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drm: expose subpixel order name routine v3

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Just like we have for connector type etc.

v2: drop static array (Chris)
v3: add kdoc (Daniel)

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jesse Barnes 2014-02-10 15:32:44 -08:00 committed by Daniel Vetter
parent a57ce0b2b7
commit ac1bb36c4e
2 changed files with 24 additions and 0 deletions
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23
drivers/gpu/drm/drm_crtc.c
View File

@ -215,6 +215,16 @@ static const struct drm_prop_enum_list drm_encoder_enum_list[] =
{ DRM_MODE_ENCODER_DSI, "DSI" }, { 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) void drm_connector_ida_init(void)
{ {
int i; 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); 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) static char printable_char(int c)
{ {
return isascii(c) && isprint(c) ? c : '?'; return isascii(c) && isprint(c) ? c : '?';

1
include/drm/drm_crtc.h
View File

@ -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_name(const struct drm_connector *connector);
extern const char *drm_get_connector_status_name(enum drm_connector_status status); 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_dpms_name(int val);
extern const char *drm_get_dvi_i_subconnector_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); extern const char *drm_get_dvi_i_select_name(int val);