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 <[email protected]> Signed-off-by: Matthew Auld <[email protected]> --- drivers/gpu/drm/i915/gt/intel_gt.c | 29 +++++++++++++++++++++ drivers/gpu/drm/i915/gt/intel_gt.h | 1 + drivers/gpu/drm/i915/gt/intel_region_lmem.c | 3 ++- drivers/gpu/drm/i915/gt/intel_region_lmem.h | 4 +-- drivers/gpu/drm/i915/i915_drv.c | 4 +++ drivers/gpu/drm/i915/intel_memory_region.c | 5 ++-- 6 files changed, 40 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index d8e1ab412634..989cd2106b09 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -39,6 +39,35 @@ 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; + + id = INTEL_REGION_LMEM; + if (!HAS_REGION(i915, id)) + return 0; + + mem = intel_gt_setup_fake_lmem(gt); + if (IS_ERR(mem)) { + err = PTR_ERR(mem); + drm_err(&i915->drm, + "Failed to setup region(%d) type=%d\n", + err, INTEL_MEMORY_LOCAL); + return err; + } + + mem->id = id; + mem->type = INTEL_MEMORY_LOCAL; + mem->instance = 0; + + i915->mm.regions[id] = mem; + + return 0; +} + void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt) { gt->ggtt = ggtt; diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h index 9157c7411f60..a17bd8b3195f 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.h +++ b/drivers/gpu/drm/i915/gt/intel_gt.h @@ -36,6 +36,7 @@ static inline struct intel_gt *huc_to_gt(struct intel_huc *huc) void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915); void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt); +int intel_gt_probe_lmem(struct intel_gt *gt); int intel_gt_init_mmio(struct intel_gt *gt); int __must_check intel_gt_init_hw(struct intel_gt *gt); int intel_gt_init(struct intel_gt *gt); diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c index 28a1d5e1fb92..ad80ff0b935c 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c @@ -102,8 +102,9 @@ static const struct intel_memory_region_ops intel_region_lmem_ops = { }; struct intel_memory_region * -intel_setup_fake_lmem(struct drm_i915_private *i915) +intel_gt_setup_fake_lmem(struct intel_gt *gt) { + struct drm_i915_private *i915 = gt->i915; struct pci_dev *pdev = i915->drm.pdev; struct intel_memory_region *mem; resource_size_t mappable_end; diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.h b/drivers/gpu/drm/i915/gt/intel_region_lmem.h index 8ea43e538dab..a4baa0f077a1 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.h +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.h @@ -6,9 +6,9 @@ #ifndef __INTEL_REGION_LMEM_H #define __INTEL_REGION_LMEM_H -struct drm_i915_private; +struct intel_gt; struct intel_memory_region * -intel_setup_fake_lmem(struct drm_i915_private *i915); +intel_gt_setup_fake_lmem(struct intel_gt *gt); #endif /* !__INTEL_REGION_LMEM_H */ diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 0037b81d991e..7915d0dc7e16 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -574,6 +574,10 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) if (ret) goto err_ggtt; + ret = intel_gt_probe_lmem(&dev_priv->gt); + if (ret) + goto err_mem_regions; + intel_gt_init_hw_early(&dev_priv->gt, &dev_priv->ggtt); ret = i915_ggtt_enable_hw(dev_priv); diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c index 1bfcdd89b241..b1b610bfff09 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.c +++ b/drivers/gpu/drm/i915/intel_memory_region.c @@ -258,9 +258,8 @@ int intel_memory_regions_hw_probe(struct drm_i915_private *i915) case INTEL_MEMORY_STOLEN: mem = i915_gem_stolen_setup(i915); break; - case INTEL_MEMORY_LOCAL: - mem = intel_setup_fake_lmem(i915); - break; + default: + continue; } if (IS_ERR(mem)) { -- 2.26.2 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
