Enabling VRAM Self Refresh on Intel BMG GPU.
VRAM Self Refresh feature requires XeKMD
to request for D3Cold Aux Power Limit and PERST
Assertion Delay by calling _DSM 10 and _DSM 11 method.
Reference: PCI Firmware Specification
Section {4.6.10, 4.6.11}.
Anshuman Gupta (5):
PCI/ACPI: Implement PCI FW _DSM method
drm/xe/vrsr: Detect vrsr capability
drm/xe/vrsr: Refactor d3cold.allowed to a enum
drm/xe/pm: D3Cold target state
drm/xe/vrsr: Enable VRSR
Badal Nilawar (1):
drm/xe/vrsr: Apis to init and enable VRSR feature
drivers/gpu/drm/xe/display/xe_display.c | 22 +++
drivers/gpu/drm/xe/display/xe_display.h | 1 +
drivers/gpu/drm/xe/regs/xe_regs.h | 3 +
drivers/gpu/drm/xe/xe_device_types.h | 10 +-
drivers/gpu/drm/xe/xe_pci.c | 4 +-
drivers/gpu/drm/xe/xe_pcode_api.h | 8 +
drivers/gpu/drm/xe/xe_pm.c | 185 ++++++++++++++++++++++--
drivers/gpu/drm/xe/xe_pm.h | 9 ++
drivers/pci/pci-acpi.c | 123 ++++++++++++++++
include/linux/pci-acpi.h | 13 ++
10 files changed, 358 insertions(+), 20 deletions(-)
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2.34.1
