shangwoo 发表于 2021-2-24 14:52:11

hdmi输出闪频

linux版本下,mipi屏有显示,接上hdmi屏显示
# [ 5325.082972] dwhdmi-rockchip ff940000.hdmi: failed to
                                 get edid
sh: missing ]
# [ 5325.093823] dw-mipi-dsi ff960000.dsi: final DSI-Link
bandwidth: 432 x 4 Mbps
sh: missing ]
# [ 5325.691665] dwhdmi-rockchip ff940000.hdmi: failed to
get edid
sh: missing ]
# [ 5326.200903] dwhdmi-rockchip ff940000.hdmi: failed to
get edid
sh: missing ]
# [ 5326.705034] dwhdmi-rockchip ff940000.hdmi: failed to
get edid
sh: missing ]
# [ 5326.755580] rockchip-vop ff8f0000.vop: [drm:vop_crtc
_enable] Update mode to 1                              024x600p84, type: 16
sh: missing ]
# [ 5326.756595] dw-mipi-dsi ff960000.dsi: final DSI-Link
bandwidth: 432 x 4 Mbps
sh: missing ]
# [ 5326.940442] rockchip-vop ff900000.vop: [drm:vop_crtc
_enable] Update mode to 1                              280x720p60, type: 11
sh: missing ]
这个可能啥回事呢?


倔强的土坷垃 发表于 2021-2-25 08:38:52

这个是没有读到显示器的EDID,获取不到分辨率等信息。可以尝试更换能正常获取EDID的显示屏

shangwoo 发表于 2021-3-4 09:44:42

请问这个edid是普遍都应该有的吗?是否可以在驱动中把这个EDID校验去掉,这样是否也可以呢
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