drm: add signed-range property type
Like range, but values are signed.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index f990d9f..6127073 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3213,6 +3213,22 @@
}
EXPORT_SYMBOL(drm_property_create_bitmask);
+static struct drm_property *property_create_range(struct drm_device *dev,
+ int flags, const char *name,
+ uint64_t min, uint64_t max)
+{
+ struct drm_property *property;
+
+ property = drm_property_create(dev, flags, name, 2);
+ if (!property)
+ return NULL;
+
+ property->values[0] = min;
+ property->values[1] = max;
+
+ return property;
+}
+
/**
* drm_property_create - create a new ranged property type
* @dev: drm device
@@ -3235,21 +3251,20 @@
const char *name,
uint64_t min, uint64_t max)
{
- struct drm_property *property;
-
- flags |= DRM_MODE_PROP_RANGE;
-
- property = drm_property_create(dev, flags, name, 2);
- if (!property)
- return NULL;
-
- property->values[0] = min;
- property->values[1] = max;
-
- return property;
+ return property_create_range(dev, DRM_MODE_PROP_RANGE | flags,
+ name, min, max);
}
EXPORT_SYMBOL(drm_property_create_range);
+struct drm_property *drm_property_create_signed_range(struct drm_device *dev,
+ int flags, const char *name,
+ int64_t min, int64_t max)
+{
+ return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags,
+ name, I642U64(min), I642U64(max));
+}
+EXPORT_SYMBOL(drm_property_create_signed_range);
+
struct drm_property *drm_property_create_object(struct drm_device *dev,
int flags, const char *name, uint32_t type)
{
@@ -3685,6 +3700,12 @@
if (value < property->values[0] || value > property->values[1])
return false;
return true;
+ } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) {
+ int64_t svalue = U642I64(value);
+ if (svalue < U642I64(property->values[0]) ||
+ svalue > U642I64(property->values[1]))
+ return false;
+ return true;
} else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) {
int i;
uint64_t valid_mask = 0;