Am Samstag, 27. Dezember 2025, 08:22:05 Mitteleuropäische Normalzeit schrieb Icenowy Zheng: > 在 2025-12-27星期六的 15:03 +0800，Andy Yan写道： > > > > > > Hello， > > > > 在 2025-12-26 21:27:53，"Icenowy Zheng" <[email protected]> 写道： > > > 在 2025-12-25星期四的 19:07 +0800，Andy Yan写道： > > > > > > > > > > > > Hello Icenowy: > > > > > > > > At 2025-12-25 00:12:01, "Icenowy Zheng" <[email protected]> > > > > wrote: > > > > > From: Icenowy Zheng <[email protected]> > > > > > > > > > > T-Head TH1520 SoC contains a Synopsys DesignWare HDMI > > > > > controller > > > > > (paired > > > > > with DesignWare HDMI TX PHY Gen2) that takes the "DP" output > > > > > from > > > > > the > > > > > display controller. > > > > > > > > > > Add a driver for this controller utilizing the common > > > > > DesignWare > > > > > HDMI > > > > > code in the kernel. > > > > > > > > > > Signed-off-by: Icenowy Zheng <[email protected]> > > > > > Signed-off-by: Icenowy Zheng <[email protected]> > > > > > --- > > > > > No changes in v3, v4. > > > > > > > > > > Changes in v2: > > > > > - Created a new function to set PHY parameters and refactored > > > > > the > > > > > control flow of the configure_phy callback. > > > > > > > > > > MAINTAINERS | 1 + > > > > > drivers/gpu/drm/bridge/Kconfig | 10 ++ > > > > > drivers/gpu/drm/bridge/Makefile | 1 + > > > > > drivers/gpu/drm/bridge/th1520-dw-hdmi.c | 173 > > > > > ++++++++++++++++++++++++ > > > > > 4 files changed, 185 insertions(+) > > > > > create mode 100644 drivers/gpu/drm/bridge/th1520-dw-hdmi.c > > > > > > > > > > > > As this is a Synopsys DesignWare based IP, maybe it's better to > > > > put > > > > it under "drivers/gpu/drm/bridge/synopsys/" > > > > Or just create a dir for thead, I think there will come other > > > > display > > > > related drivers for thead in the future. > > > > > > It's not proper to place vendor glues to synopsys/ . > > > > > > TI has precedents for doing this with Cadence IP， see > > > > drivers/gpu/drm/bridge/cadence/cdns-dsi-j721e.c > > drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-j721e.c > > Well for this kind of things, I prefer to hear from the maintainer of > DW HDMI bridges (although it seems that this has no dedicated > MAINTAINERS entry and get_maintainers just returns people for DRM > DRIVERS FOR BRIDGE CHIPS).
I think the best way to resolve this question would be to actively ask on the dri-devel IRC channel (on the OFTC network), because people might not even realize this quite interesting question is in here, but I guess most of the relevant people are on there. But probably wait after new years, so people can actually return from all the festivities happening right now. Heiko
