Just like we have for connector type etc.
v2: drop static array (Chris)
v3: add kdoc (Daniel)
Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_crtc.c | 23 +++++++++++++++++++++++
include/drm/drm_crtc.h | 1 +
2 files changed, 24 insertions(+)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 3b7d32d..35ea15d 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -215,6 +215,16 @@ static const struct drm_prop_enum_list drm_encoder_enum_list[] =
{ DRM_MODE_ENCODER_DSI, "DSI" },
};
+static const struct drm_prop_enum_list drm_subpixel_enum_list[] =
+{
+ { SubPixelUnknown, "Unknown" },
+ { SubPixelHorizontalRGB, "Horizontal RGB" },
+ { SubPixelHorizontalBGR, "Horizontal BGR" },
+ { SubPixelVerticalRGB, "Vertical RGB" },
+ { SubPixelVerticalBGR, "Vertical BGR" },
+ { SubPixelNone, "None" },
+};
+
void drm_connector_ida_init(void)
{
int i;
@@ -264,6 +274,19 @@ const char *drm_get_connector_status_name(enum drm_connector_status status)
}
EXPORT_SYMBOL(drm_get_connector_status_name);
+/**
+ * drm_get_subpixel_order_name - return a string for a given subpixel enum
+ * @order: enum of subpixel_order
+ *
+ * Note you could abuse this and return something out of bounds, but that
+ * would be a caller error. No unscrubbed user data should make it here.
+ */
+const char *drm_get_subpixel_order_name(enum subpixel_order order)
+{
+ return drm_subpixel_enum_list[order].name;
+}
+EXPORT_SYMBOL(drm_get_subpixel_order_name);
+
static char printable_char(int c)
{
return isascii(c) && isprint(c) ? c : '?';
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 71727b6..ce9ee60 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -991,6 +991,7 @@ extern void drm_encoder_cleanup(struct drm_encoder *encoder);
extern const char *drm_get_connector_name(const struct drm_connector *connector);
extern const char *drm_get_connector_status_name(enum drm_connector_status status);
+extern const char *drm_get_subpixel_order_name(enum subpixel_order order);
extern const char *drm_get_dpms_name(int val);
extern const char *drm_get_dvi_i_subconnector_name(int val);
extern const char *drm_get_dvi_i_select_name(int val);
--
1.7.9.5
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