<div dir="ltr"><div class="gmail_quote gmail_quote_container"><div dir="ltr">Hi,<br><div><span style="font-family:Calibri,sans-serif;font-size:11pt">Requesting to please go through below mail that deals with MIPI DSI display panel bringup activity.</span></div><div>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Jd9365da  is  a MIPI dsi panel is connected to nxp based imx8mm
core board directly without any bridge and it’s connected through MIPI DSIM
(SAMSUNG)  (linux-6.6/drivers/gpu/drm/<span style="font-size:11pt">Bridge/Samsung-dsim.c) software interface.</span></p>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Prepared Scarthgap yocto BSP images for imx8mm core based
NXP  board  running with linux-6.6 kernel version and booted the board.</p>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">The below log in boot sequence  confirm panel is
attached with dsim host controller.  </p>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">{{</p>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span style="background:yellow">[   
2.568380] samsung-dsim 32e10000.dsi: [drm:samsung_dsim_host_attach] Attached
display-8hd-a device // printed from samsung_dsim_host_attach()  in drivers/gpu/drm/bridge/samsung-dsim.c</span></p>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">}}</p><p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">But <span style="background-color:yellow;font-size:11pt">The
issue I am facing currently is DRM pipeline is failing to trigger struct
drm_bridge_funcs attach() definition i.e Samsung_dsim_attach() that in turn invokes
drm_bridge_attach() and it helps in triggering </span><span style="background-color:yellow;font-size:11pt">Jd9365da drm_panel specific prepare/enable functions subsequently.</span></p>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">I attached a debug log added  to Samsung-dsim.c file
along with a jd9365da panel file (with debug logs) and boot log for reference. I
attached jd9365da dts file too for reference </p>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">I request to please go through attached
files and boot logs and please provide input for further debugging. </p>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">I attached an arch/arm64/boot/dts/freescale/imx8mm.dtsi file
(that contains mipi-dsi entries for Samsung-dsim.c) .</p>

<p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><br></p><p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Kind Regards</p><p style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Kote</p></div></div>
</div></div>