mirrors/u-boot
1
0
Fork 0
mirror of https://source.denx.de/u-boot/u-boot.git synced 2026-05-04 20:26:13 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

video: bridge-uclass: add get_display_timing ops

Browse Source 
Add get_display_timing ops for internal bridges linked to
panels that do not support EDID (MIPI-DSI panels for example)
or have EDID not routed.

Tested-by: Dang Huynh <danct12@riseup.net> (PineTab 2)
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Svyatoslav Ryhel 2025-02-14 10:57:05 +02:00
parent 617f9e2470
commit ab516f5e27
2 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/video/bridge/video-bridge-uclass.c
View File

@ -33,6 +33,17 @@ int video_bridge_attach(struct udevice *dev)
return ops->attach(dev);
}
int video_bridge_get_display_timing(struct udevice *dev,
struct display_timing *timings)
{
struct video_bridge_ops *ops = video_bridge_get_ops(dev);
if (!ops->get_display_timing)
return -ENOSYS;
return ops->get_display_timing(dev, timings);
}
int video_bridge_check_attached(struct udevice *dev)
{
struct video_bridge_priv *uc_priv = dev_get_uclass_priv(dev);

21
include/video_bridge.h
View File

@ -53,6 +53,19 @@ struct video_bridge_ops {
*/
int (*set_backlight)(struct udevice *dev, int percent);
/**
* get_display_timing() - Get display timings from bridge.
*
* @dev: Bridge device containing the linked display timings
* @tim: Place to put timings
* @return 0 if OK, -ve on error
*
* This call it totally optional and useful mainly for integrated
* bridges with fixed output device.
*/
int (*get_display_timing)(struct udevice *dev,
struct display_timing *timing);
/**
* read_edid() - Read information from EDID
*
@ -98,6 +111,14 @@ int video_bridge_set_active(struct udevice *dev, bool active);
*/
int video_bridge_check_attached(struct udevice *dev);
/**
* video_bridge_get_display_timing() - Get display timings from bridge.
*
* @dev: Bridge device containing the linked display timings
* Return: 0 if OK, -ve on error
*/
int video_bridge_get_display_timing(struct udevice *dev,
struct display_timing *timing);
/**
* video_bridge_read_edid() - Read information from EDID
*