diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_stolen.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index 8c88075eeab2..ad6dd7f3259b 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -541,7 +541,9 @@ static int i915_gem_init_stolen(struct intel_memory_region *mem) /* Exclude the reserved region from driver use */ mem->region.end = i915->dsm.reserved.start - 1; - mem->io_size = min(mem->io_size, resource_size(&mem->region)); + mem->io = DEFINE_RES_MEM(mem->io.start, + min(resource_size(&mem->io), + resource_size(&mem->region))); i915->dsm.usable_size = resource_size(&mem->region); @@ -752,7 +754,7 @@ static int _i915_gem_object_stolen_init(struct intel_memory_region *mem, * With discrete devices, where we lack a mappable aperture there is no * possible way to ever access this memory on the CPU side. */ - if (mem->type == INTEL_MEMORY_STOLEN_LOCAL && !mem->io_size && + if (mem->type == INTEL_MEMORY_STOLEN_LOCAL && !resource_size(&mem->io) && !(flags & I915_BO_ALLOC_GPU_ONLY)) return -ENOSPC; @@ -826,7 +828,6 @@ static const struct intel_memory_region_ops i915_region_stolen_smem_ops = { static int init_stolen_lmem(struct intel_memory_region *mem) { - struct drm_i915_private *i915 = mem->i915; int err; if (GEM_WARN_ON(resource_size(&mem->region) == 0)) @@ -838,14 +839,10 @@ static int init_stolen_lmem(struct intel_memory_region *mem) return 0; } - if (mem->io_size && - !io_mapping_init_wc(&mem->iomap, mem->io_start, mem->io_size)) + if (resource_size(&mem->io) && + !io_mapping_init_wc(&mem->iomap, mem->io.start, resource_size(&mem->io))) goto err_cleanup; - drm_dbg(&i915->drm, "Stolen Local memory IO start: %pa\n", - &mem->io_start); - drm_dbg(&i915->drm, "Stolen Local DSM base: %pa\n", &mem->region.start); - return 0; err_cleanup: @@ -855,7 +852,7 @@ err_cleanup: static int release_stolen_lmem(struct intel_memory_region *mem) { - if (mem->io_size) + if (resource_size(&mem->io)) io_mapping_fini(&mem->iomap); i915_gem_cleanup_stolen(mem->i915); return 0; @@ -938,13 +935,17 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type, GEM_BUG_ON((dsm_base + dsm_size) > lmem_size); } else { /* Use DSM base address instead for stolen memory */ - dsm_base = intel_uncore_read64(uncore, GEN12_DSMBASE) & GEN12_BDSM_MASK; + dsm_base = intel_uncore_read64(uncore, GEN6_DSMBASE) & GEN11_BDSM_MASK; if (WARN_ON(lmem_size < dsm_base)) return ERR_PTR(-ENODEV); dsm_size = ALIGN_DOWN(lmem_size - dsm_base, SZ_1M); } - if (pci_resource_len(pdev, GEN12_LMEM_BAR) < lmem_size) { + if (i915_direct_stolen_access(i915)) { + drm_dbg(&i915->drm, "Using direct DSM access\n"); + io_start = intel_uncore_read64(uncore, GEN6_DSMBASE) & GEN11_BDSM_MASK; + io_size = dsm_size; + } else if (pci_resource_len(pdev, GEN12_LMEM_BAR) < lmem_size) { io_start = 0; io_size = 0; } else { |