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@k123456 g2d_fd是打开的/dev/g2d，能正常运行 g2d_fd = open("/dev/g2d", O_RDWR);
我的是linux5.4.61，想在awtk中启用g2d，ioctl(g2d_fd, G2D_CMD_FILLRECT, &fillrect)下perror打印Operation not permitted，不知道是啥情况，请教各位大神