diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-08-19 16:09:00 +0200 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2020-09-03 15:35:27 +0300 |
| commit | 1bf892a15c3e79b6f3b6ee8da7ac6d24de541771 (patch) | |
| tree | eb4b31202d3d5728fc7c1c3ce4038a5768b62a27 | |
| parent | 78b1561ab542d8a8616846e6e4af8d57aec8999c (diff) | |
drm/i915: Use ww pinning for intel_context_create_request()
We want to get rid of intel_context_pin(), convert
intel_context_create_request() first. :)
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200819140904.1708856-21-maarten.lankhorst@linux.intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_context.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index 671081b0e4d6..61b05cd4c47a 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -449,15 +449,25 @@ int intel_context_prepare_remote_request(struct intel_context *ce, struct i915_request *intel_context_create_request(struct intel_context *ce) { + struct i915_gem_ww_ctx ww; struct i915_request *rq; int err; - err = intel_context_pin(ce); - if (unlikely(err)) - return ERR_PTR(err); + i915_gem_ww_ctx_init(&ww, true); +retry: + err = intel_context_pin_ww(ce, &ww); + if (!err) { + rq = i915_request_create(ce); + intel_context_unpin(ce); + } else if (err == -EDEADLK) { + err = i915_gem_ww_ctx_backoff(&ww); + if (!err) + goto retry; + } else { + rq = ERR_PTR(err); + } - rq = i915_request_create(ce); - intel_context_unpin(ce); + i915_gem_ww_ctx_fini(&ww); if (IS_ERR(rq)) return rq; |