Hello Ti team,
We have custom board based on am625, we are using SDK9.
kmstest and kmsprint commands are working, but it's couldn't display anything.
Logs are given below.
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~# systemctl status weston.service
�● weston.service - Weston, a Wayland compositor, as a system service
Loaded: loaded (8;;file://sm2s-am6254/lib/systemd/system/weston.service/lib/systemd/system/weston.service8;;; enabled; vendor preset: enabled)8;;
Active: active (running) since Sat 2023-07-15 21:55:07 CEST; 11s ago
TriggeredBy: �● weston.socket
Docs: 8;;man:weston(1)man:weston(1)8;;8;;
8;;man:weston.ini(5)man:weston.ini(5)8;;8;;
8;;http://wayland.freedesktop.org/http://wayland.freedesktop.org/8;;8;;
Main PID: 581 (weston)
Tasks: 0 (limit: 2151)
Memory: 996.0K
CGroup: /system.slice/weston.service
�‣ 581 /usr/bin/weston --modules=systemd-notify.so
Jul 15 21:55:05 sm2s-am6254 systemd[1]: Starting Weston, a Wayland compositor, as a system service...
Jul 15 21:55:05 sm2s-am6254 systemd[581]: pam_unix(weston-autologin:session): session opened for user weston(uid=1001) by weston(uid=0)
Jul 15 21:55:07 sm2s-am6254 systemd[1]: Started Weston, a Wayland compositor, as a system service.
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~# systemctl status weston.socket
�● weston.socket - Weston socket
Loaded: loaded (8;;file://sm2s-am6254/lib/systemd/system/weston.socket/lib/systemd/system/weston.socket8;;; enabled; vendor preset: enabled)8;;
Active: active (running) since Sat 2023-07-15 21:55:03 CEST; 21s ago
Until: Sat 2023-07-15 21:55:03 CEST; 21s ago
Triggers: �● weston.service
Listen: /run/wayland-0 (Stream)
Tasks: 0 (limit: 2151)
Memory: 4.0K
CGroup: /system.slice/weston.socket
Jul 15 21:55:03 sm2s-am6254 systemd[1]: Starting Weston socket...
Jul 15 21:55:03 sm2s-am6254 systemd[1]: Listening on Weston socket.
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~# kmsprint
Connector 0 (40) LVDS-1 (connected)
Encoder 0 (39) LVDS
Crtc 0 (38) 1280x800@68.72 75.000 1280/30/4/30/? 800/4/4/4/? 69 (68.72) 0x0 0x48
Plane 0 (31) fb-id: 50 (crtcs: 0) 0,0 1280x800 -> 0,0 1280x800 (AR12 AB12 RA12 RG16 BG16 AR15 AB15 AR24 AB24 RA24 BA24 RG24 BG24 AR30 AB30 XR12 XB12 RX12 XR15 XB15 XR24 XB24 RX24 BX24 XR30 XB30 YUYV UYVY N
V12)
FB 50 1280x800
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~# kmstest --flip
Could not get DRM master permission. Card already in use?
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~# systemctl stop weston.socket
root@sm2s-am6254:~# systemctl stop weston.service
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~# kmstest --flip
Connector 0/@40: LVDS-1
Crtc 0/@38: 1280x800@68.72 75.000 1280/30/4/30/? 800/4/4/4/? 69 (68.72) 0x0 0x48
Plane 0/@31: 0,0-1280x800
Fb 50 1280x800-XR24
press enter to exit
Connector 0: fps 68.72, slowest 14.70 ms
Connector 0: fps 68.72, slowest 14.63 ms
Connector 0: fps 68.72, slowest 14.64 ms
^C
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~#
root@sm2s-am6254:~# modetest -M tidss
Encoders:
id crtc type possible crtcs possible clones
39 38 LVDS 0x00000001 0x00000001
Connectors:
id encoder status name size (mm) modes encoders
40 39 connected LVDS-1 262x164 1 39
modes:
index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot
#0 1280x800 68.72 1280 1310 1314 1344 800 804 808 812 75000 flags: ; type: preferred, driver
props:
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 0
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
CRTCs:
id fb pos size
38 49 (0,0) (1280x800)
#0 1280x800 68.72 1280 1310 1314 1344 800 804 808 812 75000 flags: ; type: preferred, driver
props:
24 VRR_ENABLED:
flags: range
values: 0 1
value: 0
27 CTM:
flags: blob
blobs:
value:
28 GAMMA_LUT:
flags: blob
blobs:
value:
29 GAMMA_LUT_SIZE:
flags: immutable range
values: 0 4294967295
value: 256
Planes:
id crtc fb CRTC x,y x,y gamma size possible crtcs
