Quoting Matthew Auld (2019-08-09 23:26:40)
We are going want to able to move objects between different regions like system memory and local memory. In the future everything should be just another region.
Signed-off-by: Matthew Auld matthew.auld@intel.com Signed-off-by: Abdiel Janulgue abdiel.janulgue@linux.intel.com Signed-off-by: CQ Tang cq.tang@intel.com Cc: Joonas Lahtinen joonas.lahtinen@linux.intel.com Cc: Abdiel Janulgue abdiel.janulgue@linux.intel.com
drivers/gpu/drm/i915/gem/i915_gem_object.c | 140 ++++++++++++++++++ drivers/gpu/drm/i915/gem/i915_gem_object.h | 8 + drivers/gpu/drm/i915/gem/i915_gem_pages.c | 2 +- .../drm/i915/selftests/intel_memory_region.c | 129 ++++++++++++++++ 4 files changed, 278 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 24f737b00e84..5982aeaaa2e3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -28,6 +28,8 @@ #include "i915_gem_clflush.h" #include "i915_gem_context.h" #include "i915_gem_object.h" +#include "i915_gem_object_blt.h" +#include "i915_gem_region.h" #include "i915_globals.h" #include "i915_trace.h"
@@ -170,6 +172,144 @@ static void __i915_gem_free_object_rcu(struct rcu_head *head) atomic_dec(&i915->mm.free_count); }
+int i915_gem_object_prepare_move(struct drm_i915_gem_object *obj) +{
int err;lockdep_assert_held(&obj->base.dev->struct_mutex);
No, straight up no. -Chris