Date: Wed, 11 Feb 2015 10:41:41 -0500 From: "Ian FREISLICH" <ianf@capeaugusta.com> To: freebsd-current@freebsd.org Subject: r277959 breaks X display on IvyBridge mobile GT2 IG Message-ID: <E1YLZQ5-000GX8-Pk@clue.co.za>
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Hi
With this commit my display blanks and never lights up when X starts.
[zen] /usr/src # svn diff -r 277958:277959
Index: sys/dev/drm2/i915/intel_display.c
===================================================================
--- sys/dev/drm2/i915/intel_display.c (revision 277958)
+++ sys/dev/drm2/i915/intel_display.c (revision 277959)
@@ -6995,7 +6995,7 @@
*/
I915_WRITE(BLC_PWM_CPU_CTL2, PWM_ENABLE);
I915_WRITE(BLC_PWM_CPU_CTL, 0);
- I915_WRITE(BLC_PWM_PCH_CTL1, PWM_ENABLE | (1<<30));
+ I915_WRITE(BLC_PWM_PCH_CTL1, PWM_ENABLE);
}
void intel_modeset_init_hw(struct drm_device *dev)
vgapci0@pci0:0:2:0: class=0x030000 card=0x15171043 chip=0x01668086 rev=0x09
hdr=0x00
vendor = 'Intel Corporation'
device = '3rd Gen Core processor Graphics Controller'
class = display
subclass = VGA
cap 05[90] = MSI supports 1 message enabled with 1 message
cap 01[d0] = powerspec 2 supports D0 D3 current D0
cap 13[a4] = PCI Advanced Features: FLR TP
Ian
--
Ian Freislich
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