diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c index 6b605562e572..f93d5681267c 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c @@ -691,6 +691,7 @@ struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev, struct mdp5_ctl_manager *ctl_mgr; const struct mdp5_cfg_hw *hw_cfg = mdp5_cfg_get_hw_config(cfg_hnd); int rev = mdp5_cfg_get_hw_rev(cfg_hnd); + unsigned dsi_cnt = 0; const struct mdp5_ctl_block *ctl_cfg = &hw_cfg->ctl; unsigned long flags; int c, ret; @@ -740,7 +741,10 @@ struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev, * only write into CTL0's FLUSH register) to keep two DSI pipes in sync. * Single FLUSH is supported from hw rev v3.0. */ - if (rev >= 3) { + for (c = 0; c < ARRAY_SIZE(hw_cfg->intf.connect); c++) + if (hw_cfg->intf.connect[c] == INTF_DSI) + dsi_cnt++; + if ((rev >= 3) && (dsi_cnt > 1)) { ctl_mgr->single_flush_supported = true; /* Reserve CTL0/1 for INTF1/2 */ ctl_mgr->ctls[0].status |= CTL_STAT_BOOKED; |