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msg00599
2016 Aug 25
1
[PATCH] drm/nouveau/acpi: use DSM if bridge does not support D3cold
...ck to
the Optimus DSM for device poweroff.
Initially I wanted to call pci_d3cold_enable before checking bridge_d3
(in case the user changed d3cold_allowed), but that is such an unlikely
case and likely fragile anyway. The current patch is suggested by Mika
in http://www.spinics.net/lists/linux-pci/msg52599.html
Cc: Mika Westerberg <mika.westerberg at linux.intel.com>
Signed-off-by: Peter Wu <peter at lekensteyn.nl>
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Hi,
This idea is floating since July, but was blocked by the PCI D3cold patches.
Since these got into -rc1, here is the promised follow-up patch for v4.8.
Without this p...