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Revert "drm/i915: Don't enable pipe/plane/VCO early (wait for DPMS on)."

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This reverts commit cfecde435d, since it
seems to cause some systems to not come up with any video output at all
(or video that only comes on when X starts up).

Fixes bugzilla:

    http://bugzilla.kernel.org/show_bug.cgi?id=16163

Reported-and-tested-by: David John <davidjon@xenontk.org>
Tested-by: Nick Bowler <nbowler@elliptictech.com>
Acked-by: Carl Worth <cworth@cworth.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2010-06-08 20:16:28 -07:00
parent f5c98a4094
commit 8d86dc6a5b
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/intel_display.c
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@ -3653,6 +3653,11 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
pipeconf &= ~PIPEACONF_DOUBLE_WIDE;
}
dspcntr |= DISPLAY_PLANE_ENABLE;
pipeconf |= PIPEACONF_ENABLE;
dpll |= DPLL_VCO_ENABLE;
/* Disable the panel fitter if it was on our pipe */
if (!HAS_PCH_SPLIT(dev) && intel_panel_fitter_pipe(dev) == pipe)
I915_WRITE(PFIT_CONTROL, 0);