diff options
| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2022-02-01 08:03:40 +0100 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-02-07 12:56:49 +0000 |
| commit | 3526b607b02397cdb6d459594e4f1d63133d6655 (patch) | |
| tree | ea5c202f9d54ee28c909d2d4a189151c69ca6b2f /drivers/gpu | |
| parent | ee59792c97176f12c1da31f29fc4c2aab187f06e (diff) | |
drm/i915/ttm: Return some errors instead of trying memcpy move
The i915_ttm_accel_move() function may return error codes that should
be propagated further up the stack rather than consumed assuming that
the accel move failed and could be replaced with a memcpy move.
For -EINTR, -ERESTARTSYS and -EAGAIN, just propagate those codes, rather
than retrying with a memcpy move.
Fixes: 2b0a750caf33 ("drm/i915/ttm: Failsafe migration blits")
Cc: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220201070340.16457-1-thomas.hellstrom@linux.intel.com
(cherry picked from commit 29b9702ffe70d83b9970abbccaeb287dfda4409f)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c index ee9612a3ee5e..e130c820ae4e 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c @@ -427,11 +427,17 @@ __i915_ttm_move(struct ttm_buffer_object *bo, if (!IS_ERR(fence)) goto out; - } else if (move_deps) { - int err = i915_deps_sync(move_deps, ctx); + } else { + int err = PTR_ERR(fence); + + if (err == -EINTR || err == -ERESTARTSYS || err == -EAGAIN) + return fence; - if (err) - return ERR_PTR(err); + if (move_deps) { + err = i915_deps_sync(move_deps, ctx); + if (err) + return ERR_PTR(err); + } } /* Error intercept failed or no accelerated migration to start with */ |