From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
Date: Mon, 18 Jun 2018 16:17:30 +0200
Subject: drm: Make ioctls available for in-kernel clients
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Git-commit: d30827ce0df4410648c3fbba48681d7aafb19f36
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Make ioctl wrappers for functions that will be used by the in-kernel API.
The following functions are touched:
- drm_mode_create_dumb_ioctl()
- drm_mode_destroy_dumb_ioctl()
- drm_mode_addfb()
- drm_mode_rmfb()
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180618141739.48151-4-noralf@tronnes.org
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/drm_crtc_internal.h | 19 ++++++++++++----
drivers/gpu/drm/drm_dumb_buffers.c | 29 +++++++++++++++++-------
drivers/gpu/drm/drm_framebuffer.c | 42 +++++++++++++++++++++++-------------
drivers/gpu/drm/drm_ioctl.c | 4 +--
4 files changed, 64 insertions(+), 30 deletions(-)
--- a/drivers/gpu/drm/drm_crtc_internal.h
+++ b/drivers/gpu/drm/drm_crtc_internal.h
@@ -65,6 +65,12 @@ int drm_mode_getresources(struct drm_dev
/* drm_dumb_buffers.c */
+int drm_mode_create_dumb(struct drm_device *dev,
+ struct drm_mode_create_dumb *args,
+ struct drm_file *file_priv);
+int drm_mode_destroy_dumb(struct drm_device *dev, u32 handle,
+ struct drm_file *file_priv);
+
/* IOCTLs */
int drm_mode_create_dumb_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv);
@@ -166,14 +172,19 @@ int drm_framebuffer_check_src_coords(uin
const struct drm_framebuffer *fb);
void drm_fb_release(struct drm_file *file_priv);
+int drm_mode_addfb(struct drm_device *dev, struct drm_mode_fb_cmd *or,
+ struct drm_file *file_priv);
+int drm_mode_rmfb(struct drm_device *dev, u32 fb_id,
+ struct drm_file *file_priv);
+
/* IOCTL */
-int drm_mode_addfb(struct drm_device *dev,
- void *data, struct drm_file *file_priv);
+int drm_mode_addfb_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
int drm_mode_addfb2(struct drm_device *dev,
void *data, struct drm_file *file_priv);
-int drm_mode_rmfb(struct drm_device *dev,
- void *data, struct drm_file *file_priv);
+int drm_mode_rmfb_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
int drm_mode_getfb(struct drm_device *dev,
void *data, struct drm_file *file_priv);
int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
--- a/drivers/gpu/drm/drm_dumb_buffers.c
+++ b/drivers/gpu/drm/drm_dumb_buffers.c
@@ -53,10 +53,10 @@
* a hardware-specific ioctl to allocate suitable buffer objects.
*/
-int drm_mode_create_dumb_ioctl(struct drm_device *dev,
- void *data, struct drm_file *file_priv)
+int drm_mode_create_dumb(struct drm_device *dev,
+ struct drm_mode_create_dumb *args,
+ struct drm_file *file_priv)
{
- struct drm_mode_create_dumb *args = data;
u32 cpp, stride, size;
if (!dev->driver->dumb_create)
@@ -92,6 +92,12 @@ int drm_mode_create_dumb_ioctl(struct dr
return dev->driver->dumb_create(file_priv, dev, args);
}
+int drm_mode_create_dumb_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv)
+{
+ return drm_mode_create_dumb(dev, data, file_priv);
+}
+
/**
* drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer
* @dev: DRM device
@@ -123,17 +129,22 @@ int drm_mode_mmap_dumb_ioctl(struct drm_
&args->offset);
}
-int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
- void *data, struct drm_file *file_priv)
+int drm_mode_destroy_dumb(struct drm_device *dev, u32 handle,
+ struct drm_file *file_priv)
{
- struct drm_mode_destroy_dumb *args = data;
-
if (!dev->driver->dumb_create)
return -ENOSYS;
if (dev->driver->dumb_destroy)
- return dev->driver->dumb_destroy(file_priv, dev, args->handle);
+ return dev->driver->dumb_destroy(file_priv, dev, handle);
else
- return drm_gem_dumb_destroy(file_priv, dev, args->handle);
+ return drm_gem_dumb_destroy(file_priv, dev, handle);
}
+int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv)
+{
+ struct drm_mode_destroy_dumb *args = data;
+
+ return drm_mode_destroy_dumb(dev, args->handle, file_priv);
+}
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -95,21 +95,20 @@ int drm_framebuffer_check_src_coords(uin
/**
* drm_mode_addfb - add an FB to the graphics configuration
* @dev: drm device for the ioctl
- * @data: data pointer for the ioctl
- * @file_priv: drm file for the ioctl call
+ * @or: pointer to request structure
+ * @file_priv: drm file
*
* Add a new FB to the specified CRTC, given a user request. This is the
* original addfb ioctl which only supported RGB formats.
*
- * Called by the user via ioctl.
+ * Called by the user via ioctl, or by an in-kernel client.
*
* Returns:
* Zero on success, negative errno on failure.
*/
-int drm_mode_addfb(struct drm_device *dev,
- void *data, struct drm_file *file_priv)
+int drm_mode_addfb(struct drm_device *dev, struct drm_mode_fb_cmd *or,
+ struct drm_file *file_priv)
{
- struct drm_mode_fb_cmd *or = data;
struct drm_mode_fb_cmd2 r = {};
int ret;
@@ -134,6 +133,12 @@ int drm_mode_addfb(struct drm_device *de
return 0;
}
+int drm_mode_addfb_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv)
+{
+ return drm_mode_addfb(dev, data, file_priv);
+}
+
static int fb_plane_width(int width,
const struct drm_format_info *format, int plane)
{
@@ -366,29 +371,28 @@ static void drm_mode_rmfb_work_fn(struct
/**
* drm_mode_rmfb - remove an FB from the configuration
- * @dev: drm device for the ioctl
- * @data: data pointer for the ioctl
- * @file_priv: drm file for the ioctl call
+ * @dev: drm device
+ * @fb_id: id of framebuffer to remove
+ * @file_priv: drm file
*
- * Remove the FB specified by the user.
+ * Remove the specified FB.
*
- * Called by the user via ioctl.
+ * Called by the user via ioctl, or by an in-kernel client.
*
* Returns:
* Zero on success, negative errno on failure.
*/
-int drm_mode_rmfb(struct drm_device *dev,
- void *data, struct drm_file *file_priv)
+int drm_mode_rmfb(struct drm_device *dev, u32 fb_id,
+ struct drm_file *file_priv)
{
struct drm_framebuffer *fb = NULL;
struct drm_framebuffer *fbl = NULL;
- uint32_t *id = data;
int found = 0;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
- fb = drm_framebuffer_lookup(dev, file_priv, *id);
+ fb = drm_framebuffer_lookup(dev, file_priv, fb_id);
if (!fb)
return -ENOENT;
@@ -434,6 +438,14 @@ fail_unref:
return -ENOENT;
}
+int drm_mode_rmfb_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv)
+{
+ uint32_t *fb_id = data;
+
+ return drm_mode_rmfb(dev, *fb_id, file_priv);
+}
+
/**
* drm_mode_getfb - get FB info
* @dev: drm device for the ioctl
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -644,9 +644,9 @@ static const struct drm_ioctl_desc drm_i
DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_UNLOCKED),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb_ioctl, DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB2, drm_mode_addfb2, DRM_UNLOCKED),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb_ioctl, DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_UNLOCKED),