On 10/20/2016 03:58 AM, Pierre Moreau wrote: > Hello, > > On 07:37 pm - Oct 19 2016, poma wrote: >> On 19.10.2016 17:03, Karol Herbst wrote: >> >>> You don't get why I try to say. We have to actually find out when to >>> apply this workaround, not to create some silly whitelist/blacklist. >>> It's the last option, we never want to actually use. >>> >> >> Well if you do not say, who can understand!? :) >> Besides, you can mock with "silly" whitelist/blacklist", however there is >> nothing wrong with the method as such, it is used practically everywhere. >> >>> And even if we would have to create such lists, who tells us, that if >>> affects every GPU with your device id? Usually quirks are applied >>> depending on the sub-vendor-id and sub-device-id if actually required. >>> >>> In the end we need something like this: If byte X in table Y is set in >>> the vbios or if bits A-B in reg Z in the MMIO space are set to >>> whatever, we have to apply that workaround. >>> >>> In the end we should also wait until Ben replies, because he might >>> know the exact reasons why this workaround was actually needed. I'd like to see a mmiotrace of the NVIDIA binary driver on a system where this WAR breaks things. I applied it to all the GPUs that NVIDIA told me required it.
Ben. >>> >> >> If you eager to leave it broken even more than three months that have >> already been passed since the original commit ... >> >>> We might have a GPU with the same chipset like yours and we might be >>> able to verify the issue >>> >> >> Ah, I see. >> You do not have confidence in my test results, good to know. > > Testing on another GPU with the same chipset does not mean he does not trust > your results. For example, my laptop (which also has an NVAC) has been > triggering the no-signal message on external monitors way before Ben’s patch > landed, but only for some adapters. I haven’t tried Ben’s patch yet, nor > yours, > but I will certainly do it, and see what effect each of them has. > > Regards, > Pierre > >> >> Oh! Carol >> >> >> _______________________________________________ >> Nouveau mailing list >> Nouveau@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/nouveau >> >> >> _______________________________________________ >> Nouveau mailing list >> Nouveau@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/nouveau
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