31 38 49 0,0 0,0 0 0x00000001
formats: AR12 AB12 RA12 RG16 BG16 AR15 AB15 AR24 AB24 RA24 BA24 RG24 BG24 AR30 AB30 XR12 XB12 RX12 XR15 XB15 XR24 XB24 RX24 BX24 XR30 XB30 YUYV UYVY NV12
props:
8 type:
flags: immutable enum
enums: Overlay=0 Primary=1 Cursor=2
value: 1
30 IN_FORMATS:
flags: immutable blob
blobs:
value:
01000000000000001d00000018000000
01000000900000004152313241423132
52413132524731364247313641523135
41423135415232344142323452413234
42413234524732344247323441523330
41423330585231325842313252583132
58523135584231355852323458423234
52583234425832345852333058423330
59555956555956594e56313200000000
ffffff1f000000000000000000000000
0000000000000000
in_formats blob decoded:
AR12: LINEAR
AB12: LINEAR
RA12: LINEAR
RG16: LINEAR
BG16: LINEAR
AR15: LINEAR
AB15: LINEAR
AR24: LINEAR
AB24: LINEAR
RA24: LINEAR
BA24: LINEAR
RG24: LINEAR
BG24: LINEAR
AR30: LINEAR
AB30: LINEAR
XR12: LINEAR
XB12: LINEAR
RX12: LINEAR
XR15: LINEAR
XB15: LINEAR
XR24: LINEAR
XB24: LINEAR
RX24: LINEAR
BX24: LINEAR
XR30: LINEAR
XB30: LINEAR
YUYV: LINEAR
UYVY: LINEAR
NV12: LINEAR
33 zpos:
flags: immutable range
values: 0 0
value: 0
34 COLOR_ENCODING:
flags: enum
enums: ITU-R BT.601 YCbCr=0 ITU-R BT.709 YCbCr=1
value: 0
35 COLOR_RANGE:
flags: enum
enums: YCbCr limited range=0 YCbCr full range=1
value: 1
36 alpha:
flags: range
values: 0 65535
value: 65535
37 pixel blend mode:
flags: enum
enums: Pre-multiplied=0 Coverage=1
value: 0
41 0 0 0,0 0,0 0 0x00000001
formats: AR12 AB12 RA12 RG16 BG16 AR15 AB15 AR24 AB24 RA24 BA24 RG24 BG24 AR30 AB30 XR12 XB12 RX12 XR15 XB15 XR24 XB24 RX24 BX24 XR30 XB30 YUYV UYVY NV12
props:
8 type:
flags: immutable enum
enums: Overlay=0 Primary=1 Cursor=2
value: 0
30 IN_FORMATS:
flags: immutable blob
blobs:
value:
01000000000000001d00000018000000
01000000900000004152313241423132
52413132524731364247313641523135
41423135415232344142323452413234
42413234524732344247323441523330
41423330585231325842313252583132
58523135584231355852323458423234
52583234425832345852333058423330
59555956555956594e56313200000000
ffffff1f000000000000000000000000
0000000000000000
in_formats blob decoded:
AR12: LINEAR
AB12: LINEAR
RA12: LINEAR
RG16: LINEAR
BG16: LINEAR
AR15: LINEAR
AB15: LINEAR
AR24: LINEAR
AB24: LINEAR
RA24: LINEAR
BA24: LINEAR
RG24: LINEAR
BG24: LINEAR
AR30: LINEAR
AB30: LINEAR
XR12: LINEAR
XB12: LINEAR
RX12: LINEAR
XR15: LINEAR
XB15: LINEAR
XR24: LINEAR
XB24: LINEAR
RX24: LINEAR
BX24: LINEAR
XR30: LINEAR
XB30: LINEAR
YUYV: LINEAR
UYVY: LINEAR
NV12: LINEAR
43 zpos:
flags: range
values: 1 1
value: 0
44 COLOR_ENCODING:
flags: enum
enums: ITU-R BT.601 YCbCr=0 ITU-R BT.709 YCbCr=1
value: 0
45 COLOR_RANGE:
flags: enum
enums: YCbCr limited range=0 YCbCr full range=1
value: 1
46 alpha:
flags: range
values: 0 65535
value: 65535
47 pixel blend mode:
flags: enum
enums: Pre-multiplied=0 Coverage=1
value: 0
Frame buffers:
id size pitch
root@sm2s-am6254:~#
root@sm2s-am6254:~# dmesg | grep -i tidss
[ 1.541561] [drm] Initialized tidss 1.0.0 20180215 for 30200000.dss on minor 0
[ 1.595878] tidss 30200000.dss: [drm] fb0: tidssdrmfb frame buffer device
root@sm2s-am6254:~# dmesg | grep -i LVSS
root@sm2s-am6254:~# dmesg | grep -i dss
[ 0.360607] platform 30200000.dss: Fixed dependency cycle(s) with /display
[ 1.541561] [drm] Initialized tidss 1.0.0 20180215 for 30200000.dss on minor 0
[ 1.595878] tidss 30200000.dss: [drm] fb0: tidssdrmfb frame buffer device
root@sm2s-am6254:~#
root@sm2s-am6254:~#
device tree entry given below
display {
/*compatible = "microtips,mf-101hiebcaf0";*/
/*
* Note that the OLDI TX 0 transmits the odd set of pixels
* while the OLDI TX 1 transmits the even set. This is a
* fixed configuration in the IP integration and is not
* changeable. The properties, "dual-lvds-odd-pixels" and
* "dual-lvds-even-pixels" have been used to merely
* identify if a Dual Link configuration is required.
