[PATCH 49/54] drm/i915: Don't fiddle with rps/rc6 across GPU reset

Chris Wilson chris at chris-wilson.co.uk
Fri Apr 6 16:57:51 UTC 2018


Resetting the GPU doesn't affect the RPS/RC6 state, so we can stop
forcibly reloading the registers.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b9d6bd86585e..26a0ea03e20b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3208,10 +3208,6 @@ void i915_gem_reset(struct drm_i915_private *dev_priv)
 	}
 
 	i915_gem_restore_fences(dev_priv);
-
-	intel_gt_pm_enable_rc6(dev_priv);
-	if (dev_priv->gt.awake)
-		intel_gt_pm_busy(dev_priv);
 }
 
 void i915_gem_reset_finish_engine(struct intel_engine_cs *engine)
-- 
2.17.0



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