diff options
| author | Matthew Brost <matthew.brost@intel.com> | 2021-10-14 10:19:45 -0700 |
|---|---|---|
| committer | John Harrison <John.C.Harrison@Intel.com> | 2021-10-15 10:37:29 -0700 |
| commit | 4f3059dc2dbbc5547684558f18565719c365b30e (patch) | |
| tree | 7623174356109fb33ac6b41027825035ed5a48a8 /drivers/gpu/drm/i915/gt/intel_engine_types.h | |
| parent | 3633242927101b4bcff14cb0f718ecd4d346c5b1 (diff) | |
drm/i915: Add logical engine mapping
Add logical engine mapping. This is required for split-frame, as
workloads need to be placed on engines in a logically contiguous manner.
v2:
(Daniel Vetter)
- Add kernel doc for new fields
v3:
(Tvrtko)
- Update comment for new logical_mask field
v4:
(John Harrison)
- Update comment for new logical_mask field
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211014172005.27155-6-matthew.brost@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_engine_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_types.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h index 9167ce52487c..e0f773585c29 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h @@ -269,6 +269,13 @@ struct intel_engine_cs { unsigned int guc_id; intel_engine_mask_t mask; + /** + * @logical_mask: logical mask of engine, reported to user space via + * query IOCTL and used to communicate with the GuC in logical space. + * The logical instance of a physical engine can change based on product + * and fusing. + */ + intel_engine_mask_t logical_mask; u8 class; u8 instance; |