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<maz>
mmind00: who can I ping about getting the kevin display to work with mainline? I've been cherry-picking random patches from the list, and it still doesn't work for me...
<maz>
mmind00: any pointer very much appreciated.
<mmind00>
maz: yeah ... it's similar for me in that I get mixed messages ... reports from people getting it to work but not seeing anything myself
<mmind00>
maz: the last sucess message came from eballetbo though
<maz>
mmind00: yup, and I took his word for it. still a blank screen (with backlight though).
<eballetbo>
maz: display should work with current mainline 4.15-rc2
<maz>
eballetbo: as of yesterday, it doesn't for me.
<eballetbo>
the only what is missing are the dts bits
<maz>
eballetbo: I got that in my tree, enabled all the required IOMMU and eDP stuff I could possibly find, and still a blank screen.
<maz>
very annoying, as I can ssh infor the machine and use it as a blind box... ;-)
<maz>
into*
<maz>
eballetbo: would you mind sharing a config file so that I can compare what is going wrong with my setup?
<eballetbo>
maz: that's my config fragment that I apply against arm64 defconfig
<maz>
eballetbo: thanks. I'll give it a go later today and let you know.
<eballetbo>
maz: I think there is a issue about some drivers compiled as modules instead of built-in that need to be solved, did have time to test. But make sure the drm bits are built-in
<eballetbo>
*didn't*
<maz>
eballetbo: I tend not to have too many modules, they don't get a chance to load when my kernel crashes... ;-)
<eballetbo>
Is
<eballetbo>
CONFIG_BACKLIGHT_PWM=y
<eballetbo>
CONFIG_PWM_CROS_EC=y
<eballetbo>
set in your config?
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<maz>
eballetbo: CONFIG_PWM_CROS_EC is a module here, but I definitely see the backlight coming on. it is really an issue with driving the panel.
<eballetbo>
guess I had some problems with PWM cros-ec being a module so just try to built-in
<maz>
ok. I'll give it a go with your config as a starting point, and if that works I can start pinpointing what's wrong with mine...
<susedv>
Is anybody here who understands the values in kernel/drivers/clk/rockchip/clk-pll.c? Don't know how to fix wrong pixel clock "rk3288-lcdc lcdc0: lcdc0: dclk:118800000>>fps:66" in dmesg (should be 108000000 for 1280x1024@60)
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<maz>
eballetbo: seems to be sdcard related. my 128G card doesn't work, while a 2G card does. obviously a regression somewhere (and something to do with your config vs mine).
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<eballetbo>
maz: CONFIG_ROCKCHIP_IODOMAIN built-in vs module seems to fix the issue
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<maz>
eballetbo: ah! I'll give it a shot.
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<mmind00>
eballetbo: woohoo ... edp output
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<mmind00>
eballetbo: are you looking into why it needs to be built-in right now, per chance? :-)
<eballetbo>
mmind00: nope, added to my todo but currently looking at usb3
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<maz>
eballetbo: confirmed, works!
<maz>
eballetbo: KVM up and running, I now relax... ;-)
<maz>
mmind00: I'll have a chat with the usual suspects to see if I can sneak in whatever needs to be built-in for kevin...
<mmind00>
maz: as hdmi on my firefly-rk3399 works nicely with the things built as modules, it might be nicer to actually find out what fails :-)
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<maz>
mmind00: I didn't mean "as an alternative to being built as modules", but as "I need this in defconfig for kevin to work".
<maz>
mmind00: the rule of thumb is that we enable our test platforms in defconfig and run that on the whole zoo...
<maz>
mmind00: and since kevin is likely to become my daily driver for the foreseeable future, I'd like to have it working out of the box.
* vagrantc
wonders what the status of cpufreq on the firefly-rk3399 is
<vagrantc>
last i saw the quad-core was working, but the a72 chips weren't