P><P><SPAN>Best regards</SPAN></P><P>Rita</P></BODY></HTML> Thu, 02 Jul 2020 08:56:36 GMT https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097426#M160663 Rita_Wang 2020-07-02T08:56:36Z Re: HDMI custom resolution and clock setting https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097427#M160664 <HTML><HEAD></HEAD><BODY><P>I have email to you, please check.</P></BODY></HTML> Mon, 06 Jul 2020 07:09:09 GMT https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097427#M160664 Rita_Wang 2020-07-06T07:09:09Z Re: HDMI custom resolution and clock setting https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097428#M160665 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #51626f; background-color: #ffffff;">Hi Rita</SPAN></P><P>Thank you very much. It is useful to me.</P><P>Best regards.</P><P>Shiguang Liu</P></BODY></HTML> Tue, 07 Jul 2020 07:12:10 GMT https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097428#M160665 lsg5131420 2020-07-07T07:12:10Z Re: HDMI custom resolution and clock setting https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097429#M160666 <HTML><HEAD></HEAD><BODY><P>You are welcome~~</P></BODY></HTML> Tue, 07 Jul 2020 07:38:06 GMT https://community.nxp.com/t5/i-MX-Processors/HDMI-custom-resolution-and-clock-setting/m-p/1097429#M160666 Rita_Wang 2020-07-07T07:38:06Z