[PATCH 08/11] drm/ingenic: Support custom GEM object

[Paul Cercueil]

Add boilerplate code to support a custom "ingenic_gem_object". Empty for
now, but it will be useful later when subsequent patches will introduce
object-specific driver data.

Signed-off-by: Paul Cercueil <p...@crapouillou.net>
---
 drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c 
b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index ced2109e8f35..1cac369f6293 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -64,6 +64,10 @@ struct jz_soc_info {
        unsigned int num_formats_f0, num_formats_f1;
 };
 
+struct ingenic_gem_object {
+       struct drm_gem_cma_object base;
+};
+
 struct ingenic_drm_private_state {
        struct drm_private_state base;
 
@@ -179,6 +183,11 @@ static inline struct ingenic_drm *drm_nb_get_priv(struct 
notifier_block *nb)
        return container_of(nb, struct ingenic_drm, clock_nb);
 }
 
+static inline struct ingenic_gem_object *to_ingenic_gem_obj(struct 
drm_gem_object *gem_obj)
+{
+       return container_of(gem_obj, struct ingenic_gem_object, base.base);
+}
+
 static inline dma_addr_t dma_hwdesc_addr(const struct ingenic_drm *priv, bool 
use_f1)
 {
        u32 offset = offsetof(struct ingenic_dma_hwdescs, hwdesc[use_f1]);
@@ -853,15 +862,15 @@ static struct drm_gem_object *
 ingenic_drm_gem_create_object(struct drm_device *drm, size_t size)
 {
        struct ingenic_drm *priv = drm_device_get_priv(drm);
-       struct drm_gem_cma_object *obj;
+       struct ingenic_gem_object *obj;
 
        obj = kzalloc(sizeof(*obj), GFP_KERNEL);
        if (!obj)
                return ERR_PTR(-ENOMEM);
 
-       obj->map_noncoherent = priv->soc_info->map_noncoherent;
+       obj->base.map_noncoherent = priv->soc_info->map_noncoherent;
 
-       return &obj->base;
+       return &obj->base.base;
 }
 
 static struct drm_private_state *
-- 
2.30.2