#include <linux/intel-iommu.h>
#include <linux/kref.h>
#include <linux/pm_qos.h>
+#include <linux/reservation.h>
#include <linux/shmem_fs.h>
#include <drm/drmP.h>
#include "intel_bios.h"
#include "intel_dpll_mgr.h"
-#include "intel_guc.h"
+#include "intel_uc.h"
#include "intel_lrc.h"
#include "intel_ringbuffer.h"
#include "i915_gem.h"
+#include "i915_gem_fence_reg.h"
+#include "i915_gem_object.h"
#include "i915_gem_gtt.h"
#include "i915_gem_render_state.h"
#include "i915_gem_request.h"
+#include "i915_gem_timeline.h"
+
+#include "i915_vma.h"
#include "intel_gvt.h"
#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
-#define DRIVER_DATE "20161024"
-#define DRIVER_TIMESTAMP 1477290335
+#define DRIVER_DATE "20161121"
+#define DRIVER_TIMESTAMP 1479717903
#undef WARN_ON
/* Many gcc seem to no see through this and fall over :( */
return v ? "on" : "off";
}
+static inline const char *enableddisabled(bool v)
+{
+ return v ? "enabled" : "disabled";
+}
+
enum pipe {
INVALID_PIPE = -1,
PIPE_A = 0,
}
/*
+ * Global legacy plane identifier. Valid only for primary/sprite
+ * planes on pre-g4x, and only for primary planes on g4x+.
+ */
+enum plane {
+ PLANE_A,
+ PLANE_B,
+ PLANE_C,
+};
+#define plane_name(p) ((p) + 'A')
+
+#define sprite_name(p, s) ((p) * INTEL_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A')
+
+/*
+ * Per-pipe plane identifier.
* I915_MAX_PLANES in the enum below is the maximum (across all platforms)
* number of planes per CRTC. Not all platforms really have this many planes,
* which means some arrays of size I915_MAX_PLANES may have unused entries
* between the topmost sprite plane and the cursor plane.
+ *
+ * This is expected to be passed to various register macros
+ * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care.
*/
-enum plane {
- PLANE_A = 0,
- PLANE_B,
- PLANE_C,
+enum plane_id {
+ PLANE_PRIMARY,
+ PLANE_SPRITE0,
+ PLANE_SPRITE1,
PLANE_CURSOR,
I915_MAX_PLANES,
};
-#define plane_name(p) ((p) + 'A')
-#define sprite_name(p, s) ((p) * INTEL_INFO(dev)->num_sprites[(p)] + (s) + 'A')
+#define for_each_plane_id_on_crtc(__crtc, __p) \
+ for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \
+ for_each_if ((__crtc)->plane_ids_mask & BIT(__p))
enum port {
PORT_NONE = -1,
#define for_each_pipe_masked(__dev_priv, __p, __mask) \
for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) \
for_each_if ((__mask) & (1 << (__p)))
-#define for_each_plane(__dev_priv, __pipe, __p) \
+#define for_each_universal_plane(__dev_priv, __pipe, __p) \
for ((__p) = 0; \
(__p) < INTEL_INFO(__dev_priv)->num_sprites[(__pipe)] + 1; \
(__p)++)
} rps;
unsigned int bsd_engine;
+
+/* Client can have a maximum of 3 contexts banned before
+ * it is denied of creating new contexts. As one context
+ * ban needs 4 consecutive hangs, and more if there is
+ * progress in between, this is a last resort stop gap measure
+ * to limit the badly behaving clients access to gpu.
+ */
+#define I915_MAX_CLIENT_CONTEXT_BANS 3
+ int context_bans;
};
/* Used by dp and fdi links */
struct intel_overlay;
struct intel_overlay_error_state;
-struct drm_i915_fence_reg {
- struct list_head link;
- struct drm_i915_private *i915;
- struct i915_vma *vma;
- int pin_count;
- int id;
- /**
- * Whether the tiling parameters for the currently
- * associated fence register have changed. Note that
- * for the purposes of tracking tiling changes we also
- * treat the unfenced register, the register slot that
- * the object occupies whilst it executes a fenced
- * command (such as BLT on gen2/3), as a "fence".
