[PATCH 3/3] drm/vram-helper: Support struct drm_driver.gem_create_object

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Drivers that what to allocate VRAM GEM objects with additional fields
can now do this by implementing struct drm_driver.gem_create_object.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
 drivers/gpu/drm/drm_gem_vram_helper.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index b760fd27f3c0..d475d94e2e3e 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -2,6 +2,7 @@
 
 #include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
+#include <drm/drm_drv.h>
 #include <drm/drm_file.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_ttm_helper.h>
@@ -142,13 +143,19 @@ struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
 						size_t size,
 						unsigned long pg_align)
 {
+	struct drm_gem_object *gem;
 	struct drm_gem_vram_object *gbo;
 	int ret;
 
-	gbo = kzalloc(sizeof(*gbo), GFP_KERNEL);
-	if (!gbo)
+	if (dev->driver->gem_create_object)
+		gem = dev->driver->gem_create_object(dev, size);
+	else
+		gem = kzalloc(sizeof(*gbo), GFP_KERNEL);
+	if (!gem)
 		return ERR_PTR(-ENOMEM);
 
+	gbo = drm_gem_vram_of_gem(gem);
+
 	ret = drm_gem_vram_init(dev, gbo, size, pg_align);
 	if (ret < 0)
 		goto err_kfree;
-- 
2.24.0

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