Hi
my xavier agx dp0 has not output for sony 4k screen.
this is kernel log.
15220000.nvdisplay is alway reconfigure.
My dts.
head2: nvdisplay@15220000 {
status = "disabled";
compatible = "nvidia,tegra194-dc";
reg = <0x0 0x15220000 0x0 0x10000>;
interrupts = <0 155 4>;
iommus = <&smmu TEGRA_SID_NVDISPLAY>;
iso-smmu;
non-coherent;
nvidia,dc-ctrlnum = <2>;
nvidia,cmu-enable = <0x1>;
clock-names = "nvdisplay_disp",
"nvdisplayhub", "nvdisplay_p0",
"nvdisplay_p1", "nvdisplay_p2",
"nvdisplay_p3", "pllp_display",
"pll_d", "plld2",
"plld3", "plld4",
"disp3_emc";
clocks = <&bpmp_clks TEGRA194_CLK_NVDISPLAY_DISP>,
<&bpmp_clks TEGRA194_CLK_NVDISPLAYHUB>,
<&bpmp_clks TEGRA194_CLK_NVDISPLAY_P0>,
<&bpmp_clks TEGRA194_CLK_NVDISPLAY_P1>,
<&bpmp_clks TEGRA194_CLK_NVDISPLAY_P2>,
<&bpmp_clks TEGRA194_CLK_NVDISPLAY_P3>,
<&bpmp_clks TEGRA194_CLK_PLLP_OUT0>,
<&bpmp_clks TEGRA194_CLK_PLLD>,
<&bpmp_clks TEGRA194_CLK_PLLD2>,
<&bpmp_clks TEGRA194_CLK_PLLD3>,
<&bpmp_clks TEGRA194_CLK_PLLD4>,
<&bpmp_clks TEGRA194_CLK_EMC>;
reset-names = "misc", "wgrp0", "wgrp1", "wgrp2",
"wgrp3", "wgrp4", "wgrp5", "head2";
resets = <&bpmp_resets TEGRA194_RESET_NVDISPLAY0_MISC>,
<&bpmp_resets TEGRA194_RESET_NVDISPLAY0_WGRP0>,
<&bpmp_resets TEGRA194_RESET_NVDISPLAY0_WGRP1>,
<&bpmp_resets TEGRA194_RESET_NVDISPLAY0_WGRP2>,
<&bpmp_resets TEGRA194_RESET_NVDISPLAY0_WGRP3>,
<&bpmp_resets TEGRA194_RESET_NVDISPLAY0_WGRP4>,
<&bpmp_resets TEGRA194_RESET_NVDISPLAY0_WGRP5>,
<&bpmp_resets TEGRA194_RESET_NVDISPLAY0_HEAD2>;
fb_reserved = <&fb2_reserved>;
iommu-direct-regions = <&fb0_reserved &fb1_reserved
&fb2_reserved &fb3_reserved>;
pinctrl-names = "hdmi-dp0-dpd-disable", "hdmi-dp0-dpd-enable",
"hdmi-dp1-dpd-disable", "hdmi-dp1-dpd-enable",
"hdmi-dp2-dpd-disable", "hdmi-dp2-dpd-enable",
"hdmi-dp3-dpd-disable", "hdmi-dp3-dpd-enable";
pinctrl-0 = <&hdmi_dp0_dpd_disable>;
pinctrl-1 = <&hdmi_dp0_dpd_enable>;
pinctrl-2 = <&hdmi_dp1_dpd_disable>;
pinctrl-3 = <&hdmi_dp1_dpd_enable>;
pinctrl-4 = <&hdmi_dp2_dpd_disable>;
pinctrl-5 = <&hdmi_dp2_dpd_enable>;
pinctrl-6 = <&hdmi_dp3_dpd_disable>;
pinctrl-7 = <&hdmi_dp3_dpd_enable>;
};
&head2 {
status = "okay";
nvidia,fb-bpp = <32>;
nvidia,fbmem-size = <265420800>; /* 8K (7680*4320) 32bpp double buffered */
nvidia,fb-flags = <TEGRA_FB_FLIP_ON_PROBE>;
win-mask = <0x30>;
nvidia,fb-win = <4>;
nvidia,dc-connector = <&sor1>;
nvidia,dc-flags = <TEGRA_DC_FLAG_ENABLED>;
avdd_hdmi-supply = <&p2888_spmic_sd0>;
avdd_hdmi_pll-supply = <&p2888_spmic_sd1>;
vdd_hdmi_5v0-supply = <&p2822_vdd_hdmi_5v0>;
};
&sor0 {
status = "okay";
nvidia,active-panel = <&sor0_dp_display>;
};
&sor0_dp_display {
status = "okay";
nvidia,is_ext_dp_panel = <1>;
};
thanks!