For symmetry with a forthcoming i915_gem_object_get() and i915_gem_object_put(). Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Link: http://patchwork.freedesktop.org/patch/msgid/1469005202-9659-4-git-send-email-chris@xxxxxxxxxxxxxxxxxx Reviewed-by: Dave Gordon <david.s.gordon@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_drv.h | 20 +++++++++++- drivers/gpu/drm/i915/i915_gem.c | 58 +++++++++++++++++----------------- drivers/gpu/drm/i915/i915_gem_tiling.c | 8 ++--- drivers/gpu/drm/i915/intel_display.c | 4 +-- drivers/gpu/drm/i915/intel_overlay.c | 5 ++- 5 files changed, 56 insertions(+), 39 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 2131e7f1e57a..47f244f9c64e 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2286,7 +2286,25 @@ struct drm_i915_gem_object { } userptr; }; }; -#define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base) + +static inline struct drm_i915_gem_object * +to_intel_bo(struct drm_gem_object *gem) +{ + /* Assert that to_intel_bo(NULL) == NULL */ + BUILD_BUG_ON(offsetof(struct drm_i915_gem_object, base)); + + return container_of(gem, struct drm_i915_gem_object, base); +} + +static inline struct drm_i915_gem_object * +i915_gem_object_lookup(struct drm_file *file, u32 handle) +{ + return to_intel_bo(drm_gem_object_lookup(file, handle)); +} + +__deprecated +extern struct drm_gem_object * +drm_gem_object_lookup(struct drm_file *file, u32 handle); static inline bool i915_gem_object_has_struct_page(const struct drm_i915_gem_object *obj) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index d825db7b763d..970496419098 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -864,8 +864,8 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data, if (ret) return ret; - obj = to_intel_bo(drm_gem_object_lookup(file, args->handle)); - if (&obj->base == NULL) { + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) { ret = -ENOENT; goto unlock; } @@ -1280,8 +1280,8 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, if (ret) goto put_rpm; - obj = to_intel_bo(drm_gem_object_lookup(file, args->handle)); - if (&obj->base == NULL) { + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) { ret = -ENOENT; goto unlock; } @@ -1497,8 +1497,8 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, if (ret) return ret; - obj = to_intel_bo(drm_gem_object_lookup(file, args->handle)); - if (&obj->base == NULL) { + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) { ret = -ENOENT; goto unlock; } @@ -1546,8 +1546,8 @@ i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data, if (ret) return ret; - obj = to_intel_bo(drm_gem_object_lookup(file, args->handle)); - if (&obj->base == NULL) { + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) { ret = -ENOENT; goto unlock; } @@ -1587,7 +1587,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file) { struct drm_i915_gem_mmap *args = data; - struct drm_gem_object *obj; + struct drm_i915_gem_object *obj; unsigned long addr; if (args->flags & ~(I915_MMAP_WC)) @@ -1596,19 +1596,19 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, if (args->flags & I915_MMAP_WC && !boot_cpu_has(X86_FEATURE_PAT)) return -ENODEV; - obj = drm_gem_object_lookup(file, args->handle); - if (obj == NULL) + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) return -ENOENT; /* prime objects have no backing filp to GEM mmap * pages from. */ - if (!obj->filp) { - drm_gem_object_unreference_unlocked(obj); + if (!obj->base.filp) { + drm_gem_object_unreference_unlocked(&obj->base); return -EINVAL; } - addr = vm_mmap(obj->filp, 0, args->size, + addr = vm_mmap(obj->base.filp, 0, args->size, PROT_READ | PROT_WRITE, MAP_SHARED, args->offset); if (args->flags & I915_MMAP_WC) { @@ -1616,7 +1616,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, struct vm_area_struct *vma; if (down_write_killable(&mm->mmap_sem)) { - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_unreference_unlocked(&obj->base); return -EINTR; } vma = find_vma(mm, addr); @@ -1628,9 +1628,9 