diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt.c | 111 |
1 files changed, 83 insertions, 28 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index e4bac2431e41..d0b03a928b9a 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -31,14 +31,17 @@ #include "intel_rc6.h" #include "intel_renderstate.h" #include "intel_rps.h" +#include "intel_sa_media.h" #include "intel_gt_sysfs.h" #include "intel_uncore.h" #include "shmem_utils.h" -static void __intel_gt_init_early(struct intel_gt *gt) +void intel_gt_common_init_early(struct intel_gt *gt) { - spin_lock_init(>->irq_lock); + spin_lock_init(gt->irq_lock); + INIT_LIST_HEAD(>->lmem_userfault_list); + mutex_init(>->lmem_userfault_lock); INIT_LIST_HEAD(>->closed_vma); spin_lock_init(>->closed_lock); @@ -58,14 +61,19 @@ static void __intel_gt_init_early(struct intel_gt *gt) } /* Preliminary initialization of Tile 0 */ -void intel_root_gt_init_early(struct drm_i915_private *i915) +int intel_root_gt_init_early(struct drm_i915_private *i915) { struct intel_gt *gt = to_gt(i915); gt->i915 = i915; gt->uncore = &i915->uncore; + gt->irq_lock = drmm_kzalloc(&i915->drm, sizeof(*gt->irq_lock), GFP_KERNEL); + if (!gt->irq_lock) + return -ENOMEM; - __intel_gt_init_early(gt); + intel_gt_common_init_early(gt); + + return 0; } static int intel_gt_probe_lmem(struct intel_gt *gt) @@ -781,26 +789,25 @@ static int intel_gt_tile_setup(struct intel_gt *gt, phys_addr_t phys_addr) int ret; if (!gt_is_root(gt)) { - struct intel_uncore_mmio_debug *mmio_debug; struct intel_uncore *uncore; + spinlock_t *irq_lock; - uncore = kzalloc(sizeof(*uncore), GFP_KERNEL); + uncore = drmm_kzalloc(>->i915->drm, sizeof(*uncore), GFP_KERNEL); if (!uncore) return -ENOMEM; - mmio_debug = kzalloc(sizeof(*mmio_debug), GFP_KERNEL); - if (!mmio_debug) { - kfree(uncore); + irq_lock = drmm_kzalloc(>->i915->drm, sizeof(*irq_lock), GFP_KERNEL); + if (!irq_lock) return -ENOMEM; - } gt->uncore = uncore; - gt->uncore->debug = mmio_debug; + gt->irq_lock = irq_lock; - __intel_gt_init_early(gt); + intel_gt_common_init_early(gt); } intel_uncore_init_early(gt->uncore, gt); + intel_wakeref_auto_init(>->userfault_wakeref, gt->uncore->rpm); ret = intel_uncore_setup_mmio(gt->uncore, phys_addr); if (ret) @@ -811,24 +818,14 @@ static int intel_gt_tile_setup(struct intel_gt *gt, phys_addr_t phys_addr) return 0; } -static void -intel_gt_tile_cleanup(struct intel_gt *gt) -{ - intel_uncore_cleanup_mmio(gt->uncore); - - if (!gt_is_root(gt)) { - kfree(gt->uncore->debug); - kfree(gt->uncore); - kfree(gt); - } -} - int intel_gt_probe_all(struct drm_i915_private *i915) { struct pci_dev *pdev = to_pci_dev(i915->drm.dev); struct intel_gt *gt = &i915->gt0; + const struct intel_gt_definition *gtdef; phys_addr_t phys_addr; unsigned int mmio_bar; + unsigned int i; int ret; mmio_bar = GRAPHICS_VER(i915) == 2 ? GEN2_GTTMMADR_BAR : GTTMMADR_BAR; @@ -839,14 +836,74 @@ int intel_gt_probe_all(struct drm_i915_private *i915) * and it has been already initialized early during probe * in i915_driver_probe() */ + gt->i915 = i915; + gt->name = "Primary GT"; + gt->info.engine_mask = RUNTIME_INFO(i915)->platform_engine_mask; + + drm_dbg(&i915->drm, "Setting up %s\n", gt->name); ret = intel_gt_tile_setup(gt, phys_addr); if (ret) return ret; i915->gt[0] = gt; - /* TODO: add more tiles */ + if (!HAS_EXTRA_GT_LIST(i915)) + return 0; + + for (i = 1, gtdef = &INTEL_INFO(i915)->extra_gt_list[i - 1]; + gtdef->name != NULL; + i++, gtdef = &INTEL_INFO(i915)->extra_gt_list[i - 1]) { + gt = drmm_kzalloc(&i915->drm, sizeof(*gt), GFP_KERNEL); + if (!gt) { + ret = -ENOMEM; + goto err; + } + + gt->i915 = i915; + gt->name = gtdef->name; + gt->type = gtdef->type; + gt->info.engine_mask = gtdef->engine_mask; + gt->info.id = i; + + drm_dbg(&i915->drm, "Setting up %s\n", gt->name); + if (GEM_WARN_ON(range_overflows_t(resource_size_t, + gtdef->mapping_base, + SZ_16M, + pci_resource_len(pdev, mmio_bar)))) { + ret = -ENODEV; + goto err; + } + + switch (gtdef->type) { + case GT_TILE: + ret = intel_gt_tile_setup(gt, phys_addr + gtdef->mapping_base); + break; + + case GT_MEDIA: + ret = intel_sa_mediagt_setup(gt, phys_addr + gtdef->mapping_base, + gtdef->gsi_offset); + break; + + case GT_PRIMARY: + /* Primary GT should not appear in extra GT list */ + default: + MISSING_CASE(gtdef->type); + ret = -ENODEV; + } + + if (ret) + goto err; + + i915->gt[i] = gt; + } + return 0; + +err: + i915_probe_error(i915, "Failed to initialize %s! (%d)\n", gtdef->name, ret); + intel_gt_release_all(i915); + + return ret; } int intel_gt_tiles_init(struct drm_i915_private *i915) @@ -869,10 +926,8 @@ void intel_gt_release_all(struct drm_i915_private *i915) struct intel_gt *gt; unsigned int id; - for_each_gt(gt, i915, id) { - intel_gt_tile_cleanup(gt); + for_each_gt(gt, i915, id) i915->gt[id] = NULL; - } } void intel_gt_info_print(const struct intel_gt_info *info, |