drm/dc8200: implement fbdev

Reference: Icenowy/linux@57cb1ebbf9 Signed-off-by: MichaIng <[email protected]>
MichaIng · Apr 18, 2024 · 4a02f78 · 4a02f78
1 parent 36c61c2
commit 4a02f78
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diff --git a/drivers/gpu/drm/verisilicon/vs_drv.c b/drivers/gpu/drm/verisilicon/vs_drv.c
@@ -251,6 +251,8 @@ static int vs_drm_bind(struct device *dev)
 	if (ret)
 		goto err_helper;
 
+	drm_fbdev_generic_setup(drm_dev, 32);
+
 	return 0;
 
 err_helper:

diff --git a/drivers/gpu/drm/verisilicon/vs_gem.c b/drivers/gpu/drm/verisilicon/vs_gem.c
@@ -389,6 +389,13 @@ struct sg_table *vs_gem_prime_get_sg_table(struct drm_gem_object *obj)
 
 int vs_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
 {
+	struct vs_gem_object *vs_obj = to_vs_gem_object(obj);
+
+	void * vaddr = vs_obj->dma_attrs & DMA_ATTR_NO_KERNEL_MAPPING ?
+		       page_address(vs_obj->cookie) : vs_obj->cookie;
+
+	dma_buf_map_set_vaddr(map, vaddr);
+
 	return 0;
 }