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drm/i915: Restore all GGTT VMAs on resume

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When rotated and partial views were added no one spotted the resume
path which assumes only one GGTT VMA per object and hence is now
skipping rebind of alternative views.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Tvrtko Ursulin 2015-07-06 15:15:01 +01:00 committed by Daniel Vetter
parent 0d7b6b1182
commit 2c3d99845e
1 changed files with 16 additions and 7 deletions
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23
drivers/gpu/drm/i915/i915_gem_gtt.c
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@ -2546,6 +2546,8 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
struct i915_address_space *vm;
struct i915_vma *vma;
bool flush;
i915_check_and_clear_faults(dev);
@ -2555,17 +2557,24 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
dev_priv->gtt.base.total,
true);
/* Cache flush objects bound into GGTT and rebind them. */
vm = &dev_priv->gtt.base;
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
struct i915_vma *vma = i915_gem_obj_to_vma(obj,
&dev_priv->gtt.base);
if (!vma)
continue;
flush = false;
list_for_each_entry(vma, &obj->vma_list, vma_link) {
if (vma->vm != vm)
continue;
i915_gem_clflush_object(obj, obj->pin_display);
WARN_ON(i915_vma_bind(vma, obj->cache_level, PIN_UPDATE));
WARN_ON(i915_vma_bind(vma, obj->cache_level,
PIN_UPDATE));
flush = true;
}
if (flush)
i915_gem_clflush_object(obj, obj->pin_display);
}
if (INTEL_INFO(dev)->gen >= 8) {
if (IS_CHERRYVIEW(dev) || IS_BROXTON(dev))
chv_setup_private_ppat(dev_priv);