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
