Hi Maxime, On 9/3/20 5:00 PM, Maxime Ripard wrote: > Hi everyone, > > Here's a (pretty long) series to introduce support in the VC4 DRM driver > for the display pipeline found in the BCM2711 (and thus the RaspberryPi 4). > > The main differences are that there's two HDMI controllers and that there's > more pixelvalve now. Those pixelvalve come with a mux in the HVS that still > have only 3 FIFOs. Both of those differences are breaking a bunch of > expectations in the driver, so we first need a good bunch of cleanup and > reworks to introduce support for the new controllers. > > Similarly, the HDMI controller has all its registers shuffled and split in > multiple controllers now, so we need a bunch of changes to support this as > well. > > Only the HDMI support is enabled for now (even though the DPI and DSI > outputs have been tested too). > > Let me know if you have any comments > Maxime > > Cc: bcm-kernel-feedback-list@xxxxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > Cc: Kamal Dasu <kdasu.kdev@xxxxxxxxx> > Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: Stephen Boyd <sboyd@xxxxxxxxxx> > > Changes from v4: > - Rebased on top of next-20200828 > - Collected the various tags > - Fixed some issues with 4k support and dual output (thanks Hoegeun!) Thanks for your v5 patchset. I tested all patches based on the next-20200812. Everything else is fine, but the dual hdmi modetest doesn't work well in my environment... In my environment, dsi is not connected, I have seen your answer[1]. Do you have any other settings? For example in config.txt. [1] https://lkml.org/lkml/2020/9/2/566 > - Fixed typos in commit logs (thanks Dave!) > - Split the csc setup hook into its own patch again > - Added the CEC clock to the DT binding > - Fixed the DT binding example > - Reduced the number of calls to of_device_is_compatible in vc4_kms_load > - Added back the check for the state commit in our commit hook Best regards, Hoegeun
