Hi Heiko/Kerver/Anatoloj, On Mon, Dec 11, 2023 at 2:30 PM Jagan Teki <ja...@amarulasolutions.com> wrote: > > Unlike RK3399, Sunxi/Meson DW HDMI the new Rockchip SoC Rk3328 would > support external vendor PHY with DW HDMI chip. > > Support this vendor PHY by adding new platform PHY ops via DW HDMI > driver and call the respective generic phy from platform driver code. > > This series tested in RK3328 with 1080p (1920x1080) resolution. > > Patch 0001/0005: Support Vendor PHY > Patch 0006/0008: VOP extension for win, dsp offsets > Patch 0009/0010: RK3328 VOP, HDMI clocks > Patch 0011: Rockchip Inno HDMI PHY > Patch 0012: RK3328 HDMI driver > Patch 0013: RK3328 VOP driver > Patch 0014/0017: Enable HDMI Out for RK3328 > > Importent: > One pontential issues is that Linux HDMI out on RK3328 has effected by > this patchset as I wouldn't find any relation or clue. > > [ 0.752016] Loading compiled-in X.509 certificates > [ 0.787796] inno_hdmi_phy_rk3328_clk_recalc_rate: parent 24000000 > [ 0.788391] inno-hdmi-phy ff430000.phy: > inno_hdmi_phy_rk3328_clk_recalc_rate rate 148500000 vco 148500000 > [ 0.798353] rockchip-drm display-subsystem: bound ff370000.vop (ops > vop_component_ops) > [ 0.799403] dwhdmi-rockchip ff3c0000.hdmi: supply avdd-0v9 not found, > using dummy regulator > [ 0.800288] rk_iommu ff373f00.iommu: Enable stall request timed out, > status: 0x00004b > [ 0.801131] dwhdmi-rockchip ff3c0000.hdmi: supply avdd-1v8 not found, > using dummy regulator > [ 0.802056] rk_iommu ff373f00.iommu: Disable paging request timed out, > status: 0x00004b > [ 0.803233] dwhdmi-rockchip ff3c0000.hdmi: Detected HDMI TX controller > v2.11a with HDCP (inno_dw_hdmi_phy2) > [ 0.805355] dwhdmi-rockchip ff3c0000.hdmi: registered DesignWare HDMI I2C > bus driver > [ 0.808769] rockchip-drm display-subsystem: bound ff3c0000.hdmi (ops > dw_hdmi_rockchip_ops) > [ 0.810869] [drm] Initialized rockchip 1.0.0 20140818 for > display-subsystem on minor 0 > > The only way I can use Linux HDMI by disabling IOMMU or support > disable-iommu link for RK3328 via DT [1]. > > [1] https://www.spinics.net/lists/devicetree/msg605124.html
Is anyone aware of this issue? I did post the patches for Linux IOMMU but seems not a proper solution. Any suggestions? Thanks, Jagan.
