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Commit a4945f95 authored by Chris Wilson's avatar Chris Wilson Committed by Daniel Vetter
Browse files

drm/i915: Undo the PIPEA quirk for i845 



The PIPEA quirk is specifically for the issue with the PIPEB PLL on
830gm being slaved to the PIPEA PLL, and so to use PIPEB requires PIPEA
running. i845 doesn't even have the second PLL or pipe, and enabling
the quirk results in a blank DVO LVDS.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent eda79642

drivers/gpu/drm/i915/intel_display.c

+1 −2
Original line number Diff line number Diff line
@@ -10305,8 +10305,7 @@ static struct intel_quirk intel_quirks[] = { 
	/* ThinkPad T60 needs pipe A force quirk (bug #16494) */

	{ 0x2782, 0x17aa, 0x201a, quirk_pipea_force },



	/* 830/845 need to leave pipe A & dpll A up */

	{ 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },

	/* 830 needs to leave pipe A & dpll A up */

	{ 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },



	/* Lenovo U160 cannot use SSC on LVDS */