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

This reverts commit cfecde435dda78248d6fcdc424bed68d5db6be0b, 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>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2861da3aaf7ebd793c29e78a42a712c8cf18847e..cc8131ff319f3f0d243a15c0ddd924c1a93b8147 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -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);