add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/gpu/drm/qxl/qxl_prime.c
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@@ -23,25 +23,27 @@
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  */
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 #include "qxl_drv.h"
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+#include "qxl_object.h"
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 /* Empty Implementations as there should not be any other driver for a virtual
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  * device that might share buffers with qxl */
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 int qxl_gem_prime_pin(struct drm_gem_object *obj)
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 {
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-	WARN_ONCE(1, "not implemented");
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-	return -ENOSYS;
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+	struct qxl_bo *bo = gem_to_qxl_bo(obj);
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+
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+	return qxl_bo_pin(bo);
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 }
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 void qxl_gem_prime_unpin(struct drm_gem_object *obj)
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 {
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-	WARN_ONCE(1, "not implemented");
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-}
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+	struct qxl_bo *bo = gem_to_qxl_bo(obj);
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+	qxl_bo_unpin(bo);
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+}
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 struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj)
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 {
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-	WARN_ONCE(1, "not implemented");
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 	return ERR_PTR(-ENOSYS);
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 }
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..
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@@ -49,24 +51,31 @@
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 	struct drm_device *dev, struct dma_buf_attachment *attach,
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 	struct sg_table *table)
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 {
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-	WARN_ONCE(1, "not implemented");
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 	return ERR_PTR(-ENOSYS);
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 }
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 void *qxl_gem_prime_vmap(struct drm_gem_object *obj)
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 {
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-	WARN_ONCE(1, "not implemented");
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-	return ERR_PTR(-ENOSYS);
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+	struct qxl_bo *bo = gem_to_qxl_bo(obj);
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+	void *ptr;
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+	int ret;
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+
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+	ret = qxl_bo_kmap(bo, &ptr);
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+	if (ret < 0)
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+		return ERR_PTR(ret);
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+
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+	return ptr;
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 }
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 void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
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 {
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-	WARN_ONCE(1, "not implemented");
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+	struct qxl_bo *bo = gem_to_qxl_bo(obj);
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+
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+	qxl_bo_kunmap(bo);
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 }
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 int qxl_gem_prime_mmap(struct drm_gem_object *obj,
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 		       struct vm_area_struct *area)
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 {
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-	WARN_ONCE(1, "not implemented");
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 	return -ENOSYS;
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 }