drm/vmwgfx: Make vmwgfx dma buffers prime aware

Should we need to share dma buffers using prime, let's make them prime
aware.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>

1 files changed, 25 insertions, 20 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 83be7093c715..efe2b74c5eb1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -35,7 +35,7 @@
 #define VMW_RES_EVICT_ERR_COUNT 10
 
 struct vmw_user_dma_buffer {
-        struct ttm_base_object base;
+        struct ttm_prime_object prime;
         struct vmw_dma_buffer dma;
 };
 
@@ -387,7 +387,7 @@ static void vmw_user_dmabuf_destroy(struct ttm_buffer_object *bo)
 {
         struct vmw_user_dma_buffer *vmw_user_bo = vmw_user_dma_buffer(bo);
 
-        ttm_base_object_kfree(vmw_user_bo, base);
+        ttm_prime_object_kfree(vmw_user_bo, prime);
 }
 
 static void vmw_user_dmabuf_release(struct ttm_base_object **p_base)
@@ -401,7 +401,8 @@ static void vmw_user_dmabuf_release(struct ttm_base_object **p_base)
         if (unlikely(base == NULL))
                 return;
 
-        vmw_user_bo = container_of(base, struct vmw_user_dma_buffer, base);
+        vmw_user_bo = container_of(base, struct vmw_user_dma_buffer,
+                                   prime.base);
         bo = &vmw_user_bo->dma.base;
         ttm_bo_unref(&bo);
 }
@@ -442,18 +443,19 @@ int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
                 return ret;
 
         tmp = ttm_bo_reference(&user_bo->dma.base);
-        ret = ttm_base_object_init(tfile,
-                                   &user_bo->base,
-                                   shareable,
-                                   ttm_buffer_type,
-                                   &vmw_user_dmabuf_release, NULL);
+        ret = ttm_prime_object_init(tfile,
+                                    size,
+                                    &user_bo->prime,
+                                    shareable,
+                                    ttm_buffer_type,
+                                    &vmw_user_dmabuf_release, NULL);
         if (unlikely(ret != 0)) {
                 ttm_bo_unref(&tmp);
                 goto out_no_base_object;
         }
 
         *p_dma_buf = &user_bo->dma;
-        *handle = user_bo->base.hash.key;
+        *handle = user_bo->prime.base.hash.key;
 
 out_no_base_object:
         return ret;
@@ -475,8 +477,8 @@ int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
                 return -EPERM;
 
         vmw_user_bo = vmw_user_dma_buffer(bo);
-        return (vmw_user_bo->base.tfile == tfile ||
-        vmw_user_bo->base.shareable) ? 0 : -EPERM;
+        return (vmw_user_bo->prime.base.tfile == tfile ||
+                vmw_user_bo->prime.base.shareable) ? 0 : -EPERM;
 }
 
 int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
@@ -538,14 +540,15 @@ int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
                 return -ESRCH;
         }
 
-        if (unlikely(base->object_type != ttm_buffer_type)) {
+        if (unlikely(ttm_base_object_type(base) != ttm_buffer_type)) {
                 ttm_base_object_unref(&base);
                 printk(KERN_ERR "Invalid buffer object handle 0x%08lx.\n",
                        (unsigned long)handle);
                 return -EINVAL;
         }
 
-        vmw_user_bo = container_of(base, struct vmw_user_dma_buffer, base);
+        vmw_user_bo = container_of(base, struct vmw_user_dma_buffer,
+                                   prime.base);
         (void)ttm_bo_reference(&vmw_user_bo->dma.base);
         ttm_base_object_unref(&base);
         *out = &vmw_user_bo->dma;
@@ -562,7 +565,8 @@ int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
                 return -EINVAL;
 
         user_bo = container_of(dma_buf, struct vmw_user_dma_buffer, dma);
-        return ttm_ref_object_add(tfile, &user_bo->base, TTM_REF_USAGE, NULL);
+        return ttm_ref_object_add(tfile, &user_bo->prime.base,
+                                  TTM_REF_USAGE, NULL);
 }
 
 /*
@@ -807,15 +811,16 @@ int vmw_dumb_create(struct drm_file *file_priv,
                 goto out_no_dmabuf;
 
         tmp = ttm_bo_reference(&vmw_user_bo->dma.base);
-        ret = ttm_base_object_init(vmw_fpriv(file_priv)->tfile,
-                                   &vmw_user_bo->base,
-                                   false,
-                                   ttm_buffer_type,
-                                   &vmw_user_dmabuf_release, NULL);
+        ret = ttm_prime_object_init(vmw_fpriv(file_priv)->tfile,
+                                    args->size,
+                                    &vmw_user_bo->prime,
+                                    false,
+                                    ttm_buffer_type,
+                                    &vmw_user_dmabuf_release, NULL);
         if (unlikely(ret != 0))
                 goto out_no_base_object;
 
-        args->handle = vmw_user_bo->base.hash.key;
+        args->handle = vmw_user_bo->prime.base.hash.key;
 
 out_no_base_object:
         ttm_bo_unref(&tmp);