diff options
Diffstat (limited to 'drivers/gpu/drm/xe/compat-i915-headers/gem')
4 files changed, 94 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_lmem.h b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_lmem.h new file mode 100644 index 000000000..710cecca9 --- /dev/null +++ b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_lmem.h @@ -0,0 +1 @@ +/* Empty */ diff --git a/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_mman.h b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_mman.h new file mode 100644 index 000000000..650ea2803 --- /dev/null +++ b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_mman.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2023 Intel Corporation + */ + +#ifndef _I915_GEM_MMAN_H_ +#define _I915_GEM_MMAN_H_ + +#include "xe_bo_types.h" +#include <drm/drm_prime.h> + +static inline int i915_gem_fb_mmap(struct xe_bo *bo, struct vm_area_struct *vma) +{ + return drm_gem_prime_mmap(&bo->ttm.base, vma); +} + +#endif diff --git a/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h new file mode 100644 index 000000000..777c20cea --- /dev/null +++ b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ + +#ifndef _I915_GEM_OBJECT_H_ +#define _I915_GEM_OBJECT_H_ + +#include <linux/types.h> + +#include "xe_bo.h" + +#define i915_gem_object_is_shmem(obj) (0) /* We don't use shmem */ + +static inline dma_addr_t i915_gem_object_get_dma_address(const struct xe_bo *bo, pgoff_t n) +{ + /* Should never be called */ + WARN_ON(1); + return n; +} + +static inline bool i915_gem_object_is_tiled(const struct xe_bo *bo) +{ + /* legacy tiling is unused */ + return false; +} + +static inline bool i915_gem_object_is_userptr(const struct xe_bo *bo) +{ + /* legacy tiling is unused */ + return false; +} + +static inline int i915_gem_object_read_from_page(struct xe_bo *bo, + u32 ofs, u64 *ptr, u32 size) +{ + struct ttm_bo_kmap_obj map; + void *src; + bool is_iomem; + int ret; + + ret = xe_bo_lock(bo, true); + if (ret) + return ret; + + ret = ttm_bo_kmap(&bo->ttm, ofs >> PAGE_SHIFT, 1, &map); + if (ret) + goto out_unlock; + + ofs &= ~PAGE_MASK; + src = ttm_kmap_obj_virtual(&map, &is_iomem); + src += ofs; + if (is_iomem) + memcpy_fromio(ptr, (void __iomem *)src, size); + else + memcpy(ptr, src, size); + + ttm_bo_kunmap(&map); +out_unlock: + xe_bo_unlock(bo); + return ret; +} + +#endif diff --git a/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object_frontbuffer.h b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object_frontbuffer.h new file mode 100644 index 000000000..2a3f12d29 --- /dev/null +++ b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object_frontbuffer.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ + +#ifndef _I915_GEM_OBJECT_FRONTBUFFER_H_ +#define _I915_GEM_OBJECT_FRONTBUFFER_H_ + +#define i915_gem_object_get_frontbuffer(obj) NULL +#define i915_gem_object_set_frontbuffer(obj, front) (front) + +#endif |