From a5b8444e289c9e759927f9bf2e82f10719729fe7 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Mon, 3 Apr 2017 10:32:53 +0200 Subject: [PATCH] drm/atomic-helper: remove modeset_lock_all from helper_resume Atomic code rely shouldn't rely on the magic hidden acquire context. v2: Remove unused config local var (gcc). Reviewed-by: Maarten Lankhorst Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-5-daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_atomic_helper.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 3160d0881348..0a3d91c51d61 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -2622,14 +2622,22 @@ EXPORT_SYMBOL(drm_atomic_helper_commit_duplicated_state); int drm_atomic_helper_resume(struct drm_device *dev, struct drm_atomic_state *state) { - struct drm_mode_config *config = &dev->mode_config; + struct drm_modeset_acquire_ctx ctx; int err; drm_mode_config_reset(dev); - drm_modeset_lock_all(dev); - err = drm_atomic_helper_commit_duplicated_state(state, config->acquire_ctx); - drm_modeset_unlock_all(dev); + drm_modeset_acquire_init(&ctx, 0); + while (1) { + err = drm_atomic_helper_commit_duplicated_state(state, &ctx); + if (err != -EDEADLK) + break; + + drm_modeset_backoff(&ctx); + } + + drm_modeset_drop_locks(&ctx); + drm_modeset_acquire_fini(&ctx); return err; } -- 2.20.1