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How to set DPI on imx8mq board

Question asked by coin du on May 14, 2019
Latest reply on May 16, 2019 by Bio_TICFSL


         I want to know to how set DPI in linux 4.9.88_2.0.0 system. 

         a 10-inch screen to display weston desktop with lvds signal .Through a mipi to lvds IC.

         when run the qt5`s example I found the font size is very small .  I search the environment ,but not find the similar value such as export QWS_DISPLAY . Can anyone tell me how to set it.