[PATCH 06/20] drm/i915: Introduce GEM object functions

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GEM object functions deprecate several similar callback interfaces in
struct drm_driver. This patch replaces the per-driver callbacks with
per-instance callbacks in i915.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
 drivers/gpu/drm/i915/gem/i915_gem_object.c       |  9 ++++++++-
 drivers/gpu/drm/i915/i915_drv.c                  | 10 ++++++----
 drivers/gpu/drm/i915/i915_drv.h                  |  1 +
 drivers/gpu/drm/i915/selftests/mock_gem_device.c |  3 ---
 4 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index c8421fd9d2dc..bc15ee4f2bd5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -41,7 +41,14 @@ static struct i915_global_object {
 
 struct drm_i915_gem_object *i915_gem_object_alloc(void)
 {
-	return kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
+	struct drm_i915_gem_object *obj;
+
+	obj = kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
+	if (!obj)
+		return NULL;
+	obj->base.funcs = &i915_gem_object_funcs;
+
+	return obj;
 }
 
 void i915_gem_object_free(struct drm_i915_gem_object *obj)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 068447f565a9..b09eee11c540 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1840,6 +1840,12 @@ static const struct drm_ioctl_desc i915_ioctls[] = {
 	DRM_IOCTL_DEF_DRV(I915_GEM_VM_DESTROY, i915_gem_vm_destroy_ioctl, DRM_RENDER_ALLOW),
 };
 
+const struct drm_gem_object_funcs i915_gem_object_funcs = {
+	.free = i915_gem_free_object,
+	.close = i915_gem_close_object,
+	.export = i915_gem_prime_export,
+};
+
 static struct drm_driver driver = {
 	/* Don't use MTRRs here; the Xserver or userspace app should
 	 * deal with them for Intel hardware.
@@ -1853,12 +1859,8 @@ static struct drm_driver driver = {
 	.lastclose = i915_driver_lastclose,
 	.postclose = i915_driver_postclose,
 
-	.gem_close_object = i915_gem_close_object,
-	.gem_free_object_unlocked = i915_gem_free_object,
-
 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
-	.gem_prime_export = i915_gem_prime_export,
 	.gem_prime_import = i915_gem_prime_import,
 
 	.dumb_create = i915_gem_dumb_create,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index bacb4c762f5b..666db65fe69e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1736,6 +1736,7 @@ intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv)
 
 /* i915_drv.c */
 extern const struct dev_pm_ops i915_pm_ops;
+extern const struct drm_gem_object_funcs i915_gem_object_funcs;
 
 int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
 void i915_driver_remove(struct drm_i915_private *i915);
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index ce4d4303229c..4725dad63e0a 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -86,9 +86,6 @@ static struct drm_driver mock_driver = {
 	.name = "mock",
 	.driver_features = DRIVER_GEM,
 	.release = mock_device_release,
-
-	.gem_close_object = i915_gem_close_object,
-	.gem_free_object_unlocked = i915_gem_free_object,
 };
 
 static void release_dev(struct device *dev)
-- 
2.28.0




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