diff options
| author | Satyanarayana K V P <satyanarayana.k.v.p@intel.com> | 2025-08-08 10:36:28 +0300 |
|---|---|---|
| committer | Matthew Brost <matthew.brost@intel.com> | 2025-08-08 20:29:37 +0300 |
| commit | 9f8aa0bcd1f35baefe083adfa26bc6f9f68f652b (patch) | |
| tree | ca0856a5315f590c81192f949c3dd68a5973e79a /drivers/gpu/drm/xe/xe_exec_queue.c | |
| parent | 342d1f84320994ab72a6ca96e18f2985868e1cbd (diff) | |
| download | linux-9f8aa0bcd1f35baefe083adfa26bc6f9f68f652b.tar.xz | |
drm/xe/vf: Refactor CCS save/restore to use default migration context
Previously, CCS save/restore operations created separate migration
contexts with new VM memory allocations, resulting in significant
overhead.
This commit eliminates redundant context creation reusing the default
migration context by registering new execution queues for CCS save and
restore on the existing migrate VM.
Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Suggested-by: Matthew Brost <matthew.brost@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250808073628.32745-2-satyanarayana.k.v.p@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/xe_exec_queue.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_exec_queue.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c index 6c176183ed58..2d10a53f701d 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.c +++ b/drivers/gpu/drm/xe/xe_exec_queue.c @@ -790,6 +790,21 @@ int xe_exec_queue_get_property_ioctl(struct drm_device *dev, void *data, } /** + * xe_exec_queue_lrc() - Get the LRC from exec queue. + * @q: The exec_queue. + * + * Retrieves the primary LRC for the exec queue. Note that this function + * returns only the first LRC instance, even when multiple parallel LRCs + * are configured. + * + * Return: Pointer to LRC on success, error on failure + */ +struct xe_lrc *xe_exec_queue_lrc(struct xe_exec_queue *q) +{ + return q->lrc[0]; +} + +/** * xe_exec_queue_is_lr() - Whether an exec_queue is long-running * @q: The exec_queue * |