1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// SPDX-License-Identifier: MIT
#include <drm/drm_client_setup.h>
#include <drm/drm_device.h>
#include <drm/drm_fbdev_client.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_print.h>
/**
* drm_client_setup() - Setup in-kernel DRM clients
* @dev: DRM device
* @format: Preferred pixel format for the device. Use NULL, unless
* there is clearly a driver-preferred format.
*
* This function sets up the in-kernel DRM clients. Restore, hotplug
* events and teardown are all taken care of.
*
* Drivers should call drm_client_setup() after registering the new
* DRM device with drm_dev_register(). This function is safe to call
* even when there are no connectors present. Setup will be retried
* on the next hotplug event.
*
* The clients are destroyed by drm_dev_unregister().
*/
void drm_client_setup(struct drm_device *dev, const struct drm_format_info *format)
{
int ret;
ret = drm_fbdev_client_setup(dev, format);
if (ret)
drm_warn(dev, "Failed to set up DRM client; error %d\n", ret);
}
EXPORT_SYMBOL(drm_client_setup);
/**
* drm_client_setup_with_fourcc() - Setup in-kernel DRM clients for color mode
* @dev: DRM device
* @fourcc: Preferred pixel format as 4CC code for the device
*
* This function sets up the in-kernel DRM clients. It is equivalent
* to drm_client_setup(), but expects a 4CC code as second argument.
*/
void drm_client_setup_with_fourcc(struct drm_device *dev, u32 fourcc)
{
drm_client_setup(dev, drm_format_info(fourcc));
}
EXPORT_SYMBOL(drm_client_setup_with_fourcc);
/**
* drm_client_setup_with_color_mode() - Setup in-kernel DRM clients for color mode
* @dev: DRM device
* @color_mode: Preferred color mode for the device
*
* This function sets up the in-kernel DRM clients. It is equivalent
* to drm_client_setup(), but expects a color mode as second argument.
*
* Do not use this function in new drivers. Prefer drm_client_setup() with a
* format of NULL.
*/
void drm_client_setup_with_color_mode(struct drm_device *dev, unsigned int color_mode)
{
u32 fourcc = drm_driver_color_mode_format(dev, color_mode);
drm_client_setup_with_fourcc(dev, fourcc);
}
EXPORT_SYMBOL(drm_client_setup_with_color_mode);
MODULE_DESCRIPTION("In-kernel DRM clients");
MODULE_LICENSE("GPL and additional rights");
|