commit 6f5064d

drm: Add debug information about drivers tried

1@@ -31,6 +31,7 @@ typedef uint32_t (* drm_get_handle_func_t)(struct wld_drawable * drawable);
2 
3 struct drm_driver
4 {
5+    const char * name;
6     bool (* device_supported)(uint32_t vendor_id, uint32_t device_id);
7     struct wld_context * (* create_context)(int drm_fd);
8 };

 1@@ -61,10 +61,13 @@ static const struct drm_driver * find_driver(int fd)
 2 
 3     for (index = 0; index < ARRAY_LENGTH(drivers); ++index)
 4     {
 5+        DEBUG("Trying DRM driver `%s'\n", drivers[index]->name);
 6         if (drivers[index]->device_supported(vendor_id, device_id))
 7             return drivers[index];
 8     }
 9 
10+    DEBUG("No DRM driver supports device 0x%x:0x%x\n", vendor_id, device_id);
11+
12     return NULL;
13 }
14 

 1@@ -31,10 +31,13 @@ static struct wld_context * driver_create_context(int drm_fd);
 2 
 3 #define EXPAND(f, x) f(x)
 4 #define VAR(name) name ## _drm_driver
 5+#define STRING(name) # name
 6 const struct drm_driver EXPAND(VAR, DRM_DRIVER_NAME) = {
 7+    .name = EXPAND(STRING, DRM_DRIVER_NAME),
 8     .device_supported = &driver_device_supported,
 9     .create_context = &driver_create_context,
10 };
11 #undef VAR
12+#undef STRING
13 #undef EXPAND
14