diff options
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 21 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 2 |
3 files changed, 21 insertions, 3 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index f96e142c4361..8a6e0718bc17 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -58,7 +58,7 @@ #define IDLE_SHORT_TIMEOUT 1 -#define MAX_VDISPLAY_SPLIT 1080 +#define MAX_HDISPLAY_SPLIT 1080 /* timeout in frames waiting for frame done */ #define DPU_ENCODER_FRAME_DONE_TIMEOUT_FRAMES 5 @@ -534,8 +534,23 @@ static struct msm_display_topology dpu_encoder_get_topology( if (dpu_enc->phys_encs[i]) intf_count++; - /* User split topology for width > 1080 */ - topology.num_lm = (mode->vdisplay > MAX_VDISPLAY_SPLIT) ? 2 : 1; + /* Datapath topology selection + * + * Dual display + * 2 LM, 2 INTF ( Split display using 2 interfaces) + * + * Single display + * 1 LM, 1 INTF + * 2 LM, 1 INTF (stream merge to support high resolution interfaces) + * + */ + if (intf_count == 2) + topology.num_lm = 2; + else if (!dpu_kms->catalog->caps->has_3d_merge) + topology.num_lm = 1; + else + topology.num_lm = (mode->hdisplay > MAX_HDISPLAY_SPLIT) ? 2 : 1; + topology.num_enc = 0; topology.num_intf = intf_count; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c index e4880a1c0b07..69de2c3e9650 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c @@ -67,6 +67,7 @@ static const struct dpu_caps sdm845_dpu_caps = { .has_src_split = true, .has_dim_layer = true, .has_idle_pc = true, + .has_3d_merge = true, }; static const struct dpu_caps sc7180_dpu_caps = { diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h index e052360689a5..8ff532a6f0cc 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h @@ -287,6 +287,7 @@ struct dpu_qos_lut_tbl { * @has_src_split source split feature status * @has_dim_layer dim layer feature status * @has_idle_pc indicate if idle power collapse feature is supported + * @has_3d_merge indicate if 3D merge is supported */ struct dpu_caps { u32 max_mixer_width; @@ -297,6 +298,7 @@ struct dpu_caps { bool has_src_split; bool has_dim_layer; bool has_idle_pc; + bool has_3d_merge; }; /** |