/* RGB formats use only one buffer */
buffer = exynos_drm_fb_buffer(fb, 0);
if (!buffer) {
- DRM_LOG_KMS("buffer is null.\n");
+ DRM_DEBUG_KMS("buffer is null.\n");
return -EFAULT;
}
dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr;
fbi->screen_base = buffer->kvaddr + offset;
- if (is_drm_iommu_supported(dev))
- fbi->fix.smem_start = (unsigned long)
- (page_to_phys(sg_page(buffer->sgt->sgl)) + offset);
- else
- fbi->fix.smem_start = (unsigned long)buffer->dma_addr;
-
fbi->screen_size = size;
- fbi->fix.smem_len = size;
return 0;
}
.fb_probe = exynos_drm_fbdev_create,
};
+bool exynos_drm_fbdev_is_anything_connected(struct drm_device *dev)
+{
+ struct drm_connector *connector;
+ bool ret = false;
+
+ mutex_lock(&dev->mode_config.mutex);
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ if (connector->status != connector_status_connected)
+ continue;
+
+ ret = true;
+ break;
+ }
+ mutex_unlock(&dev->mode_config.mutex);
+
+ return ret;
+}
+
int exynos_drm_fbdev_init(struct drm_device *dev)
{
struct exynos_drm_fbdev *fbdev;
if (!dev->mode_config.num_crtc || !dev->mode_config.num_connector)
return 0;
+ if (!exynos_drm_fbdev_is_anything_connected(dev))
+ return 0;
+
fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
if (!fbdev)
return -ENOMEM;