Use runtime PM's autosuspend support with delay of 100ms. This will prevent the driver from turning the DSS modules off and on multiple times e.g. when loading the module. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx> --- drivers/video/omap2/dss/dispc.c | 5 ++++- drivers/video/omap2/dss/dsi.c | 5 ++++- drivers/video/omap2/dss/dss.c | 5 ++++- drivers/video/omap2/dss/dss.h | 2 ++ drivers/video/omap2/dss/hdmi4.c | 5 ++++- drivers/video/omap2/dss/rfbi.c | 5 ++++- drivers/video/omap2/dss/venc.c | 5 ++++- 7 files changed, 26 insertions(+), 6 deletions(-) diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 58f3626..0643eb0 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -258,7 +258,8 @@ void dispc_runtime_put(void) DSSDBG("dispc_runtime_put\n"); - r = pm_runtime_put_sync(&dispc.pdev->dev); + pm_runtime_mark_last_busy(&dispc.pdev->dev); + r = pm_runtime_put_autosuspend(&dispc.pdev->dev); WARN_ON(r < 0 && r != -ENOSYS); } EXPORT_SYMBOL(dispc_runtime_put); @@ -3440,6 +3441,8 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) } pm_runtime_enable(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, DSS_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(&pdev->dev); r = dispc_runtime_get(); if (r) diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 6b30a58..19e4cad 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -1110,7 +1110,8 @@ void dsi_runtime_put(struct platform_device *dsidev) DSSDBG("dsi_runtime_put\n"); - r = pm_runtime_put_sync(&dsi->pdev->dev); + pm_runtime_mark_last_busy(&dsi->pdev->dev); + r = pm_runtime_put_autosuspend(&dsi->pdev->dev); WARN_ON(r < 0 && r != -ENOSYS); } @@ -5416,6 +5417,8 @@ static int omap_dsihw_probe(struct platform_device *dsidev) return r; pm_runtime_enable(&dsidev->dev); + pm_runtime_set_autosuspend_delay(&dsidev->dev, DSS_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(&dsidev->dev); r = dsi_runtime_get(dsidev); if (r) diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index fa7bc00..d3b0122 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -689,7 +689,8 @@ static void dss_runtime_put(void) DSSDBG("dss_runtime_put\n"); - r = pm_runtime_put_sync(&dss.pdev->dev); + pm_runtime_mark_last_busy(&dss.pdev->dev); + r = pm_runtime_put_autosuspend(&dss.pdev->dev); WARN_ON(r < 0 && r != -ENOSYS && r != -EBUSY); } @@ -821,6 +822,8 @@ static int __init omap_dsshw_probe(struct platform_device *pdev) goto err_setup_clocks; pm_runtime_enable(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, DSS_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(&pdev->dev); r = dss_runtime_get(); if (r) diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index af83c4d..96505f0 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -73,6 +73,8 @@ #define FLD_MOD(orig, val, start, end) \ (((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end)) +#define DSS_AUTOSUSPEND_DELAY 100 /* in ms */ + enum dss_io_pad_mode { DSS_IO_PAD_MODE_RESET, DSS_IO_PAD_MODE_RFBI, diff --git a/drivers/video/omap2/dss/hdmi4.c b/drivers/video/omap2/dss/hdmi4.c index f1a45fe..f255641 100644 --- a/drivers/video/omap2/dss/hdmi4.c +++ b/drivers/video/omap2/dss/hdmi4.c @@ -77,7 +77,8 @@ static void hdmi_runtime_put(void) DSSDBG("hdmi_runtime_put\n"); - r = pm_runtime_put_sync(&hdmi.pdev->dev); + pm_runtime_mark_last_busy(&hdmi.pdev->dev); + r = pm_runtime_put_autosuspend(&hdmi.pdev->dev); WARN_ON(r < 0 && r != -ENOSYS); } @@ -631,6 +632,8 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev) } pm_runtime_enable(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, DSS_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(&pdev->dev); hdmi_init_output(pdev); diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c index 74d3ed1..20dcbfb 100644 --- a/drivers/video/omap2/dss/rfbi.c +++ b/drivers/video/omap2/dss/rfbi.c @@ -147,7 +147,8 @@ static void rfbi_runtime_put(void) DSSDBG("rfbi_runtime_put\n"); - r = pm_runtime_put_sync(&rfbi.pdev->dev); + pm_runtime_mark_last_busy(&rfbi.pdev->dev); + r = pm_runtime_put_autosuspend(&rfbi.pdev->dev); WARN_ON(r < 0 && r != -ENOSYS); } @@ -981,6 +982,8 @@ static int omap_rfbihw_probe(struct platform_device *pdev) clk_put(clk); pm_runtime_enable(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, DSS_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(&pdev->dev); r = rfbi_runtime_get(); if (r) diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index e173961..bbd35bb 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -410,7 +410,8 @@ static void venc_runtime_put(void) DSSDBG("venc_runtime_put\n"); - r = pm_runtime_put_sync(&venc.pdev->dev); + pm_runtime_mark_last_busy(&venc.pdev->dev); + r = pm_runtime_put_autosuspend(&venc.pdev->dev); WARN_ON(r < 0 && r != -ENOSYS); } @@ -835,6 +836,8 @@ static int omap_venchw_probe(struct platform_device *pdev) return r; pm_runtime_enable(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, DSS_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(&pdev->dev); r = venc_runtime_get(); if (r) -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html