diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_debug.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_debug.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_debug.c b/drivers/gpu/drm/ttm/ttm_debug.c new file mode 100644 index 000000000000..ef5f0d090154 --- /dev/null +++ b/drivers/gpu/drm/ttm/ttm_debug.c @@ -0,0 +1,74 @@ +/************************************************************************** + * + * Copyright (c) 2017 Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ +/* + * Authors: Tom St Denis <tom.stdenis@amd.com> + */ +#include <linux/sched.h> +#include <linux/highmem.h> +#include <linux/pagemap.h> +#include <linux/shmem_fs.h> +#include <linux/file.h> +#include <linux/swap.h> +#include <linux/slab.h> +#include <linux/export.h> +#include <drm/drm_cache.h> +#include <drm/ttm/ttm_module.h> +#include <drm/ttm/ttm_bo_driver.h> +#include <drm/ttm/ttm_placement.h> +#include <drm/ttm/ttm_page_alloc.h> +#include "ttm_trace.h" + +void ttm_trace_dma_map(struct device *dev, struct ttm_dma_tt *tt) +{ + unsigned i; + + if (unlikely(trace_ttm_dma_map_enabled())) { + for (i = 0; i < tt->ttm.num_pages; i++) { + trace_ttm_dma_map( + dev, + tt->ttm.pages[i], + tt->dma_address[i]); + } + } +} +EXPORT_SYMBOL(ttm_trace_dma_map); + +void ttm_trace_dma_unmap(struct device *dev, struct ttm_dma_tt *tt) +{ + unsigned i; + + if (unlikely(trace_ttm_dma_unmap_enabled())) { + for (i = 0; i < tt->ttm.num_pages; i++) { + trace_ttm_dma_unmap( + dev, + tt->ttm.pages[i], + tt->dma_address[i]); + } + } +} +EXPORT_SYMBOL(ttm_trace_dma_unmap); + |