- */
- bool dirty;
-};
-
struct sdvo_device_mapping {
u8 initialized;
u8 dvo_port;
struct intel_connector;
struct intel_encoder;
+struct intel_atomic_state;
struct intel_crtc_state;
struct intel_initial_plane_config;
struct intel_crtc;
struct dpll;
struct drm_i915_display_funcs {
- int (*get_display_clock_speed)(struct drm_device *dev);
- int (*get_fifo_size)(struct drm_device *dev, int plane);
+ int (*get_display_clock_speed)(struct drm_i915_private *dev_priv);
+ int (*get_fifo_size)(struct drm_i915_private *dev_priv, int plane);
int (*compute_pipe_wm)(struct intel_crtc_state *cstate);
int (*compute_intermediate_wm)(struct drm_device *dev,
struct intel_crtc *intel_crtc,
struct intel_crtc_state *newstate);
- void (*initial_watermarks)(struct intel_crtc_state *cstate);
- void (*optimize_watermarks)(struct intel_crtc_state *cstate);
+ void (*initial_watermarks)(struct intel_atomic_state *state,
+ struct intel_crtc_state *cstate);
+ void (*atomic_update_watermarks)(struct intel_atomic_state *state,
+ struct intel_crtc_state *cstate);
+ void (*optimize_watermarks)(struct intel_atomic_state *state,
+ struct intel_crtc_state *cstate);
int (*compute_global_watermarks)(struct drm_atomic_state *state);
- void (*update_wm)(struct drm_crtc *crtc);
+ void (*update_wm)(struct intel_crtc *crtc);
int (*modeset_calc_cdclk)(struct drm_atomic_state *state);
void (*modeset_commit_cdclk)(struct drm_atomic_state *state);
/* Returns the active state of the crtc, and if the crtc is active,
const struct drm_display_mode *adjusted_mode);
void (*audio_codec_disable)(struct intel_encoder *encoder);
void (*fdi_link_train)(struct drm_crtc *crtc);
- void (*init_clock_gating)(struct drm_device *dev);
+ void (*init_clock_gating)(struct drm_i915_private *dev_priv);
int (*queue_flip)(struct drm_device *dev, struct drm_crtc *crtc,
struct drm_framebuffer *fb,
struct drm_i915_gem_object *obj,
#define FW_REG_READ (1)
#define FW_REG_WRITE (2)
+enum decoupled_power_domain {
+ GEN9_DECOUPLED_PD_BLITTER = 0,
+ GEN9_DECOUPLED_PD_RENDER,
+ GEN9_DECOUPLED_PD_MEDIA,
+ GEN9_DECOUPLED_PD_ALL
+};
+
+enum decoupled_ops {
+ GEN9_DECOUPLED_OP_WRITE = 0,
+ GEN9_DECOUPLED_OP_READ
+};
+
enum forcewake_domains
intel_uncore_forcewake_for_reg(struct drm_i915_private *dev_priv,
i915_reg_t reg, unsigned int op);
func(is_broadwell); \
func(is_skylake); \
func(is_broxton); \
+ func(is_geminilake); \
func(is_kabylake); \
- func(is_preliminary); \
+ func(is_lp); \
+ func(is_alpha_support); \
/* Keep has_* in alphabetical order */ \
+ func(has_64bit_reloc); \
func(has_csr); \
func(has_ddi); \
func(has_dp_mst); \
func(cursor_needs_physical); \
func(hws_needs_physical); \
func(overlay_needs_physical); \
- func(supports_tv)
+ func(supports_tv); \
+ func(has_decoupled_mmio)
struct sseu_dev_info {
u8 slice_mask;
struct drm_i915_error_state {
struct kref ref;
struct timeval time;
+ struct timeval boottime;
+ struct timeval uptime;
struct drm_i915_private *i915;
struct intel_overlay_error_state *overlay;
struct intel_display_error_state *display;
struct drm_i915_error_object *semaphore;
+ struct drm_i915_error_object *guc_log;
struct drm_i915_error_engine {
int engine_id;
/* Software tracked state */
bool waiting;
int num_waiters;
- int hangcheck_score;
+ unsigned long hangcheck_timestamp;
+ bool hangcheck_stalled;
enum intel_engine_hangcheck_action hangcheck_action;
struct i915_address_space *vm;
int num_requests;
u32 cpu_ring_tail;
u32 last_seqno;
- u32 semaphore_seqno[I915_NUM_ENGINES - 1];
/* Register state */
u32 start;
long jiffies;
pid_t pid;
u32 context;
+ int ban_score;
u32 seqno;
u32 head;
u32 tail;
pid_t pid;
char comm[TASK_COMM_LEN];
+ int context_bans;
} engine[I915_NUM_ENGINES];
struct drm_i915_error_buffer {
I915_CACHE_WT, /* hsw:gt3e WriteThrough for scanouts */
};
-struct i915_ctx_hang_stats {
- /* This context had batch pending when hang was declared */
- unsigned batch_pending;
-
- /* This context had batch active when hang was declared */
- unsigned batch_active;
-
- /* Time when this context was last blamed for a GPU reset */
- unsigned long guilty_ts;
-
- /* If the contexts causes a second GPU hang within this time,
- * it is permanently banned from submitting any more work.
