GitHub-Mirror/build
2
0
Fork 0
mirror of https://github.com/Fishwaldo/build.git synced 2025-07-17 10:28:35 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix for 4k monitors to limit down screen resolution from auto detected 4k down to 2k since older Allwinner devices can't display it.

Browse source 
https://forum.armbian.com/index.php/topic/2864-h3-u-boot-hdmi-driver/?p=20981
This commit is contained in:
Igor Pecovnik 2016-12-06 06:02:03 +01:00
parent b8b7fa15c1
commit 1bf75eda2d
1 changed files with 20 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

20
patch/u-boot/u-boot-sunxi/4kfix-limit-screen-to-full-hd.patch Normal file
View file

@ -0,0 +1,20 @@
diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c
index 6f8ee01..7c12a66 100644
--- a/drivers/video/sunxi_display.c
+++ b/drivers/video/sunxi_display.c
@@ -1406,8 +1406,12 @@ void *video_hw_init(void)
ret = sunxi_hdmi_hpd_detect(hpd_delay);
if (ret) {
printf("HDMI connected: ");
- if (edid && sunxi_hdmi_edid_get_mode(&custom) == 0)
- mode = &custom;
+ if (edid && sunxi_hdmi_edid_get_mode(&custom) == 0) {
+ if((custom.xres <= 1920) && (custom.yres <= 1080))
+ mode = &custom;
+ else
+ mode = &res_mode_init[RES_MODE_1920x1080];
+ }
} else if (hpd) {
sunxi_hdmi_shutdown();
sunxi_display.monitor = sunxi_get_default_mon(false);