for_each_if ((__ports_mask) & (1 << (__port)))
#define for_each_crtc(dev, crtc) \
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
+ list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
#define for_each_intel_plane(dev, intel_plane) \
list_for_each_entry(intel_plane, \
- &dev->mode_config.plane_list, \
+ &(dev)->mode_config.plane_list, \
base.head)
#define for_each_intel_plane_mask(dev, intel_plane, plane_mask) \
- list_for_each_entry(intel_plane, &dev->mode_config.plane_list, \
+ list_for_each_entry(intel_plane, \
+ &(dev)->mode_config.plane_list, \
base.head) \
for_each_if ((plane_mask) & \
(1 << drm_plane_index(&intel_plane->base)))
base.head) \
for_each_if ((intel_plane)->pipe == (intel_crtc)->pipe)
-#define for_each_intel_crtc(dev, intel_crtc) \
- list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head)
+#define for_each_intel_crtc(dev, intel_crtc) \
+ list_for_each_entry(intel_crtc, \
+ &(dev)->mode_config.crtc_list, \
+ base.head)
-#define for_each_intel_crtc_mask(dev, intel_crtc, crtc_mask) \
- list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head) \
+#define for_each_intel_crtc_mask(dev, intel_crtc, crtc_mask) \
+ list_for_each_entry(intel_crtc, \
+ &(dev)->mode_config.crtc_list, \
+ base.head) \
for_each_if ((crtc_mask) & (1 << drm_crtc_index(&intel_crtc->base)))
#define for_each_intel_encoder(dev, intel_encoder) \
#define for_each_intel_connector(dev, intel_connector) \
list_for_each_entry(intel_connector, \
- &dev->mode_config.connector_list, \
+ &(dev)->mode_config.connector_list, \
base.head)
#define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
struct timeval time;
char error_msg[128];
+ bool simulated;
int iommu;
u32 reset_count;
u32 suspend_count;
bool valid;
/* Software tracked state */
bool waiting;
+ int num_waiters;
int hangcheck_score;
enum intel_ring_hangcheck_action hangcheck_action;
int num_requests;
u32 tail;
} *requests;
+ struct drm_i915_error_waiter {
+ char comm[TASK_COMM_LEN];
+ pid_t pid;
+ u32 seqno;
+ } *waiters;
+
struct {
u32 gfx_mode;
union {
/* Unique identifier for this context, used by the hw for tracking */
unsigned long flags;
+#define CONTEXT_NO_ZEROMAP BIT(0)
+#define CONTEXT_NO_ERROR_CAPTURE BIT(1)
unsigned hw_id;
u32 user_handle;
-#define CONTEXT_NO_ZEROMAP (1<<0)
u32 ggtt_alignment;
PCH_CPT, /* Cougarpoint PCH */
PCH_LPT, /* Lynxpoint PCH */
PCH_SPT, /* Sunrisepoint PCH */
+ PCH_KBP, /* Kabypoint PCH */
PCH_NOP,
};
/** LRU list of objects with fence regs on them. */
struct list_head fence_list;
- /**
- * We leave the user IRQ off as much as possible,
- * but this means that requests will finish and never
- * be retired once the system goes idle. Set a timer to
- * fire periodically while the ring is running. When it
- * fires, go retire requests.
- */
- struct delayed_work retire_work;
-
- /**
- * When we detect an idle GPU, we want to turn on
- * powersaving features. So once we see that there
- * are no more requests outstanding and no more
- * arrive within a small period of time, we fire
- * off the idle_work.
- */
- struct delayed_work idle_work;
-
/**
* Are we in a non-interruptible section of code like
* modesetting?
*/
bool interruptible;
- /**
- * Is the GPU currently considered idle, or busy executing userspace
- * requests? Whilst idle, we attempt to power down the hardware and
- * display clocks. In order to reduce the effect on performance, there
- * is a slight delay before we do so.
