linux-kernel - [PATCH 2/6] drm/vram: use embedded gem object

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Date:   Thu, 20 Jun 2019 09:44:20 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Gerd Hoffmann <kraxel@...hat.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/6] drm/vram: use embedded gem object

Drop drm_gem_object from drm_gem_vram_object, use the
ttm_buffer_object.base instead.

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 include/drm/drm_gem_vram_helper.h     |  3 +--
 drivers/gpu/drm/drm_gem_vram_helper.c | 16 ++++++++--------
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 9581ea0a4f7e..7b9f50ba3fce 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -36,7 +36,6 @@ struct vm_area_struct;
  * video memory becomes scarce.
  */
 struct drm_gem_vram_object {
-	struct drm_gem_object gem;
 	struct ttm_buffer_object bo;
 	struct ttm_bo_kmap_obj kmap;
 
@@ -68,7 +67,7 @@ static inline struct drm_gem_vram_object *drm_gem_vram_of_bo(
 static inline struct drm_gem_vram_object *drm_gem_vram_of_gem(
 	struct drm_gem_object *gem)
 {
-	return container_of(gem, struct drm_gem_vram_object, gem);
+	return container_of(gem, struct drm_gem_vram_object, bo.base);
 }
 
 struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 4de782ca26b2..61d9520cc15f 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -24,7 +24,7 @@ static void drm_gem_vram_cleanup(struct drm_gem_vram_object *gbo)
 	 * TTM buffer object in 'bo' has already been cleaned
 	 * up; only release the GEM object.
 	 */
-	drm_gem_object_release(&gbo->gem);
+	drm_gem_object_release(&gbo->bo.base);
 }
 
 static void drm_gem_vram_destroy(struct drm_gem_vram_object *gbo)
@@ -80,7 +80,7 @@ static int drm_gem_vram_init(struct drm_device *dev,
 	int ret;
 	size_t acc_size;
 
-	ret = drm_gem_object_init(dev, &gbo->gem, size);
+	ret = drm_gem_object_init(dev, &gbo->bo.base, size);
 	if (ret)
 		return ret;
 
@@ -98,7 +98,7 @@ static int drm_gem_vram_init(struct drm_device *dev,
 	return 0;
 
 err_drm_gem_object_release:
-	drm_gem_object_release(&gbo->gem);
+	drm_gem_object_release(&gbo->bo.base);
 	return ret;
 }
 
@@ -378,11 +378,11 @@ int drm_gem_vram_fill_create_dumb(struct drm_file *file,
 	if (IS_ERR(gbo))
 		return PTR_ERR(gbo);
 
-	ret = drm_gem_handle_create(file, &gbo->gem, &handle);
+	ret = drm_gem_handle_create(file, &gbo->bo.base, &handle);
 	if (ret)
 		goto err_drm_gem_object_put_unlocked;
 
-	drm_gem_object_put_unlocked(&gbo->gem);
+	drm_gem_object_put_unlocked(&gbo->bo.base);
 
 	args->pitch = pitch;
 	args->size = size;
@@ -391,7 +391,7 @@ int drm_gem_vram_fill_create_dumb(struct drm_file *file,
 	return 0;
 
 err_drm_gem_object_put_unlocked:
-	drm_gem_object_put_unlocked(&gbo->gem);
+	drm_gem_object_put_unlocked(&gbo->bo.base);
 	return ret;
 }
 EXPORT_SYMBOL(drm_gem_vram_fill_create_dumb);
@@ -441,7 +441,7 @@ int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo,
 {
 	struct drm_gem_vram_object *gbo = drm_gem_vram_of_bo(bo);
 
-	return drm_vma_node_verify_access(&gbo->gem.vma_node,
+	return drm_vma_node_verify_access(&gbo->bo.base.vma_node,
 					  filp->private_data);
 }
 EXPORT_SYMBOL(drm_gem_vram_bo_driver_verify_access);
@@ -635,7 +635,7 @@ int drm_gem_vram_driver_gem_prime_mmap(struct drm_gem_object *gem,
 {
 	struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem);
 
-	gbo->gem.vma_node.vm_node.start = gbo->bo.vma_node.vm_node.start;
+	gbo->bo.base.vma_node.vm_node.start = gbo->bo.vma_node.vm_node.start;
 	return drm_gem_prime_mmap(gem, vma);
 }
 EXPORT_SYMBOL(drm_gem_vram_driver_gem_prime_mmap);
-- 
2.18.1