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126 lines
4.7 KiB
Diff
126 lines
4.7 KiB
Diff
From 2a5a3ab8cf45c868fa158fb2766f7a9707d187b0 Mon Sep 17 00:00:00 2001
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From: Lima Project Developers <dri-devel@lists.freedesktop.org>
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Date: Wed, 16 May 2018 10:38:28 +0800
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Subject: [PATCH 057/146] drm/lima: add GEM Prime related functions
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Signed-off-by: Qiang Yu <yuq825@gmail.com>
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Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
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---
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drivers/gpu/drm/lima/lima_gem_prime.c | 66 +++++++++++++++++++++++++++
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drivers/gpu/drm/lima/lima_gem_prime.h | 31 +++++++++++++
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2 files changed, 97 insertions(+)
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create mode 100644 drivers/gpu/drm/lima/lima_gem_prime.c
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create mode 100644 drivers/gpu/drm/lima/lima_gem_prime.h
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diff --git a/drivers/gpu/drm/lima/lima_gem_prime.c b/drivers/gpu/drm/lima/lima_gem_prime.c
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new file mode 100644
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index 000000000000..74da43a4378f
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--- /dev/null
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+++ b/drivers/gpu/drm/lima/lima_gem_prime.c
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@@ -0,0 +1,66 @@
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+/*
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+ * Copyright (C) 2017-2018 Lima Project
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a
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+ * copy of this software and associated documentation files (the "Software"),
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+ * to deal in the Software without restriction, including without limitation
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+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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+ * and/or sell copies of the Software, and to permit persons to whom the
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+ * Software is furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+ * OTHER DEALINGS IN THE SOFTWARE.
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+ */
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+
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+#include <linux/dma-buf.h>
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+#include <drm/drm_prime.h>
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+
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+#include "lima_device.h"
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+#include "lima_object.h"
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+#include "lima_gem_prime.h"
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+
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+struct drm_gem_object *lima_gem_prime_import_sg_table(
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+ struct drm_device *dev, struct dma_buf_attachment *attach,
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+ struct sg_table *sgt)
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+{
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+ struct reservation_object *resv = attach->dmabuf->resv;
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+ struct lima_device *ldev = to_lima_dev(dev);
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+ struct lima_bo *bo;
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+
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+ ww_mutex_lock(&resv->lock, NULL);
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+
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+ bo = lima_bo_create(ldev, attach->dmabuf->size, 0,
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+ ttm_bo_type_sg, sgt, resv);
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+ if (IS_ERR(bo))
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+ goto err_out;
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+
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+ ww_mutex_unlock(&resv->lock);
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+ return &bo->gem;
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+
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+err_out:
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+ ww_mutex_unlock(&resv->lock);
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+ return (void *)bo;
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+}
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+
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+struct reservation_object *lima_gem_prime_res_obj(struct drm_gem_object *obj)
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+{
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+ struct lima_bo *bo = to_lima_bo(obj);
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+
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+ return bo->tbo.resv;
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+}
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+
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+struct sg_table *lima_gem_prime_get_sg_table(struct drm_gem_object *obj)
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+{
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+ struct lima_bo *bo = to_lima_bo(obj);
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+ int npages = bo->tbo.num_pages;
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+
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+ return drm_prime_pages_to_sg(bo->tbo.ttm->pages, npages);
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+}
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diff --git a/drivers/gpu/drm/lima/lima_gem_prime.h b/drivers/gpu/drm/lima/lima_gem_prime.h
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new file mode 100644
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index 000000000000..023bf5ba2d7b
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--- /dev/null
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+++ b/drivers/gpu/drm/lima/lima_gem_prime.h
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@@ -0,0 +1,31 @@
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+/*
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+ * Copyright (C) 2017-2018 Lima Project
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a
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+ * copy of this software and associated documentation files (the "Software"),
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+ * to deal in the Software without restriction, including without limitation
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+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
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+ * and/or sell copies of the Software, and to permit persons to whom the
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+ * Software is furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
|
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
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+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+ * OTHER DEALINGS IN THE SOFTWARE.
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+ */
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+#ifndef __LIMA_GEM_PRIME_H__
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+#define __LIMA_GEM_PRIME_H__
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+
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+struct drm_gem_object *lima_gem_prime_import_sg_table(
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+ struct drm_device *dev, struct dma_buf_attachment *attach,
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+ struct sg_table *sgt);
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+struct sg_table *lima_gem_prime_get_sg_table(struct drm_gem_object *obj);
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+struct reservation_object *lima_gem_prime_res_obj(struct drm_gem_object *obj);
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+
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+#endif
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--
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2.17.1
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