- */
- unsigned long ban_period_seconds;
-
- /* This context is banned to submit more work */
- bool banned;
-};
-
-/* This must match up with the value previously used for execbuf2.rsvd1. */
#define DEFAULT_CONTEXT_HANDLE 0
/**
struct drm_i915_file_private *file_priv;
struct i915_hw_ppgtt *ppgtt;
struct pid *pid;
-
- struct i915_ctx_hang_stats hang_stats;
+ const char *name;
unsigned long flags;
#define CONTEXT_NO_ZEROMAP BIT(0)
/* Unique identifier for this context, used by the hw for tracking */
unsigned int hw_id;
u32 user_handle;
+ int priority; /* greater priorities are serviced first */
u32 ggtt_alignment;
u8 remap_slice;
bool closed:1;
+ bool bannable:1;
+ bool banned:1;
+
+ unsigned int guilty_count; /* guilty of a hang */
+ unsigned int active_count; /* active during hang */
+
+#define CONTEXT_SCORE_GUILTY 10
+#define CONTEXT_SCORE_BAN_THRESHOLD 40
+ /* Accumulated score of hangs caused by this context */
+ int ban_score;
};
enum fb_op_origin {
/* cached hw enabled state */
bool hw_enabled;
unsigned long domains;
+ /* unique identifier for this power well */
+ unsigned long id;
+ /*
+ * Arbitraty data associated with this power well. Platform and power
+ * well specific.
+ */
unsigned long data;
const struct i915_power_well_ops *ops;
};
struct list_head bound_list;
/**
* List of objects which are not bound to the GTT (thus
- * are idle and not used by the GPU) but still have
- * (presumably uncached) pages still attached.
+ * are idle and not used by the GPU). These objects may or may
+ * not actually have any pages attached.
*/
struct list_head unbound_list;
+ /** List of all objects in gtt_space, currently mmaped by userspace.
+ * All objects within this list must also be on bound_list.
+ */
+ struct list_head userfault_list;
+
+ /**
+ * List of objects which are pending destruction.
+ */
+ struct llist_head free_list;
+ struct work_struct free_work;
+
/** Usable portion of the GTT for GEM */
unsigned long stolen_base; /* limited to low memory (32-bit) */
};
struct i915_error_state_file_priv {
- struct drm_device *dev;
+ struct drm_i915_private *i915;
struct drm_i915_error_state *error;
};
+#define I915_RESET_TIMEOUT (10 * HZ) /* 10s */
+#define I915_FENCE_TIMEOUT (10 * HZ) /* 10s */
+
+#define I915_ENGINE_DEAD_TIMEOUT (4 * HZ) /* Seqno, head and subunits dead */
+#define I915_SEQNO_DEAD_TIMEOUT (12 * HZ) /* Seqno dead with active head */
+
struct i915_gpu_error {
/* For hangcheck timer */
#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
- /* Hang gpu twice in this window and your context gets banned */
-#define DRM_I915_CTX_BAN_PERIOD DIV_ROUND_UP(8*DRM_I915_HANGCHECK_PERIOD, 1000)
struct delayed_work hangcheck_work;
*/
struct i915_runtime_pm {
atomic_t wakeref_count;
- atomic_t atomic_seq;
bool suspended;
bool irqs_enabled;
};
bool sprites_scaled;
};
+struct i915_oa_format {
+ u32 format;
+ int size;
+};
+
+struct i915_oa_reg {
+ i915_reg_t addr;
+ u32 value;
+};
+
+struct i915_perf_stream;
+
+struct i915_perf_stream_ops {
+ /* Enables the collection of HW samples, either in response to
+ * I915_PERF_IOCTL_ENABLE or implicitly called when stream is
+ * opened without I915_PERF_FLAG_DISABLED.
+ */
+ void (*enable)(struct i915_perf_stream *stream);
+
+ /* Disables the collection of HW samples, either in response to
+ * I915_PERF_IOCTL_DISABLE or implicitly called before
+ * destroying the stream.
+ */
+ void (*disable)(struct i915_perf_stream *stream);
+
+ /* Call poll_wait, passing a wait queue that will be woken
+ * once there is something ready to read() for the stream
+ */
+ void (*poll_wait)(struct i915_perf_stream *stream,
+ struct file *file,
+ poll_table *wait);
+
+ /* For handling a blocking read, wait until there is something
+ * to ready to read() for the stream. E.g. wait on the same
+ * wait queue that would be passed to poll_wait().
