Chris Wilson b5163dbb17 drm/i915: Fix nesting of rps.mutex and struct_mutex during powersave init ... During intel_gt_powersave_init() we take the RPS mutex to ensure that all locking requirements are met as we talk to the punit, but we also require the struct_mutex for allocating a slice of the global GTT for a power context on Valleyview. struct_mutex must be the outer lock here, as we nest rps.mutex inside later on. Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Fixes: 773ea9a801 ("drm/i915: Perform static RPS frequency setup before...") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1470833904-29886-1-git-send-email-chris@chris-wilson.co.uk Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>		2016-08-10 16:07:36 +01:00
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drm	drm/i915: Fix nesting of rps.mutex and struct_mutex during powersave init	2016-08-10 16:07:36 +01:00
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ipu-v3
vga
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