diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_prime.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_prime.c | 93 |
1 files changed, 40 insertions, 53 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c index 0d42a46521fc..598b90ac7590 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c @@ -1,7 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT /************************************************************************** * - * Copyright © 2013 VMware, Inc., Palo Alto, CA., USA - * All Rights Reserved. + * Copyright (c) 2013-2024 Broadcom. All Rights Reserved. The term + * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the @@ -31,8 +32,9 @@ */ #include "vmwgfx_drv.h" +#include "vmwgfx_bo.h" +#include "ttm_object.h" #include <linux/dma-buf.h> -#include <drm/ttm/ttm_object.h> /* * DMA-BUF attach- and mapping methods. No need to implement @@ -40,7 +42,6 @@ */ static int vmw_prime_map_attach(struct dma_buf *dma_buf, - struct device *target_dev, struct dma_buf_attachment *attach) { return -ENOSYS; @@ -63,58 +64,12 @@ static void vmw_prime_unmap_dma_buf(struct dma_buf_attachment *attach, { } -static void *vmw_prime_dmabuf_vmap(struct dma_buf *dma_buf) -{ - return NULL; -} - -static void vmw_prime_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr) -{ -} - -static void *vmw_prime_dmabuf_kmap_atomic(struct dma_buf *dma_buf, - unsigned long page_num) -{ - return NULL; -} - -static void vmw_prime_dmabuf_kunmap_atomic(struct dma_buf *dma_buf, - unsigned long page_num, void *addr) -{ - -} -static void *vmw_prime_dmabuf_kmap(struct dma_buf *dma_buf, - unsigned long page_num) -{ - return NULL; -} - -static void vmw_prime_dmabuf_kunmap(struct dma_buf *dma_buf, - unsigned long page_num, void *addr) -{ - -} - -static int vmw_prime_dmabuf_mmap(struct dma_buf *dma_buf, - struct vm_area_struct *vma) -{ - WARN_ONCE(true, "Attempted use of dmabuf mmap. Bad.\n"); - return -ENOSYS; -} - const struct dma_buf_ops vmw_prime_dmabuf_ops = { .attach = vmw_prime_map_attach, .detach = vmw_prime_map_detach, .map_dma_buf = vmw_prime_map_dma_buf, .unmap_dma_buf = vmw_prime_unmap_dma_buf, .release = NULL, - .map = vmw_prime_dmabuf_kmap, - .map_atomic = vmw_prime_dmabuf_kmap_atomic, - .unmap = vmw_prime_dmabuf_kunmap, - .unmap_atomic = vmw_prime_dmabuf_kunmap_atomic, - .mmap = vmw_prime_dmabuf_mmap, - .vmap = vmw_prime_dmabuf_vmap, - .vunmap = vmw_prime_dmabuf_vunmap, }; int vmw_prime_fd_to_handle(struct drm_device *dev, @@ -122,8 +77,12 @@ int vmw_prime_fd_to_handle(struct drm_device *dev, int fd, u32 *handle) { struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; + int ret = ttm_prime_fd_to_handle(tfile, fd, handle); + + if (ret) + ret = drm_gem_prime_fd_to_handle(dev, file_priv, fd, handle); - return ttm_prime_fd_to_handle(tfile, fd, handle); + return ret; } int vmw_prime_handle_to_fd(struct drm_device *dev, @@ -131,7 +90,35 @@ int vmw_prime_handle_to_fd(struct drm_device *dev, uint32_t handle, uint32_t flags, int *prime_fd) { + struct vmw_private *vmw = vmw_priv(dev); struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; - - return ttm_prime_handle_to_fd(tfile, handle, flags, prime_fd); + struct vmw_bo *vbo; + int ret; + int surf_handle; + + if (handle > VMWGFX_NUM_MOB) { + ret = ttm_prime_handle_to_fd(tfile, handle, flags, prime_fd); + } else { + ret = vmw_user_bo_lookup(file_priv, handle, &vbo); + if (ret) + return ret; + if (vbo && vbo->is_dumb) { + ret = drm_gem_prime_handle_to_fd(dev, file_priv, handle, + flags, prime_fd); + } else { + surf_handle = vmw_lookup_surface_handle_for_buffer(vmw, + vbo, + handle); + if (surf_handle > 0) + ret = ttm_prime_handle_to_fd(tfile, surf_handle, + flags, prime_fd); + else + ret = drm_gem_prime_handle_to_fd(dev, file_priv, + handle, flags, + prime_fd); + } + vmw_user_bo_unref(&vbo); + } + + return ret; } |