On Mon, Aug 30, 2021 at 02:10:04PM +0200, Maarten Lankhorst wrote:
We want to get rid of i915_vma tracking to simplify the code and
lifetimes. Add a way to set/put the moving fence, in preparation for
removing the tracking.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gem/i915_gem_object.c | 15 +++++++++++++++
drivers/gpu/drm/i915/gem/i915_gem_object.h | 6 ++++++
2 files changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 6fb9afb65034..dc0d2da297a0 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -32,6 +32,7 @@
#include "i915_gem_object.h"
#include "i915_memcpy.h"
#include "i915_trace.h"
+#include "i915_gem_ttm.h"
static struct kmem_cache *slab_objects;
@@ -674,6 +675,20 @@ static const struct drm_gem_object_funcs i915_gem_object_funcs = {
.export = i915_gem_prime_export,
};
+struct dma_fence *
+i915_gem_object_get_moving_fence(struct drm_i915_gem_object *obj)
+{
+ return dma_fence_get(i915_gem_to_ttm(obj)->moving);
+}
+
+void i915_gem_object_set_moving_fence(struct drm_i915_gem_object *obj,
+ struct dma_fence *fence)
+{
+ dma_fence_put(i915_gem_to_ttm(obj)->moving);
+
+ i915_gem_to_ttm(obj)->moving = dma_fence_get(fence);
+}
When is i915_gem_object_set_moving_fence() called?
I am not seeing it being called in this patch series.
Niranjana
+
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftests/huge_gem_object.c"
#include "selftests/huge_pages.c"
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index 48112b9d76df..a23acfa98e21 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -520,6 +520,12 @@ i915_gem_object_last_write_engine(struct drm_i915_gem_object *obj)
return engine;
}
+struct dma_fence *
+i915_gem_object_get_moving_fence(struct drm_i915_gem_object *obj);
+
+void i915_gem_object_set_moving_fence(struct drm_i915_gem_object *obj,
+ struct dma_fence *fence);
+
void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj,
unsigned int cache_level);
void i915_gem_object_flush_if_display(struct drm_i915_gem_object *obj);
--
2.32.0
