github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-25 23:52:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

Merge branch 'pci/pm'

Browse Source 
- Allow PCI bridges to go to D3Hot on all non-x86 systems (Manivannan
  Sadhasivam)

* pci/pm:
  PCI: Allow PCI bridges to go to D3Hot on all non-x86
This commit is contained in:
Bjorn Helgaas 2025-03-27 13:14:44 -05:00
commit e91c25c6fc
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/pci/pci.c
View File

@ -3031,7 +3031,7 @@ static const struct dmi_system_id bridge_d3_blacklist[] = {
* @bridge: Bridge to check
*
* This function checks if it is possible to move the bridge to D3.
* Currently we only allow D3 for recent enough PCIe ports and Thunderbolt.
* Currently we only allow D3 for some PCIe ports and for Thunderbolt.
*/
bool pci_bridge_d3_possible(struct pci_dev *bridge)
{
@ -3075,10 +3075,10 @@ bool pci_bridge_d3_possible(struct pci_dev *bridge)
return false;
/*
* It should be safe to put PCIe ports from 2015 or newer
* to D3.
* Out of caution, we only allow PCIe ports from 2015 or newer
* into D3 on x86.
*/
if (dmi_get_bios_year() >= 2015)
if (!IS_ENABLED(CONFIG_X86) || dmi_get_bios_year() >= 2015)
return true;
break;
}