[Intel-gfx] [PATCH RFC 0/4] drm/core: restore suspend/resume calbacks in KMS drm drivers

[Andrzej Hajda]

The main intent of this patchset is to allow use of suspend/resume drm driver
callbacks in KMS drivers, as these callbacks seems to me the best place
to implement suspend/resume functionality in drm driver.
Implementing this functionality in master component driver PM ops is problematic
as those callbacks can be called asynchronously regardless of state/existence of
drm device, thus it would require additional synchronization mechanism.

Callbacks re-enabling requires small changes in i915 and exynos driver.
The patchset contains also fix of exynos resume callback.

Regards
Andrzej


Andrzej Hajda (4):
  drm/i915: set PM callbacks only if modeset is turned off
  drm/core: re-enable suspend/resume callbacks for KMS drivers
  drm/exynos: remove master component PM callbacks
  drm/exynos: correct connector->dpms field before resuming

 drivers/gpu/drm/drm_sysfs.c             |  2 --
 drivers/gpu/drm/exynos/exynos_drm_drv.c | 37 ++++++---------------------------
 drivers/gpu/drm/i915/i915_drv.c         |  6 ++----
 3 files changed, 8 insertions(+), 37 deletions(-)

-- 
1.9.1