The first part of the patchset (1-6) fixes an S4 bug on VLV introduced
recently. The rest unifies the various S3/S4 handlers, which are in
practice the same. The only real difference - besides some unused code -
is that during S3 suspend we disable the PCI device whereas across an S4
freeze/thaw we keep it enabled. Given that we disable everything else
anyway, we can just as well disable the PCI device there too. Doing so
allows us to handle S3 suspend/resume and S4 freeze/thaw/restore/
power-off the same way, simplifying/clarifying things quite a bit.
I smoke tested this on BDW, HSW, VLV (BYT-M), IVB, GEN45.
Imre Deak (16):
drm/i915: vlv: fix gunit HW state corruption during S4 suspend
drm/i915: remove dead code from legacy suspend handler
drm/i915: factor out i915_drm_suspend_late
drm/i915: unify legacy S3 suspend and S4 freeze handlers
drm/i915: propagate error from legacy resume handler
drm/i915: vlv: fix switcheroo/legacy suspend/resume
drm/i915: fix S4 suspend while switcheroo state is off
drm/i915: remove unused restore_gtt_mappings optimization during
suspend
drm/i915: check for GT faults during S3 resume and S4 restore too
drm/i915: enable output polling during S4 thaw
drm/i915: disable/re-enable PCI device around S4 freeze/thaw
drm/i915: unify S3 and S4 suspend/resume handlers
drm/i915: sanitize suspend/resume helper function names
drm/i915: add poweroff_late handler
drm/i915: unify switcheroo and legacy suspend/resume handlers
drm/i915: add comments on what stage a given PM handler is called
drivers/gpu/drm/i915/i915_dma.c | 4 +-
drivers/gpu/drm/i915/i915_drv.c | 185 +++++++++++++++-------------------------
drivers/gpu/drm/i915/i915_drv.h | 4 +-
3 files changed, 74 insertions(+), 119 deletions(-)
--
1.8.4
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