drm/i915: make DP work on LPT-LP machines
authorPaulo Zanoni <paulo.r.zanoni@intel.com>
Tue, 20 Nov 2012 17:12:07 +0000 (15:12 -0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 21 Nov 2012 16:47:08 +0000 (17:47 +0100)
commit17a303ec7cd5a245c621b6d0898eb3ef9fc96329
tree35d90637b3b1740526740d32b23bbc8ef73af0e7
parentc54e59046c825266ca0decdac47fcfcf902b6cd6
drm/i915: make DP work on LPT-LP machines

We need to enable a special bit, otherwise none of the DP functions
requiring the PCH will work.

Version 2: store the PCH ID inside dev_priv, as suggested by Daniel
Vetter.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_drv.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_pm.c