Replace calls to exynos_drm_gem_get_{dma_addr,size}, by a simpler
function exynos_drm_gem_get(). This lets the caller to get access to
exynos_drm_gem object and extract any information about GEM object
without searching object tree for getting each parameter.
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_g2d.c | 48 +++++++++++++-----------------
drivers/gpu/drm/exynos/exynos_drm_gem.c | 52 +++++----------------------------
drivers/gpu/drm/exynos/exynos_drm_gem.h | 23 +++++----------
drivers/gpu/drm/exynos/exynos_drm_ipp.c | 41 ++++++++++----------------
drivers/gpu/drm/exynos/exynos_drm_ipp.h | 2 +-
5 files changed, 52 insertions(+), 114 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index c17efdb238a6..7c83e64f9f1c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -179,7 +179,7 @@ struct g2d_buf_desc {
struct g2d_buf_info {
unsigned int map_nr;
enum g2d_reg_type reg_types[MAX_REG_TYPE_NR];
- unsigned long handles[MAX_REG_TYPE_NR];
+ void *obj[MAX_REG_TYPE_NR];
unsigned int types[MAX_REG_TYPE_NR];
struct g2d_buf_desc descs[MAX_REG_TYPE_NR];
};
@@ -360,11 +360,10 @@ add_to_list:
}
static void g2d_userptr_put_dma_addr(struct drm_device *drm_dev,
- unsigned long obj,
+ void *obj,
bool force)
{
- struct g2d_cmdlist_userptr *g2d_userptr =
- (struct g2d_cmdlist_userptr *)obj;
+ struct g2d_cmdlist_userptr *g2d_userptr = obj;
struct page **pages;
if (!obj)
@@ -407,7 +406,7 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
unsigned long userptr,
unsigned long size,
struct drm_file *filp,
- unsigned long *obj)
+ void **obj)
{
struct drm_exynos_file_private *file_priv = filp->driver_priv;
struct exynos_drm_g2d_private *g2d_priv = file_priv->g2d_priv;
@@ -434,7 +433,7 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
*/
if (g2d_userptr->size == size) {
atomic_inc(&g2d_userptr->refcount);
- *obj = (unsigned long)g2d_userptr;
+ *obj = g2d_userptr;
return &g2d_userptr->dma_addr;
}
@@ -517,7 +516,7 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
g2d_userptr->in_pool = true;
}
- *obj = (unsigned long)g2d_userptr;
+ *obj = g2d_userptr;
return &g2d_userptr->dma_addr;
@@ -549,9 +548,7 @@ static void g2d_userptr_free_all(struct drm_device *drm_dev,
list_for_each_entry_safe(g2d_userptr, n, &g2d_priv->userptr_list, list)
if (g2d_userptr->in_pool)
- g2d_userptr_put_dma_addr(drm_dev,
- (unsigned long)g2d_userptr,
- true);
+ g2d_userptr_put_dma_addr(drm_dev, g2d_userptr, true);
g2d->current_pool = 0;
}
@@ -706,26 +703,23 @@ static int g2d_map_cmdlist_gem(struct g2d_data *g2d,
buf_desc = &buf_info->descs[reg_type];
if (buf_info->types[reg_type] == BUF_TYPE_GEM) {
- unsigned long size;
+ struct exynos_drm_gem *exynos_gem;
- size = exynos_drm_gem_get_size(drm_dev, handle, file);
- if (!size) {
+ exynos_gem = exynos_drm_gem_get(drm_dev, handle, file);
+ if (IS_ERR(exynos_gem)) {
ret = -EFAULT;
goto err;
}
if (!g2d_check_buf_desc_is_valid(buf_desc, reg_type,
- size)) {
+ exynos_gem->size)) {
+ exynos_drm_gem_put(drm_dev, exynos_gem);
ret = -EFAULT;
goto err;
}
- addr = exynos_drm_gem_get_dma_addr(drm_dev, handle,
- file);
- if (IS_ERR(addr)) {
- ret = -EFAULT;
- goto err;
- }
+ addr = &exynos_gem->dma_addr;
+ buf_info->obj[reg_type] = exynos_gem;
} else {
struct drm_exynos_g2d_userptr g2d_userptr;
@@ -745,7 +739,7 @@ static int g2d_map_cmdlist_gem(struct g2d_data *g2d,
g2d_userptr.userptr,
g2d_userptr.size,
file,
- &handle);
+ &buf_info->obj[reg_type]);
if (IS_ERR(addr)) {
ret = -EFAULT;
goto err;
@@ -754,7 +748,6 @@ static int g2d_map_cmdlist_gem(struct g2d_data *g2d,
cmdlist->data[reg_pos + 1] = *addr;
