diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/anx7625.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/anx7625.h | 2 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index ef31033439bc..29d91493b101 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -1762,6 +1762,7 @@ static ssize_t anx7625_aux_transfer(struct drm_dp_aux *aux, u8 request = msg->request & ~DP_AUX_I2C_MOT; int ret = 0; + mutex_lock(&ctx->aux_lock); pm_runtime_get_sync(dev); msg->reply = 0; switch (request) { @@ -1778,6 +1779,7 @@ static ssize_t anx7625_aux_transfer(struct drm_dp_aux *aux, msg->size, msg->buffer); pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); + mutex_unlock(&ctx->aux_lock); return ret; } @@ -2474,7 +2476,9 @@ static void anx7625_bridge_atomic_disable(struct drm_bridge *bridge, ctx->connector = NULL; anx7625_dp_stop(ctx); - pm_runtime_put_sync(dev); + mutex_lock(&ctx->aux_lock); + pm_runtime_put_sync_suspend(dev); + mutex_unlock(&ctx->aux_lock); } static enum drm_connector_status @@ -2668,6 +2672,7 @@ static int anx7625_i2c_probe(struct i2c_client *client) mutex_init(&platform->lock); mutex_init(&platform->hdcp_wq_lock); + mutex_init(&platform->aux_lock); INIT_DELAYED_WORK(&platform->hdcp_work, hdcp_check_work_func); platform->hdcp_workqueue = create_workqueue("hdcp workqueue"); diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.h b/drivers/gpu/drm/bridge/analogix/anx7625.h index 66ebee7f3d83..39ed35d33836 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.h +++ b/drivers/gpu/drm/bridge/analogix/anx7625.h @@ -475,6 +475,8 @@ struct anx7625_data { struct workqueue_struct *hdcp_workqueue; /* Lock for hdcp work queue */ struct mutex hdcp_wq_lock; + /* Lock for aux transfer and disable */ + struct mutex aux_lock; char edid_block; struct display_timing dt; u8 display_timing_valid; |