From: Chris Wilson Date: Fri, 9 Sep 2016 19:02:18 +0000 (+0100) Subject: drm/i915: Shrink objects prior to hibernation X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7aab2d534e35177cb08aed4075aa200b368ad496;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Reviewed-by: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/20160909190218.16831-1-chris@chris-wilson.co.uk --- 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;