diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 93 |
1 files changed, 81 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c index 3a16d08608a5..3aa87be4f2e4 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c @@ -7,6 +7,7 @@ #include <linux/firmware.h> #include <drm/drm_print.h> +#include "gem/i915_gem_lmem.h" #include "intel_uc_fw.h" #include "intel_uc_fw_abi.h" #include "i915_drv.h" @@ -50,6 +51,7 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw, #define INTEL_UC_FIRMWARE_DEFS(fw_def, guc_def, huc_def) \ fw_def(ALDERLAKE_P, 0, guc_def(adlp, 62, 0, 3), huc_def(tgl, 7, 9, 3)) \ fw_def(ALDERLAKE_S, 0, guc_def(tgl, 62, 0, 0), huc_def(tgl, 7, 9, 3)) \ + fw_def(DG1, 0, guc_def(dg1, 62, 0, 0), huc_def(dg1, 7, 9, 3)) \ fw_def(ROCKETLAKE, 0, guc_def(tgl, 62, 0, 0), huc_def(tgl, 7, 9, 3)) \ fw_def(TIGERLAKE, 0, guc_def(tgl, 62, 0, 0), huc_def(tgl, 7, 9, 3)) \ fw_def(JASPERLAKE, 0, guc_def(ehl, 62, 0, 0), huc_def(ehl, 9, 0, 0)) \ @@ -370,7 +372,14 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw) if (uc_fw->type == INTEL_UC_FW_TYPE_GUC) uc_fw->private_data_size = css->private_data_size; - obj = i915_gem_object_create_shmem_from_data(i915, fw->data, fw->size); + if (HAS_LMEM(i915)) { + obj = i915_gem_object_create_lmem_from_data(i915, fw->data, fw->size); + if (!IS_ERR(obj)) + obj->flags |= I915_BO_ALLOC_PM_EARLY; + } else { + obj = i915_gem_object_create_shmem_from_data(i915, fw->data, fw->size); + } + if (IS_ERR(obj)) { err = PTR_ERR(obj); goto fail; @@ -413,20 +422,25 @@ static void uc_fw_bind_ggtt(struct intel_uc_fw *uc_fw) { struct drm_i915_gem_object *obj = uc_fw->obj; struct i915_ggtt *ggtt = __uc_fw_to_gt(uc_fw)->ggtt; - struct i915_vma dummy = { - .node.start = uc_fw_ggtt_offset(uc_fw), - .node.size = obj->base.size, - .pages = obj->mm.pages, - .vm = &ggtt->vm, - }; + struct i915_vma *dummy = &uc_fw->dummy; + u32 pte_flags = 0; + + dummy->node.start = uc_fw_ggtt_offset(uc_fw); + dummy->node.size = obj->base.size; + dummy->pages = obj->mm.pages; + dummy->vm = &ggtt->vm; GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj)); - GEM_BUG_ON(dummy.node.size > ggtt->uc_fw.size); + GEM_BUG_ON(dummy->node.size > ggtt->uc_fw.size); /* uc_fw->obj cache domains were not controlled across suspend */ - drm_clflush_sg(dummy.pages); + if (i915_gem_object_has_struct_page(obj)) + drm_clflush_sg(dummy->pages); - ggtt->vm.insert_entries(&ggtt->vm, &dummy, I915_CACHE_NONE, 0); + if (i915_gem_object_is_lmem(obj)) + pte_flags |= PTE_LM; + + ggtt->vm.insert_entries(&ggtt->vm, dummy, I915_CACHE_NONE, pte_flags); } static void uc_fw_unbind_ggtt(struct intel_uc_fw *uc_fw) @@ -585,13 +599,68 @@ void intel_uc_fw_cleanup_fetch(struct intel_uc_fw *uc_fw) */ size_t intel_uc_fw_copy_rsa(struct intel_uc_fw *uc_fw, void *dst, u32 max_len) { - struct sg_table *pages = uc_fw->obj->mm.pages; + struct intel_memory_region *mr = uc_fw->obj->mm.region; u32 size = min_t(u32, uc_fw->rsa_size, max_len); u32 offset = sizeof(struct uc_css_header) + uc_fw->ucode_size; + struct sgt_iter iter; + size_t count = 0; + int idx; + /* Called during reset handling, must be atomic [no fs_reclaim] */ GEM_BUG_ON(!intel_uc_fw_is_available(uc_fw)); - return sg_pcopy_to_buffer(pages->sgl, pages->nents, dst, size, offset); + idx = offset >> PAGE_SHIFT; + offset = offset_in_page(offset); + if (i915_gem_object_has_struct_page(uc_fw->obj)) { + struct page *page; + + for_each_sgt_page(page, iter, uc_fw->obj->mm.pages) { + u32 len = min_t(u32, size, PAGE_SIZE - offset); + void *vaddr; + + if (idx > 0) { + idx--; + continue; + } + + vaddr = kmap_atomic(page); + memcpy(dst, vaddr + offset, len); + kunmap_atomic(vaddr); + + offset = 0; + dst += len; + size -= len; + count += len; + if (!size) + break; + } + } else { + dma_addr_t addr; + + for_each_sgt_daddr(addr, iter, uc_fw->obj->mm.pages) { + u32 len = min_t(u32, size, PAGE_SIZE - offset); + void __iomem *vaddr; + + if (idx > 0) { + idx--; + continue; + } + + vaddr = io_mapping_map_atomic_wc(&mr->iomap, + addr - mr->region.start); + memcpy_fromio(dst, vaddr + offset, len); + io_mapping_unmap_atomic(vaddr); + + offset = 0; + dst += len; + size -= len; + count += len; + if (!size) + break; + } + } + + return count; } /** |