From c499144c3b69a657b5dfd707b35871e066fabd3a Mon Sep 17 00:00:00 2001 From: Archit Taneja Date: Wed, 8 Aug 2012 14:28:54 +0530 Subject: [PATCH] OMAPDSS: DPI: Maintain our own timings field in driver data The DPI driver currently relies on the timings in omap_dss_device struct to configure the DISPC accordingly. This makes the DPI interface driver dependent on the omap_dss_device struct. Make the DPI driver data maintain it's own timings field. The panel driver is expected to call dpi_set_timings()(renamed to omapdss_dpi_set_timings) to set these timings before the panel is enabled. In the set_timings() op, we still ensure that the omap_dss_device timings (dssdev->panel.timings) are configured. This will later be configured only by the DPI panel drivers. Signed-off-by: Archit Taneja --- drivers/video/omap2/displays/panel-generic-dpi.c | 4 +++- drivers/video/omap2/displays/panel-lgphilips-lb035q02.c | 2 ++ drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c | 2 ++ drivers/video/omap2/displays/panel-picodlp.c | 3 +++ drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c | 2 ++ drivers/video/omap2/displays/panel-tfp410.c | 4 +++- drivers/video/omap2/displays/panel-tpo-td043mtea1.c | 4 +++- drivers/video/omap2/dss/dpi.c | 11 +++++++---- include/video/omapdss.h | 4 ++-- 9 files changed, 27 insertions(+), 9 deletions(-) diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c index 69e78a5..8d4e102 100644 --- a/drivers/video/omap2/displays/panel-generic-dpi.c +++ b/drivers/video/omap2/displays/panel-generic-dpi.c @@ -565,6 +565,8 @@ static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev) if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) return 0; + omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings); + r = omapdss_dpi_display_enable(dssdev); if (r) goto err0; @@ -726,7 +728,7 @@ static void generic_dpi_panel_set_timings(struct omap_dss_device *dssdev, mutex_lock(&drv_data->lock); - dpi_set_timings(dssdev, timings); + omapdss_dpi_set_timings(dssdev, timings); mutex_unlock(&drv_data->lock); } diff --git a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c index 8028077..7e52aee 100644 --- a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c +++ b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c @@ -55,6 +55,8 @@ static int lb035q02_panel_power_on(struct omap_dss_device *dssdev) if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) return 0; + omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings); + r = omapdss_dpi_display_enable(dssdev); if (r) goto err0; diff --git a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c index b122b0f..e501c40 100644 --- a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c +++ b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c @@ -175,6 +175,8 @@ static int nec_8048_panel_power_on(struct omap_dss_device *dssdev) if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) return 0; + omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings); + r = omapdss_dpi_display_enable(dssdev); if (r) goto err0; diff --git a/drivers/video/omap2/displays/panel-picodlp.c b/drivers/video/omap2/displays/panel-picodlp.c index 2d35bd3..0d7a8ff 100644 --- a/drivers/video/omap2/displays/panel-picodlp.c +++ b/drivers/video/omap2/displays/panel-picodlp.c @@ -377,6 +377,9 @@ static int picodlp_panel_power_on(struct omap_dss_device *dssdev) * then only i2c commands can be successfully sent to dpp2600 */ msleep(1000); + + omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings); + r = omapdss_dpi_display_enable(dssdev); if (r) { dev_err(&dssdev->dev, "failed to enable DPI\n"); diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c index bd86ba9..1486a81 100644 --- a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c +++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c @@ -142,6 +142,8 @@ static int sharp_ls_power_on(struct omap_dss_device *dssdev) if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) return 0; + omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings); + r = omapdss_dpi_display_enable(dssdev); if (r) goto err0; diff --git a/drivers/video/omap2/displays/panel-tfp410.c b/drivers/video/omap2/displays/panel-tfp410.c index 40cc0cfa..c6f9503 100644 --- a/drivers/video/omap2/displays/panel-tfp410.c +++ b/drivers/video/omap2/displays/panel-tfp410.c @@ -65,6 +65,8 @@ static int tfp410_power_on(struct omap_dss_device *dssdev) if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) return 0; + omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings); + r = omapdss_dpi_display_enable(dssdev); if (r) goto err0; @@ -231,7 +233,7 @@ static void tfp410_set_timings(struct omap_dss_device *dssdev, struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); mutex_lock(&ddata->lock); - dpi_set_timings(dssdev, timings); + omapdss_dpi_set_timings(dssdev, timings); mutex_unlock(&ddata->lock); } diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c index fa7baa6..ecb163e 100644 --- a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c +++ b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c @@ -337,6 +337,8 @@ static int tpo_td043_enable_dss(struct omap_dss_device *dssdev) if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) return 0; + omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings); + r = omapdss_dpi_display_enable(dssdev); if (r) goto err0; @@ -480,7 +482,7 @@ static void tpo_td043_remove(struct omap_dss_device *dssdev) static void tpo_td043_set_timings(struct omap_dss_device *dssdev, struct omap_video_timings *timings) { - dpi_set_timings(dssdev, timings); + omapdss_dpi_set_timings(dssdev, timings); } static int tpo_td043_check_timings(struct omap_dss_device *dssdev, diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c index 15c2c33..97c7a10 100644 --- a/drivers/video/omap2/dss/dpi.c +++ b/drivers/video/omap2/dss/dpi.c @@ -41,6 +41,7 @@ static struct { struct mutex lock; + struct omap_video_timings timings; struct dss_lcd_mgr_config mgr_config; } dpi; @@ -123,7 +124,7 @@ static int dpi_set_dispc_clk(struct omap_dss_device *dssdev, static int dpi_set_mode(struct omap_dss_device *dssdev) { - struct omap_video_timings *t = &dssdev->panel.timings; + struct omap_video_timings *t = &dpi.timings; int lck_div = 0, pck_div = 0; unsigned long fck = 0; unsigned long pck; @@ -272,8 +273,8 @@ void omapdss_dpi_display_disable(struct omap_dss_device *dssdev) } EXPORT_SYMBOL(omapdss_dpi_display_disable); -void dpi_set_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) +void omapdss_dpi_set_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) { int r; @@ -281,7 +282,9 @@ void dpi_set_timings(struct omap_dss_device *dssdev, mutex_lock(&dpi.lock); + dpi.timings = *timings; dssdev->panel.timings = *timings; + if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) { r = dispc_runtime_get(); if (r) @@ -296,7 +299,7 @@ void dpi_set_timings(struct omap_dss_device *dssdev, mutex_unlock(&dpi.lock); } -EXPORT_SYMBOL(dpi_set_timings); +EXPORT_SYMBOL(omapdss_dpi_set_timings); int dpi_check_timings(struct omap_dss_device *dssdev, struct omap_video_timings *timings) diff --git a/include/video/omapdss.h b/include/video/omapdss.h index a6267a2..be2cb6b7 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -734,8 +734,8 @@ void omapdss_dsi_display_disable(struct omap_dss_device *dssdev, int omapdss_dpi_display_enable(struct omap_dss_device *dssdev); void omapdss_dpi_display_disable(struct omap_dss_device *dssdev); -void dpi_set_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); +void omapdss_dpi_set_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings); int dpi_check_timings(struct omap_dss_device *dssdev, struct omap_video_timings *timings); -- 2.7.4