• Daniel Vetter's avatar
    drm/ttm: remove ttm_bo_wait_unreserved · 6b1ce0a2
    Daniel Vetter authored
    With nouveau fixed all ttm-using drives have the correct nesting of
    mmap_sem vs dma_resv, and we can just lock the buffer.
    
    Assuming I didn't screw up anything with my audit of course.
    
    v2:
    - Dont forget wu_mutex (Christian König)
    - Keep the mmap_sem-less wait optimization (Thomas)
    - Use _lock_interruptible to be good citizens (Thomas)
    
    v3: Rebase over fault handler helperification.
    
    Reviewed-by: Christian König <christian.koenig@amd.com> (v2)
    Reviewed-by: Thomas Hellström <thellstrom@vmware.com> (v2)
    Signed-off-by: default avatarDaniel Vetter <daniel.vetter@intel.com>
    Cc: Christian Koenig <christian.koenig@amd.com>
    Cc: Huang Rui <ray.huang@amd.com>
    Cc: Gerd Hoffmann <kraxel@redhat.com>
    Cc: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
    Cc: Thomas Hellstrom <thellstrom@vmware.com>
    Link: https://patchwork.freedesktop.org/patch/msgid/20191104173801.2972-3-daniel.vetter@ffwll.ch
    6b1ce0a2
ttm_bo_util.c 20.5 KB