mirror of https://gitee.com/openkylin/linux.git
drm/exynos: Use .dumb_map_offset and .dumb_destroy defaults
This driver can use the drm_driver.dumb_destroy and drm_driver.dumb_map_offset defaults, so no need to set them. Use drm_gem_dumb_map_offset() in exynos_drm_gem_map_ioctl() and remove exynos_drm_gem_dumb_map_offset(). Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: Seung-Woo Kim <sw0312.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/1502034068-51384-14-git-send-email-noralf@tronnes.org
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@ -145,8 +145,6 @@ static struct drm_driver exynos_drm_driver = {
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.gem_free_object_unlocked = exynos_drm_gem_free_object,
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.gem_vm_ops = &exynos_drm_gem_vm_ops,
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.dumb_create = exynos_drm_gem_dumb_create,
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.dumb_map_offset = exynos_drm_gem_dumb_map_offset,
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.dumb_destroy = drm_gem_dumb_destroy,
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.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
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.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
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.gem_prime_export = drm_gem_prime_export,
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@ -286,7 +286,7 @@ int exynos_drm_gem_map_ioctl(struct drm_device *dev, void *data,
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{
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struct drm_exynos_gem_map *args = data;
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return exynos_drm_gem_dumb_map_offset(file_priv, dev, args->handle,
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return drm_gem_dumb_map_offset(file_priv, dev, args->handle,
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&args->offset);
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}
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@ -422,32 +422,6 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
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return 0;
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}
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int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv,
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struct drm_device *dev, uint32_t handle,
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uint64_t *offset)
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{
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struct drm_gem_object *obj;
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int ret = 0;
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/*
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* get offset of memory allocated for drm framebuffer.
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* - this callback would be called by user application
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* with DRM_IOCTL_MODE_MAP_DUMB command.
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*/
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obj = drm_gem_object_lookup(file_priv, handle);
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if (!obj) {
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DRM_ERROR("failed to lookup gem object.\n");
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return -EINVAL;
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}
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*offset = drm_vma_node_offset_addr(&obj->vma_node);
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DRM_DEBUG_KMS("offset = 0x%lx\n", (unsigned long)*offset);
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drm_gem_object_unreference_unlocked(obj);
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return ret;
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}
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int exynos_drm_gem_fault(struct vm_fault *vmf)
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{
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struct vm_area_struct *vma = vmf->vma;
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@ -110,11 +110,6 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
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struct drm_device *dev,
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struct drm_mode_create_dumb *args);
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/* map memory region for drm framebuffer to user space. */
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int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv,
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struct drm_device *dev, uint32_t handle,
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uint64_t *offset);
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/* page fault handler and mmap fault address(virtual) to physical memory. */
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int exynos_drm_gem_fault(struct vm_fault *vmf);
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