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imx8/lcd: silly work around for display instability

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running at the actual pixel clock causes the screen
to shift horizontally after a while.

using 60% seems to fix it - for now.
This commit is contained in:
cinap_lenrek 2022-06-12 00:21:28 +00:00
parent 931ae0cfeb
commit 1d81f7eacb
1 changed files with 6 additions and 2 deletions
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8
sys/src/9/imx8/lcd.c
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@ -930,8 +930,12 @@ lcdinit(void)
goto out;
}
/* start the pixel clock */
setclkrate("lcdif.pix_clk", "system_pll1_clk", mode.pixclk);
/*
* start the pixel clock. running at the actual pixel clock
* causes the screen to shift horizontally after a while.
* using 60% seems to fix it - for now.
*/
setclkrate("lcdif.pix_clk", "system_pll1_clk", (mode.pixclk*6)/10);
dpiinit(&mode);
/* release dpi reset */