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authorDmitry Osipenko <digetx@gmail.com>2020-08-14 00:56:09 +0300
committerSam Ravnborg <sam@ravnborg.org>2020-08-16 17:12:18 +0200
commit5759c9674c20ffdb2c02c29fe85462732d86ed78 (patch)
tree476f184f4d78ddc0575b38f73ecda15eb2b87297 /drivers/gpu/drm/panel
parentdrm/panel: lvds: Read panel orientation (diff)
downloadlinux-dev-5759c9674c20ffdb2c02c29fe85462732d86ed78.tar.xz
linux-dev-5759c9674c20ffdb2c02c29fe85462732d86ed78.zip
drm/panel-simple: Read panel orientation
The panel orientation needs to parsed from a device-tree and assigned to the panel's connector in order to make orientation property available to userspace. That's what this patch does for the panel-simple driver. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200813215609.28643-5-digetx@gmail.com
Diffstat (limited to 'drivers/gpu/drm/panel')
-rw-r--r--drivers/gpu/drm/panel/panel-simple.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 6c8a9b5b67b0..4eabfdd3be2d 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -112,6 +112,8 @@ struct panel_simple {
struct gpio_desc *hpd_gpio;
struct drm_display_mode override_mode;
+
+ enum drm_panel_orientation orientation;
};
static inline struct panel_simple *to_panel_simple(struct drm_panel *panel)
@@ -371,6 +373,9 @@ static int panel_simple_get_modes(struct drm_panel *panel,
/* add hard-coded panel modes */
num += panel_simple_get_non_edid_modes(p, connector);
+ /* set up connector's "panel orientation" property */
+ drm_connector_set_panel_orientation(connector, p->orientation);
+
return num;
}
@@ -532,6 +537,12 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
return err;
}
+ err = of_drm_get_panel_orientation(dev->of_node, &panel->orientation);
+ if (err) {
+ dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, err);
+ return err;
+ }
+
ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0);
if (ddc) {
panel->ddc = of_find_i2c_adapter_by_node(ddc);