- */
- bool busy;
-
/* the indicator for dispatch video commands on two BSD rings */
unsigned int bsd_ring_dispatch_index;
*/
wait_queue_head_t reset_queue;
- /* Userspace knobs for gpu hang simulation;
- * combines both a ring mask, and extra flags
- */
- u32 stop_rings;
-#define I915_STOP_RING_ALLOW_BAN (1 << 31)
-#define I915_STOP_RING_ALLOW_WARN (1 << 30)
-
/* For missed irq/seqno simulation. */
- unsigned int test_irq_rings;
+ unsigned long test_irq_rings;
};
enum modeset_restore {
struct drm_i915_private {
struct drm_device drm;
- struct drm_device *dev;
struct kmem_cache *objects;
struct kmem_cache *vmas;
struct kmem_cache *requests;
int (*init_engines)(struct drm_device *dev);
void (*cleanup_engine)(struct intel_engine_cs *engine);
void (*stop_engine)(struct intel_engine_cs *engine);
+
+ /**
+ * Is the GPU currently considered idle, or busy executing
+ * userspace requests? Whilst idle, we allow runtime power
+ * management to power down the hardware and display clocks.
+ * In order to reduce the effect on performance, there
+ * is a slight delay before we do so.
+ */
+ unsigned int active_engines;
+ bool awake;
+
+ /**
+ * We leave the user IRQ off as much as possible,
+ * but this means that requests will finish and never
+ * be retired once the system goes idle. Set a timer to
+ * fire periodically while the ring is running. When it
+ * fires, go retire requests.
+ */
+ struct delayed_work retire_work;
+
+ /**
+ * When we detect an idle GPU, we want to turn on
+ * powersaving features. So once we see that there
+ * are no more requests outstanding and no more
+ * arrive within a small period of time, we fire
+ * off the idle_work.
+ */
+ struct delayed_work idle_work;
} gt;
/* perform PHY state sanity checks? */
/** On Which ring this request was generated */
struct drm_i915_private *i915;
struct intel_engine_cs *engine;
+ struct intel_signal_node signaling;
/** GEM sequence number associated with the previous request,
* when the HWS breadcrumb is equal to this the GPU is processing
* have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
* chips, etc.).
*/
-#define IS_GEN2(dev) (INTEL_INFO(dev)->gen_mask & BIT(1))
-#define IS_GEN3(dev) (INTEL_INFO(dev)->gen_mask & BIT(2))
-#define IS_GEN4(dev) (INTEL_INFO(dev)->gen_mask & BIT(3))
-#define IS_GEN5(dev) (INTEL_INFO(dev)->gen_mask & BIT(4))
-#define IS_GEN6(dev) (INTEL_INFO(dev)->gen_mask & BIT(5))
-#define IS_GEN7(dev) (INTEL_INFO(dev)->gen_mask & BIT(6))
-#define IS_GEN8(dev) (INTEL_INFO(dev)->gen_mask & BIT(7))
-#define IS_GEN9(dev) (INTEL_INFO(dev)->gen_mask & BIT(8))
+#define IS_GEN2(dev) (!!(INTEL_INFO(dev)->gen_mask & BIT(1)))
+#define IS_GEN3(dev) (!!(INTEL_INFO(dev)->gen_mask & BIT(2)))
+#define IS_GEN4(dev) (!!(INTEL_INFO(dev)->gen_mask & BIT(3)))
+#define IS_GEN5(dev) (!!(INTEL_INFO(dev)->gen_mask & BIT(4)))
+#define IS_GEN6(dev) (!!(INTEL_INFO(dev)->gen_mask & BIT(5)))
+#define IS_GEN7(dev) (!!(INTEL_INFO(dev)->gen_mask & BIT(6)))
+#define IS_GEN8(dev) (!!(INTEL_INFO(dev)->gen_mask & BIT(7)))
+#define IS_GEN9(dev) (!!(INTEL_INFO(dev)->gen_mask & BIT(8)))
#define ENGINE_MASK(id) BIT(id)
#define RENDER_RING ENGINE_MASK(RCS)
#define ALL_ENGINES (~0)
#define HAS_ENGINE(dev_priv, id) \
- (INTEL_INFO(dev_priv)->ring_mask & ENGINE_MASK(id))
+ (!!(INTEL_INFO(dev_priv)->ring_mask & ENGINE_MASK(id)))
#define HAS_BSD(dev_priv) HAS_ENGINE(dev_priv, VCS)
#define HAS_BSD2(dev_priv) HAS_ENGINE(dev_priv, VCS2)
#define HAS_LLC(dev) (INTEL_INFO(dev)->has_llc)
#define HAS_SNOOP(dev) (INTEL_INFO(dev)->has_snoop)
-#define HAS_EDRAM(dev) (__I915__(dev)->edram_cap & EDRAM_ENABLED)
+#define HAS_EDRAM(dev) (!!(__I915__(dev)->edram_cap & EDRAM_ENABLED))
#define HAS_WT(dev) ((IS_HASWELL(dev) || IS_BROADWELL(dev)) && \
HAS_EDRAM(dev))
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
* command submission once loaded. But these are logically independent
* properties, so we have separate macros to test them.
