drm/i915: add L3 bank clock gating disable on VLV

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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>

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Jesse Barnes 2012-06-14 11:04:50 -07:00 • committed by Daniel Vetter

parent 6edaa7fcf2

commit e3f33d46fd

2 changed files with 5 additions and 0 deletions

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3

drivers/gpu/drm/i915/i915_reg.h

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2

drivers/gpu/drm/i915/intel_pm.c

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