drm/i915: Reinitialize HPD after runtime D3
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Thu, 27 Aug 2015 20:56:08 +0000 (23:56 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 2 Sep 2015 14:57:03 +0000 (16:57 +0200)
commit08d8a232aa5e145f995a98ac7f3de55e2fe6832b
tree19c05bd04f4334063277a47ad1cd7167b126048b
parent74c0b395fce4c807a49c404fb59462b22069b001
drm/i915: Reinitialize HPD after runtime D3

Runtime suspends disabled all interrupts, so in order to get them back
fully we need to also do the HPD irq setup on runtime resume. Except
on VLV/CHV where the display interrupt initialization is part of the
display power well powerup.

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_drv.c