Chris Wilson c9c0f5ea1b drm/i915: During shrink_all we only need to idle the GPU ... We can forgo an evict-everything here as the shrinker operation itself will unbind any vma as required. If we explicitly idle the GPU through a switch to the default context, we not only create a request in an illegal context (e.g. whilst shrinking during execbuf with a request already allocated), but switching to the default context will not free up the memory backing the active contexts - unless in the unlikely situation that context had already been closed (and just kept arrive by being the current context). The saving is near zero and the danger real. To compensate for the loss of the forced retire, add a couple of retire-requests to i915_gem_shirnk() - this should help free up any transitive cache from the requests. Note that the second retire_requests is for the benefit of the hand-rolled execlist ctx active tracking: We need to manually kick requests to get those unpinned again. Once that's fixed we can try to remove this again. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> [danvet: Add summary of why we need a pile of retire_requests.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>		2015-10-07 16:05:39 +02:00
..
drm	drm/i915: During shrink_all we only need to idle the GPU	2015-10-07 16:05:39 +02:00
host1x	gpu: host1x: mipi: Power down regulators when unused	2015-08-13 13:47:21 +02:00
ipu-v3	gpu/drm: Kill off set_irq_flags usage	2015-09-16 16:53:38 +02:00
vga	vga_switcheroo: Set active attribute to false for audio clients	2015-09-24 20:14:25 +02:00
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