From abc80abde5bd5962a4ec4e126ab7867c0b5fd195 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 24 Aug 2016 10:27:01 +0100 Subject: [PATCH] drm/i915: Force RC6 restore after system resume and reset 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 Cc: Mika Kuoppala Cc: Sagar Arun Kamble Link: http://patchwork.freedesktop.org/patch/msgid/20160824092701.19178-1-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala --- 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; -- 2.20.1