Hi Frank On Fri, Dec 09, 2022 at 03:52:42PM +0000, Frank Li wrote: > Hi Serge, > > > From: Serge Semin, Sent: Thursday, December 8, 2022 11:01 PM > > > > Cc += Frank Li > > > > @Frank could you have a look at the thread and check the content of > > the CSRs dbi+0x8f8 and dbi+0x978 on available to you DW PCIe +EDMA > > devices? > > [ 2.598038] imx6q-pcie 5f010000.pcie_ep: imx_add_pcie_ep: +0x8f8 = 3438302a, +0x978 = 00010001 Thanks for the reply. So it's 4.80a with the legacy viewport-based access. Alas it isn't what we need in this thread. We'll need @Mani's respond in order to decide how to fix the auto-detection procedure. -Serge(y) > > Frank Li > >