[0/7] DG2 VRAM_SR Support

Message

Gupta, Anshuman May 18, 2022, 1:07 p.m. UTC

This series add DG2 D3Cold VRAM_SR support.

TODO: GuC Interface state save/restore on VRAM_SR entry/exit.

Anshuman Gupta (7):
  drm/i915/dgfx: OpRegion VRAM Self Refresh Support
  drm/i915/dg1: OpRegion PCON DG1 MBD config support
  drm/i915/dg2: DG2 MBD config
  drm/i915/dgfx: Add has_lmem_sr
  drm/i915/pcode: DGFX PCODE MBOX headers
  drm/i915/dgfx: Setup VRAM SR with D3COLD
  drm/i915/rpm: Enable D3Cold VRAM SR Support

 drivers/gpu/drm/i915/display/intel_opregion.c | 85 ++++++++++++++++++-
 drivers/gpu/drm/i915/display/intel_opregion.h | 17 ++++
 drivers/gpu/drm/i915/i915_driver.c            | 28 ++++++
 drivers/gpu/drm/i915/i915_drv.h               | 17 ++++
 drivers/gpu/drm/i915/i915_pci.c               |  2 +
 drivers/gpu/drm/i915/i915_reg.h               |  7 ++
 drivers/gpu/drm/i915/intel_device_info.h      |  1 +
 drivers/gpu/drm/i915/intel_pcode.c            | 25 ++++++
 drivers/gpu/drm/i915/intel_pcode.h            |  1 +
 drivers/gpu/drm/i915/intel_pm.c               | 43 ++++++++++
 drivers/gpu/drm/i915/intel_pm.h               |  2 +
 drivers/gpu/drm/i915/intel_runtime_pm.c       |  3 +-
 12 files changed, 228 insertions(+), 3 deletions(-)