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drm/exynos: add DRM_EXYNOS_GEM_MAP ioctl

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The commit d931589c01 ("drm/exynos: remove DRM_EXYNOS_GEM_MAP_OFFSET
ioctl") removed it same with the ioctl that this patch adds. The reason
that removed DRM_EXYNOS_GEM_MAP_OFFSET was we could use
DRM_IOCTL_MODE_MAP_DUMB. Both did exactly same thing.

Now we again will revive it as DRM_EXYNOS_GEM_MAP because of render
node. DRM_IOCTL_MODE_MAP_DUMB isn't permitted in render node.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Joonyoung Shim
2016-03-08 14:12:59 +09:00
committed by Inki Dae
parent 550e3b23a5
commit 6564c65f3a
4 changed files with 31 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/exynos/exynos_drm_drv.c
View File

@@ -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,

9
drivers/gpu/drm/exynos/exynos_drm_gem.c
View File

@@ -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)

4
drivers/gpu/drm/exynos/exynos_drm_gem.h
View File

@@ -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.