drm/i915: check connector->encoder before using it.

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DP MST will need connectors that aren't connected to specific
encoders, add some checks in advance to avoid oopses.

Reviewed-by: Todd Previte <tprevite@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

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This commit is contained in:

Dave Airlie 2014-05-02 13:44:18 +10:00

parent 44905a27dd

commit 36cd7444c0

3 changed files with 27 additions and 18 deletions

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16

drivers/gpu/drm/i915/i915_debugfs.c

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4

drivers/gpu/drm/i915/i915_irq.c

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25

drivers/gpu/drm/i915/intel_display.c

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