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-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c2
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gem.c9
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gem.h4
3 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 0dcfa04830ea..5344940c8a07 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -370,6 +370,8 @@ static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
static const struct drm_ioctl_desc exynos_ioctls[] = {
DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl,
DRM_AUTH | DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP, exynos_drm_gem_map_ioctl,
+ DRM_AUTH | DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET, exynos_drm_gem_get_ioctl,
DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION, vidi_connection_ioctl,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 54b639497d23..2914d62d0d80 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -280,6 +280,15 @@ int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data,
return 0;
}
+int exynos_drm_gem_map_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_exynos_gem_map *args = data;
+
+ return exynos_drm_gem_dumb_map_offset(file_priv, dev, args->handle,
+ &args->offset);
+}
+
dma_addr_t *exynos_drm_gem_get_dma_addr(struct drm_device *dev,
unsigned int gem_handle,
struct drm_file *filp)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index 9ca5047959ec..00223052b87b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -71,6 +71,10 @@ struct exynos_drm_gem *exynos_drm_gem_create(struct drm_device *dev,
int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+/* get fake-offset of gem object that can be used with mmap. */
+int exynos_drm_gem_map_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
* other drivers such as 2d/3d acceleration drivers.
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