video: driver: amend delayed unmap feature
Due to delayed unmap feature on decoder output buffers, refcount will become one when no one uses the buffer in driver. In release done functonality, remove the buffer from maps list only if refcount equal to one. If refcount is more than one indicates the buffer is being used, so do not remove from maps list. There are chances that same decoder output buffer might be queued by the client in which case we are not supposed to unmap it from maps list in release done. Change-Id: I69250c3efa89d77055e89770fd441af1fb50b755 Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>
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@@ -314,6 +314,10 @@ int msm_vidc_map_driver_buf(struct msm_vidc_inst *inst,
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struct msm_vidc_buffer *buf);
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int msm_vidc_put_driver_buf(struct msm_vidc_inst *inst,
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struct msm_vidc_buffer *buf);
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int msm_vidc_get_delayed_unmap(struct msm_vidc_inst *inst,
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struct msm_vidc_map *map);
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int msm_vidc_put_delayed_unmap(struct msm_vidc_inst *inst,
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struct msm_vidc_map *map);
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int msm_vidc_queue_buffer_single(struct msm_vidc_inst *inst, struct vb2_buffer *vb2);
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int msm_vidc_destroy_internal_buffer(struct msm_vidc_inst *inst,
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struct msm_vidc_buffer *buffer);
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