[PATCH v2 0/2] Fixups for cancelled hibernate

["Mario Limonciello (AMD)" <superm1@kernel.org>]

Muhammad Usama Anjun's recent series for being able to cancel
the hibernate sequence [1] exposes a bug with amdgpu handling for
skipping the thaw step.

Because the thaw step is skipped in most cases, cancelling the
hibernate means that the device is left in an inconsistent
state.

Add support to the PM core to let a driver track it's frozen
state when an error code is returned during thaw(). This will
ensure that the poweroff() and restore() callbacks get run.

Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>

I suggest this patch series merge through linux-pm.

v2:
 * pick up tag
 * rebase on linux-pm/bleeding-edge
 * fix lkp robot issue

Mario Limonciello (AMD) (2):
  PM: Allow device drivers to manage the frozen state of a device
  drm/amd: Manage frozen state internally

 Documentation/driver-api/pm/devices.rst    |  8 ++++++++
 drivers/base/power/main.c                  |  7 +++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 10 ++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c    |  2 +-
 include/linux/pm.h                         |  3 +++
 5 files changed, 29 insertions(+), 1 deletion(-)

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2.43.0