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3834dc1f0e
Resetting the GPU doesn't affect the RPS/RC6 state, so we can stop forcibly reloading the registers. Ville suggested this many moons ago, I said at that time that sanitizing was no harm and meant that our bookkeeping was kept consistent with the HW. However, in a forthcoming series, we want to split rps/rc6 GT powermanagement and one of the key simplifications is the control of when we enable it. Performing a crude sanitize in the middle of i915_gem_reset() is then a huge wart. Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180410133354.13425-1-chris@chris-wilson.co.uk |
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