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intel_extreme: Undo a suspect PLL change from mmlr's branch

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Alexander von Gluck IV
2015-11-01 08:35:11 -06:00
parent 57b86ef335
commit 62fbfdaa79
1 changed files with 3 additions and 1 deletions
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src/add-ons/accelerants/intel_extreme/Ports.cpp
+3 -1
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@@ -252,7 +252,9 @@ AnalogPort::SetDisplayMode(display_mode* target, uint32 colorMode)
pll |= DISPLAY_PLL_POST1_DIVIDE_2; pll |= DISPLAY_PLL_POST1_DIVIDE_2;
} }
write32(INTEL_DISPLAY_A_PLL, pll); // Programmer's Ref says we must allow the DPLL to "warm up" before starting the plane
// so mask its bit, wait, enable its bit
write32(INTEL_DISPLAY_A_PLL, pll & ~DISPLAY_PLL_NO_VGA_CONTROL);
read32(INTEL_DISPLAY_A_PLL); read32(INTEL_DISPLAY_A_PLL);
spin(150); spin(150);
write32(INTEL_DISPLAY_A_PLL, pll); write32(INTEL_DISPLAY_A_PLL, pll);