如题，我在kernelmenuconfig里选了硬件G2D，结果运行LVGL的DEMO时就疯狂闪烁（黑屏再重新显示下一帧），并且LOG一直输出：
[ 77.161294] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 77.208522] L1 PageTable Invalid
[ 77.214706] 0x0 is not mapped!
[ 77.218104] G2D invalid address: 0x0, data:0x0, id:0x8
[ 77.311295] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 77.363780] L1 PageTable Invalid
[ 77.369962] 0x0 is not mapped!
[ 77.373361] G2D invalid address: 0x0, data:0x0, id:0x8
[ 77.471297] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 77.515938] L1 PageTable Invalid
[ 77.522120] 0x0 is not mapped!
[ 77.525519] G2D invalid address: 0x0, data:0x0, id:0x8
[ 77.621295] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 77.655194] L1 PageTable Invalid
[ 77.661379] 0x0 is not mapped!
[ 77.664777] G2D invalid address: 0x0, data:0x0, id:0x8
[ 77.761295] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 77.811614] L1 PageTable Invalid
[ 77.817797] 0x0 is not mapped!
[ 77.821201] G2D invalid address: 0x0, data:0x0, id:0x8
[ 77.921296] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 77.968197] L1 PageTable Invalid
[ 77.974379] 0x0 is not mapped!
[ 77.977779] G2D invalid address: 0x0, data:0x0, id:0x8
[ 78.071292] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 78.107400] L1 PageTable Invalid
[ 78.113582] 0x0 is not mapped!
[ 78.116982] G2D invalid address: 0x0, data:0x0, id:0x8
[ 78.211296] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 78.246511] L1 PageTable Invalid
[ 78.252691] 0x0 is not mapped!
[ 78.256090] G2D invalid address: 0x0, data:0x0, id:0x8
[ 78.351295] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 78.385612] L1 PageTable Invalid
[ 78.391795] 0x0 is not mapped!
[ 78.395194] G2D invalid address: 0x0, data:0x0, id:0x8
[ 78.491298] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
ION_IOC_SUNXI_FLUSH_RANGE failed[ 78.524778] L1 PageTable Invalid
[ 78.530961] 0x0 is not mapped!
[ 78.534359] G2D invalid address: 0x0, data:0x0, id:0x8
[ 78.631293] [G2D] (g2d_wait_cmd_finish) line:532: G2D irq pending flag timeot
Error: sunxifb_g2d_blit_to_fb G2D_CMD_BITBLT_H failed: Operation not permitted
sunxifb_g2d_blit_to_fb src[phy=(nil) format=0 alpha=255 wh=[0 0] clip=[0 0 0 0]]
求助大佬们！！！！！！！！！！！！！！
离线