On Mon, Apr 16, 2018 at 11:41 PM, Heiko Stuebner <heiko at sntech.de> wrote: > Hi Vicente, > > Am Montag, 16. April 2018, 23:18:27 CEST schrieb Vicente Bergas: >> Hello, >> >> first of all, I am not sure if this goes to >> linux-rockchip at lists.infradead.org >> or >> dri-devel at lists.freedesktop.org >> Please, tell me if I have chosen the wrong list. > > Best would be having both in the Cc list :-) > > >> In 4.16-rc7 the HDMI video works with minor issues, but it is perfectly >> usable. In 4.17-rc1 the HDMI port is not detected at all. >> >> Here are the messages from dmesg that I think are relevant: >> >> Linux version 4.16.0-rc7+ (vj at alarm) (gcc version 7.3.0 (GCC)) #15 SMP >> Mon Mar 26 19:03:44 CEST 2018 >> iommu: Adding device ff8f0000.vop to group 0 >> iommu: Adding device ff900000.vop to group 1 >> rockchip-drm display-subsystem: bound ff8f0000.vop (ops vop_component_ops) >> rockchip-drm display-subsystem: bound ff900000.vop (ops vop_component_ops) >> rockchip-drm display-subsystem: failed to bind ff940000.hdmi (ops >> dw_hdmi_rockchip_ops): -EPROBE_DEFER >> rockchip-drm display-subsystem: master bind failed: -EPROBE_DEFER >> rockchip-drm display-subsystem: bound ff8f0000.vop (ops vop_component_ops) >> rockchip-drm display-subsystem: bound ff900000.vop (ops vop_component_ops) >> dwhdmi-rockchip ff940000.hdmi: Detected HDMI TX controller v2.11a with >> HDCP (DWC HDMI 2.0 TX PHY) >> rockchip-drm display-subsystem: bound ff940000.hdmi (ops dw_hdmi_rockchip_ops) >> [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). >> [drm] No driver support for vblank timestamp query. >> Console: switching to colour frame buffer device 240x67 >> rockchip-drm display-subsystem: fb0: frame buffer device >> [drm] Initialized rockchip 1.0.0 20140818 for display-subsystem on minor 0 >> >> Linux version 4.17.0-rc1+ (vj at alarm) (gcc version 7.3.0 (GCC)) #1 SMP >> Mon Apr 16 19:42:50 CEST 2018 >> rk_iommu ff8f3f00.iommu: Failed to get clk 'iface': -ENOENT >> rk_iommu: probe of ff8f3f00.iommu failed with error -ENOENT >> rk_iommu ff903f00.iommu: Failed to get clk 'iface': -ENOENT >> rk_iommu: probe of ff903f00.iommu failed with error -ENOENT >> rockchip-drm display-subsystem: Linked as a consumer to ff8f0000.vop >> rockchip-drm display-subsystem: Linked as a consumer to ff900000.vop >> rockchip-drm display-subsystem: Linked as a consumer to ff940000.hdmi >> rockchip-drm display-subsystem: master bind failed: -12 >> rockchip-vop: probe of ff900000.vop failed with error -12 >> >> >> While fixing this issue, I can help debugging and testing. > > I do belive > https://patchwork.codeaurora.org/patch/495129/ > should do the trick. Needs a respin to make it a bit more > beatiful, but should restore your display output again nevertheless. > > > Heiko Hi Heiko, thanks for such a quick answer! Tomorrow I'll give it a try. Regards, Vicente.