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| author | Imre Deak <imre.deak@intel.com> | 2021-11-01 20:35:51 +0200 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2021-11-03 11:07:24 +0200 |
| commit | 9755f055f5121c40c481c1d5dd02a1c3fb0e7953 (patch) | |
| tree | 4d49ce6f9f06312b4927e9da00ed9d3fe196d0e9 /tools/perf/scripts/python/libxed.py | |
| parent | drm/i915: Factor out i915_ggtt_suspend_vm/i915_ggtt_resume_vm() (diff) | |
| download | linux-9755f055f5121c40c481c1d5dd02a1c3fb0e7953.tar.gz linux-9755f055f5121c40c481c1d5dd02a1c3fb0e7953.zip | |
drm/i915: Restore memory mapping for DPT FBs across system suspend/resume
At least during hibernation the DPT mappings are lost with all stolen
memory content, so suspend/resume these mappings similarly to GGTT
mappings.
This fixes a problem where the restoring modeset during system resume fails
with pipe faults if a tiled framebuffer was active before suspend.
v2: Clarify the way restore works in intel_dpt_resume()'s Docbook entry.
(Chris)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Vunny Sodhi <vunny.sodhi@intel.com>
Reported-and-tested-by: Vunny Sodhi <vunny.sodhi@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211101183551.3580546-2-imre.deak@intel.com
Diffstat (limited to 'tools/perf/scripts/python/libxed.py')
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