diff options
| author | Thierry Reding <treding@nvidia.com> | 2015-12-02 19:50:03 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-12-03 01:10:59 +0300 |
| commit | 06eaae46381737a6236ad6fe81e5358fad3bbbe5 (patch) | |
| tree | c5c69b47219e50729a136f0466dec7966f2c8756 /drivers/gpu/drm/drm_atomic.c | |
| parent | 737292a3c0f251a93dcce4bedf7e4accb35335bc (diff) | |
| download | linux-06eaae46381737a6236ad6fe81e5358fad3bbbe5.tar.xz | |
drm: Implement drm_modeset_lock_all_ctx()
This function is like drm_modeset_lock_all(), but it takes the lock
acquisition context as a parameter rather than storing it in the DRM
device's mode_config structure.
Implement drm_modeset_{,un}lock_all() in terms of the new function for
better code reuse, and add a note to the kerneldoc that new code should
use the new functions.
v2: improve kerneldoc
v4: rename drm_modeset_lock_all_crtcs() to drm_modeset_lock_all_ctx()
and take mode_config's .connection_mutex instead of .mutex lock to
avoid lock inversion (Daniel Vetter), use drm_modeset_drop_locks()
which is now the equivalent of drm_modeset_unlock_all_ctx()
v5: do not take the dev->mode_config.connection_mutex in
drm_atomic_legacy_backoff() since drm_modeset_lock_all_ctx()
already keeps it, enhance kerneldoc for drm_modeset_lock_all_ctx()
(Daniel Vetter)
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449075005-13937-1-git-send-email-thierry.reding@gmail.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_atomic.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 55b4debad79b..ef5f7663a718 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1188,12 +1188,7 @@ void drm_atomic_legacy_backoff(struct drm_atomic_state *state) retry: drm_modeset_backoff(state->acquire_ctx); - ret = drm_modeset_lock(&state->dev->mode_config.connection_mutex, - state->acquire_ctx); - if (ret) - goto retry; - ret = drm_modeset_lock_all_crtcs(state->dev, - state->acquire_ctx); + ret = drm_modeset_lock_all_ctx(state->dev, state->acquire_ctx); if (ret) goto retry; } |