+ */
+ int (*wait_unlocked)(struct i915_perf_stream *stream);
+
+ /* read - Copy buffered metrics as records to userspace
+ * @buf: the userspace, destination buffer
+ * @count: the number of bytes to copy, requested by userspace
+ * @offset: zero at the start of the read, updated as the read
+ * proceeds, it represents how many bytes have been
+ * copied so far and the buffer offset for copying the
+ * next record.
+ *
+ * Copy as many buffered i915 perf samples and records for
+ * this stream to userspace as will fit in the given buffer.
+ *
+ * Only write complete records; returning -ENOSPC if there
+ * isn't room for a complete record.
+ *
+ * Return any error condition that results in a short read
+ * such as -ENOSPC or -EFAULT, even though these may be
+ * squashed before returning to userspace.
+ */
+ int (*read)(struct i915_perf_stream *stream,
+ char __user *buf,
+ size_t count,
+ size_t *offset);
+
+ /* Cleanup any stream specific resources.
+ *
+ * The stream will always be disabled before this is called.
+ */
+ void (*destroy)(struct i915_perf_stream *stream);
+};
+
+struct i915_perf_stream {
+ struct drm_i915_private *dev_priv;
+
+ struct list_head link;
+
+ u32 sample_flags;
+ int sample_size;
+
+ struct i915_gem_context *ctx;
+ bool enabled;
+
+ const struct i915_perf_stream_ops *ops;
+};
+
+struct i915_oa_ops {
+ void (*init_oa_buffer)(struct drm_i915_private *dev_priv);
+ int (*enable_metric_set)(struct drm_i915_private *dev_priv);
+ void (*disable_metric_set)(struct drm_i915_private *dev_priv);
+ void (*oa_enable)(struct drm_i915_private *dev_priv);
+ void (*oa_disable)(struct drm_i915_private *dev_priv);
+ void (*update_oacontrol)(struct drm_i915_private *dev_priv);
+ void (*update_hw_ctx_id_locked)(struct drm_i915_private *dev_priv,
+ u32 ctx_id);
+ int (*read)(struct i915_perf_stream *stream,
+ char __user *buf,
+ size_t count,
+ size_t *offset);
+ bool (*oa_buffer_is_empty)(struct drm_i915_private *dev_priv);
+};
+
struct drm_i915_private {
struct drm_device drm;
struct kmem_cache *objects;
struct kmem_cache *vmas;
struct kmem_cache *requests;
+ struct kmem_cache *dependencies;
const struct intel_device_info info;
struct i915_gem_context *kernel_context;
struct intel_engine_cs *engine[I915_NUM_ENGINES];
struct i915_vma *semaphore;
- u32 next_seqno;
struct drm_dma_handle *status_page_dmah;
struct resource mch_res;
u32 de_irq_mask[I915_MAX_PIPES];
};
u32 gt_irq_mask;
- u32 pm_irq_mask;
+ u32 pm_imr;
+ u32 pm_ier;
u32 pm_rps_events;
+ u32 pm_guc_events;
u32 pipestat_irq_mask[I915_MAX_PIPES];
struct i915_hotplug hotplug;
unsigned int fsb_freq, mem_freq, is_ddr3;
unsigned int skl_preferred_vco_freq;
- unsigned int cdclk_freq, max_cdclk_freq, atomic_cdclk_freq;
+ unsigned int cdclk_freq, max_cdclk_freq;
+
+ /*
+ * For reading holding any crtc lock is sufficient,
+ * for writing must hold all of them.
+ */
+ unsigned int atomic_cdclk_freq;
+
unsigned int max_dotclk_freq;
unsigned int rawclk_freq;
unsigned int hpll_freq;
/* Kernel Modesetting */
- struct drm_crtc *plane_to_crtc_mapping[I915_MAX_PIPES];
- struct drm_crtc *pipe_to_crtc_mapping[I915_MAX_PIPES];
+ struct intel_crtc *plane_to_crtc_mapping[I915_MAX_PIPES];
+ struct intel_crtc *pipe_to_crtc_mapping[I915_MAX_PIPES];
wait_queue_head_t pending_flip_queue;
#ifdef CONFIG_DEBUG_FS
*/
uint16_t skl_latency[8];
- /*
- * The skl_wm_values structure is a bit too big for stack
- * allocation, so we keep the staging struct where we store
- * intermediate results here instead.
- */
- struct skl_wm_values skl_results;
-
/* current hardware state */
union {
struct ilk_wm_values hw;
struct i915_runtime_pm pm;
+ struct {
+ bool initialized;
+
+ struct kobject *metrics_kobj;
+ struct ctl_table_header *sysctl_header;
+
+ struct mutex lock;
+ struct list_head streams;
+
+ spinlock_t hook_lock;
+
+ struct {
+ struct i915_perf_stream *exclusive_stream;
+
+ u32 specific_ctx_id;
+ struct i915_vma *pinned_rcs_vma;
+
+ struct hrtimer poll_check_timer;
+ wait_queue_head_t poll_wq;
+ bool pollin;
+
+ bool periodic;
+ int period_exponent;
+ int timestamp_frequency;
+
+ int tail_margin;
+
+ int metrics_set;
+
+ const struct i915_oa_reg *mux_regs;
+ int mux_regs_len;
+ const struct i915_oa_reg *b_counter_regs;
+ int b_counter_regs_len;
+
+ struct {
+ struct i915_vma *vma;
+ u8 *vaddr;
+ int format;
+ int format_size;
+ } oa_buffer;
+
+ u32 gen7_latched_oastatus1;
+
+ struct i915_oa_ops ops;
+ const struct i915_oa_format *oa_formats;
+ int n_builtin_sets;
+ } oa;
+ } perf;
+
/* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
struct {
void (*resume)(struct drm_i915_private *);
void (*cleanup_engine)(struct intel_engine_cs *engine);
+ struct list_head timelines;
+ struct i915_gem_timeline global_timeline;
+ u32 active_requests;
+
/**
* Is the GPU currently considered idle, or busy executing
* userspace requests? Whilst idle, we allow runtime power
* In order to reduce the effect on performance, there
* is a slight delay before we do so.
*/
- unsigned int active_engines;
bool awake;
/**
* off the idle_work.
*/
struct delayed_work idle_work;
+
+ ktime_t last_init_time;
} gt;
/* perform PHY state sanity checks? */
#define I915_GTT_OFFSET_NONE ((u32)-1)
-struct drm_i915_gem_object_ops {
- unsigned int flags;
-#define I915_GEM_OBJECT_HAS_STRUCT_PAGE 0x1
-
- /* Interface between the GEM object and its backing storage.
- * get_pages() is called once prior to the use of the associated set
- * of pages before to binding them into the GTT, and put_pages() is
- * called after we no longer need them. As we expect there to be
- * associated cost with migrating pages between the backing storage
- * and making them available for the GPU (e.g. clflush), we may hold
- * onto the pages after they are no longer referenced by the GPU
- * in case they may be used again shortly (for example migrating the
- * pages to a different memory domain within the GTT). put_pages()
- * will therefore most likely be called when the object itself is
- * being released or under memory pressure (where we attempt to
- * reap pages for the shrinker).
- */
- int (*get_pages)(struct drm_i915_gem_object *);
- void (*put_pages)(struct drm_i915_gem_object *);
-
- int (*dmabuf_export)(struct drm_i915_gem_object *);
- void (*release)(struct drm_i915_gem_object *);
-};
-
/*
* Frontbuffer tracking bits. Set in obj->frontbuffer_bits while a gem bo is
* considered to be the frontbuffer for the given plane interface-wise. This
#define INTEL_FRONTBUFFER_ALL_MASK(pipe) \
(0xff << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))
-struct drm_i915_gem_object {
- struct drm_gem_object base;
-
- const struct drm_i915_gem_object_ops *ops;
-
- /** List of VMAs backed by this object */
- struct list_head vma_list;
-
- /** Stolen memory for this object, instead of being backed by shmem. */
- struct drm_mm_node *stolen;
- struct list_head global_list;
-
- /** Used in execbuf to temporarily hold a ref */
- struct list_head obj_exec_link;
-
- struct list_head batch_pool_link;
-
- unsigned long flags;
- /**
- * This is set if the object is on the active lists (has pending
- * rendering and so a non-zero seqno), and is not set if it i s on
- * inactive (ready to be unbound) list.
- */
-#define I915_BO_ACTIVE_SHIFT 0
-#define I915_BO_ACTIVE_MASK ((1 << I915_NUM_ENGINES) - 1)
-#define __I915_BO_ACTIVE(bo) \
- ((READ_ONCE((bo)->flags) >> I915_BO_ACTIVE_SHIFT) & I915_BO_ACTIVE_MASK)
-
- /**
- * This is set if the object has been written to since last bound
- * to the GTT
- */
- unsigned int dirty:1;
-
- /**
- * Advice: are the backing pages purgeable?
- */
- unsigned int madv:2;
-
- /**
- * Whether the current gtt mapping needs to be mappable (and isn't just
- * mappable by accident). Track pin and fault separate for a more
- * accurate mappable working set.
- */
- unsigned int fault_mappable:1;
-
- /*
- * Is the object to be mapped as read-only to the GPU
- * Only honoured if hardware has relevant pte bit
- */
- unsigned long gt_ro:1;
- unsigned int cache_level:3;
- unsigned int cache_dirty:1;
-
- atomic_t frontbuffer_bits;
- unsigned int frontbuffer_ggtt_origin; /* write once */
-
- /** Current tiling stride for the object, if it's tiled. */
- unsigned int tiling_and_stride;
-#define FENCE_MINIMUM_STRIDE 128 /* See i915_tiling_ok() */
-#define TILING_MASK (FENCE_MINIMUM_STRIDE-1)
-#define STRIDE_MASK (~TILING_MASK)
-
- /** Count of VMA actually bound by this object */
- unsigned int bind_count;
- unsigned int pin_display;
-
- struct sg_table *pages;
- int pages_pin_count;
- struct get_page {
- struct scatterlist *sg;
- int last;
- } get_page;
- void *mapping;
-
- /** Breadcrumb of last rendering to the buffer.
- * There can only be one writer, but we allow for multiple readers.
- * If there is a writer that necessarily implies that all other
- * read requests are complete - but we may only be lazily clearing
- * the read requests. A read request is naturally the most recent
- * request on a ring, so we may have two different write and read
- * requests on one ring where the write request is older than the
- * read request. This allows for the CPU to read from an active
- * buffer by only waiting for the write to complete.
- */
- struct i915_gem_active last_read[I915_NUM_ENGINES];
- struct i915_gem_active last_write;
-
- /** References from framebuffers, locks out tiling changes. */
- unsigned long framebuffer_references;
-
- /** Record of address bit 17 of each page at last unbind. */
- unsigned long *bit_17;
-
- struct i915_gem_userptr {
- uintptr_t ptr;
- unsigned read_only :1;
- unsigned workers :4;
-#define I915_GEM_USERPTR_MAX_WORKERS 15
-
- struct i915_mm_struct *mm;
- struct i915_mmu_object *mmu_object;
- struct work_struct *work;
- } userptr;
-
- /** for phys allocated objects */
- struct drm_dma_handle *phys_handle;
-};
-
-static inline struct drm_i915_gem_object *
-to_intel_bo(struct drm_gem_object *gem)
-{
- /* Assert that to_intel_bo(NULL) == NULL */
- BUILD_BUG_ON(offsetof(struct drm_i915_gem_object, base));
-
- return container_of(gem, struct drm_i915_gem_object, base);
-}
-
-static inline struct drm_i915_gem_object *
-i915_gem_object_lookup(struct drm_file *file, u32 handle)
-{
- return to_intel_bo(drm_gem_object_lookup(file, handle));
-}
-
-__deprecated
-extern struct drm_gem_object *
-drm_gem_object_lookup(struct drm_file *file, u32 handle);
-
-__attribute__((nonnull))
-static inline struct drm_i915_gem_object *
-i915_gem_object_get(struct drm_i915_gem_object *obj)
-{
- drm_gem_object_reference(&obj->base);
- return obj;
-}
-
-__deprecated
-extern void drm_gem_object_reference(struct drm_gem_object *);
-
-__attribute__((nonnull))
-static inline void
-i915_gem_object_put(struct drm_i915_gem_object *obj)
-{
- drm_gem_object_unreference(&obj->base);
-}
-
-__deprecated
-extern void drm_gem_object_unreference(struct drm_gem_object *);
-
-__attribute__((nonnull))
-static inline void
-i915_gem_object_put_unlocked(struct drm_i915_gem_object *obj)
-{
- drm_gem_object_unreference_unlocked(&obj->base);
-}
-
-__deprecated
-extern void drm_gem_object_unreference_unlocked(struct drm_gem_object *);
-
-static inline bool
-i915_gem_object_has_struct_page(const struct drm_i915_gem_object *obj)
-{
- return obj->ops->flags & I915_GEM_OBJECT_HAS_STRUCT_PAGE;
-}
-
-static inline unsigned long
-i915_gem_object_get_active(const struct drm_i915_gem_object *obj)
-{
- return (obj->flags >> I915_BO_ACTIVE_SHIFT) & I915_BO_ACTIVE_MASK;
-}
-
-static inline bool
-i915_gem_object_is_active(const struct drm_i915_gem_object *obj)
-{
- return i915_gem_object_get_active(obj);
-}
-
-static inline void
-i915_gem_object_set_active(struct drm_i915_gem_object *obj, int engine)
-{
- obj->flags |= BIT(engine + I915_BO_ACTIVE_SHIFT);
-}
-
-static inline void
-i915_gem_object_clear_active(struct drm_i915_gem_object *obj, int engine)
-{
- obj->flags &= ~BIT(engine + I915_BO_ACTIVE_SHIFT);
-}
-
-static inline bool
-i915_gem_object_has_active_engine(const struct drm_i915_gem_object *obj,
- int engine)
-{
- return obj->flags & BIT(engine + I915_BO_ACTIVE_SHIFT);
-}
-
-static inline unsigned int
-i915_gem_object_get_tiling(struct drm_i915_gem_object *obj)
-{
- return obj->tiling_and_stride & TILING_MASK;
-}
-
-static inline bool
-i915_gem_object_is_tiled(struct drm_i915_gem_object *obj)
-{
- return i915_gem_object_get_tiling(obj) != I915_TILING_NONE;
-}
-
-static inline unsigned int
-i915_gem_object_get_stride(struct drm_i915_gem_object *obj)
-{
- return obj->tiling_and_stride & STRIDE_MASK;
-}
-
-static inline struct i915_vma *i915_vma_get(struct i915_vma *vma)
-{
- i915_gem_object_get(vma->obj);
- return vma;
-}
-
-static inline void i915_vma_put(struct i915_vma *vma)
-{
- lockdep_assert_held(&vma->vm->dev->struct_mutex);
- i915_gem_object_put(vma->obj);
-}
-
/*
* Optimised SGL iterator for GEM objects
*/
return s;
}
+static inline struct scatterlist *____sg_next(struct scatterlist *sg)
+{
+ ++sg;
+ if (unlikely(sg_is_chain(sg)))
+ sg = sg_chain_ptr(sg);
+ return sg;
+}
+
/**
* __sg_next - return the next scatterlist entry in a list
* @sg: The current sg entry
#ifdef CONFIG_DEBUG_SG
BUG_ON(sg->sg_magic != SG_MAGIC);
#endif
- return sg_is_last(sg) ? NULL :
- likely(!sg_is_chain(++sg)) ? sg :
- sg_chain_ptr(sg);
+ return sg_is_last(sg) ? NULL : ____sg_next(sg);
}
/**
(((__iter).curr += PAGE_SIZE) < (__iter).max) || \
((__iter) = __sgt_iter(__sg_next((__iter).sgp), false), 0))
-/*
- * A command that requires special handling by the command parser.
- */
-struct drm_i915_cmd_descriptor {
- /*
- * Flags describing how the command parser processes the command.
- *
- * CMD_DESC_FIXED: The command has a fixed length if this is set,
- * a length mask if not set
- * CMD_DESC_SKIP: The command is allowed but does not follow the
- * standard length encoding for the opcode range in
- * which it falls
- * CMD_DESC_REJECT: The command is never allowed
- * CMD_DESC_REGISTER: The command should be checked against the
- * register whitelist for the appropriate ring
- * CMD_DESC_MASTER: The command is allowed if the submitting process
- * is the DRM master
- */
- u32 flags;
-#define CMD_DESC_FIXED (1<<0)
-#define CMD_DESC_SKIP (1<<1)
-#define CMD_DESC_REJECT (1<<2)
-#define CMD_DESC_REGISTER (1<<3)
-#define CMD_DESC_BITMASK (1<<4)
-#define CMD_DESC_MASTER (1<<5)
-
- /*
- * The command's unique identification bits and the bitmask to get them.
- * This isn't strictly the opcode field as defined in the spec and may
- * also include type, subtype, and/or subop fields.
- */
- struct {
- u32 value;
- u32 mask;
- } cmd;
-
- /*
- * The command's length. The command is either fixed length (i.e. does
- * not include a length field) or has a length field mask. The flag
- * CMD_DESC_FIXED indicates a fixed length. Otherwise, the command has
- * a length mask. All command entries in a command table must include
- * length information.
- */
- union {
- u32 fixed;
- u32 mask;
- } length;
-
- /*
- * Describes where to find a register address in the command to check
- * against the ring's register whitelist. Only valid if flags has the
- * CMD_DESC_REGISTER bit set.
- *
- * A non-zero step value implies that the command may access multiple
- * registers in sequence (e.g. LRI), in that case step gives the
- * distance in dwords between individual offset fields.
- */
- struct {
- u32 offset;
- u32 mask;
- u32 step;
- } reg;
-
-#define MAX_CMD_DESC_BITMASKS 3
- /*
- * Describes command checks where a particular dword is masked and
- * compared against an expected value. If the command does not match
- * the expected value, the parser rejects it. Only valid if flags has
- * the CMD_DESC_BITMASK bit set. Only entries where mask is non-zero
- * are valid.
