If several interfaces are being handled through a single CTL, a main
('master') INTF needs to be programmed into a separate register. Write
corresponding value into that register.

Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 3 +++
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
index 
321a89e6400d2824ebda2c08be5e6943cb0f6b11..db36bfa98fc310c1bf35c4817d601ae6cf88d151
 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -582,6 +582,9 @@ static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
        DPU_REG_WRITE(c, CTL_WB_ACTIVE, wb_active);
        DPU_REG_WRITE(c, CTL_DSC_ACTIVE, dsc_active);
 
+       if (cfg->intf_master)
+               DPU_REG_WRITE(c, CTL_INTF_MASTER, BIT(cfg->intf_master - 
INTF_0));
+
        if (cfg->merge_3d)
                DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE, merge_3d_active);
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
index 
85c6c835cc8780e6cb66f3a262d9897c91962935..e95989a2fdda6344d0cb9d3036e6ed22a0458675
 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
@@ -36,6 +36,7 @@ struct dpu_hw_stage_cfg {
 /**
  * struct dpu_hw_intf_cfg :Describes how the DPU writes data to output 
interface
  * @intf :                 Interface id
+ * @intf_master:           Master interface id in the dual pipe topology
  * @mode_3d:               3d mux configuration
  * @merge_3d:              3d merge block used
  * @intf_mode_sel:         Interface mode, cmd / vid
@@ -45,6 +46,7 @@ struct dpu_hw_stage_cfg {
  */
 struct dpu_hw_intf_cfg {
        enum dpu_intf intf;
+       enum dpu_intf intf_master;
        enum dpu_wb wb;
        enum dpu_3d_blend_mode mode_3d;
        enum dpu_merge_3d merge_3d;

-- 
2.39.5

Reply via email to