diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_region_lmem.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_region_lmem.h | 2 |
3 files changed, 41 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index edbee9991248..9ac67e0534b7 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -46,7 +46,9 @@ int intel_gt_probe_lmem(struct intel_gt *gt) int id; int err; - mem = intel_gt_setup_fake_lmem(gt); + mem = intel_gt_setup_lmem(gt); + if (mem == ERR_PTR(-ENODEV)) + mem = intel_gt_setup_fake_lmem(gt); if (IS_ERR(mem)) { err = PTR_ERR(mem); if (err == -ENODEV) diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c index 86f5dca37ef3..d74e22313e88 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c @@ -142,3 +142,39 @@ intel_gt_setup_fake_lmem(struct intel_gt *gt) return mem; } + +static struct intel_memory_region *setup_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 io_start; + resource_size_t size; + + if (!IS_DGFX(i915)) + return ERR_PTR(-ENODEV); + + io_start = pci_resource_start(pdev, 2); + size = pci_resource_len(pdev, 2); + + mem = intel_memory_region_create(i915, + 0, + size, + I915_GTT_PAGE_SIZE_4K, + io_start, + &intel_region_lmem_ops); + if (IS_ERR(mem)) + return mem; + + drm_dbg(&i915->drm, "Local memory: %pR\n", &mem->region); + drm_dbg(&i915->drm, "Local memory IO start: %pa\n", + &mem->io_start); + drm_info(&i915->drm, "Local memory available: %pa\n", &size); + + return mem; +} + +struct intel_memory_region *intel_gt_setup_lmem(struct intel_gt *gt) +{ + return setup_lmem(gt); +} diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.h b/drivers/gpu/drm/i915/gt/intel_region_lmem.h index a4baa0f077a1..062d0542ae34 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.h +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.h @@ -8,6 +8,8 @@ struct intel_gt; +struct intel_memory_region *intel_gt_setup_lmem(struct intel_gt *gt); + struct intel_memory_region * intel_gt_setup_fake_lmem(struct intel_gt *gt); |