1 /* 2 * Copyright (C) 2009 Red Hat <bskeggs@redhat.com> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining 5 * a copy of this software and associated documentation files (the 6 * "Software"), to deal in the Software without restriction, including 7 * without limitation the rights to use, copy, modify, merge, publish, 8 * distribute, sublicense, and/or sell copies of the Software, and to 9 * permit persons to whom the Software is furnished to do so, subject to 10 * the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the 13 * next paragraph) shall be included in all copies or substantial 14 * portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 19 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26 /* 27 * Authors: 28 * Alon Levy <alevy@redhat.com> 29 */ 30 31 #include <drm/drm_debugfs.h> 32 #include <drm/drm_file.h> 33 34 #include "qxl_drv.h" 35 #include "qxl_object.h" 36 37 #if defined(CONFIG_DEBUG_FS) 38 static int 39 qxl_debugfs_irq_received(struct seq_file *m, void *data) 40 { 41 struct drm_info_node *node = (struct drm_info_node *) m->private; 42 struct qxl_device *qdev = to_qxl(node->minor->dev); 43 44 seq_printf(m, "%d\n", atomic_read(&qdev->irq_received)); 45 seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display)); 46 seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor)); 47 seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd)); 48 seq_printf(m, "%d\n", qdev->irq_received_error); 49 return 0; 50 } 51 52 static int 53 qxl_debugfs_buffers_info(struct seq_file *m, void *data) 54 { 55 struct drm_info_node *node = (struct drm_info_node *) m->private; 56 struct qxl_device *qdev = to_qxl(node->minor->dev); 57 struct qxl_bo *bo; 58 59 list_for_each_entry(bo, &qdev->gem.objects, list) { 60 struct dma_resv_iter cursor; 61 struct dma_fence *fence; 62 int rel = 0; 63 64 dma_resv_iter_begin(&cursor, bo->tbo.base.resv, true); 65 dma_resv_for_each_fence_unlocked(&cursor, fence) { 66 if (dma_resv_iter_is_restarted(&cursor)) 67 rel = 0; 68 ++rel; 69 } 70 71 seq_printf(m, "size %ld, pc %d, num releases %d\n", 72 (unsigned long)bo->tbo.base.size, 73 bo->tbo.pin_count, rel); 74 } 75 return 0; 76 } 77 78 static struct drm_info_list qxl_debugfs_list[] = { 79 { "irq_received", qxl_debugfs_irq_received, 0, NULL }, 80 { "qxl_buffers", qxl_debugfs_buffers_info, 0, NULL }, 81 }; 82 #define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list) 83 #endif 84 85 void 86 qxl_debugfs_init(struct drm_minor *minor) 87 { 88 #if defined(CONFIG_DEBUG_FS) 89 struct qxl_device *dev = to_qxl(minor->dev); 90 91 drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES, 92 minor->debugfs_root, minor); 93 94 qxl_ttm_debugfs_init(dev); 95 #endif 96 } 97 98 void qxl_debugfs_add_files(struct qxl_device *qdev, 99 struct drm_info_list *files, 100 unsigned int nfiles) 101 { 102 unsigned int i; 103 104 for (i = 0; i < qdev->debugfs_count; i++) { 105 if (qdev->debugfs[i].files == files) { 106 /* Already registered */ 107 return; 108 } 109 } 110 111 i = qdev->debugfs_count + 1; 112 if (i > QXL_DEBUGFS_MAX_COMPONENTS) { 113 DRM_ERROR("Reached maximum number of debugfs components.\n"); 114 DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n"); 115 return; 116 } 117 qdev->debugfs[qdev->debugfs_count].files = files; 118 qdev->debugfs[qdev->debugfs_count].num_files = nfiles; 119 qdev->debugfs_count = i; 120 #if defined(CONFIG_DEBUG_FS) 121 drm_debugfs_create_files(files, nfiles, 122 qdev->ddev.primary->debugfs_root, 123 qdev->ddev.primary); 124 #endif 125 } 126