drm/i915: add TDL unit clock gating disable for VLV
authorJesse Barnes <jbarnes@virtuousgeek.org>
Thu, 14 Jun 2012 18:04:49 +0000 (11:04 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 18 Jun 2012 16:41:14 +0000 (18:41 +0200)
commit6edaa7fcf287b92fb231a9e23cd6b5b0fc3dddb2
tree6a7f3696b02c91982e855387654b9897e75d47e6
parentb4ae3f22d238617ca11610b29fde16cf8c0bc6e0
drm/i915: add TDL unit clock gating disable for VLV

Another required workaround for a potential hang:
WaDisableTDLUnitClockGating.

v2: only apply this to VLV, IVB doesn't need it anymore (Eugeni)

References: https://bugs.freedesktop.org/show_bug.cgi?id=50245
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_pm.c