drm/gem-shmem: Test for imported buffers with drm_gem_is_imported()

Instead of testing import_attach for imported GEM buffers, invoke
drm_gem_is_imported() to do the test.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Anusha Srivatsa <asrivats@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250226172457.217725-5-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 5ab351409312b5a0de542df2b636278d6186cb7b..7722cd720248f2be598dd381bc1541c14049bd76 100644 (file)
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -160,7 +160,7 @@ void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem)
 {
        struct drm_gem_object *obj = &shmem->base;
 
-       if (obj->import_attach) {
+       if (drm_gem_is_imported(obj)) {
                drm_prime_gem_destroy(obj, shmem->sgt);
        } else {
                dma_resv_lock(shmem->base.resv, NULL);
@@ -255,7 +255,7 @@ int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem)
 
        dma_resv_assert_held(shmem->base.resv);
 
-       drm_WARN_ON(shmem->base.dev, shmem->base.import_attach);
+       drm_WARN_ON(shmem->base.dev, drm_gem_is_imported(&shmem->base));
 
        ret = drm_gem_shmem_get_pages(shmem);
 
@@ -286,7 +286,7 @@ int drm_gem_shmem_pin(struct drm_gem_shmem_object *shmem)
        struct drm_gem_object *obj = &shmem->base;
        int ret;
 
-       drm_WARN_ON(obj->dev, obj->import_attach);
+       drm_WARN_ON(obj->dev, drm_gem_is_imported(obj));
 
        ret = dma_resv_lock_interruptible(shmem->base.resv, NULL);
        if (ret)
@@ -309,7 +309,7 @@ void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem)
 {
        struct drm_gem_object *obj = &shmem->base;
 
-       drm_WARN_ON(obj->dev, obj->import_attach);
+       drm_WARN_ON(obj->dev, drm_gem_is_imported(obj));
 
        dma_resv_lock(shmem->base.resv, NULL);
        drm_gem_shmem_unpin_locked(shmem);
@@ -338,7 +338,7 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
        struct drm_gem_object *obj = &shmem->base;
        int ret = 0;
 
-       if (obj->import_attach) {
+       if (drm_gem_is_imported(obj)) {
                ret = dma_buf_vmap(obj->import_attach->dmabuf, map);
                if (!ret) {
                        if (drm_WARN_ON(obj->dev, map->is_iomem)) {
@@ -378,7 +378,7 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
        return 0;
 
 err_put_pages:
-       if (!obj->import_attach)
+       if (!drm_gem_is_imported(obj))
                drm_gem_shmem_put_pages(shmem);
 err_zero_use:
        shmem->vmap_use_count = 0;
@@ -404,7 +404,7 @@ void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem,
 {
        struct drm_gem_object *obj = &shmem->base;
 
-       if (obj->import_attach) {
+       if (drm_gem_is_imported(obj)) {
                dma_buf_vunmap(obj->import_attach->dmabuf, map);
        } else {
                dma_resv_assert_held(shmem->base.resv);
@@ -566,7 +566,7 @@ static void drm_gem_shmem_vm_open(struct vm_area_struct *vma)
        struct drm_gem_object *obj = vma->vm_private_data;
        struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
 
-       drm_WARN_ON(obj->dev, obj->import_attach);
+       drm_WARN_ON(obj->dev, drm_gem_is_imported(obj));
 
        dma_resv_lock(shmem->base.resv, NULL);
 
@@ -618,7 +618,7 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
        struct drm_gem_object *obj = &shmem->base;
        int ret;
 
-       if (obj->import_attach) {
+       if (drm_gem_is_imported(obj)) {
                /* Reset both vm_ops and vm_private_data, so we don't end up with
                 * vm_ops pointing to our implementation if the dma-buf backend
                 * doesn't set those fields.
@@ -663,7 +663,7 @@ EXPORT_SYMBOL_GPL(drm_gem_shmem_mmap);
 void drm_gem_shmem_print_info(const struct drm_gem_shmem_object *shmem,
                              struct drm_printer *p, unsigned int indent)
 {
-       if (shmem->base.import_attach)
+       if (drm_gem_is_imported(&shmem->base))
                return;
 
        drm_printf_indent(p, indent, "pages_use_count=%u\n", shmem->pages_use_count);
@@ -690,7 +690,7 @@ struct sg_table *drm_gem_shmem_get_sg_table(struct drm_gem_shmem_object *shmem)
 {
        struct drm_gem_object *obj = &shmem->base;
 
-       drm_WARN_ON(obj->dev, obj->import_attach);
+       drm_WARN_ON(obj->dev, drm_gem_is_imported(obj));
 
        return drm_prime_pages_to_sg(obj->dev, shmem->pages, obj->size >> PAGE_SHIFT);
 }
@@ -705,7 +705,7 @@ static struct sg_table *drm_gem_shmem_get_pages_sgt_locked(struct drm_gem_shmem_
        if (shmem->sgt)
                return shmem->sgt;
 
-       drm_WARN_ON(obj->dev, obj->import_attach);
+       drm_WARN_ON(obj->dev, drm_gem_is_imported(obj));
 
        ret = drm_gem_shmem_get_pages(shmem);
        if (ret)

diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index d22e3fb53631ab655748d7f6c628ffdb402f6324..cef5a6b5a4d63c405ffe1566199cd54c458eb44b 100644 (file)
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -120,7 +120,7 @@ static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem
 {
        return (shmem->madv > 0) &&
                !shmem->vmap_use_count && shmem->sgt &&
-               !shmem->base.dma_buf && !shmem->base.import_attach;
+               !shmem->base.dma_buf && !drm_gem_is_imported(&shmem->base);
 }
 
 void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem);