drm/i915: bdw: fix RC6 enabled status reporting and disable runtime PM
On BDW we don't enable RC6 at the moment, but this isn't reflected in the (sanitized) i915.enable_rc6 option. So make enable_rc6 report correctly that RC6 is disabled, which will also effectively disable RPM on BDW (since RPM depends on RC6). Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=77565 Signed-off-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -3260,6 +3260,10 @@ static int sanitize_rc6_option(const struct drm_device *dev, int enable_rc6)
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if (INTEL_INFO(dev)->gen == 5 && !IS_IRONLAKE_M(dev))
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return 0;
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/* Disable RC6 on Broadwell for now */
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if (IS_BROADWELL(dev))
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return 0;
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/* Respect the kernel parameter if it is set */
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if (enable_rc6 >= 0) {
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int mask;
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