diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_types.h')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_types.h | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h index 3804a583382b..f19c2de77ff6 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_types.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h @@ -76,8 +76,22 @@ enum intel_submission_method { INTEL_SUBMISSION_GUC, }; +struct gt_defaults { + u32 min_freq; + u32 max_freq; +}; + +enum intel_gt_type { + GT_PRIMARY, + GT_TILE, + GT_MEDIA, +}; + struct intel_gt { struct drm_i915_private *i915; + const char *name; + enum intel_gt_type type; + struct intel_uncore *uncore; struct i915_ggtt *ggtt; @@ -127,6 +141,20 @@ struct intel_gt { struct intel_wakeref wakeref; atomic_t user_wakeref; + /** + * Protects access to lmem usefault list. + * It is required, if we are outside of the runtime suspend path, + * access to @lmem_userfault_list requires always first grabbing the + * runtime pm, to ensure we can't race against runtime suspend. + * Once we have that we also need to grab @lmem_userfault_lock, + * at which point we have exclusive access. + * The runtime suspend path is special since it doesn't really hold any locks, + * but instead has exclusive access by virtue of all other accesses requiring + * holding the runtime pm wakeref. + */ + struct mutex lmem_userfault_lock; + struct list_head lmem_userfault_list; + struct list_head closed_vma; spinlock_t closed_lock; /* guards the list of closed_vma */ @@ -142,6 +170,9 @@ struct intel_gt { */ intel_wakeref_t awake; + /* Manual runtime pm autosuspend delay for user GGTT/lmem mmaps */ + struct intel_wakeref_auto userfault_wakeref; + u32 clock_frequency; u32 clock_period_ns; @@ -149,7 +180,7 @@ struct intel_gt { struct intel_rc6 rc6; struct intel_rps rps; - spinlock_t irq_lock; + spinlock_t *irq_lock; u32 gt_imr; u32 pm_ier; u32 pm_imr; @@ -251,6 +282,18 @@ struct intel_gt { /* gt/gtN sysfs */ struct kobject sysfs_gt; + + /* sysfs defaults per gt */ + struct gt_defaults defaults; + struct kobject *sysfs_defaults; +}; + +struct intel_gt_definition { + enum intel_gt_type type; + char *name; + u32 mapping_base; + u32 gsi_offset; + intel_engine_mask_t engine_mask; }; enum intel_gt_scratch_field { |