1 /* SPDX-License-Identifier: MIT */
3 * Copyright © 2021 Intel Corporation
9 #include <drm/drm_util.h>
11 #include "xe_device_types.h"
12 #include "xe_gt_types.h"
15 static inline struct xe_device *to_xe_device(const struct drm_device *dev)
17 return container_of(dev, struct xe_device, drm);
20 static inline struct xe_device *kdev_to_xe_device(struct device *kdev)
22 struct drm_device *drm = dev_get_drvdata(kdev);
24 return drm ? to_xe_device(drm) : NULL;
27 static inline struct xe_device *pdev_to_xe_device(struct pci_dev *pdev)
29 struct drm_device *drm = pci_get_drvdata(pdev);
31 return drm ? to_xe_device(drm) : NULL;
34 static inline struct xe_device *xe_device_const_cast(const struct xe_device *xe)
36 return (struct xe_device *)xe;
39 static inline struct xe_device *ttm_to_xe_device(struct ttm_device *ttm)
41 return container_of(ttm, struct xe_device, ttm);
44 struct xe_device *xe_device_create(struct pci_dev *pdev,
45 const struct pci_device_id *ent);
46 int xe_device_probe_early(struct xe_device *xe);
47 int xe_device_probe(struct xe_device *xe);
48 void xe_device_remove(struct xe_device *xe);
49 void xe_device_shutdown(struct xe_device *xe);
51 void xe_device_wmb(struct xe_device *xe);
53 static inline struct xe_file *to_xe_file(const struct drm_file *file)
55 return file->driver_priv;
58 static inline struct xe_tile *xe_device_get_root_tile(struct xe_device *xe)
63 #define XE_MAX_GT_PER_TILE 2
65 static inline struct xe_gt *xe_tile_get_gt(struct xe_tile *tile, u8 gt_id)
67 if (drm_WARN_ON(&tile_to_xe(tile)->drm, gt_id >= XE_MAX_GT_PER_TILE))
70 return gt_id ? tile->media_gt : tile->primary_gt;
73 static inline struct xe_gt *xe_device_get_gt(struct xe_device *xe, u8 gt_id)
75 struct xe_tile *root_tile = xe_device_get_root_tile(xe);
79 * FIXME: This only works for now because multi-tile and standalone
80 * media are mutually exclusive on the platforms we have today.
82 * id => GT mapping may change once we settle on how we want to handle
85 if (MEDIA_VER(xe) >= 13) {
86 gt = xe_tile_get_gt(root_tile, gt_id);
88 if (drm_WARN_ON(&xe->drm, gt_id >= XE_MAX_TILES_PER_DEVICE))
91 gt = xe->tiles[gt_id].primary_gt;
97 drm_WARN_ON(&xe->drm, gt->info.id != gt_id);
98 drm_WARN_ON(&xe->drm, gt->info.type == XE_GT_TYPE_UNINITIALIZED);
104 * Provide a GT structure suitable for performing non-GT MMIO operations against
105 * the primary tile. Primarily intended for early tile initialization, display
106 * handling, top-most interrupt enable/disable, etc. Since anything using the
107 * MMIO handle returned by this function doesn't need GSI offset translation,
108 * we'll return the primary GT from the root tile.
110 * FIXME: Fix the driver design so that 'gt' isn't the target of all MMIO
113 * Returns the primary gt of the root tile.
115 static inline struct xe_gt *xe_root_mmio_gt(struct xe_device *xe)
117 return xe_device_get_root_tile(xe)->primary_gt;
120 static inline bool xe_device_uc_enabled(struct xe_device *xe)
122 return !xe->info.force_execlist;
125 #define for_each_tile(tile__, xe__, id__) \
126 for ((id__) = 0; (id__) < (xe__)->info.tile_count; (id__)++) \
127 for_each_if((tile__) = &(xe__)->tiles[(id__)])
129 #define for_each_remote_tile(tile__, xe__, id__) \
130 for ((id__) = 1; (id__) < (xe__)->info.tile_count; (id__)++) \
131 for_each_if((tile__) = &(xe__)->tiles[(id__)])
134 * FIXME: This only works for now since multi-tile and standalone media
135 * happen to be mutually exclusive. Future platforms may change this...
137 #define for_each_gt(gt__, xe__, id__) \
138 for ((id__) = 0; (id__) < (xe__)->info.gt_count; (id__)++) \
139 for_each_if((gt__) = xe_device_get_gt((xe__), (id__)))
141 static inline struct xe_force_wake *gt_to_fw(struct xe_gt *gt)
146 void xe_device_assert_mem_access(struct xe_device *xe);
148 static inline bool xe_device_has_flat_ccs(struct xe_device *xe)
150 return xe->info.has_flat_ccs;
153 static inline bool xe_device_has_sriov(struct xe_device *xe)
155 return xe->info.has_sriov;
158 static inline bool xe_device_has_msix(struct xe_device *xe)
160 /* TODO: change this when MSI-X support is fully integrated */
164 static inline bool xe_device_has_memirq(struct xe_device *xe)
166 return GRAPHICS_VERx100(xe) >= 1250;
169 static inline bool xe_device_uses_memirq(struct xe_device *xe)
171 return xe_device_has_memirq(xe) && (IS_SRIOV_VF(xe) || xe_device_has_msix(xe));
174 u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size);
176 void xe_device_snapshot_print(struct xe_device *xe, struct drm_printer *p);
178 u64 xe_device_canonicalize_addr(struct xe_device *xe, u64 address);
179 u64 xe_device_uncanonicalize_addr(struct xe_device *xe, u64 address);
181 void xe_device_td_flush(struct xe_device *xe);
182 void xe_device_l2_flush(struct xe_device *xe);
184 static inline bool xe_device_wedged(struct xe_device *xe)
186 return atomic_read(&xe->wedged.flag);
189 void xe_device_declare_wedged(struct xe_device *xe);
191 struct xe_file *xe_file_get(struct xe_file *xef);
192 void xe_file_put(struct xe_file *xef);
195 * Occasionally it is seen that the G2H worker starts running after a delay of more than
196 * a second even after being queued and activated by the Linux workqueue subsystem. This
197 * leads to G2H timeout error. The root cause of issue lies with scheduling latency of
198 * Lunarlake Hybrid CPU. Issue disappears if we disable Lunarlake atom cores from BIOS
199 * and this is beyond xe kmd.
201 * TODO: Drop this change once workqueue scheduling delay issue is fixed on LNL Hybrid CPU.
203 #define LNL_FLUSH_WORKQUEUE(wq__) \
204 flush_workqueue(wq__)
205 #define LNL_FLUSH_WORK(wrk__) \