Do not assume DSC number as 2. Because there are 4 DSC in quad pipe case. Signed-off-by: Jun Nie <jun.nie@xxxxxxxxxx> --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 6bdd9c21ff3ed..05b203be2a9bc 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -553,9 +553,9 @@ bool dpu_encoder_use_dsc_merge(struct drm_encoder *drm_enc) if (dpu_enc->phys_encs[i]) intf_count++; - /* See dpu_encoder_get_topology, we only support 2:2:1 topology */ + /* DSC and mixer are mapped 1:1, so reuse the mixer number */ if (dpu_enc->dsc) - num_dsc = 2; + num_dsc = dpu_crtc_get_lm_num(drm_enc->crtc->state); return (num_dsc > 0) && (num_dsc > intf_count); } -- 2.34.1
