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| author | Dmitry Osipenko <digetx@gmail.com> | 2020-08-14 00:56:09 +0300 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2020-08-16 17:12:18 +0200 |
| commit | 5759c9674c20ffdb2c02c29fe85462732d86ed78 (patch) | |
| tree | 476f184f4d78ddc0575b38f73ecda15eb2b87297 /drivers/gpu/drm/panel/panel-simple.c | |
| parent | 58310c2ec9941ff4e2582764e8ab3ee9620ccd2c (diff) | |
| download | lwn-5759c9674c20ffdb2c02c29fe85462732d86ed78.tar.gz lwn-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/panel-simple.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 11 |
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); |