evie/android_kernel_oneplus_msm8998
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msm: mdss: fix flicker during DSI mode switch

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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: Terence Hampson <thampson@codeaurora.org>
This commit is contained in:
Terence Hampson 2015-09-11 16:34:51 -04:00 • committed by David Keitel
parent dacb6ec79e
commit c0ae920e8b
1 changed files with 4 additions and 1 deletions
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3
drivers/video/fbdev/msm/mdss_dsi.c
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@ -1086,6 +1086,7 @@ int mdss_dsi_switch_mode(struct mdss_panel_data *pdata, int mode)
{ {
struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL; struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
struct mipi_panel_info *pinfo; struct mipi_panel_info *pinfo;
bool dsi_ctrl_setup_needed = false;
if (!pdata) { if (!pdata) {
pr_err("%s: Invalid input data\n", __func__); pr_err("%s: Invalid input data\n", __func__);
@ -1108,6 +1109,7 @@ int mdss_dsi_switch_mode(struct mdss_panel_data *pdata, int mode)
} else if (mode == MIPI_CMD_PANEL) { } else if (mode == MIPI_CMD_PANEL) {
mode = SWITCH_TO_CMD_MODE; mode = SWITCH_TO_CMD_MODE;
} else if (mode == SWITCH_RESOLUTION) { } else if (mode == SWITCH_RESOLUTION) {
dsi_ctrl_setup_needed = true;
pr_debug("Resolution switch mode selected\n"); pr_debug("Resolution switch mode selected\n");
} else { } else {
pr_err("Invalid mode selected, mode=%d\n", mode); pr_err("Invalid mode selected, mode=%d\n", mode);
@ -1116,6 +1118,7 @@ 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_clk_ctrl(ctrl_pdata, ctrl_pdata->dsi_clk_handle,
MDSS_DSI_ALL_CLKS, MDSS_DSI_CLK_ON); MDSS_DSI_ALL_CLKS, MDSS_DSI_CLK_ON);
if (dsi_ctrl_setup_needed)
mdss_dsi_ctrl_setup(ctrl_pdata); mdss_dsi_ctrl_setup(ctrl_pdata);
ctrl_pdata->switch_mode(pdata, mode); ctrl_pdata->switch_mode(pdata, mode);
mdss_dsi_clk_ctrl(ctrl_pdata, ctrl_pdata->dsi_clk_handle, mdss_dsi_clk_ctrl(ctrl_pdata, ctrl_pdata->dsi_clk_handle,