drm/i915: add L3 bank clock gating disable on VLV
authorJesse Barnes <jbarnes@virtuousgeek.org>
Thu, 14 Jun 2012 18:04:50 +0000 (11:04 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 18 Jun 2012 16:41:47 +0000 (18:41 +0200)
commite3f33d46fd917747e966f8e6d25f2940223ad1ee
tree22cc564065251dfaed46c55d76f5f8d82c5386f4
parent6edaa7fcf287b92fb231a9e23cd6b5b0fc3dddb2
drm/i915: add L3 bank clock gating disable on VLV

Prevents a possible hang: WaDisableL3Bank2xClockGate.

v2: only apply to VLV, IVB doesn't need this anymore

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