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Commit a9908315 authored by raghavendra ambadas's avatar raghavendra ambadas
Browse files

msm: mdss: fix TCXO issue on 8909MTP 



In MSM8909 video mode panel, mdss clocks were not turned off
which lead to TCXO test failures. Make sure that the
clock disable api is called for video mode panel so that
clocks are turned off during suspend.

Change-Id: I5c466090a798c63e7c14f88e10df21de5cb60fbf
Signed-off-by: default avatarRaghavendra Ambadas <rambad@codeaurora.org>
parent 4935f8b8

drivers/video/msm/mdss/mdp3.c

+4 −9
Original line number Diff line number Diff line
@@ -2217,10 +2217,8 @@ static int mdp3_is_display_on(struct mdss_panel_data *pdata) 


	mdp3_res->splash_mem_addr = MDP3_REG_READ(MDP3_REG_DMA_P_IBUF_ADDR);



	if (pdata->panel_info.type == MIPI_CMD_PANEL) {

	if (mdp3_clk_enable(0, 0))

		pr_err("fail to turn off MDP core clks\n");

	}

	return rc;

}
@@ -2782,11 +2780,8 @@ int mdp3_panel_get_intf_status(u32 disp_num, u32 intf_type) 
	/* DSI video mode or command mode */

	rc = (status == 0x180000) || (status == 0x080000);



	/* For Video mode panel do not disable clock */

	if (!(status == 0x180000)) {

	if (mdp3_clk_enable(0, 0))

		pr_err("fail to turn off MDP core clks\n");

	}

	return rc;

}

drivers/video/msm/mdss/mdp3_ctrl.c

+2 −2
Original line number Diff line number Diff line
@@ -1122,7 +1122,7 @@ int mdp3_ctrl_reset(struct msm_fb_data_type *mfd) 
	pr_debug("mdp3_ctrl_reset idle_pc %s FS_EN %s\n",

		mdp3_res->idle_pc ? "True":"False",

		mdp3_res->fs_ena ? "True":"False");

	if (mdp3_res->idle_pc || mdp3_res->fs_ena) {

	if (mdp3_res->idle_pc) {

		mdp3_clk_enable(1, 0);

		mdp3_dynamic_clock_gating_ctrl(0);

		mdp3_qos_remapper_setup(panel);
@@ -1131,7 +1131,7 @@ int mdp3_ctrl_reset(struct msm_fb_data_type *mfd) 
	rc = mdp3_iommu_enable(MDP3_CLIENT_DMA_P);

	if (rc) {

		pr_err("fail to attach dma iommu\n");

		if (mdp3_res->idle_pc || mdp3_res->fs_ena)

		if (mdp3_res->idle_pc)

			mdp3_clk_enable(0, 0);

		goto reset_error;

	}