buf_info->reg_types[i] = reg_type;
- buf_info->handles[reg_type] = handle;
}
return 0;
@@ -775,22 +768,21 @@ static void g2d_unmap_cmdlist_gem(struct g2d_data *g2d,
for (i = 0; i < buf_info->map_nr; i++) {
struct g2d_buf_desc *buf_desc;
enum g2d_reg_type reg_type;
- unsigned long handle;
+ void *obj;
reg_type = buf_info->reg_types[i];
buf_desc = &buf_info->descs[reg_type];
- handle = buf_info->handles[reg_type];
+ obj = buf_info->obj[reg_type];
if (buf_info->types[reg_type] == BUF_TYPE_GEM)
- exynos_drm_gem_put_dma_addr(subdrv->drm_dev, handle,
- filp);
+ exynos_drm_gem_put(subdrv->drm_dev, obj);
else
- g2d_userptr_put_dma_addr(subdrv->drm_dev, handle,
+ g2d_userptr_put_dma_addr(subdrv->drm_dev, obj,
false);
buf_info->reg_types[i] = REG_TYPE_NONE;
- buf_info->handles[reg_type] = 0;
+ buf_info->obj[reg_type] = NULL;
buf_info->types[reg_type] = 0;
memset(buf_desc, 0x00, sizeof(*buf_desc));
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index b5db6e6cc043..382e65df5c03 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -169,26 +169,6 @@ void exynos_drm_gem_destroy(struct exynos_drm_gem *exynos_gem)
kfree(exynos_gem);
}
-unsigned long exynos_drm_gem_get_size(struct drm_device *dev,
- unsigned int gem_handle,
- struct drm_file *file_priv)
-{
- struct exynos_drm_gem *exynos_gem;
- struct drm_gem_object *obj;
-
- obj = drm_gem_object_lookup(dev, file_priv, gem_handle);
- if (!obj) {
- DRM_ERROR("failed to lookup gem object.\n");
- return 0;
- }
-
- exynos_gem = to_exynos_gem(obj);
-
- drm_gem_object_unreference_unlocked(obj);
-
- return exynos_gem->size;
-}
-
static struct exynos_drm_gem *exynos_drm_gem_init(struct drm_device *dev,
unsigned long size)
{
@@ -279,11 +259,10 @@ int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data,
return 0;
}
-dma_addr_t *exynos_drm_gem_get_dma_addr(struct drm_device *dev,
- unsigned int gem_handle,
- struct drm_file *filp)
+struct exynos_drm_gem *exynos_drm_gem_get(struct drm_device *dev,
+ unsigned int gem_handle,
+ struct drm_file *filp)
{
- struct exynos_drm_gem *exynos_gem;
struct drm_gem_object *obj;
obj = drm_gem_object_lookup(dev, filp, gem_handle);
@@ -292,30 +271,13 @@ dma_addr_t *exynos_drm_gem_get_dma_addr(struct drm_device *dev,
return ERR_PTR(-EINVAL);
}
- exynos_gem = to_exynos_gem(obj);
-
- return &exynos_gem->dma_addr;
+ return to_exynos_gem(obj);
}
-void exynos_drm_gem_put_dma_addr(struct drm_device *dev,
- unsigned int gem_handle,
- struct drm_file *filp)
+void exynos_drm_gem_put(struct drm_device *dev,
+ struct exynos_drm_gem *exynos_gem)
{
- struct drm_gem_object *obj;
-
- obj = drm_gem_object_lookup(dev, filp, gem_handle);
- if (!obj) {
- DRM_ERROR("failed to lookup gem object.\n");
- return;
- }
-
- drm_gem_object_unreference_unlocked(obj);
-
- /*
- * decrease obj->refcount one more time because we has already
- * increased it at exynos_drm_gem_get_dma_addr().
- */
- drm_gem_object_unreference_unlocked(obj);
+ drm_gem_object_unreference_unlocked(&exynos_gem->base);
}
static int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem *exynos_gem,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index 9ca5047959ec..d4a49985c8ab 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -72,32 +72,25 @@ int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/*
- * get dma address from gem handle and this function could be used for
+ * get exynos drm object from gem handle, this function could be used for
* other drivers such as 2d/3d acceleration drivers.
* with this function call, gem object reference count would be increased.
