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drm/i915: Only reset the pinned kernel contexts on resume

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On resume, we know that the only pinned contexts in danger of seeing
corruption are the kernel context, and so we do not need to walk the
list of all GEM contexts as we tracked them on each engine.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190410190120.830-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2019-04-10 20:01:20 +01:00
parent feb8846b3a
commit 9726920b7e
8 changed files with 60 additions and 45 deletions
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9
drivers/gpu/drm/i915/i915_gem.c
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@@ -4513,7 +4513,7 @@ void i915_gem_resume(struct drm_i915_private *i915)
* guarantee that the context image is complete. So let's just reset
* it and start again.
*/
i915->gt.resume(i915);
intel_gt_resume(i915);
if (i915_gem_init_hw(i915))
goto err_wedged;
@@ -4853,13 +4853,10 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
dev_priv->mm.unordered_timeline = dma_fence_context_alloc(1);
if (HAS_LOGICAL_RING_CONTEXTS(dev_priv)) {
dev_priv->gt.resume = intel_lr_context_resume;
if (HAS_LOGICAL_RING_CONTEXTS(dev_priv))
dev_priv->gt.cleanup_engine = intel_logical_ring_cleanup;
} else {
dev_priv->gt.resume = intel_legacy_submission_resume;
else
dev_priv->gt.cleanup_engine = intel_engine_cleanup;
}
i915_timelines_init(dev_priv);