diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-09-09 22:02:18 +0300 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-09-09 22:07:46 +0300 |
commit | 7aab2d534e35177cb08aed4075aa200b368ad496 (patch) | |
tree | 789ac068d68203f17da04de0276e7ed350ff99ae /drivers/gpu/drm/i915 | |
parent | 851ba2d6977d6ada31366ae0b791a69132f2c8a7 (diff) | |
download | linux-7aab2d534e35177cb08aed4075aa200b368ad496.tar.xz |
drm/i915: Shrink objects prior to hibernation
In an attempt to keep the hibernation image as same as possible, let's
try and discard any unwanted pages and our own page arrays.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160909190218.16831-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 4b5364d477f1..c8bd02277b7d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4589,6 +4589,11 @@ void i915_gem_load_cleanup(struct drm_device *dev) int i915_gem_freeze_late(struct drm_i915_private *dev_priv) { struct drm_i915_gem_object *obj; + struct list_head *phases[] = { + &dev_priv->mm.unbound_list, + &dev_priv->mm.bound_list, + NULL + }, **p; /* Called just before we write the hibernation image. * @@ -4599,16 +4604,18 @@ int i915_gem_freeze_late(struct drm_i915_private *dev_priv) * * To make sure the hibernation image contains the latest state, * we update that state just before writing out the image. + * + * To try and reduce the hibernation image, we manually shrink + * the objects as well. */ - list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) { - obj->base.read_domains = I915_GEM_DOMAIN_CPU; - obj->base.write_domain = I915_GEM_DOMAIN_CPU; - } + i915_gem_shrink_all(dev_priv); - list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { - obj->base.read_domains = I915_GEM_DOMAIN_CPU; - obj->base.write_domain = I915_GEM_DOMAIN_CPU; + for (p = phases; *p; p++) { + list_for_each_entry(obj, *p, global_list) { + obj->base.read_domains = I915_GEM_DOMAIN_CPU; + obj->base.write_domain = I915_GEM_DOMAIN_CPU; + } } return 0; |