Signed-off-by: Damien Lespiau <[email protected]>
---
lib/igt_kms.c | 45 ++++++++++++++++++++++++++++++++-------------
1 file changed, 32 insertions(+), 13 deletions(-)
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 4a8c394..666b0d0 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -495,37 +495,56 @@ static void igt_output_refresh(igt_output_t *output)
display->pipes_in_use |= 1 << output->config.pipe;
}
-/*
- * Walk a plane's property list to determine its type. If we don't
- * find a type property, then the kernel doesn't support universal
- * planes and we know the plane is an overlay/sprite.
- */
-static int get_drm_plane_type(igt_display_t *display, uint32_t plane_id)
+static bool
+get_property(igt_display_t *display,
+ uint32_t object_id, uint32_t object_type, const char *name,
+ uint32_t *prop_id /* out */, uint64_t *value /* out */)
{
drmModeObjectPropertiesPtr proplist;
drmModePropertyPtr prop = NULL;
- int type = DRM_PLANE_TYPE_OVERLAY;
+ bool found = false;
int i;
proplist = drmModeObjectGetProperties(display->drm_fd,
- plane_id,
- DRM_MODE_OBJECT_PLANE);
+ object_id, object_type);
for (i = 0; i < proplist->count_props; i++) {
drmModeFreeProperty(prop);
prop = drmModeGetProperty(display->drm_fd, proplist->props[i]);
if (!prop)
continue;
- if (strcmp(prop->name, "type") == 0) {
- type = proplist->prop_values[i];
- break;
+ if (strcmp(prop->name, name) == 0) {
+ found = true;
+ if (prop_id)
+ *prop_id = proplist->props[i];
+ if (value)
+ *value = proplist->prop_values[i];
+ goto out;
}
}
+out:
drmModeFreeProperty(prop);
drmModeFreeObjectProperties(proplist);
+ return found;
+}
+
+/*
+ * Walk a plane's property list to determine its type. If we don't
+ * find a type property, then the kernel doesn't support universal
+ * planes and we know the plane is an overlay/sprite.
+ */
+static int get_drm_plane_type(igt_display_t *display, uint32_t plane_id)
+{
+ uint64_t value;
+ bool has_prop;
+
+ has_prop = get_property(display, plane_id, DRM_MODE_OBJECT_PLANE,
+ "type", NULL /* prop_id */, &value);
+ if (has_prop)
+ return (int)value;
- return type;
+ return DRM_PLANE_TYPE_OVERLAY;
}
void igt_display_init(igt_display_t *display, int drm_fd)
--
1.8.3.1
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