After we plumb our code to support multiple address spaces (VMs), there are a few situations where we want to be able to traverse the list of all address spaces in the system. Cases like eviction, or error state collection are obvious example.
Signed-off-by: Ben Widawsky <[email protected]> --- drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/i915_gem.c | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ccdf80d..31bd475 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -403,6 +403,7 @@ typedef uint32_t gen6_gtt_pte_t; struct i915_address_space { struct drm_mm mm; struct drm_device *dev; + struct list_head global_link; unsigned long start; /* Start offset always 0 for dri2 */ size_t total; /* size addr space maps (ex. 2GB for ggtt) */ @@ -1045,6 +1046,7 @@ typedef struct drm_i915_private { enum modeset_restore modeset_restore; struct mutex modeset_restore_lock; + struct list_head vm_list; /* Global list of all address spaces */ struct i915_gtt gtt; /* VMA representing the global address space */ struct i915_gem_mm mm; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index eed2ef6..572b386 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4196,6 +4196,10 @@ i915_gem_load(struct drm_device *dev) SLAB_HWCACHE_ALIGN, NULL); + INIT_LIST_HEAD(&dev_priv->vm_list); + INIT_LIST_HEAD(&i915_gtt_vm->global_link); + list_add(&i915_gtt_vm->global_link, &dev_priv->vm_list); + INIT_LIST_HEAD(&i915_gtt_vm->active_list); INIT_LIST_HEAD(&i915_gtt_vm->inactive_list); INIT_LIST_HEAD(&dev_priv->mm.unbound_list); -- 1.8.2.3 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
