modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/gpu/drm/rockchip/rockchip_drm_direct_show.c
..
..
@@ -316,3 +316,18 @@
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 	return ret;
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 }
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+
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+int rockchip_drm_direct_show_buf_begin_cpu_access(struct rockchip_drm_direct_show_buffer *buffer)
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+{
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+	struct drm_gem_object *obj = &buffer->rk_gem_obj->base;
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+
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+	return rockchip_gem_prime_begin_cpu_access(obj, DMA_FROM_DEVICE);
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+}
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+
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+int rockchip_drm_direct_show_buf_end_cpu_access(struct rockchip_drm_direct_show_buffer *buffer)
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+{
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+	struct drm_gem_object *obj = &buffer->rk_gem_obj->base;
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+
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+	return rockchip_gem_prime_end_cpu_access(obj, DMA_TO_DEVICE);
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+}
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+