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video: driver: optimize buffer pool implementation

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- Maintain free & busy pool to track buffers separately
- track double-free cases during msm_memory_free()
- track memory leak, by checking busy pool buffer count.
  it is expected to be zero at the end of a session.
- maintain common api's to init, alloc, free, destroy
  for all below buffer types.
    - struct msm_vidc_buffer
    - struct msm_vidc_alloc
    - struct msm_vidc_map
    - struct msm_vidc_timestamp.

Change-Id: Ib8655047c3883ea6601344661058d7a629ffd5bd
Signed-off-by: Govindaraj Rajagopal <grajagop@codeaurora.org>
This commit is contained in:
Govindaraj Rajagopal
2021-06-07 14:37:02 +05:30
parent b113af07cb
commit 3e4248dfb0
9 changed files with 232 additions and 296 deletions
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12
driver/vidc/inc/msm_vidc_driver.h
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@@ -290,18 +290,6 @@ int msm_vidc_release_internal_buffers(struct msm_vidc_inst *inst,
enum msm_vidc_buffer_type buffer_type);
int msm_vidc_vb2_buffer_done(struct msm_vidc_inst *inst,
struct msm_vidc_buffer *buf);
struct msm_vidc_buffer *msm_vidc_get_vidc_buffer(struct msm_vidc_inst *inst);
struct msm_vidc_alloc *msm_vidc_get_alloc_buffer(struct msm_vidc_inst *inst);
struct msm_vidc_map *msm_vidc_get_map_buffer(struct msm_vidc_inst *inst);
struct msm_vidc_timestamp *msm_vidc_get_ts(struct msm_vidc_inst *inst);
int msm_vidc_put_vidc_buffer(struct msm_vidc_inst *inst, struct msm_vidc_buffer *buf);
int msm_vidc_put_alloc_buffer(struct msm_vidc_inst *inst, struct msm_vidc_alloc *alloc);
int msm_vidc_put_map_buffer(struct msm_vidc_inst *inst, struct msm_vidc_map *map);
int msm_vidc_put_ts(struct msm_vidc_inst *inst, struct msm_vidc_timestamp *ts);
int msm_vidc_destroy_vidc_buffer(struct msm_vidc_inst *inst);
int msm_vidc_destroy_alloc_buffer(struct msm_vidc_inst *inst);
int msm_vidc_destroy_map_buffer(struct msm_vidc_inst *inst);
int msm_vidc_destroy_ts(struct msm_vidc_inst *inst);
int msm_vidc_remove_session(struct msm_vidc_inst *inst);
int msm_vidc_add_session(struct msm_vidc_inst *inst);
int msm_vidc_session_open(struct msm_vidc_inst *inst);