drm/atomic-helper: Remove the backoff hack from set_config
Another one bites the dust.
Again let's not forget to remove the temporary hidden acquire_ctx
assignment, now that we pass this all around explicitly it can go
away again.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-20-daniel.vetter@ffwll.ch
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index c137e39..c4538c5 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2290,32 +2290,15 @@ int drm_atomic_helper_set_config(struct drm_mode_set *set,
return -ENOMEM;
state->legacy_set_config = true;
- state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc);
-retry:
+ state->acquire_ctx = ctx;
ret = __drm_atomic_helper_set_config(set, state);
if (ret != 0)
- goto fail;
+ return ret;
ret = drm_atomic_commit(state);
-fail:
- if (ret == -EDEADLK)
- goto backoff;
drm_atomic_state_put(state);
return ret;
-
-backoff:
- drm_atomic_state_clear(state);
- drm_atomic_legacy_backoff(state);
-
- /*
- * Someone might have exchanged the framebuffer while we dropped locks
- * in the backoff code. We need to fix up the fb refcount tracking the
- * core does for us.
- */
- crtc->primary->old_fb = crtc->primary->fb;
-
- goto retry;
}
EXPORT_SYMBOL(drm_atomic_helper_set_config);
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index b3f9f17..d69e180 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -581,7 +581,6 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
ret = drm_modeset_lock_all_ctx(crtc->dev, &ctx);
if (ret)
goto out;
- dev->mode_config.acquire_ctx = &ctx;
if (crtc_req->mode_valid) {
/* If we have a mode we need a framebuffer. */
/* If we pass -1, set the mode with the currently bound fb */