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-rw-r--r--drivers/gpu/drm/drm_crtc.c17
-rw-r--r--drivers/gpu/drm/omapdrm/omap_plane.c5
-rw-r--r--include/drm/drm_crtc.h3
3 files changed, 19 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 41c7212081b8..2fbee61d632d 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3395,19 +3395,28 @@ EXPORT_SYMBOL(drm_property_create_enum);
struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
int flags, const char *name,
const struct drm_prop_enum_list *props,
- int num_values)
+ int num_props,
+ uint64_t supported_bits)
{
struct drm_property *property;
- int i, ret;
+ int i, ret, index = 0;
+ int num_values = hweight64(supported_bits);
flags |= DRM_MODE_PROP_BITMASK;
property = drm_property_create(dev, flags, name, num_values);
if (!property)
return NULL;
+ for (i = 0; i < num_props; i++) {
+ if (!(supported_bits & (1ULL << props[i].type)))
+ continue;
- for (i = 0; i < num_values; i++) {
- ret = drm_property_add_enum(property, i,
+ if (WARN_ON(index >= num_values)) {
+ drm_property_destroy(dev, property);
+ return NULL;
+ }
+
+ ret = drm_property_add_enum(property, index++,
props[i].type,
props[i].name);
if (ret) {
diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
index 3cf31ee59aac..aff06e7a4e5f 100644
--- a/drivers/gpu/drm/omapdrm/omap_plane.c
+++ b/drivers/gpu/drm/omapdrm/omap_plane.c
@@ -317,7 +317,10 @@ void omap_plane_install_properties(struct drm_plane *plane,
{ DRM_REFLECT_Y, "reflect-y" },
};
prop = drm_property_create_bitmask(dev, 0, "rotation",
- props, ARRAY_SIZE(props));
+ props, ARRAY_SIZE(props),
+ BIT(DRM_ROTATE_0) | BIT(DRM_ROTATE_90) |
+ BIT(DRM_ROTATE_180) | BIT(DRM_ROTATE_270) |
+ BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y));
if (prop == NULL)
return;
priv->rotation_prop = prop;
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index bfc7235a9c0e..cb4850a2b0c1 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1006,7 +1006,8 @@ extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int
struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
int flags, const char *name,
const struct drm_prop_enum_list *props,
- int num_values);
+ int num_props,
+ uint64_t supported_bits);
struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
const char *name,
uint64_t min, uint64_t max);