Quoting Fernando Pacheco (2019-04-19 18:14:21)
>
> On 4/19/19 12:14 AM, Chris Wilson wrote:
> > Quoting Fernando Pacheco (2019-04-19 00:31:48)
> >> - /* Trim the GGTT to fit the GuC mappable upper range (when
> >> enabled).
> >> -* This is easier than doing range restriction on the
On 4/19/19 12:14 AM, Chris Wilson wrote:
> Quoting Fernando Pacheco (2019-04-19 00:31:48)
>> GuC and HuC depend on struct_mutex for device
>> reinitialization. Moving away from this dependency
>> requires perma-pinning the firmware images in GGTT.
>> The upper portion of the GuC address space has
Quoting Fernando Pacheco (2019-04-19 00:31:48)
> GuC and HuC depend on struct_mutex for device
> reinitialization. Moving away from this dependency
> requires perma-pinning the firmware images in GGTT.
> The upper portion of the GuC address space has
> a sizeable hole (several MB) that is inaccessi
GuC and HuC depend on struct_mutex for device
reinitialization. Moving away from this dependency
requires perma-pinning the firmware images in GGTT.
The upper portion of the GuC address space has
a sizeable hole (several MB) that is inaccessible
by GuC. Reserve this range within GGTT as it can
comf