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	 0cc848a75b
			
		
	
	
		0cc848a75b
		
	
	
	
	
		
			
			Add an usage for submissions independent of implicit sync but still interesting for memory management. v2: cleanup the kerneldoc a bit v3: separate amdgpu changes from this Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20220407085946.744568-10-christian.koenig@amd.com
		
			
				
	
	
		
			126 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			126 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2009 Red Hat <bskeggs@redhat.com>
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining
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|  * a copy of this software and associated documentation files (the
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|  * "Software"), to deal in the Software without restriction, including
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|  * without limitation the rights to use, copy, modify, merge, publish,
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|  * distribute, sublicense, and/or sell copies of the Software, and to
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|  * permit persons to whom the Software is furnished to do so, subject to
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|  * the following conditions:
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|  *
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|  * The above copyright notice and this permission notice (including the
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|  * next paragraph) shall be included in all copies or substantial
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|  * portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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|  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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|  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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|  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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|  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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|  *
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|  */
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| 
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| /*
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|  * Authors:
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|  *  Alon Levy <alevy@redhat.com>
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|  */
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| 
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| #include <drm/drm_debugfs.h>
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| #include <drm/drm_file.h>
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| 
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| #include "qxl_drv.h"
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| #include "qxl_object.h"
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| 
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| #if defined(CONFIG_DEBUG_FS)
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| static int
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| qxl_debugfs_irq_received(struct seq_file *m, void *data)
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| {
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| 	struct drm_info_node *node = (struct drm_info_node *) m->private;
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| 	struct qxl_device *qdev = to_qxl(node->minor->dev);
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| 
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| 	seq_printf(m, "%d\n", atomic_read(&qdev->irq_received));
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| 	seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display));
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| 	seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor));
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| 	seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd));
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| 	seq_printf(m, "%d\n", qdev->irq_received_error);
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| 	return 0;
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| }
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| 
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| static int
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| qxl_debugfs_buffers_info(struct seq_file *m, void *data)
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| {
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| 	struct drm_info_node *node = (struct drm_info_node *) m->private;
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| 	struct qxl_device *qdev = to_qxl(node->minor->dev);
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| 	struct qxl_bo *bo;
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| 
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| 	list_for_each_entry(bo, &qdev->gem.objects, list) {
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| 		struct dma_resv_iter cursor;
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| 		struct dma_fence *fence;
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| 		int rel = 0;
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| 
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| 		dma_resv_iter_begin(&cursor, bo->tbo.base.resv,
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| 				    DMA_RESV_USAGE_BOOKKEEP);
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| 		dma_resv_for_each_fence_unlocked(&cursor, fence) {
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| 			if (dma_resv_iter_is_restarted(&cursor))
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| 				rel = 0;
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| 			++rel;
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| 		}
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| 
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| 		seq_printf(m, "size %ld, pc %d, num releases %d\n",
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| 			   (unsigned long)bo->tbo.base.size,
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| 			   bo->tbo.pin_count, rel);
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| 	}
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| 	return 0;
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| }
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| 
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| static struct drm_info_list qxl_debugfs_list[] = {
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| 	{ "irq_received", qxl_debugfs_irq_received, 0, NULL },
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| 	{ "qxl_buffers", qxl_debugfs_buffers_info, 0, NULL },
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| };
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| #define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list)
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| #endif
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| 
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| void
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| qxl_debugfs_init(struct drm_minor *minor)
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| {
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| #if defined(CONFIG_DEBUG_FS)
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| 	struct qxl_device *dev = to_qxl(minor->dev);
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| 
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| 	drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
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| 				 minor->debugfs_root, minor);
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| 
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| 	qxl_ttm_debugfs_init(dev);
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| #endif
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| }
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| 
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| void qxl_debugfs_add_files(struct qxl_device *qdev,
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| 			   struct drm_info_list *files,
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| 			   unsigned int nfiles)
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| {
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| 	unsigned int i;
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| 
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| 	for (i = 0; i < qdev->debugfs_count; i++) {
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| 		if (qdev->debugfs[i].files == files) {
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| 			/* Already registered */
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| 			return;
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| 		}
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| 	}
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| 
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| 	i = qdev->debugfs_count + 1;
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| 	if (i > QXL_DEBUGFS_MAX_COMPONENTS) {
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| 		DRM_ERROR("Reached maximum number of debugfs components.\n");
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| 		DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n");
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| 		return;
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| 	}
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| 	qdev->debugfs[qdev->debugfs_count].files = files;
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| 	qdev->debugfs[qdev->debugfs_count].num_files = nfiles;
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| 	qdev->debugfs_count = i;
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| #if defined(CONFIG_DEBUG_FS)
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| 	drm_debugfs_create_files(files, nfiles,
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| 				 qdev->ddev.primary->debugfs_root,
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| 				 qdev->ddev.primary);
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| #endif
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| }
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