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authorSumit Semwal <sumit.semwal@linaro.org>2015-01-23 12:53:43 +0530
committerSumit Semwal <sumit.semwal@linaro.org>2015-04-21 14:47:16 +0530
commitd8fbe341beb617ebb22b98fb893e4aa32ae2d864 (patch)
tree2e19c951d2b6ffef2319d87ec8a6c39e4e1ab8ee /drivers/gpu
parent646da63172f660ba84f195c1165360a9b73583ee (diff)
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 <maarten.lankhorst@canonical.com> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/armada/armada_gem.c10
-rw-r--r--drivers/gpu/drm/drm_prime.c12
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dmabuf.c9
-rw-r--r--drivers/gpu/drm/i915/i915_gem_dmabuf.c10
-rw-r--r--drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c9
-rw-r--r--drivers/gpu/drm/tegra/gem.c10
-rw-r--r--drivers/gpu/drm/ttm/ttm_object.c9
-rw-r--r--drivers/gpu/drm/udl/udl_dmabuf.c9
8 files changed, 62 insertions, 16 deletions
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c
index ef5feeecec84..580e10acaa3a 100644
--- a/drivers/gpu/drm/armada/armada_gem.c
+++ b/drivers/gpu/drm/armada/armada_gem.c
@@ -538,8 +538,14 @@ struct dma_buf *
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 7482b06cd08f..7fec191b45f7 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -339,13 +339,17 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
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 3833bf8ca025..cd485c091b30 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -185,9 +185,14 @@ struct dma_buf *exynos_dmabuf_prime_export(struct drm_device *drm_dev,
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 82a1f4b57778..7998da27c500 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -230,6 +230,13 @@ struct dma_buf *i915_gem_prime_export(struct drm_device *dev,
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 @@ struct dma_buf *i915_gem_prime_export(struct drm_device *dev,
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 b46dabd9faf7..344fd789170d 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
@@ -171,7 +171,14 @@ static struct dma_buf_ops omap_dmabuf_ops = {
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 cfb481943b6b..1217272a51f2 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -627,8 +627,14 @@ struct dma_buf *tegra_gem_prime_export(struct drm_device *drm,
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 12c87110db3a..4f5fa8d65fe9 100644
--- a/drivers/gpu/drm/ttm/ttm_object.c
+++ b/drivers/gpu/drm/ttm/ttm_object.c
@@ -683,6 +683,12 @@ int ttm_prime_handle_to_fd(struct ttm_object_file *tfile,
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 @@ int ttm_prime_handle_to_fd(struct ttm_object_file *tfile,
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 ac8a66b4dfc2..e2243edd1ce3 100644
--- a/drivers/gpu/drm/udl/udl_dmabuf.c
+++ b/drivers/gpu/drm/udl/udl_dmabuf.c
@@ -202,7 +202,14 @@ static struct dma_buf_ops udl_dmabuf_ops = {
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,