drm/i915: Enable panel fitting for eDP

When trying to set other display mode besides the fixed panel mode, the
panel fitting should be enabled. This is similar to LVDS.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
1 file changed