In order for the RC6 autoenable worker to take any action, RC6 first
must be disabled. Upon resume or reset, the sw state may be stale and so
we require a forced restore.
Fixes: b7137e0cf1e5 ("drm/i915: Defer enabling rc6 til after we submit...")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Cc: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 5a7c0c2e57d8..fc9273215286 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1560,6 +1560,7 @@ static int i915_drm_resume(struct drm_device *dev)
int ret;
disable_rpm_wakeref_asserts(dev_priv);
+ intel_sanitize_gt_powersave(dev_priv);
ret = i915_ggtt_enable_hw(dev_priv);
if (ret)
@@ -1809,6 +1810,7 @@ int i915_reset(struct drm_i915_private *dev_priv)
* previous concerns that it doesn't respond well to some forms
* of re-init after reset.
*/
+ intel_sanitize_gt_powersave(dev_priv);
intel_autoenable_gt_powersave(dev_priv);
return 0;
--
2.9.3
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