Merge "drm/msm/dsi-staging: trigger dma command during video active region"

#define DSI_CTRL_TX_TO_MS     200

#define TO_ON_OFF(x) ((x) ? "ON" : "OFF")

#define CEIL(x, y)              (((x) + ((y)-1)) / (y))

/**

 * enum dsi_ctrl_driver_ops - controller driver ops

 */

	return rc;

}

static void dsi_ctrl_wait_for_video_done(struct dsi_ctrl *dsi_ctrl)

{

	u32 v_total = 0, v_blank = 0, sleep_ms = 0, fps = 0, ret;

	struct dsi_mode_info *timing;

	if (dsi_ctrl->host_config.panel_mode != DSI_OP_VIDEO_MODE)

		return;

	dsi_ctrl->hw.ops.clear_interrupt_status(&dsi_ctrl->hw,

				DSI_VIDEO_MODE_FRAME_DONE);

	dsi_ctrl_enable_status_interrupt(dsi_ctrl,

				DSI_SINT_VIDEO_MODE_FRAME_DONE, NULL);

	reinit_completion(&dsi_ctrl->irq_info.vid_frame_done);

	ret = wait_for_completion_timeout(

			&dsi_ctrl->irq_info.vid_frame_done,

			msecs_to_jiffies(DSI_CTRL_TX_TO_MS));

	if (ret <= 0)

		pr_debug("wait for video done failed\n");

	dsi_ctrl_disable_status_interrupt(dsi_ctrl,

				DSI_SINT_VIDEO_MODE_FRAME_DONE);

	timing = &(dsi_ctrl->host_config.video_timing);

	v_total = timing->v_sync_width + timing->v_back_porch +

			timing->v_front_porch + timing->v_active;

	v_blank = timing->v_sync_width + timing->v_back_porch;

	fps = timing->refresh_rate;

	sleep_ms = CEIL((v_blank * 1000), (v_total * fps)) + 1;

	udelay(sleep_ms * 1000);

}

static int dsi_message_tx(struct dsi_ctrl *dsi_ctrl,

			  const struct mipi_dsi_msg *msg,

			  u32 flags)

	}

	if (!(flags & DSI_CTRL_CMD_DEFER_TRIGGER)) {

		dsi_ctrl_wait_for_video_done(dsi_ctrl);

		dsi_ctrl_enable_status_interrupt(dsi_ctrl,

					DSI_SINT_CMD_MODE_DMA_DONE, NULL);

		reinit_completion(&dsi_ctrl->irq_info.cmd_dma_done);