Hi Wolfram, On Friday 23 October 2015 14:14:39 Wolfram Sang wrote: > > > :/ Let me know if I can send you debug output. > > > > What's the exact issue ? > > Best report ever: I simply don't get a picture :) No warnings, no > messages. I think we want to make sure my HDMI->DVI converter is proper, > though. Does it work with other HDMI sources ? > > > > .config attached. > > > > > > That one also probes for me... I only disabled DHCP and added my > > > initramfs. I patched the fbdev build error out and changed Lager dts to > > > use i2c-rcar (instead of i2c-sh_mobile). > > I made the ADV7180 and AK4642 built-in and this kernel still probes > rcar-du on my Lager and Magnus' Koelsch... It's CONFIG_DRM_I2C_ADV7511 that you need for HDMI output. I have ADV7180 and AK4642 built as modules in my kernel. > > <idle>-0 [000] d.h1 1.498063: rcar_i2c_irq: msr 09090909 > > <idle>-0 [000] d.h1 1.498075: rcar_i2c_irq: msr 08080808 > > <idle>-0 [000] d.h1 1.498266: rcar_i2c_irq: msr 07070707 > > <idle>-0 [000] d.h1 1.498348: rcar_i2c_irq: msr 06060606 > > <idle>-0 [000] d.h1 1.498465: rcar_i2c_irq: msr 49494949 > > So, here is the NACK bit set. Which does not happen on my Lager and > Magnus' Koelsch. I am starting to wonder if you have a board with HW > issues? It works fine when reverting this patch :-/ > Could it be another I2C device interfering? I wouldn't rule anything out, but I don't see why reverting this patch would help then. > Do you happen to know if you have an earlier revision of Koelsch? RTPORC7791SEB00010S KOELSCH SN.057 I'm not sure if that tells anything about the board revision. -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
