Hi Simon,
i only think, that Allwinner already did a workaround against that
non-screen-clearing issue in their in code.
They do DISP_CMD_HDMI_OFF, DISP_CMD_HDMI_SET_MODE and DISP_CMD_HDMI_ON
after finishing displaying on the framebuffer.
They "reset" the HDMI.
I haven't tested that. So that is just a guess and maybe a hint, where
to look for...
Regards
Andreas
Am 16.02.2015 um 16:11 schrieb Simo Xefil:
Hallo Andreas,
Sorry, I'm not totally understanding your answer.
You mean I should replace some part of my drivers recompiling a part
of what you've linked?
Thanks,
Simon
Il giorno lunedì 16 febbraio 2015 10:12:56 UTC+1, Andreas Baierl ha
scritto:
I don't know the reason, but i suppose, that issue is the reason,
why Allwinner themselves placed this workaround in their example code:
https://github.com/linux-sunxi/cedarx-libs/blob/master/libcedarv/linux-armhf/sample/render/render.c#L254
<https://github.com/linux-sunxi/cedarx-libs/blob/master/libcedarv/linux-armhf/sample/render/render.c#L254>
A display bug may be a reason for this issue at all.
Regards
Andreas
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