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drm/i915: don't intel_crt_init on any ULT machines

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We may have DDI_BUF_CTL(PORT_A) configured with 2 lanes and still not
have CRT, so just check for !IS_ULT. This problem happened on a real
machine and resulted in a very ugly dmesg.

Cc: stable@vger.kernel.org
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2013-04-12 18:16:53 -03:00 • committed by Daniel Vetter
parent 6af79ae2ae
commit c40c0f5bd5
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_display.c
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@ -8495,7 +8495,7 @@ static void intel_setup_outputs(struct drm_device *dev)
I915_WRITE(PFIT_CONTROL, 0); I915_WRITE(PFIT_CONTROL, 0);
} }
if (!(HAS_DDI(dev) && (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES))) if (!IS_ULT(dev))
intel_crt_init(dev); intel_crt_init(dev);
if (HAS_DDI(dev)) { if (HAS_DDI(dev)) {