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drm/i915/gt: Push the GPU cancellation to the backend

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Upon unregistering the user interface, we mark the GPU as wedged to
ensure we push no new work to the GPU, and to flush all current work
from the GPU. Move this call to the GT backend.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200221235135.2883006-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-02-21 23:51:35 +00:00
parent 6f24e41022
commit 6065682f99
2 changed files with 7 additions and 7 deletions
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7
drivers/gpu/drm/i915/gt/intel_gt.c
View File

@ -644,6 +644,13 @@ void intel_gt_driver_remove(struct intel_gt *gt)
void intel_gt_driver_unregister(struct intel_gt *gt)
{
intel_rps_driver_unregister(&gt->rps);
/*
* Upon unregistering the device to prevent any new users, cancel
* all in-flight requests so that we can quickly unbind the active
* resources.
*/
intel_gt_set_wedged(gt);
}
void intel_gt_driver_release(struct intel_gt *gt)

7
drivers/gpu/drm/i915/i915_drv.c
View File

@ -1494,13 +1494,6 @@ void i915_driver_remove(struct drm_i915_private *i915)
i915_driver_unregister(i915);
/*
* After unregistering the device to prevent any new users, cancel
* all in-flight requests so that we can quickly unbind the active
* resources.
*/
intel_gt_set_wedged(&i915->gt);
/* Flush any external code that still may be under the RCU lock */
synchronize_rcu();