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drm/i915: No need to wait for idle on L3 remap

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As the L3 remapping is applied before the next execution, there is no
need to wait until all previous uses are idle, the application will not
occur any sooner.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1466776558-21516-5-git-send-email-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-06-24 14:55:56 +01:00
parent a168b2d8a5
commit ec602a0dfb
1 changed files with 0 additions and 7 deletions
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7
drivers/gpu/drm/i915/i915_sysfs.c
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@ -227,13 +227,6 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
}
}
ret = i915_gpu_idle(drm_dev);
if (ret) {
kfree(temp);
mutex_unlock(&drm_dev->struct_mutex);
return ret;
}
/* TODO: Ideally we really want a GPU reset here to make sure errors
* aren't propagated. Since I cannot find a stable way to reset the GPU
* at this point it is left as a TODO.