Hi all, it seems, that the G2D kernel driver has some issue:
libvdpau-sunxi uses G2D_CMD_BITBLT for creating surfaces, so at the end of mixer_blt, there is g2d_wait_cmd_finish() called. As soon as (timeout==0) gets TRUE in https://github.com/linux-sunxi/linux-sunxi/blob/sunxi-3.4/drivers/char/sunxi_g2d/g2d.c#L120 , g2d stops working. It's not possible to interact with /dev/g2d anymore until you reboot (or possibly un-/reload the module).
I'm not sure how to exactly reproduce that. It mostly occurs the second time i start VDR with libvdpau-sunxi and OSD.
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