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发表于 2021-4-1 11:20:28
我现在参考了这个文件，但是EDP不亮。
Line 285: [ 0.870472] rockchip-drm display-subsystem: failed to bind ff970000.edp (ops rockchip_dp_component_ops): -517
Line 287: [ 0.873347] edp-panel supply power not found, using dummy regulator
Line 288: [ 0.873414] panel-simple edp-panel: GPIO lookup for consumer enable
Line 289: [ 0.873424] panel-simple edp-panel: using device tree for GPIO lookup
Line 290: [ 0.873465] of_get_named_gpiod_flags: parsed 'enable-gpios' property of node '/edp-panel[0]' - status (0)
Line 292: [ 0.873494] panel-simple edp-panel: GPIO lookup for consumer reset
Line 293: [ 0.873503] panel-simple edp-panel: using device tree for GPIO lookup
Line 294: [ 0.873512] of_get_named_gpiod_flags: can't parse 'reset-gpios' property of node '/edp-panel[0]'
Line 295: [ 0.873521] of_get_named_gpiod_flags: can't parse 'reset-gpio' property of node '/edp-panel[0]'
Line 296: [ 0.873529] panel-simple edp-panel: using lookup tables for GPIO lookup
Line 297: [ 0.873538] panel-simple edp-panel: lookup for GPIO reset failed
Line 298: [ 0.873548] panel-simple edp-panel: GPIO lookup for consumer enable-5v
Line 299: [ 0.873555] panel-simple edp-panel: using device tree for GPIO lookup
Line 300: [ 0.873564] of_get_named_gpiod_flags: can't parse 'enable-5v-gpios' property of node '/edp-panel[0]'
Line 301: [ 0.873573] of_get_named_gpiod_flags: can't parse 'enable-5v-gpio' property of node '/edp-panel[0]'
Line 302: [ 0.873582] panel-simple edp-panel: using lookup tables for GPIO lookup
Line 303: [ 0.873590] panel-simple edp-panel: lookup for GPIO enable-5v failed
Line 304: [ 0.873598] panel-simple edp-panel: GPIO lookup for consumer enable-tc
Line 305: [ 0.873606] panel-simple edp-panel: using device tree for GPIO lookup
Line 306: [ 0.873615] of_get_named_gpiod_flags: can't parse 'enable-tc-gpios' property of node '/edp-panel[0]'
Line 307: [ 0.873623] of_get_named_gpiod_flags: can't parse 'enable-tc-gpio' property of node '/edp-panel[0]'
Line 308: [ 0.873631] panel-simple edp-panel: using lookup tables for GPIO lookup
Line 309: [ 0.873639] panel-simple edp-panel: lookup for GPIO enable-tc failed
Line 837: [ 1.557567] rockchip-dp ff970000.edp: no DP phy configured
Line 838: [ 1.557646] rockchip-dp ff970000.edp: GPIO lookup for consumer hpd
Line 839: [ 1.557658] rockchip-dp ff970000.edp: using device tree for GPIO lookup
Line 840: [ 1.557672] of_get_named_gpiod_flags: can't parse 'hpd-gpios' property of node '/edp@ff970000[0]'
Line 841: [ 1.557683] of_get_named_gpiod_flags: can't parse 'hpd-gpio' property of node '/edp@ff970000[0]'
Line 842: [ 1.557694] rockchip-dp ff970000.edp: using lookup tables for GPIO lookup
Line 843: [ 1.557706] rockchip-dp ff970000.edp: lookup for GPIO hpd failed
Line 844: [ 1.558501] i2c i2c-9: of_i2c: modalias failure on /edp@ff970000/ports
Line 845: [ 1.558835] rockchip-drm display-subsystem: bound ff970000.edp (ops rockchip_dp_component_ops)
Line 864: [ 1.831367] edp clock: 76000, i=0
Line 1560: [ 3.670702] edp clock: 76000, i=0
Line 1561: [ 3.672233] edp clock: 76000, i=0
Line 1582: [ 5.055196] rockchip-dp ff970000.edp: [drm:analogix_dp_link_start] Enable downspread on the sink
Line 1583: [ 5.058496] rockchip-dp ff970000.edp: Link Training Clock Recovery success
Line 1584: [ 5.061180] rockchip-dp ff970000.edp: Link Training success!
Line 1834: [ 9.426625] edp clock: 76000, i=0
Line 1835: [ 9.427111] edp clock: 76000, i=0
Line 1836: [ 9.862700] edp clock: 76000, i=0
Line 1862: [ 11.036878] edp clock: 76000, i=0
不知道问题在哪，HDMI能亮，EDP就不行。然后运行kris@eco:~/rk3399/rockdev/rk3399_mid-eng$ adb shell
rk3399_mid:/ # cat /d/dri/0/summary
结果都是disable。
不知道问题在哪。能帮忙指点一下吗~
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