*/
-#define HAS_GUC(dev) (IS_GEN9(dev) && !IS_KABYLAKE(dev))
+#define HAS_GUC(dev) (IS_GEN9(dev))
#define HAS_GUC_UCODE(dev) (HAS_GUC(dev))
#define HAS_GUC_SCHED(dev) (HAS_GUC(dev))
#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00
#define INTEL_PCH_SPT_DEVICE_ID_TYPE 0xA100
#define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE 0x9D00
+#define INTEL_PCH_KBP_DEVICE_ID_TYPE 0xA200
#define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100
#define INTEL_PCH_P3X_DEVICE_ID_TYPE 0x7000
#define INTEL_PCH_QEMU_DEVICE_ID_TYPE 0x2900 /* qemu q35 has 2918 */
#define INTEL_PCH_TYPE(dev) (__I915__(dev)->pch_type)
+#define HAS_PCH_KBP(dev) (INTEL_PCH_TYPE(dev) == PCH_KBP)
#define HAS_PCH_SPT(dev) (INTEL_PCH_TYPE(dev) == PCH_SPT)
#define HAS_PCH_LPT(dev) (INTEL_PCH_TYPE(dev) == PCH_LPT)
#define HAS_PCH_LPT_LP(dev) (__I915__(dev)->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE)
ibx_display_interrupt_update(dev_priv, bits, 0);
}
-
/* i915_gem.c */
int i915_gem_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
return (int32_t)(seq1 - seq2) >= 0;
}
-static inline bool i915_gem_request_started(struct drm_i915_gem_request *req,
- bool lazy_coherency)
+static inline bool i915_gem_request_started(const struct drm_i915_gem_request *req)
{
- if (!lazy_coherency && req->engine->irq_seqno_barrier)
- req->engine->irq_seqno_barrier(req->engine);
- return i915_seqno_passed(req->engine->get_seqno(req->engine),
+ return i915_seqno_passed(intel_engine_get_seqno(req->engine),
req->previous_seqno);
}
-static inline bool i915_gem_request_completed(struct drm_i915_gem_request *req,
- bool lazy_coherency)
+static inline bool i915_gem_request_completed(const struct drm_i915_gem_request *req)
{
- if (!lazy_coherency && req->engine->irq_seqno_barrier)
- req->engine->irq_seqno_barrier(req->engine);
- return i915_seqno_passed(req->engine->get_seqno(req->engine),
+ return i915_seqno_passed(intel_engine_get_seqno(req->engine),
req->seqno);
}
+bool __i915_spin_request(const struct drm_i915_gem_request *request,
+ int state, unsigned long timeout_us);
+static inline bool i915_spin_request(const struct drm_i915_gem_request *request,
+ int state, unsigned long timeout_us)
+{
+ return (i915_gem_request_started(request) &&
+ __i915_spin_request(request, state, timeout_us));
+}
+
int __must_check i915_gem_get_seqno(struct drm_i915_private *dev_priv, u32 *seqno);
int __must_check i915_gem_set_seqno(struct drm_device *dev, u32 seqno);
struct drm_i915_gem_request *
i915_gem_find_active_request(struct intel_engine_cs *engine);
-bool i915_gem_retire_requests(struct drm_i915_private *dev_priv);
+void i915_gem_retire_requests(struct drm_i915_private *dev_priv);
void i915_gem_retire_requests_ring(struct intel_engine_cs *engine);
static inline u32 i915_reset_counter(struct i915_gpu_error *error)
return ((i915_reset_counter(error) & ~I915_WEDGED) + 1) / 2;
}
-static inline bool i915_stop_ring_allow_ban(struct drm_i915_private *dev_priv)
-{
- return dev_priv->gpu_error.stop_rings == 0 ||
- dev_priv->gpu_error.stop_rings & I915_STOP_RING_ALLOW_BAN;
-}
-
-static inline bool i915_stop_ring_allow_warn(struct drm_i915_private *dev_priv)
-{
- return dev_priv->gpu_error.stop_rings == 0 ||
- dev_priv->gpu_error.stop_rings & I915_STOP_RING_ALLOW_WARN;
-}
-
void i915_gem_reset(struct drm_device *dev);
bool i915_gem_clflush_object(struct drm_i915_gem_object *obj, bool force);
int __must_check i915_gem_init(struct drm_device *dev);
static inline void intel_unregister_dsm_handler(void) { return; }
#endif /* CONFIG_ACPI */
+/* intel_device_info.c */