* Swapping them will not make any difference.
*/
compatible = "panel-lvds";
width-mm = <262>;
height-mm = <164>;
label = "WXGA (16:10)";
data-mapping = "jeida-24";
status = "okay";
panel-timing {
clock-frequency = <75000000>;
hactive = <1280>;
vactive = <800>;
hback-porch = <30>;
hfront-porch = <30>;
vback-porch = <4>;
vfront-porch = <4>;
hsync-len = <4>;
vsync-len = <4>;
};
port@0 {
dual-lvds-odd-pixels;
lcd_in0: endpoint {
remote-endpoint = <&oldi_out0>;
};
};
port@1 {
dual-lvds-even-pixels;
lcd_in1: endpoint {
remote-endpoint = <&oldi_out1>;
};
};
};
&dss {
pinctrl-names = "default";
pinctrl-0 = <&main_oldi0_pins_default>;
};
&dss_ports {
#address-cells = <1>;
#size-cells = <0>;
/* VP1: LVDS Output (OLDI TX 0) */
port@0 {
reg = <0>;
oldi_out0: endpoint {
remote-endpoint = <&lcd_in0>;
};
};
/* VP1: LVDS Output (OLDI TX 1) */
port@2 {
reg = <2>;
oldi_out1: endpoint {
remote-endpoint = <&lcd_in1>;
};
};
};
main_oldi0_pins_default: main-oldi0-pins-default {
pinctrl-single,pins = <
AM62X_IOPAD(0x0260, PIN_OUTPUT, 0) /* (AA5) OLDI0_A0N */
AM62X_IOPAD(0x025c, PIN_OUTPUT, 0) /* (Y6) OLDI0_A0P */
AM62X_IOPAD(0x0268, PIN_OUTPUT, 0) /* (AD3) OLDI0_A1N */
AM62X_IOPAD(0x0264, PIN_OUTPUT, 0) /* (AB4) OLDI0_A1P */
AM62X_IOPAD(0x0270, PIN_OUTPUT, 0) /* (Y8) OLDI0_A2N */
AM62X_IOPAD(0x026c, PIN_OUTPUT, 0) /* (AA8) OLDI0_A2P */
AM62X_IOPAD(0x0278, PIN_OUTPUT, 0) /* (AB6) OLDI0_A3N */
AM62X_IOPAD(0x0274, PIN_OUTPUT, 0) /* (AA7) OLDI0_A3P */
AM62X_IOPAD(0x0280, PIN_OUTPUT, 0) /* (AC6) OLDI0_A4N */
AM62X_IOPAD(0x027c, PIN_OUTPUT, 0) /* (AC5) OLDI0_A4P */
AM62X_IOPAD(0x0288, PIN_OUTPUT, 0) /* (AE5) OLDI0_A5N */
AM62X_IOPAD(0x0284, PIN_OUTPUT, 0) /* (AD6) OLDI0_A5P */
AM62X_IOPAD(0x0290, PIN_OUTPUT, 0) /* (AE6) OLDI0_A6N */
AM62X_IOPAD(0x028c, PIN_OUTPUT, 0) /* (AD7) OLDI0_A6P */
AM62X_IOPAD(0x0298, PIN_OUTPUT, 0) /* (AD8) OLDI0_A7N */
AM62X_IOPAD(0x0294, PIN_OUTPUT, 0) /* (AE7) OLDI0_A7P */
AM62X_IOPAD(0x02a0, PIN_OUTPUT, 0) /* (AD4) OLDI0_CLK0N */
AM62X_IOPAD(0x029c, PIN_OUTPUT, 0) /* (AE3) OLDI0_CLK0P */
AM62X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (AE4) OLDI0_CLK1N */
AM62X_IOPAD(0x02a4, PIN_OUTPUT, 0) /* (AD5) OLDI0_CLK1P */
>;
};
please guide us what can be the solution.
