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drm/i915: No need to wait for idle on L3 remap
author
Chris Wilson
<chris@chris-wilson.co.uk>
Fri, 24 Jun 2016 13:55:56 +0000
(14:55 +0100)
committer
Chris Wilson
<chris@chris-wilson.co.uk>
Fri, 24 Jun 2016 14:03:06 +0000
(15:03 +0100)
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
drivers/gpu/drm/i915/i915_sysfs.c
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diff --git
a/drivers/gpu/drm/i915/i915_sysfs.c
b/drivers/gpu/drm/i915/i915_sysfs.c
index
02507bf
..
a6e90fe
100644
(file)
--- a/
drivers/gpu/drm/i915/i915_sysfs.c
+++ b/
drivers/gpu/drm/i915/i915_sysfs.c
@@
-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.