全志A33 SPI+RGB 屏图形显示漂移的异常

[sulong]

请问大佬们如何解决这个
静态显示 视图错位，动态刷屏时整个画面会漂移和错位




屏配置

[shuaige]

@sulong 可能是屏配置的模式有关。之前在其他平台上遇到，屏配置了 SYNC 模式， RGB芯片输出 DE 模式这种情况导致偏移。

[ljz_cjlu]

@sulong 可能是分辨率的问题

[sulong]

@shuaige 这是获取到的lcd 的相关信息
===to open /dev/fb0 ok===
=== Basic LCD Parameters ===
Active Resolution: 240x320
Virtual Resolution: 240x640
Color Depth: 32 bits
Frame Buffer Size: 614400 bytes
Bytes per Line: 960
Device ID:

=== Timing Parameters ===
Horizontal Sync: 10 pixels
Vertical Sync: 4 lines
Horizontal Front Porch: 10
Horizontal Back Porch: 38
Vertical Front Porch: 4
Vertical Back Porch: 8
Pixel Clock: 250000 ps
Active Resolution: 240x320
Pixel Clock: 4.00 MHz
Frame Rate: 39.95 Hz
H Total: 298 | V Total: 336
HSync: 10 | HFP: 10 | HBP: 38
VSync: 4 | VFP: 4 | VBP: 8

=== Color Format ===
Red Offset: 16 bits
Red Length: 8 bits
Green Offset: 8 bits
Green Length: 8 bits
Blue Offset: 0 bits
Blue Length: 8 bits

=== Memory Attributes ===
Memory Physical Address: 0x58210000
Memory Type: Packed
Memory Access: Direct Color
Device ID:
Memory Type: 0