dma-buf: cleanup dma_buf_export() to make it easily extensible
At present, dma_buf_export() takes a series of parameters, which
makes it difficult to add any new parameters for exporters, if required.
Make it simpler by moving all these parameters into a struct, and pass
the struct * as parameter to dma_buf_export().
While at it, unite dma_buf_export_named() with dma_buf_export(), and
change all callers accordingly.
Reviewed-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Daniel Thompson <[email protected]>
Acked-by: Mauro Carvalho Chehab <[email protected]>
Acked-by: Dave Airlie <[email protected]>
Signed-off-by: Sumit Semwal <[email protected]>
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c
index ef5feee..580e10a 100644
--- a/drivers/gpu/drm/armada/armada_gem.c
+++ b/drivers/gpu/drm/armada/armada_gem.c
@@ -538,8 +538,14 @@
armada_gem_prime_export(struct drm_device *dev, struct drm_gem_object *obj,
int flags)
{
- return dma_buf_export(obj, &armada_gem_prime_dmabuf_ops, obj->size,
- O_RDWR, NULL);
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+
+ exp_info.ops = &armada_gem_prime_dmabuf_ops;
+ exp_info.size = obj->size;
+ exp_info.flags = O_RDWR;
+ exp_info.priv = obj;
+
+ return dma_buf_export(&exp_info);
}
struct drm_gem_object *
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 7482b06..7fec191 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -339,13 +339,17 @@
struct dma_buf *drm_gem_prime_export(struct drm_device *dev,
struct drm_gem_object *obj, int flags)
{
- struct reservation_object *robj = NULL;
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+
+ exp_info.ops = &drm_gem_prime_dmabuf_ops;
+ exp_info.size = obj->size;
+ exp_info.flags = flags;
+ exp_info.priv = obj;
if (dev->driver->gem_prime_res_obj)
- robj = dev->driver->gem_prime_res_obj(obj);
+ exp_info.resv = dev->driver->gem_prime_res_obj(obj);
- return dma_buf_export(obj, &drm_gem_prime_dmabuf_ops, obj->size,
- flags, robj);
+ return dma_buf_export(&exp_info);
}
EXPORT_SYMBOL(drm_gem_prime_export);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
index 3833bf8..cd485c0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -185,9 +185,14 @@
struct drm_gem_object *obj, int flags)
{
struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj);
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
- return dma_buf_export(obj, &exynos_dmabuf_ops,
- exynos_gem_obj->base.size, flags, NULL);
+ exp_info.ops = &exynos_dmabuf_ops;
+ exp_info.size = exynos_gem_obj->base.size;
+ exp_info.flags = flags;
+ exp_info.priv = obj;
+
+ return dma_buf_export(&exp_info);
}
struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev,
diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
index 82a1f4b..7998da2 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -230,6 +230,13 @@
struct drm_gem_object *gem_obj, int flags)
{
struct drm_i915_gem_object *obj = to_intel_bo(gem_obj);
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+
+ exp_info.ops = &i915_dmabuf_ops;
+ exp_info.size = gem_obj->size;
+ exp_info.flags = flags;
+ exp_info.priv = gem_obj;
+
if (obj->ops->dmabuf_export) {
int ret = obj->ops->dmabuf_export(obj);
@@ -237,8 +244,7 @@
return ERR_PTR(ret);
}
- return dma_buf_export(gem_obj, &i915_dmabuf_ops, gem_obj->size, flags,
- NULL);
+ return dma_buf_export(&exp_info);
}
static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj)
diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
index b46dabd..344fd78 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
@@ -171,7 +171,14 @@
struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
struct drm_gem_object *obj, int flags)
{
- return dma_buf_export(obj, &omap_dmabuf_ops, obj->size, flags, NULL);
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+
+ exp_info.ops = &omap_dmabuf_ops;
+ exp_info.size = obj->size;
+ exp_info.flags = flags;
+ exp_info.priv = obj;
+
+ return dma_buf_export(&exp_info);
}
struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index cfb4819..1217272 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -627,8 +627,14 @@
struct drm_gem_object *gem,
int flags)
{
- return dma_buf_export(gem, &tegra_gem_prime_dmabuf_ops, gem->size,
- flags, NULL);
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+
+ exp_info.ops = &tegra_gem_prime_dmabuf_ops;
+ exp_info.size = gem->size;
+ exp_info.flags = flags;
+ exp_info.priv = gem;
+
+ return dma_buf_export(&exp_info);
}
struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm,
diff --git a/drivers/gpu/drm/ttm/ttm_object.c b/drivers/gpu/drm/ttm/ttm_object.c
index 12c8711..4f5fa8d 100644
--- a/drivers/gpu/drm/ttm/ttm_object.c
+++ b/drivers/gpu/drm/ttm/ttm_object.c
@@ -683,6 +683,12 @@
dma_buf = prime->dma_buf;
if (!dma_buf || !get_dma_buf_unless_doomed(dma_buf)) {
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+
+ exp_info.ops = &tdev->ops;
+ exp_info.size = prime->size;
+ exp_info.flags = flags;
+ exp_info.priv = prime;
/*
* Need to create a new dma_buf, with memory accounting.
@@ -694,8 +700,7 @@
goto out_unref;
}
- dma_buf = dma_buf_export(prime, &tdev->ops,
- prime->size, flags, NULL);
+ dma_buf = dma_buf_export(&exp_info);
if (IS_ERR(dma_buf)) {
ret = PTR_ERR(dma_buf);
ttm_mem_global_free(tdev->mem_glob,
diff --git a/drivers/gpu/drm/udl/udl_dmabuf.c b/drivers/gpu/drm/udl/udl_dmabuf.c
index ac8a66b..e2243ed 100644
--- a/drivers/gpu/drm/udl/udl_dmabuf.c
+++ b/drivers/gpu/drm/udl/udl_dmabuf.c
@@ -202,7 +202,14 @@
struct dma_buf *udl_gem_prime_export(struct drm_device *dev,
struct drm_gem_object *obj, int flags)
{
- return dma_buf_export(obj, &udl_dmabuf_ops, obj->size, flags, NULL);
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+
+ exp_info.ops = &udl_dmabuf_ops;
+ exp_info.size = obj->size;
+ exp_info.flags = flags;
+ exp_info.priv = obj;
+
+ return dma_buf_export(&exp_info);
}
static int udl_prime_create(struct drm_device *dev,
