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authorMaarten Lankhorst <m.b.lankhorst@gmail.com>2012-11-28 11:25:44 +0000
committerDave Airlie <airlied@redhat.com>2012-12-10 20:21:30 +1000
commit97a875cbdf89a4638eea57c2b456c7cc4e3e8b21 (patch)
tree286ff23a3f8e389ec4fa1a6f3b58cbee4fc8e9fe /drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
parente7ab20197be3ee5fd75441e1cff0c7cdfea5bf1a (diff)
drm/ttm: remove no_wait_reserve, v3
All items on the lru list are always reservable, so this is a stupid thing to keep. Not only that, it is used in a way which would guarantee deadlocks if it were ever to be set to block on reserve. This is a lot of churn, but mostly because of the removal of the argument which can be nested arbitrarily deeply in many places. No change of code in this patch except removal of the no_wait_reserve argument, the previous patch removed the use of no_wait_reserve. v2: - Warn if -EBUSY is returned on reservation, all objects on the list should be reservable. Adjusted patch slightly due to conflicts. v3: - Focus on no_wait_reserve removal only. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
index e88b0eb1a17..5fae06ad7e2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
@@ -66,7 +66,7 @@ int vmw_dmabuf_to_placement(struct vmw_private *dev_priv,
if (unlikely(ret != 0))
goto err;
- ret = ttm_bo_validate(bo, placement, interruptible, false, false);
+ ret = ttm_bo_validate(bo, placement, interruptible, false);
ttm_bo_unreserve(bo);
@@ -123,7 +123,7 @@ int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
else
placement = &vmw_vram_gmr_placement;
- ret = ttm_bo_validate(bo, placement, interruptible, false, false);
+ ret = ttm_bo_validate(bo, placement, interruptible, false);
if (likely(ret == 0) || ret == -ERESTARTSYS)
goto err_unreserve;
@@ -138,7 +138,7 @@ int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
else
placement = &vmw_vram_placement;
- ret = ttm_bo_validate(bo, placement, interruptible, false, false);
+ ret = ttm_bo_validate(bo, placement, interruptible, false);
err_unreserve:
ttm_bo_unreserve(bo);
@@ -223,10 +223,9 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *dev_priv,
if (bo->mem.mem_type == TTM_PL_VRAM &&
bo->mem.start < bo->num_pages &&
bo->mem.start > 0)
- (void) ttm_bo_validate(bo, &vmw_sys_placement, false,
- false, false);
+ (void) ttm_bo_validate(bo, &vmw_sys_placement, false, false);
- ret = ttm_bo_validate(bo, &placement, interruptible, false, false);
+ ret = ttm_bo_validate(bo, &placement, interruptible, false);
/* For some reason we didn't up at the start of vram */
WARN_ON(ret == 0 && bo->offset != 0);
@@ -315,7 +314,7 @@ void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin)
placement.num_placement = 1;
placement.placement = &pl_flags;
- ret = ttm_bo_validate(bo, &placement, false, true, true);
+ ret = ttm_bo_validate(bo, &placement, false, true);
BUG_ON(ret != 0 || bo->mem.mem_type != old_mem_type);
}