diff options
| author | Matthew Auld <matthew.auld@intel.com> | 2021-01-27 13:14:10 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-03-24 19:30:36 +0100 |
| commit | 2dfcc7f4e91ff853beab44ce62eeb1163a220e2f (patch) | |
| tree | 23bcb688bc88525adb4981a39dde6438bf12e421 /drivers/gpu/drm/i915/gt/intel_gt.c | |
| parent | 2913fa4d7d4236f92a0a90810e9f239fe2781131 (diff) | |
drm/i915: make local-memory probing a GT operation
Device local memory is very much a GT thing, therefore it should be the
responsibility of the GT to setup the device local memory region.
Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20210127131417.393872-1-matthew.auld@intel.com
[danvet: Rebase conflict.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index d8e1ab412634..edbee9991248 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -39,6 +39,38 @@ void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915) intel_uc_init_early(>->uc); } +int intel_gt_probe_lmem(struct intel_gt *gt) +{ + struct drm_i915_private *i915 = gt->i915; + struct intel_memory_region *mem; + int id; + int err; + + mem = intel_gt_setup_fake_lmem(gt); + if (IS_ERR(mem)) { + err = PTR_ERR(mem); + if (err == -ENODEV) + return 0; + + drm_err(&i915->drm, + "Failed to setup region(%d) type=%d\n", + err, INTEL_MEMORY_LOCAL); + return err; + } + + id = INTEL_REGION_LMEM; + + mem->id = id; + mem->type = INTEL_MEMORY_LOCAL; + mem->instance = 0; + + GEM_BUG_ON(!HAS_REGION(i915, id)); + GEM_BUG_ON(i915->mm.regions[id]); + i915->mm.regions[id] = mem; + + return 0; +} + void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt) { gt->ggtt = ggtt; |