On Thu, Jul 13, 2023 at 12:22 AM Tim Harvey <tharvey@xxxxxxxxxxxxx> wrote: > > Greetings, > > I've noticed a regression in 6.5-rc1 that I'm having trouble bisecting > between 6.4 with regards to imx8mm MIPI DSI. > > I'm testing on an imx8mm-venice-gw72xx-0x with the following display: > - Powertip PH800480T013-IDF02 compatible panel > - Toshiba TC358762 compatible DSI to DBI bridge > - ATTINY based regulator used for backlight controller and panel enable > > I'm using a dt overlay to support this [1] which works on 6.4 but on > 6.5-rc1 I get the following error: > [ 6.110585] samsung-dsim 32e60000.dsi: xfer timed out: 29 06 00 00 > 64 01 05 00 00 00 > [ 6.326588] tc358762 32e60000.dsi.0: error initializing bridge (-110) > > I'm trying to bisect this for some reason. Does anyone have any idea > what may be causing this or how I can debug it? What if you can revert or drop the dynamic PHY configuration (HEAD ... a617b33f7e51)? can you check it? Thanks, Jagan.
