[PATCH 0/4] drm/i915/dpt: Try to make DPT shrinkable again

[Srinivas, Vidya]

Hello Ville, Thank you very much for the series. With this, we don’t see older suspend/resume issue with DPT enabled.
Tested-by: Vidya Srinivas <vidya.srinivas at intel.com>

> -----Original Message-----
> From: Ville Syrjala <ville.syrjala at linux.intel.com>
> Sent: 27 November 2024 11:41
> To: intel-gfx at lists.freedesktop.org
> Cc: Brian Geffon <bgeffon at google.com>; Srinivas, Vidya
> <vidya.srinivas at intel.com>
> Subject: [PATCH 0/4] drm/i915/dpt: Try to make DPT shrinkable again
> 
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Try to make DPT objects shrinakble once again. To overcome the earlier
> suspend/resume issues we'll just make sure all DPT VMAs are evicted during
> suspend, and thus resume won't care whether the DPT objects got kicked out
> or not.
> 
> The proper solution would perhaps be to do the DPT CPU mapping on demand
> in dpt insert_{page,range}() but that would require a bunch of extra thought
> (especially for DPTs allocated from stolen).
> 
> Cc: Brian Geffon <bgeffon at google.com>
> Cc: Vidya Srinivas <vidya.srinivas at intel.com>
> 
> Ville Syrjälä (4):
>   drm/i915: Don't reuse commit_work for the cleanup
>   drm/i915: Intruduce display.wq.cleanup
>   drm/i915/dpt: Evict all DPT VMAs on suspend
>   Revert "drm/i915/dpt: Make DPT object unshrinkable"
> 
>  drivers/gpu/drm/i915/display/intel_display.c  |  6 +++---
> .../gpu/drm/i915/display/intel_display_core.h |  3 +++
>  .../drm/i915/display/intel_display_driver.c   |  6 ++++++
>  .../drm/i915/display/intel_display_types.h    |  2 ++
>  drivers/gpu/drm/i915/display/intel_dpt.c      |  4 ++--
>  drivers/gpu/drm/i915/gem/i915_gem_object.h    |  4 +---
>  drivers/gpu/drm/i915/gt/intel_ggtt.c          | 19 ++++++++++++++-----
>  drivers/gpu/drm/i915/gt/intel_gtt.h           |  4 ++--
>  8 files changed, 33 insertions(+), 15 deletions(-)
> 
> --
> 2.45.2