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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>
This commit is contained in:
Thomas Hellstrom 2013-11-08 02:30:50 -08:00
parent 79e5f81003
commit c486d4f894
1 changed files with 25 additions and 20 deletions
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33
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
View File

@ -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);
}
@ -442,8 +443,9 @@ 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,
ret = ttm_prime_object_init(tfile,
size,
&user_bo->prime,
shareable,
ttm_buffer_type,
&vmw_user_dmabuf_release, NULL);
@ -453,7 +455,7 @@ int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
}
*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,
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);