Merge "msm: mdss: dsi: config max_pkt_size only when needed" (b7fc7852) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/video/msm/mdss/mdss_dsi.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1077,6 +1077,8 @@ panel_power_ctrl:
		&& (panel_info->new_fps != panel_info->mipi.frame_rate))
		panel_info->mipi.frame_rate = panel_info->new_fps;

		/* Initialize Max Packet size for DCS reads */
		ctrl_pdata->cur_max_pkt_size = 0;
		end:
		mutex_unlock(&ctrl_pdata->mutex);
		pr_debug("%s-:\n", __func__);

+1 −0

Original line number	Diff line number	Diff line
		@@ -471,6 +471,7 @@ struct mdss_dsi_ctrl_pdata {
		struct dsi_buf status_buf;
		int status_mode;
		int rx_len;
		int cur_max_pkt_size;

		struct dsi_pinctrl_res pin_res;

+10 −0

Original line number	Diff line number	Diff line
		@@ -1625,6 +1625,14 @@ do_send:
		while (!end) {
		pr_debug("%s: rlen=%d pkt_size=%d rx_byte=%d\n",
		__func__, rlen, pkt_size, rx_byte);
		/*
		* Skip max_pkt_size dcs cmd if
		* its already been configured
		* for the requested pkt_size
		*/
		if (pkt_size == ctrl->cur_max_pkt_size)
		goto skip_max_pkt_size;

		max_pktsize[0] = pkt_size;
		mdss_dsi_buf_init(tp);
		ret = mdss_dsi_cmd_dma_add(tp, &pkt_size_cmd);
		@@ -1651,9 +1659,11 @@ do_send:
		rp->read_cnt = 0;
		goto end;
		}
		ctrl->cur_max_pkt_size = pkt_size;
		pr_debug("%s: max_pkt_size=%d sent\n",
		__func__, pkt_size);

		skip_max_pkt_size:
		mdss_dsi_buf_init(tp);
		ret = mdss_dsi_cmd_dma_add(tp, cmds);
		if (!ret) {