+static inline struct intel_device_info *
+mkwrite_device_info(struct drm_i915_private *dev_priv)
+{
+ return (struct intel_device_info *)&dev_priv->info;
+}
+
+void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
+void intel_device_info_dump(struct drm_i915_private *dev_priv);
+
/* modesetting */
extern void intel_modeset_init_hw(struct drm_device *dev);
extern void intel_modeset_init(struct drm_device *dev);
schedule_timeout_uninterruptible(remaining_jiffies);
}
}
-
-static inline void i915_trace_irq_get(struct intel_engine_cs *engine,
- struct drm_i915_gem_request *req)
+static inline bool __i915_request_irq_complete(struct drm_i915_gem_request *req)
{
- if (engine->trace_irq_req == NULL && engine->irq_get(engine))
- i915_gem_request_assign(&engine->trace_irq_req, req);
+ struct intel_engine_cs *engine = req->engine;
+
+ /* Before we do the heavier coherent read of the seqno,
+ * check the value (hopefully) in the CPU cacheline.
+ */
+ if (i915_gem_request_completed(req))
+ return true;
+
+ /* Ensure our read of the seqno is coherent so that we
+ * do not "miss an interrupt" (i.e. if this is the last
+ * request and the seqno write from the GPU is not visible
+ * by the time the interrupt fires, we will see that the
+ * request is incomplete and go back to sleep awaiting
+ * another interrupt that will never come.)
+ *
+ * Strictly, we only need to do this once after an interrupt,
+ * but it is easier and safer to do it every time the waiter
+ * is woken.
+ */
+ if (engine->irq_seqno_barrier &&
+ READ_ONCE(engine->breadcrumbs.irq_seqno_bh) == current &&
+ cmpxchg_relaxed(&engine->breadcrumbs.irq_posted, 1, 0)) {
+ struct task_struct *tsk;
+
+ /* The ordering of irq_posted versus applying the barrier
+ * is crucial. The clearing of the current irq_posted must
+ * be visible before we perform the barrier operation,
+ * such that if a subsequent interrupt arrives, irq_posted
+ * is reasserted and our task rewoken (which causes us to
+ * do another __i915_request_irq_complete() immediately
+ * and reapply the barrier). Conversely, if the clear
+ * occurs after the barrier, then an interrupt that arrived
+ * whilst we waited on the barrier would not trigger a
+ * barrier on the next pass, and the read may not see the
+ * seqno update.
+ */
+ engine->irq_seqno_barrier(engine);
+
+ /* If we consume the irq, but we are no longer the bottom-half,
+ * the real bottom-half may not have serialised their own
+ * seqno check with the irq-barrier (i.e. may have inspected
+ * the seqno before we believe it coherent since they see
+ * irq_posted == false but we are still running).
+ */
+ rcu_read_lock();
+ tsk = READ_ONCE(engine->breadcrumbs.irq_seqno_bh);
+ if (tsk && tsk != current)
+ /* Note that if the bottom-half is changed as we
+ * are sending the wake-up, the new bottom-half will
+ * be woken by whomever made the change. We only have
+ * to worry about when we steal the irq-posted for
+ * ourself.
+ */
+ wake_up_process(tsk);
+ rcu_read_unlock();
+
+ if (i915_gem_request_completed(req))
+ return true;
+ }
+
+ /* We need to check whether any gpu reset happened in between
+ * the request being submitted and now. If a reset has occurred,
+ * the seqno will have been advance past ours and our request
+ * is complete. If we are in the process of handling a reset,
+ * the request is effectively complete as the rendering will
+ * be discarded, but we need to return in order to drop the
+ * struct_mutex.
+ */
+ if (i915_reset_in_progress(&req->i915->gpu_error))
+ return true;
+
+ return false;
}
#endif
projects / cascardo / linux.git / blobdiff