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Commit c2212182 authored by Terence Hampson's avatar Terence Hampson
Browse files

msm: mdss: fix flicker during DSI mode switch 



Resolve regression change I65ca10c2adad21637f8414784986aa15026fd774.
DSI mode switch should not be calling mdss_dsi_ctrl_setup prior to
issuing panel switch commands.

Change-Id: I95eb9768d8bf64251466baaa371d6c12bb699410
Signed-off-by: default avatarTerence Hampson <thampson@codeaurora.org>
parent 90c540cd

drivers/video/msm/mdss/mdss_dsi.c

+4 −1
Original line number Diff line number Diff line
@@ -1088,6 +1088,7 @@ int mdss_dsi_switch_mode(struct mdss_panel_data *pdata, int mode) 
{

	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;

	struct mipi_panel_info *pinfo;

	bool dsi_ctrl_setup_needed = false;



	if (!pdata) {

		pr_err("%s: Invalid input data\n", __func__);
@@ -1110,6 +1111,7 @@ int mdss_dsi_switch_mode(struct mdss_panel_data *pdata, int mode) 
	} else if (mode == MIPI_CMD_PANEL) {

		mode = SWITCH_TO_CMD_MODE;

	} else if (mode == SWITCH_RESOLUTION) {

		dsi_ctrl_setup_needed = true;

		pr_debug("Resolution switch mode selected\n");

	} else {

		pr_err("Invalid mode selected, mode=%d\n", mode);
@@ -1118,6 +1120,7 @@ int mdss_dsi_switch_mode(struct mdss_panel_data *pdata, int mode) 


	mdss_dsi_clk_ctrl(ctrl_pdata, ctrl_pdata->dsi_clk_handle,

			  MDSS_DSI_ALL_CLKS, MDSS_DSI_CLK_ON);

	if (dsi_ctrl_setup_needed)

		mdss_dsi_ctrl_setup(ctrl_pdata);

	ctrl_pdata->switch_mode(pdata, mode);

	mdss_dsi_clk_ctrl(ctrl_pdata, ctrl_pdata->dsi_clk_handle,