[Intel-gfx] [PATCH 4/6] drm/i915: No need to wait for idle on L3 remap

[Chris Wilson]

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 at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_sysfs.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 02507bfc8def..a6e90fe05a1e 100644
--- 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.
-- 
2.8.1