Re: [PATCH 09/13] drm/gem: Acquire reservation lock in drm_gem_{pin/unpin}()

On Tue, Feb 27, 2024 at 6:39 AM Thomas Zimmermann wrote: > > Acquire the buffer object's reservation lock in drm_gem_pin() and > remove locking the drivers' GEM callbacks where necessary. Same for > unpin(). > > DRM drivers and memory managers modified by this patch will now have > correct dma-buf

[PATCH 09/13] drm/gem: Acquire reservation lock in drm_gem_{pin/unpin}()

Acquire the buffer object's reservation lock in drm_gem_pin() and remove locking the drivers' GEM callbacks where necessary. Same for unpin(). DRM drivers and memory managers modified by this patch will now have correct dma-buf locking semantics: the caller is responsible for holding the reservati