From c2658b70f06108361aa5024798f9c1bf47c73374 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Tue, 8 Nov 2011 20:35:45 -0800 Subject: [PATCH] fbdev: sh_mipi_dsi: fixup setup timing of sh_mipi_setup() sh_mipi_setup() should be called after setting of CPG Signed-off-by: Kuninori Morimoto Acked-by: Magnus Damm Signed-off-by: Florian Tobias Schandinat --- drivers/video/sh_mipi_dsi.c | 79 +++++++++++++++++++++---------------- 1 file changed, 44 insertions(+), 35 deletions(-) diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c index 7e4650530c9..f2c3f945f77 100644 --- a/drivers/video/sh_mipi_dsi.c +++ b/drivers/video/sh_mipi_dsi.c @@ -125,28 +125,6 @@ static void sh_mipi_shutdown(struct platform_device *pdev) sh_mipi_dsi_enable(mipi, false); } -static void mipi_display_on(void *arg, struct fb_info *info) -{ - struct sh_mipi *mipi = arg; - - pm_runtime_get_sync(&mipi->pdev->dev); - sh_mipi_dsi_enable(mipi, true); - - if (mipi->next_display_on) - mipi->next_display_on(mipi->next_board_data, info); -} - -static void mipi_display_off(void *arg) -{ - struct sh_mipi *mipi = arg; - - if (mipi->next_display_off) - mipi->next_display_off(mipi->next_board_data); - - sh_mipi_dsi_enable(mipi, false); - pm_runtime_put(&mipi->pdev->dev); -} - static int __init sh_mipi_setup(struct sh_mipi *mipi, struct sh_mipi_dsi_info *pdata) { @@ -414,6 +392,50 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, return 0; } +static void mipi_display_on(void *arg, struct fb_info *info) +{ + struct sh_mipi *mipi = arg; + struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data; + int ret; + + pm_runtime_get_sync(&mipi->pdev->dev); + + ret = pdata->set_dot_clock(mipi->pdev, mipi->base, 1); + if (ret < 0) + goto mipi_display_on_fail1; + + ret = sh_mipi_setup(mipi, pdata); + if (ret < 0) + goto mipi_display_on_fail2; + + sh_mipi_dsi_enable(mipi, true); + + if (mipi->next_display_on) + mipi->next_display_on(mipi->next_board_data, info); + + return; + +mipi_display_on_fail1: + pm_runtime_put_sync(&mipi->pdev->dev); +mipi_display_on_fail2: + pdata->set_dot_clock(mipi->pdev, mipi->base, 0); +} + +static void mipi_display_off(void *arg) +{ + struct sh_mipi *mipi = arg; + struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data; + + if (mipi->next_display_off) + mipi->next_display_off(mipi->next_board_data); + + sh_mipi_dsi_enable(mipi, false); + + pdata->set_dot_clock(mipi->pdev, mipi->base, 0); + + pm_runtime_put_sync(&mipi->pdev->dev); +} + static int __init sh_mipi_probe(struct platform_device *pdev) { struct sh_mipi *mipi; @@ -498,14 +520,6 @@ static int __init sh_mipi_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); pm_runtime_resume(&pdev->dev); - ret = sh_mipi_setup(mipi, pdata); - if (ret < 0) - goto emipisetup; - - ret = pdata->set_dot_clock(pdev, mipi->base, 1); - if (ret < 0) - goto emipisetup; - mutex_unlock(&array_lock); platform_set_drvdata(pdev, mipi); @@ -522,10 +536,6 @@ static int __init sh_mipi_probe(struct platform_device *pdev) return 0; -emipisetup: - mipi_dsi[idx] = NULL; - pm_runtime_disable(&pdev->dev); - clk_disable(mipi->dsit_clk); eclkton: esettrate: clk_put(mipi->dsit_clk); @@ -579,7 +589,6 @@ static int __exit sh_mipi_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); clk_disable(mipi->dsit_clk); clk_put(mipi->dsit_clk); - pdata->set_dot_clock(pdev, mipi->base, 0); iounmap(mipi->linkbase); if (res2) -- 2.39.5