WhyCan Forum(哇酷开发者社区)

# chmod +x /tmp/lvgl_sunxifb && /tmp/lvgl_sunxifb 0
wh=1200x1920, vwh=1200x3840, bpp=32, rotated=0
Turn on double buffering.
Turn on 2d hardware acceleration.
Turn on 2d hardware acceleration rotate.
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=0x1200000 format=0 alpha=255 wh=[1200 1920] clip=[0 0 1200 1920]] dst=[phy=(nil) format=0 wh=[1200 3840] clip=[0 0 1200 1920]]
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=0x1200000 format=0 alpha=255 wh=[1200 1920] clip=[0 0 1200 1920]] dst=[phy=(nil) format=0 wh=[1200 3840] clip=[0 1920 1200 1920]]
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=0x1200000 format=0 alpha=255 wh=[1200 1920] clip=[0 0 1200 1920]] dst=[phy=(nil) format=0 wh=[1200 3840] clip=[0 0 1200 1920]]
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=0x1200000 format=0 alpha=255 wh=[1200 1920] clip=[0 0 1200 1920]] dst=[phy=(nil) format=0 wh=[1200 3840] clip=[0 1920 1200 1920]]