Am Donnerstag, den 09.02.2012, 09:02 +0200 schrieb Tomi Valkeinen: > On Thu, 2012-02-09 at 00:53 +0000, Russell King - ARM Linux wrote: > > > Moreover, only last Monday did I enable the OMAP2 DSS subsystem on the > > 4430 SDP platform, _including_ the HDMI code, and looking at the commit > > it could be one of those platforms which is affected. > > > > As I don't have a HDMI cable connected to the system, and I ran that > > kernel overnight, and I tried opening each /dev/fb* device, what I'm now > > wondering is: have I destroyed the HDMI PHY on my 4430SDP? > > Probably not. I don't know the exact details of the HW bug (I wrote the > patch as it took too long for the person responsible for it to come up > with a decent patch), but my understanding is that the cable needs to be > plugged in at some point, and then removed. > > Thinking about this now, I guess I should've sent queries to get a > proper description of the situation where the bug happens. > > > However, you raise another point, a much more serious one at that. Is > > this problem also present in 3.2? The patch seems to apply almost cleanly > > to that kernel version, so I guess it is. It fails to apply to v3.1 > > because of missing files, so I guess 3.1 is unaffected. > > > > So, why isn't this patch copied to the stable people? > > Good point, I'll take it to the stable people. > > The problem is present in all kernels where we have the HDMI driver, so > 2.6.39+. Are there already backported patches out there for 3.0/3.1? We are quite interested in this. Regards, Teresa > > > For hardware destruction issues, once the problem has been identified, it > > should be shouted about very loudly to get it upstream as quickly as > > possible. I'm sure Linus would've even taken it in patch form. > > > > (You do realise that Linus does apply patches as well as pulling trees?) > > Yes, I should've taken this directly to Linus. > > Tomi > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
