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Ashish Mhetre ed7a856cf7 video: tegra: nvmap: Take refcount on device during map 
When a dma_buf is getting mapped, take refcount on that device which
will is released when dma_buf is unmapped.
The device should be alive till all its buffers are unmapped.

Bug 4402923

Change-Id: I3ad257f5bdd7e705ac94bea6e81fef0fda46fbd2
Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3079901
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2024-02-22 15:46:16 -08:00
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tegra
video: tegra: nvmap: Take refcount on device during map
2024-02-22 15:46:16 -08:00