WhyCan Forum(哇酷开发者社区)

root@TinaLinux:/# lv_examples 0
wh=1024x600, vwh=1024x1200, bpp=32, rotated=0[   33.567377] VE: enable hw clock

Turn on double buffering.
Turn on 2d hardware acceleration.
Turn on 2d hardware rotation acceleration.
[   33.573674] enable_cedar_hw_clk,552
Use USE_SUNXIFB_G2D
Use USE_SUNXIFB_DOUBLE_BUFFER
Use USE_SUNXIFB_G2D_ROTATE
[   33.651567] [G2D]dma_buf_get failed, fd=255
[   33.656237] [G2D] (g2d_rotate_set_para) line:139: map src_item fail!
Error: G2D_CMD_BITBLT_H failed: Operation not permitted
Error: src_addr=5242880 src.format=0 src_wh=[1024 600] src_clip=[0 0 1024 600] dst_addr=0 dst.format=[   33.673821] [G2D]dma_buf_get failed, fd=255
0 dst_wh=[1024 1200] dst_clip=[0 600 1024 600] 已经参考过全志修改 gui/lvgl-8/lv_drivers/display/g2d_driver_enh.h 头文件并没有效果