OMAPDSS: provide default get_timings function for panels

With this we can eliminate some duplicate code in panel drivers.
Also lgphilips-lb035q02, nec-nl8048hl11-01b, picodlp and
tpo-td043mtea1 gain support of reading timings over sysfs.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

7 files changed, 9 insertions, 37 deletions

diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c
index d26f37a..c98f2c1 100644
--- a/drivers/video/omap2/displays/panel-acx565akm.c
+++ b/drivers/video/omap2/displays/panel-acx565akm.c
@@ -738,12 +738,6 @@ static void acx_panel_set_timings(struct omap_dss_device *dssdev,
 	}
 }
 
-static void acx_panel_get_timings(struct omap_dss_device *dssdev,
-		struct omap_video_timings *timings)
-{
-	*timings = dssdev->panel.timings;
-}
-
 static int acx_panel_check_timings(struct omap_dss_device *dssdev,
 		struct omap_video_timings *timings)
 {
@@ -761,7 +755,6 @@ static struct omap_dss_driver acx_panel_driver = {
 	.resume		= acx_panel_resume,
 
 	.set_timings	= acx_panel_set_timings,
-	.get_timings	= acx_panel_get_timings,
 	.check_timings	= acx_panel_check_timings,
 
 	.get_recommended_bpp = acx_get_recommended_bpp,
diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c
index 30fe4df..e2b21c5 100644
--- a/drivers/video/omap2/displays/panel-generic-dpi.c
+++ b/drivers/video/omap2/displays/panel-generic-dpi.c
@@ -549,12 +549,6 @@ static void generic_dpi_panel_set_timings(struct omap_dss_device *dssdev,
 	dpi_set_timings(dssdev, timings);
 }
 
-static void generic_dpi_panel_get_timings(struct omap_dss_device *dssdev,
-		struct omap_video_timings *timings)
-{
-	*timings = dssdev->panel.timings;
-}
-
 static int generic_dpi_panel_check_timings(struct omap_dss_device *dssdev,
 		struct omap_video_timings *timings)
 {
@@ -571,7 +565,6 @@ static struct omap_dss_driver dpi_driver = {
 	.resume		= generic_dpi_panel_resume,
 
 	.set_timings	= generic_dpi_panel_set_timings,
-	.get_timings	= generic_dpi_panel_get_timings,
 	.check_timings	= generic_dpi_panel_check_timings,
 
 	.driver         = {
diff --git a/drivers/video/omap2/displays/panel-n8x0.c b/drivers/video/omap2/displays/panel-n8x0.c
index dc9408d..4a34cdc 100644
--- a/drivers/video/omap2/displays/panel-n8x0.c
+++ b/drivers/video/omap2/displays/panel-n8x0.c
@@ -610,12 +610,6 @@ static int n8x0_panel_resume(struct omap_dss_device *dssdev)
 	return 0;
 }
 
-static void n8x0_panel_get_timings(struct omap_dss_device *dssdev,
-		struct omap_video_timings *timings)
-{
-	*timings = dssdev->panel.timings;
-}
-
 static void n8x0_panel_get_resolution(struct omap_dss_device *dssdev,
 		u16 *xres, u16 *yres)
 {
@@ -678,8 +672,6 @@ static struct omap_dss_driver n8x0_panel_driver = {
 	.get_resolution	= n8x0_panel_get_resolution,
 	.get_recommended_bpp = omapdss_default_get_recommended_bpp,
 
-	.get_timings	= n8x0_panel_get_timings,
-
 	.driver         = {
 		.name   = "n8x0_panel",
 		.owner  = THIS_MODULE,
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 72d6307..3053399 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -507,12 +507,6 @@ static const struct backlight_ops taal_bl_ops = {
 	.update_status  = taal_bl_update_status,
 };
 
-static void taal_get_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
-{
-	*timings = dssdev->panel.timings;
-}
-
 static void taal_get_resolution(struct omap_dss_device *dssdev,
 		u16 *xres, u16 *yres)
 {
@@ -1807,8 +1801,6 @@ static struct omap_dss_driver taal_driver = {
 	.run_test	= taal_run_test,
 	.memory_read	= taal_memory_read,
 
-	.get_timings	= taal_get_timings,
-
 	.driver         = {
 		.name   = "taal",
 		.owner  = THIS_MODULE,
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 5ad8cc7..64cb8aa 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -391,6 +391,8 @@ int omap_dss_register_driver(struct omap_dss_driver *dssdriver)
 	if (dssdriver->get_recommended_bpp == NULL)
 		dssdriver->get_recommended_bpp =
 			omapdss_default_get_recommended_bpp;
+	if (dssdriver->get_timings == NULL)
+		dssdriver->get_timings = omapdss_default_get_timings;
 
 	return driver_register(&dssdriver->driver);
 }
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c
index 4424c19..e688d10 100644
--- a/drivers/video/omap2/dss/display.c
+++ b/drivers/video/omap2/dss/display.c
@@ -308,6 +308,13 @@ int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev)
 }
 EXPORT_SYMBOL(omapdss_default_get_recommended_bpp);
 
+void omapdss_default_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = dssdev->panel.timings;
+}
+EXPORT_SYMBOL(omapdss_default_get_timings);
+
 /* Checks if replication logic should be used. Only use for active matrix,
  * when overlay is in RGB12U or RGB16 mode, and LCD interface is
  * 18bpp or 24bpp */
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index abfbd4a..13a20da 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -579,12 +579,6 @@ static int venc_panel_resume(struct omap_dss_device *dssdev)
 	return venc_panel_enable(dssdev);
 }
 
-static void venc_get_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
-{
-	*timings = dssdev->panel.timings;
-}
-
 static void venc_set_timings(struct omap_dss_device *dssdev,
 			struct omap_video_timings *timings)
 {
@@ -663,7 +657,6 @@ static struct omap_dss_driver venc_driver = {
 	.get_resolution	= omapdss_default_get_resolution,
 	.get_recommended_bpp = omapdss_default_get_recommended_bpp,
 
-	.get_timings	= venc_get_timings,
 	.set_timings	= venc_set_timings,
 	.check_timings	= venc_check_timings,