[PATCH 4/5] drm/ttm: Improved fencing of buffer object lists

Drastically reduce the number of spin lock / unlock operations by performing unreserving and fencing under global locks. Signed-off-by: Thomas Hellstrom --- drivers/gpu/drm/ttm/ttm_bo.c | 11 +++-- drivers/gpu/drm/ttm/ttm_execbuf_util.c | 36 ++- inc

[PATCH 4/5] drm/ttm: Improved fencing of buffer object lists

Drastically reduce the number of spin lock / unlock operations by performing unreserving and fencing under global locks. Signed-off-by: Thomas Hellstrom --- drivers/gpu/drm/ttm/ttm_bo.c | 11 +++-- drivers/gpu/drm/ttm/ttm_execbuf_util.c | 36 ++- inc