drm/i915/ttm: Abort suspend on i915_ttm_backup failure

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On system suspend when system memory is low then i915_gem_obj_copy_ttm()
could fail trying to backup a lmem obj. GEM_WARN_ON() is not enough,
suspend shouldn't continue if i915_ttm_backup() throws an error.

v2: Keep the fdo issue till we have a igt test(Matt).
v3: Use %pe(Andrzej)

References: https://gitlab.freedesktop.org/drm/intel/-/issues/6529
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Suggested-by: Chris P Wilson <chris.p.wilson@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220901172217.18392-1-nirmoy.das@intel.com

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Nirmoy Das 2022-09-01 19:22:17 +02:00 • committed by Matthew Auld

parent 018a7bdbb0

commit c2a6502f36

1 changed files with 6 additions and 1 deletions

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drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c

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