[Freedreno] help: mipi dsi drm driver on 8084

vinay simha vinaysimha at inforcecomputing.com
Mon Apr 13 02:26:08 PDT 2015


Hi,

i had backported msm-next
<http://cgit.freedesktop.org/~robclark/linux/log/?h=msm-next> dsi branch to
3.10.40 kernel
https://github.com/vinaysimha/kernel-msm-ifc6410/tree/ifc6540-drm-4.4.4-dsi

created the panel-truly in drivers/gpu/drm/panel/panel-truly.c- having some
issue regarding probing this driver even though i added the panel
description in *apq8084-mdss.dtsi.*

-------------------------------------------------------------
mdss_dsi0: qcom,mdss_dsi at fd922800 {

             panel = <&panel_truly>;
}

panel_truly : panel {
                  compatible = "truly,otm8018b";
};
-------------------------------------------------------------

But panel-truly is not getting probed. So created a panel_simple_create,
but mipi_dsi_device instance is not able to access so i cannot set
dsi->lanes, *dsi->format* so the *mipi_dsi_generic_write* is failing.
But if i hardcode dsi->lanes in
msm_dsi_host_power_on of drivers/gpu/drm/msm/dsi/dsi_host.c it will work
but still i cannot use the
*mipi_dsi_generic_write* for panel settings.

Any suggestions?
Is there any reference panel driver and .dts files to enable the dsi on
8084?

Regards,
vinay simha
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/freedreno/attachments/20150413/941dbb66/attachment.html>


More information about the Freedreno mailing list