diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index 3efbba425ca6..2e296f79cba1 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -53,6 +53,8 @@ int dpu_rm_init(struct drm_device *dev, /* Clear, setup lists */ memset(rm, 0, sizeof(*rm)); + rm->has_legacy_ctls = (cat->mdss_ver->core_major_ver < 5); + /* Interrogate HW catalog and create tracking items for hw blocks */ for (i = 0; i < cat->mixer_count; i++) { struct dpu_hw_mixer *hw; @@ -434,20 +436,19 @@ static int _dpu_rm_reserve_ctls( int i = 0, j, num_ctls; bool needs_split_display; - /* - * For non-CWB mode, each hw_intf needs its own hw_ctl to program its - * control path. - * - * Hardcode num_ctls to 1 if CWB is enabled because in CWB, both the - * writeback and real-time encoders must be driven by the same control - * path - */ - if (top->cwb_enabled) - num_ctls = 1; - else + if (rm->has_legacy_ctls) { + /* + * TODO: check if there is a need for special handling if + * DPU < 5.0 get CWB support. + */ num_ctls = top->num_intf; - needs_split_display = _dpu_rm_needs_split_display(top); + needs_split_display = _dpu_rm_needs_split_display(top); + } else { + /* use single CTL */ + num_ctls = 1; + needs_split_display = false; + } for (j = 0; j < ARRAY_SIZE(rm->ctl_blks); j++) { const struct dpu_hw_ctl *ctl; |