From 65a7fa4b0bbc8aa424fe4cd3df44585ed4070662 Mon Sep 17 00:00:00 2001 From: Veera Sundaram Sankaran Date: Wed, 16 Nov 2016 16:46:39 -0800 Subject: msm: mdss: add missing sync fence install for CWB cases Add the missing sync fence install call after creating the fences, during Concurrent Writeback(CWB) cases. Change-Id: Id995088bfc53995c5d9453e7cee30ff549e8d39f Signed-off-by: Veera Sundaram Sankaran --- drivers/video/fbdev/msm/mdss_mdp_layer.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/video/fbdev/msm/mdss_mdp_layer.c b/drivers/video/fbdev/msm/mdss_mdp_layer.c index 20fcc26bb4bf..01fa57eb02ba 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_layer.c +++ b/drivers/video/fbdev/msm/mdss_mdp_layer.c @@ -2656,13 +2656,22 @@ int mdss_mdp_layer_pre_commit(struct msm_fb_data_type *mfd, if (mdp5_data->cwb.valid) { struct sync_fence *retire_fence = NULL; + if (!commit->output_layer) { + pr_err("cwb request without setting output layer\n"); + goto map_err; + } + retire_fence = __create_fence(mfd, &mdp5_data->cwb.cwb_sync_pt_data, MDSS_MDP_CWB_RETIRE_FENCE, &commit->output_layer->buffer.fence, 0); if (IS_ERR_OR_NULL(retire_fence)) { pr_err("failed to handle cwb fence"); + goto map_err; } + + sync_fence_install(retire_fence, + commit->output_layer->buffer.fence); } map_err: -- cgit v1.2.3