*/
-dma_addr_t *exynos_drm_gem_get_dma_addr(struct drm_device *dev,
- unsigned int gem_handle,
- struct drm_file *filp);
+struct exynos_drm_gem *exynos_drm_gem_get(struct drm_device *dev,
+ unsigned int gem_handle,
+ struct drm_file *filp);
/*
- * put dma address from gem handle and this function could be used for
- * other drivers such as 2d/3d acceleration drivers.
- * with this function call, gem object reference count would be decreased.
+ * put exynos drm object acquired from exynos_drm_gem_get(),
+ * gem object reference count would be decreased.
*/
-void exynos_drm_gem_put_dma_addr(struct drm_device *dev,
- unsigned int gem_handle,
- struct drm_file *filp);
+void exynos_drm_gem_put(struct drm_device *dev,
+ struct exynos_drm_gem *exynos_gem);
/* get buffer information to memory region allocated by gem. */
int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-/* get buffer size to gem handle. */
-unsigned long exynos_drm_gem_get_size(struct drm_device *dev,
- unsigned int gem_handle,
- struct drm_file *file_priv);
-
/* free gem object. */
void exynos_drm_gem_free_object(struct drm_gem_object *obj);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 408a14a9a180..0404e18d84cc 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -488,10 +488,9 @@ static int ipp_validate_mem_node(struct drm_device *drm_dev,
plane_size = width * height * bpp;
img_size += plane_size;
- if (m_node->buf_info.handles[i]) {
- size = exynos_drm_gem_get_size(drm_dev,
- m_node->buf_info.handles[i],
- c_node->filp);
+ if (m_node->buf_info.obj[i]) {
+ size = m_node->buf_info.obj[i]->size;
+
if (plane_size > size) {
DRM_ERROR(
"buffer %d is smaller than required\n",
@@ -529,10 +528,9 @@ static int ipp_put_mem_node(struct drm_device *drm_dev,
/* put gem buffer */
for_each_ipp_planar(i) {
- unsigned long handle = m_node->buf_info.handles[i];
- if (handle)
- exynos_drm_gem_put_dma_addr(drm_dev, handle,
- c_node->filp);
+ struct exynos_drm_gem *obj = m_node->buf_info.obj[i];
+ if (obj)
+ exynos_drm_gem_put(drm_dev, obj);
}
list_del(&m_node->list);
@@ -570,30 +568,23 @@ static struct drm_exynos_ipp_mem_node
/* get dma address by handle */
if (qbuf->handle[i]) {
- dma_addr_t *addr;
- unsigned long size;
+ struct exynos_drm_gem *exynos_gem;
- addr = exynos_drm_gem_get_dma_addr(drm_dev,
- qbuf->handle[i], c_node->filp);
- if (IS_ERR(addr)) {
- DRM_ERROR("failed to get addr.\n");
- ipp_put_mem_node(drm_dev, c_node, m_node);
- return ERR_PTR(-EFAULT);
- }
+ exynos_gem = exynos_drm_gem_get(drm_dev,
+ qbuf->handle[i], c_node->filp);
- size = exynos_drm_gem_get_size(drm_dev,
- qbuf->handle[i], c_node->filp);
- if (!size) {
- DRM_ERROR("failed to get size.\n");
+ if (IS_ERR(exynos_gem)) {
+ DRM_ERROR("failed to get gem.\n");
ipp_put_mem_node(drm_dev, c_node, m_node);
return ERR_PTR(-EFAULT);
}
- buf_info->handles[i] = qbuf->handle[i];
- buf_info->base[i] = *addr;
- buf_info->size[i] = (uint64_t)size;
+ buf_info->obj[i] = exynos_gem;
+ buf_info->base[i] = exynos_gem->dma_addr;
+ buf_info->size[i] = exynos_gem->size;
DRM_DEBUG_KMS("i[%d]base[%pad]hd[0x%lx]sz[%llx]\n", i,
- &buf_info->base[i], buf_info->handles[i],
+ &buf_info->base[i],
+ (long unsigned)qbuf->handle[i],
buf_info->size[i]);
}
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.h b/drivers/gpu/drm/exynos/exynos_drm_ipp.h
index d4f0b588220b..1dc13bf57b16 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.h
@@ -88,7 +88,7 @@ struct drm_exynos_ipp_cmd_node {
* @size: Y, Cb, Cr each planar size.
*/
struct drm_exynos_ipp_buf_info {
- unsigned long handles[EXYNOS_DRM_PLANAR_MAX];
+ struct exynos_drm_gem *obj[EXYNOS_DRM_PLANAR_MAX];
dma_addr_t base[EXYNOS_DRM_PLANAR_MAX];
uint64_t size[EXYNOS_DRM_PLANAR_MAX];
};
--
1.9.2
--
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