drm/ttm: Add DMA map/unmap tracepoint (v3) (a92e1450) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/gpu/drm/ttm/Makefile

+2 −1

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		#
		# Makefile for the drm device driver. This driver provides support for the

		ccflags-y := -I$(src)/.
		ttm-y := ttm_memory.o ttm_tt.o ttm_bo.o \
		ttm_bo_util.o ttm_bo_vm.o ttm_module.o \
		ttm_object.o ttm_lock.o ttm_execbuf_util.o ttm_page_alloc.o \
		ttm_bo_manager.o ttm_page_alloc_dma.o
		ttm_bo_manager.o ttm_page_alloc_dma.o ttm_debug.o ttm_tracepoints.o
		ttm-$(CONFIG_AGP) += ttm_agp_backend.o

		obj-$(CONFIG_DRM_TTM) += ttm.o

drivers/gpu/drm/ttm/ttm_debug.c

0 → 100644

+74 −0

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		/**************************************************************************
		*
		* 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);

drivers/gpu/drm/ttm/ttm_trace.h

0 → 100644

+87 −0

Original line number	Diff line number	Diff line
		/**************************************************************************
		*
		* 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>
		*/
		#if !defined(_TTM_TRACE_H) \|\| defined(TRACE_HEADER_MULTI_READ)
		#define _TTM_TRACE_H_

		#include <linux/stringify.h>
		#include <linux/types.h>
		#include <linux/tracepoint.h>

		#include <drm/drmP.h>

		#undef TRACE_SYSTEM
		#define TRACE_SYSTEM ttm
		#define TRACE_INCLUDE_FILE ttm_trace

		TRACE_EVENT(ttm_dma_map,
		TP_PROTO(struct device dev, struct page page, dma_addr_t dma_address),
		TP_ARGS(dev, page, dma_address),
		TP_STRUCT__entry(
		__string(device, dev_name(dev))
		__field(dma_addr_t, dma)
		__field(phys_addr_t, phys)
		),
		TP_fast_assign(
		__assign_str(device, dev_name(dev));
		__entry->dma = dma_address;
		__entry->phys = page_to_phys(page);
		),
		TP_printk("%s: %pad => %pa",
		__get_str(device),
		&__entry->dma,
		&__entry->phys)
		);

		TRACE_EVENT(ttm_dma_unmap,
		TP_PROTO(struct device dev, struct page page, dma_addr_t dma_address),
		TP_ARGS(dev, page, dma_address),
		TP_STRUCT__entry(
		__string(device, dev_name(dev))
		__field(dma_addr_t, dma)
		__field(phys_addr_t, phys)
		),
		TP_fast_assign(
		__assign_str(device, dev_name(dev));
		__entry->dma = dma_address;
		__entry->phys = page_to_phys(page);
		),
		TP_printk("%s: %pad => %pa",
		__get_str(device),
		&__entry->dma,
		&__entry->phys)
		);

		#endif

		/* This part must be outside protection */
		#undef TRACE_INCLUDE_PATH
		#define TRACE_INCLUDE_PATH .
		#include <trace/define_trace.h>

drivers/gpu/drm/ttm/ttm_tracepoints.c

0 → 100644

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		/**************************************************************************
		*
		* 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>

		#define CREATE_TRACE_POINTS
		#include "ttm_trace.h"

include/drm/ttm/ttm_debug.h

0 → 100644

+31 −0

Original line number	Diff line number	Diff line
		/**************************************************************************
		*
		* 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>
		*/
		extern void ttm_trace_dma_map(struct device dev, struct ttm_dma_tt tt);
		extern void ttm_trace_dma_unmap(struct device dev, struct ttm_dma_tt tt);