From 28576f81823d9fbb9edc525aba5cb130882b8b1f Mon Sep 17 00:00:00 2001
From: =?utf8?q?Yannick=20Fertr=C3=A9?= <yannick.fertre@st.com>
Date: Fri, 13 Jul 2018 14:11:09 +0200
Subject: [PATCH] dm: panel: get timings from panel
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Get timings from panel instead of read device tree.
Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
drivers/video/panel-uclass.c | 11 +++++++++++
include/panel.h | 18 ++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/drivers/video/panel-uclass.c b/drivers/video/panel-uclass.c
index 2841bb3f3a..aec44a8bf7 100644
--- a/drivers/video/panel-uclass.c
+++ b/drivers/video/panel-uclass.c
@@ -18,6 +18,17 @@ int panel_enable_backlight(struct udevice *dev)
return ops->enable_backlight(dev);
}
+int panel_get_display_timing(struct udevice *dev,
+ struct display_timing *timings)
+{
+ struct panel_ops *ops = panel_get_ops(dev);
+
+ if (!ops->get_display_timing)
+ return -ENOSYS;
+
+ return ops->get_display_timing(dev, timings);
+}
+
UCLASS_DRIVER(panel) = {
.id = UCLASS_PANEL,
.name = "panel",
diff --git a/include/panel.h b/include/panel.h
index 46dca48bf7..6237d32657 100644
--- a/include/panel.h
+++ b/include/panel.h
@@ -15,6 +15,15 @@ struct panel_ops {
* @return 0 if OK, -ve on error
*/
int (*enable_backlight)(struct udevice *dev);
+ /**
+ * get_timings() - Get display timings from panel.
+ *
+ * @dev: Panel device containing the display timings
+ * @tim: Place to put timings
+ * @return 0 if OK, -ve on error
+ */
+ int (*get_display_timing)(struct udevice *dev,
+ struct display_timing *timing);
};
#define panel_get_ops(dev) ((struct panel_ops *)(dev)->driver->ops)
@@ -27,4 +36,13 @@ struct panel_ops {
*/
int panel_enable_backlight(struct udevice *dev);
+/**
+ * panel_get_display_timing() - Get display timings from panel.
+ *
+ * @dev: Panel device containing the display timings
+ * @return 0 if OK, -ve on error
+ */
+int panel_get_display_timing(struct udevice *dev,
+ struct display_timing *timing);
+
#endif
--
2.39.5