diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c index 225c1c7768ff8bf1a60bb4af2beef26619fbefed..f972214232492d354c3a56cdfd1fcd7c527680a2 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c @@ -168,6 +168,15 @@ static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *intf, data_width = p->width; + /* + * If widebus is enabled, data is valid for only half the active window + * since the data rate is doubled in this mode. But for the compression + * mode in DP case, the p->width is already adjusted in + * drm_mode_to_intf_timing_params() + */ + if (p->wide_bus_en && !dp_intf) + data_width = p->width >> 1; + hsync_data_start_x = hsync_start_x; hsync_data_end_x = hsync_start_x + data_width - 1;