diff options
| author | Matthew Brost <matthew.brost@intel.com> | 2024-01-31 16:48:48 -0800 |
|---|---|---|
| committer | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2024-02-08 09:49:22 +0100 |
| commit | fc29b6d5ab5395dcb9f35de71e0347f3a6bca542 (patch) | |
| tree | 272df24e98fe1b3c712d9684ffe24f9875a3766d /drivers/gpu/drm/xe/xe_migrate.c | |
| parent | ddc7d4c584704666fe7088bbd9ec2d72d0f63e65 (diff) | |
drm/xe: Take a reference in xe_exec_queue_last_fence_get()
Take a reference in xe_exec_queue_last_fence_get(). Also fix a reference
counting underflow bug VM bind and unbind.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240201004849.2219558-2-matthew.brost@intel.com
(cherry picked from commit a856b67a84169e065ebbeee50258936b1eacc9eb)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_migrate.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_migrate.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c index 5c6c54624252..0cc31837ef26 100644 --- a/drivers/gpu/drm/xe/xe_migrate.c +++ b/drivers/gpu/drm/xe/xe_migrate.c @@ -1204,8 +1204,11 @@ static bool no_in_syncs(struct xe_vm *vm, struct xe_exec_queue *q, } if (q) { fence = xe_exec_queue_last_fence_get(q, vm); - if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) + if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) { + dma_fence_put(fence); return false; + } + dma_fence_put(fence); } return true; |