[Nouveau] NVAC "No Signal"

[Karol Herbst]

well, I just don't want that this fix breaks the same thing for other
users, that's why I am asking.

2016-10-18 13:56 GMT+02:00 poma <pomidorabelisima at gmail.com>:
> On 18.10.2016 09:35, Karol Herbst wrote:
>> how sure are you, that this is needed for _every_ nvac?
>>
>
> Thank you for asking.
>
> If you consider, as relevant,
> referring to the original commit:
> "drm/nouveau/disp/g94: implement workaround for dvi issue on fx380"
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a4bd8a
> <quote>
> Fixes the second DVI output on Quadro FX380.
> Thanks to NVIDIA for providing the details on the full workaround.
>
> [...]
> +       switch (device->chipset) {
> +       case 0x94:
> +       case 0x96:
> +       case 0x98:
> +       case 0xaa:
> +       case 0xac:
> +               return true;
> [...]
> </quote>
>
> and to Quadro FX380 as defined:
>
> 1. https://nouveau.freedesktop.org/wiki/CodeNames/#NV50
>    NV96 (G96) ...
>
> 2. https://en.wikipedia.org/wiki/Nvidia_Quadro
>    G96 ... GeForce 9400 based
>
> 3. https://en.wikipedia.org/wiki/List_of_Nvidia_graphics_processing_units#Quadro_FX_.28x800.29_series
>    G96 ...
>
>
> The right question would be,
> for you Karol, Ben and perhaps the ones from the NVIDIA - those to which Ben refers,
>
> whether device->chipset:
> +       case 0x94:
> +       case 0x98:
> +       case 0xaa:
> +       case 0xac:
> are redundant, in the first place?
>
> Moreover, even if case 0x96 applies only,
> how sure are -you-, that this is needed for _every_ nv96?
>
> And given that I am here only the user, who is only caring for my hardware,
> I can only appreciate your sense of humor. ;)
>
>
>