<div dir="ltr"><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font>dsi is not initialized in lk, since no panel get selected. </font></div><div style="font-size:12.8px;color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><div><font size="1">[6400] [6400] Device tree exact match the board: <247 65560 0 0x2> == <247 24 2 0x10000></font></div><div><font size="1">[6410] [6410] Best match DTB tags 247/00010018/0x00000002/0/2000<wbr>b/0/0/0/908b7326/cbdb</font></div><div><font size="1">[6420] [6420] Using pmic info 0x2000b/0x0/0x0/0x0 for device 0x2000b/0x0/0x0/0x0</font></div><div><font size="1">[6430] [6430] target_display_panel_node:510: hw_id=24 panel_name=""</font></div></div><div style="font-size:12.8px;color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font size="1">[190] [190] Neither 'config' nor 'frp' partition found</font></div><div style="font-size:12.8px;color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font size="1">[190] [190] Display Init: Start</font></div><div style="font-size:12.8px;color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font size="1">[200] [200] Not able to search the panel:</font></div><div style="font-size:12.8px;color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font size="1">[200] [200] Display not enabled for 24 HW type</font></div><div style="font-size:12.8px;color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font size="1">[200] [200] Target panel init not found!</font></div><div style="font-size:12.8px;color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font size="1">[210] [210] Display Init: Done </font></div><br></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font>i even tried adding in cmdline for clk_ignore_unused=1 pd_ignore_unused=1. in this case display will note come even for reboot/resume from suspend.</font></div><br class="gmail-Apple-interchange-newline">actually dsi2lvds working in kernel-v4.4.23(kernel-16.09 linaro release)<br></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">i do observer the same behaviour in kernel-v<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">4.9.56 (kernel -17.09 linaro relase) and kernel-v4.14.15(kernel-18.01 linaro relase).</span></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></div><div><div dir="ltr" style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><div>so looks like there are some diffs between v4.4.23 - v4.9.56</div></div><div class="gmail-m_-4804271286718487247gmail-yj6qo gmail-m_-4804271286718487247gmail-ajU" style="outline:none;padding:10px 0px;width:22px;margin:2px 0px 0px;color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Apr 12, 2018 at 5:45 AM, Rob Clark <span dir="ltr"><<a href="mailto:robdclark@gmail.com" target="_blank">robdclark@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I'm not sure if this is any way related to (since you mentioned<br>
regression btwn 4.9 and 4.14):<br>
<br>
<a href="https://lists.freedesktop.org/archives/dri-devel/2018-April/172152.html" rel="noreferrer" target="_blank">https://lists.freedesktop.org/<wbr>archives/dri-devel/2018-April/<wbr>172152.html</a><br>
<br>
given the mention of working when resume from suspend, I might suggest<br>
to try disabling bootloader enabling the display (ie. for splash<br>
screen), since that can cause plenty of issues<br>
<br>
BR,<br>
-R<br>
<div><div class="h5"><br>
On Wed, Apr 11, 2018 at 12:38 PM, Vinay Simha B N <<a href="mailto:simhavcs@gmail.com">simhavcs@gmail.com</a>> wrote:<br>
> hi,<br>
><br>
> we have apq8016 : IFC6309 board (ref : 410c snapdragon), dsi2lvds interfaced<br>
> to the board, dsi2lvds working fine in 4.9 kernel  , but the same dsi2lvds<br>
> driver in 4.14 kernel it works only when system comes resumes from suspend<br>
> or when i issue the reboot command.<br>
> It does not works when it boots, please suggest.<br>
><br>
> attached kernel log<br>
> <a href="https://pastebin.com/TUNWecQR" rel="noreferrer" target="_blank">https://pastebin.com/TUNWecQR</a><br>
><br>
> kernel src<br>
> <a href="https://github.com/vinaysimhabn/msm/commits/kernel-18.01-lvdsv1.0" rel="noreferrer" target="_blank">https://github.com/<wbr>vinaysimhabn/msm/commits/<wbr>kernel-18.01-lvdsv1.0</a><br>
><br>
><br>
> --<br>
> regards,<br>
> vinaysimha<br>
><br>
</div></div>> ______________________________<wbr>_________________<br>
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><br>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">regards,<br>vinaysimha</div>
</div>