diff options
| author | Nirmoy Das <nirmoy.das@intel.com> | 2022-09-01 19:22:17 +0200 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2022-09-05 10:22:42 +0100 |
| commit | c2a6502f36248e9e17806d1342e4617d895960b0 (patch) | |
| tree | dfce2f4183c1e9cb7ff18f1be7fe23499015e591 /drivers/gpu/drm/i915/gem | |
| parent | 018a7bdbb090b9155a6509a0d1a684db4afaa5b1 (diff) | |
| download | linux-c2a6502f36248e9e17806d1342e4617d895960b0.tar.bz2 | |
drm/i915/ttm: Abort suspend on i915_ttm_backup failure
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
Diffstat (limited to 'drivers/gpu/drm/i915/gem')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c index 9aad84059d56..07e49f22f2de 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c @@ -79,7 +79,12 @@ static int i915_ttm_backup(struct i915_gem_apply_to_region *apply, goto out_no_populate; err = i915_gem_obj_copy_ttm(backup, obj, pm_apply->allow_gpu, false); - GEM_WARN_ON(err); + if (err) { + drm_err(&i915->drm, + "Unable to copy from device to system memory, err:%pe\n", + ERR_PTR(err)); + goto out_no_populate; + } ttm_bo_wait_ctx(backup_bo, &ctx); obj->ttm.backup = backup; |