From: Lima Project Developers <dri-devel@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Qiang Yu <yuq825@xxxxxxxxx>
Signed-off-by: Erico Nunes <nunes.erico@xxxxxxxxx>
---
drivers/gpu/drm/lima/lima_gem_prime.c | 66 +++++++++++++++++++++++++++
drivers/gpu/drm/lima/lima_gem_prime.h | 31 +++++++++++++
2 files changed, 97 insertions(+)
create mode 100644 drivers/gpu/drm/lima/lima_gem_prime.c
create mode 100644 drivers/gpu/drm/lima/lima_gem_prime.h
diff --git a/drivers/gpu/drm/lima/lima_gem_prime.c b/drivers/gpu/drm/lima/lima_gem_prime.c
new file mode 100644
index 000000000000..74da43a4378f
--- /dev/null
+++ b/drivers/gpu/drm/lima/lima_gem_prime.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2017-2018 Lima Project
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <linux/dma-buf.h>
+#include <drm/drm_prime.h>
+
+#include "lima_device.h"
+#include "lima_object.h"
+#include "lima_gem_prime.h"
+
+struct drm_gem_object *lima_gem_prime_import_sg_table(
+ struct drm_device *dev, struct dma_buf_attachment *attach,
+ struct sg_table *sgt)
+{
+ struct reservation_object *resv = attach->dmabuf->resv;
+ struct lima_device *ldev = to_lima_dev(dev);
+ struct lima_bo *bo;
+
+ ww_mutex_lock(&resv->lock, NULL);
+
+ bo = lima_bo_create(ldev, attach->dmabuf->size, 0,
+ ttm_bo_type_sg, sgt, resv);
+ if (IS_ERR(bo))
+ goto err_out;
+
+ ww_mutex_unlock(&resv->lock);
+ return &bo->gem;
+
+err_out:
+ ww_mutex_unlock(&resv->lock);
+ return (void *)bo;
+}
+
+struct reservation_object *lima_gem_prime_res_obj(struct drm_gem_object *obj)
+{
+ struct lima_bo *bo = to_lima_bo(obj);
+
+ return bo->tbo.resv;
+}
+
+struct sg_table *lima_gem_prime_get_sg_table(struct drm_gem_object *obj)
+{
+ struct lima_bo *bo = to_lima_bo(obj);
+ int npages = bo->tbo.num_pages;
+
+ return drm_prime_pages_to_sg(bo->tbo.ttm->pages, npages);
+}
diff --git a/drivers/gpu/drm/lima/lima_gem_prime.h b/drivers/gpu/drm/lima/lima_gem_prime.h
new file mode 100644
index 000000000000..023bf5ba2d7b
--- /dev/null
+++ b/drivers/gpu/drm/lima/lima_gem_prime.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2017-2018 Lima Project
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __LIMA_GEM_PRIME_H__
+#define __LIMA_GEM_PRIME_H__
+
+struct drm_gem_object *lima_gem_prime_import_sg_table(
+ struct drm_device *dev, struct dma_buf_attachment *attach,
+ struct sg_table *sgt);
+struct sg_table *lima_gem_prime_get_sg_table(struct drm_gem_object *obj);
+struct reservation_object *lima_gem_prime_res_obj(struct drm_gem_object *obj);
+
+#endif
--
2.17.0
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
