From: Rob Clark rob@ti.com
A bitmask property is similar to an enum. The enum value is a bit position (0-63), and valid property values consist of a mask of zero or more of (1 << enum_val[n]).
Signed-off-by: Rob Clark rob@ti.com Reviewed-by: Paulo Zanoni paulo.r.zanoni@intel.com --- include/drm/drm_mode.h | 1 + xf86drmMode.c | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h index f303d94..62ba997 100644 --- a/include/drm/drm_mode.h +++ b/include/drm/drm_mode.h @@ -226,6 +226,7 @@ struct drm_mode_get_connector { #define DRM_MODE_PROP_IMMUTABLE (1<<2) #define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */ #define DRM_MODE_PROP_BLOB (1<<4) +#define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */
struct drm_mode_property_enum { __u64 value; diff --git a/xf86drmMode.c b/xf86drmMode.c index a60c7cb..04fdf1f 100644 --- a/xf86drmMode.c +++ b/xf86drmMode.c @@ -575,7 +575,7 @@ drmModePropertyPtr drmModeGetProperty(int fd, uint32_t property_id) if (prop.count_values) prop.values_ptr = VOID2U64(drmMalloc(prop.count_values * sizeof(uint64_t)));
- if (prop.count_enum_blobs && (prop.flags & DRM_MODE_PROP_ENUM)) + if (prop.count_enum_blobs && (prop.flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) prop.enum_blob_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(struct drm_mode_property_enum)));
if (prop.count_enum_blobs && (prop.flags & DRM_MODE_PROP_BLOB)) { @@ -597,7 +597,7 @@ drmModePropertyPtr drmModeGetProperty(int fd, uint32_t property_id) r->flags = prop.flags; if (prop.count_values) r->values = drmAllocCpy(U642VOID(prop.values_ptr), prop.count_values, sizeof(uint64_t)); - if (prop.flags & DRM_MODE_PROP_ENUM) { + if (prop.flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { r->count_enums = prop.count_enum_blobs; r->enums = drmAllocCpy(U642VOID(prop.enum_blob_ptr), prop.count_enum_blobs, sizeof(struct drm_mode_property_enum)); } else if (prop.flags & DRM_MODE_PROP_BLOB) {