samsung-sm8650/android_kernel_samsung_sm8650-modules
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video: driver: skip lazy unmap for dec output buffers

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- add support to skip lazy unmapping for decoder
  output buffers only. Map twice for these buffers.
- v4l2 client owned RO SMMU mapped buffers are
  maintained separately in read_only list.
- For FBD with RO flag from fw, add buffer to read_only
  list. Else remove from this list.
- During FTB, if buffer present in read_only list,
  add RO flag to hfi buffer and queue to fw.
- During streamoff output, unmap all buffers except
  those present in read_only list.
- During close, unmap completely and clean up read_only
  list, output list.

Change-Id: Iacee7d298dfbff0b9cb6f17dff27ad98574b489b
Signed-off-by: Darshana Patil <darshana@codeaurora.org>
This commit is contained in:
Darshana Patil
2021-03-26 13:26:35 -07:00
parent ced61b7249
commit 19cdce1711
8 changed files with 376 additions and 145 deletions
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2
driver/vidc/inc/msm_vidc_memory.h
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@@ -17,6 +17,8 @@ int msm_vidc_memory_map(struct msm_vidc_core *core,
struct msm_vidc_map *map);
int msm_vidc_memory_unmap(struct msm_vidc_core *core,
struct msm_vidc_map *map);
int msm_vidc_memory_unmap_completely(struct msm_vidc_core *core,
struct msm_vidc_map *map);
struct dma_buf *msm_vidc_memory_get_dmabuf(int fd);
void msm_vidc_memory_put_dmabuf(void *dmabuf);