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, up_write(&mm->mmap_sem); /* This may race, but that's ok, it only gets set */ - WRITE_ONCE(to_intel_bo(obj)->has_wc_mmap, true); + WRITE_ONCE(obj->has_wc_mmap, true); } - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_unreference_unlocked(&obj->base); if (IS_ERR((void *)addr)) return addr; @@ -1968,8 +1968,8 @@ i915_gem_mmap_gtt(struct drm_file *file, if (ret) return ret; - obj = to_intel_bo(drm_gem_object_lookup(file, handle)); - if (&obj->base == NULL) { + obj = i915_gem_object_lookup(file, handle); + if (!obj) { ret = -ENOENT; goto unlock; } @@ -2792,8 +2792,8 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file) if (ret) return ret; - obj = to_intel_bo(drm_gem_object_lookup(file, args->bo_handle)); - if (&obj->base == NULL) { + obj = i915_gem_object_lookup(file, args->bo_handle); + if (!obj) { mutex_unlock(&dev->struct_mutex); return -ENOENT; } @@ -3596,8 +3596,8 @@ int i915_gem_get_caching_ioctl(struct drm_device *dev, void *data, struct drm_i915_gem_caching *args = data; struct drm_i915_gem_object *obj; - obj = to_intel_bo(drm_gem_object_lookup(file, args->handle)); - if (&obj->base == NULL) + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) return -ENOENT; switch (obj->cache_level) { @@ -3657,8 +3657,8 @@ int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data, if (ret) goto rpm_put; - obj = to_intel_bo(drm_gem_object_lookup(file, args->handle)); - if (&obj->base == NULL) { + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) { ret = -ENOENT; goto unlock; } @@ -4026,8 +4026,8 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data, if (ret) return ret; - obj = to_intel_bo(drm_gem_object_lookup(file, args->handle)); - if (&obj->base == NULL) { + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) { ret = -ENOENT; goto unlock; } @@ -4091,8 +4091,8 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data, if (ret) return ret; - obj = to_intel_bo(drm_gem_object_lookup(file_priv, args->handle)); - if (&obj->base == NULL) { + obj = i915_gem_object_lookup(file_priv, args->handle); + if (!obj) { ret = -ENOENT; goto unlock; } diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index 8030199731db..46e80f30afcd 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -166,8 +166,8 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, struct drm_i915_gem_object *obj; int ret = 0; - obj = to_intel_bo(drm_gem_object_lookup(file, args->handle)); - if (&obj->base == NULL) + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) return -ENOENT; if (!i915_tiling_ok(dev, @@ -297,8 +297,8 @@ i915_gem_get_tiling(struct drm_device *dev, void *data, struct drm_i915_private *dev_priv = to_i915(dev); struct drm_i915_gem_object *obj; - obj = to_intel_bo(drm_gem_object_lookup(file, args->handle)); - if (&obj->base == NULL) + obj = i915_gem_object_lookup(file, args->handle); + if (!obj) return -ENOENT; mutex_lock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 2f7af855a585..77d320584478 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15089,8 +15089,8 @@ intel_user_framebuffer_create(struct drm_device *dev, struct drm_i915_gem_object *obj; struct drm_mode_fb_cmd2 mode_cmd = *user_mode_cmd; - obj = to_intel_bo(drm_gem_object_lookup(filp, mode_cmd.handles[0])); - if (&obj->base == NULL) + obj = i915_gem_object_lookup(filp, mode_cmd.handles[0]); + if (!obj) return ERR_PTR(-ENOENT); fb = intel_framebuffer_create(dev, &mode_cmd, obj); diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index 3212d8806b5a..5ca797b01ccb 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -1122,9 +1122,8 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data, } crtc = to_intel_crtc(drmmode_crtc); - new_bo = to_intel_bo(drm_gem_object_lookup(file_priv, - put_image_rec->bo_handle)); - if (&new_bo->base == NULL) { + new_bo = i915_gem_object_lookup(file_priv, put_image_rec->bo_handle); + if (!new_bo) { ret = -ENOENT; goto out_free; } -- 2.8.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
