drm/i915/bdw: Implement Wa4x4STCOptimizationDisable:bdw

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Not implementing this W/A can lead to hangs.

Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Cc: Rafael Barbalho <rafael.barbalho@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Damien Lespiau 2014-03-26 18:41:51 +00:00 • committed by Daniel Vetter

parent e568af1c62

commit 5d708680ea

2 changed files with 6 additions and 1 deletions

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3

drivers/gpu/drm/i915/i915_reg.h

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4

drivers/gpu/drm/i915/intel_pm.c

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