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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/msm/msm_gem_prime.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem_prime.c')
-rw-r--r-- | drivers/gpu/drm/msm/msm_gem_prime.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c new file mode 100644 index 0000000000..5f68e31a3e --- /dev/null +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2013 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + */ + +#include <linux/dma-buf.h> + +#include <drm/drm_prime.h> + +#include "msm_drv.h" +#include "msm_gem.h" + +struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj) +{ + struct msm_gem_object *msm_obj = to_msm_bo(obj); + int npages = obj->size >> PAGE_SHIFT; + + if (WARN_ON(!msm_obj->pages)) /* should have already pinned! */ + return ERR_PTR(-ENOMEM); + + return drm_prime_pages_to_sg(obj->dev, msm_obj->pages, npages); +} + +int msm_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map) +{ + void *vaddr; + + vaddr = msm_gem_get_vaddr(obj); + if (IS_ERR(vaddr)) + return PTR_ERR(vaddr); + iosys_map_set_vaddr(map, vaddr); + + return 0; +} + +void msm_gem_prime_vunmap(struct drm_gem_object *obj, struct iosys_map *map) +{ + msm_gem_put_vaddr(obj); +} + +struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, + struct dma_buf_attachment *attach, struct sg_table *sg) +{ + return msm_gem_import(dev, attach->dmabuf, sg); +} + +int msm_gem_prime_pin(struct drm_gem_object *obj) +{ + if (!obj->import_attach) + msm_gem_pin_pages(obj); + return 0; +} + +void msm_gem_prime_unpin(struct drm_gem_object *obj) +{ + if (!obj->import_attach) + msm_gem_unpin_pages(obj); +} |