- *
- * If the check specifies a non-zero condition_mask then the parser
- * only performs the check when the bits specified by condition_mask
- * are non-zero.
- */
- struct {
- u32 offset;
- u32 mask;
- u32 expected;
- u32 condition_offset;
- u32 condition_mask;
- } bits[MAX_CMD_DESC_BITMASKS];
-};
-
-/*
- * A table of commands requiring special handling by the command parser.
- *
- * Each engine has an array of tables. Each table consists of an array of
- * command descriptors, which must be sorted with command opcodes in
- * ascending order.
- */
-struct drm_i915_cmd_table {
- const struct drm_i915_cmd_descriptor *table;
- int count;
-};
+static inline const struct intel_device_info *
+intel_info(const struct drm_i915_private *dev_priv)
+{
+ return &dev_priv->info;
+}
-/* Note that the (struct drm_i915_private *) cast is just to shut up gcc. */
-#define __I915__(p) ({ \
- struct drm_i915_private *__p; \
- if (__builtin_types_compatible_p(typeof(*p), struct drm_i915_private)) \
- __p = (struct drm_i915_private *)p; \
- else if (__builtin_types_compatible_p(typeof(*p), struct drm_device)) \
- __p = to_i915((struct drm_device *)p); \
- else \
- BUILD_BUG(); \
- __p; \
-})
-#define INTEL_INFO(p) (&__I915__(p)->info)
+#define INTEL_INFO(dev_priv) intel_info((dev_priv))
#define INTEL_GEN(dev_priv) ((dev_priv)->info.gen)
#define INTEL_DEVID(dev_priv) ((dev_priv)->info.device_id)
#define REVID_FOREVER 0xff
-#define INTEL_REVID(p) (__I915__(p)->drm.pdev->revision)
+#define INTEL_REVID(dev_priv) ((dev_priv)->drm.pdev->revision)
#define GEN_FOREVER (0)
/*
#define IS_I830(dev_priv) (INTEL_DEVID(dev_priv) == 0x3577)
#define IS_845G(dev_priv) (INTEL_DEVID(dev_priv) == 0x2562)
-#define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
+#define IS_I85X(dev_priv) ((dev_priv)->info.is_i85x)
#define IS_I865G(dev_priv) (INTEL_DEVID(dev_priv) == 0x2572)
-#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
+#define IS_I915G(dev_priv) ((dev_priv)->info.is_i915g)
#define IS_I915GM(dev_priv) (INTEL_DEVID(dev_priv) == 0x2592)
#define IS_I945G(dev_priv) (INTEL_DEVID(dev_priv) == 0x2772)
-#define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
-#define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
-#define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
+#define IS_I945GM(dev_priv) ((dev_priv)->info.is_i945gm)
+#define IS_BROADWATER(dev_priv) ((dev_priv)->info.is_broadwater)
+#define IS_CRESTLINE(dev_priv) ((dev_priv)->info.is_crestline)
#define IS_GM45(dev_priv) (INTEL_DEVID(dev_priv) == 0x2A42)
#define IS_G4X(dev_priv) ((dev_priv)->info.is_g4x)
#define IS_PINEVIEW_G(dev_priv) (INTEL_DEVID(dev_priv) == 0xa001)
#define IS_PINEVIEW_M(dev_priv) (INTEL_DEVID(dev_priv) == 0xa011)
-#define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
-#define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
+#define IS_PINEVIEW(dev_priv) ((dev_priv)->info.is_pineview)
+#define IS_G33(dev_priv) ((dev_priv)->info.is_g33)
#define IS_IRONLAKE_M(dev_priv) (INTEL_DEVID(dev_priv) == 0x0046)
#define IS_IVYBRIDGE(dev_priv) ((dev_priv)->info.is_ivybridge)
#define IS_IVB_GT1(dev_priv) (INTEL_DEVID(dev_priv) == 0x0156 || \
#define IS_BROADWELL(dev_priv) ((dev_priv)->info.is_broadwell)
#define IS_SKYLAKE(dev_priv) ((dev_priv)->info.is_skylake)
#define IS_BROXTON(dev_priv) ((dev_priv)->info.is_broxton)
+#define IS_GEMINILAKE(dev_priv) ((dev_priv)->info.is_geminilake)
#define IS_KABYLAKE(dev_priv) ((dev_priv)->info.is_kabylake)
-#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
+#define IS_MOBILE(dev_priv) ((dev_priv)->info.is_mobile)
#define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
(INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00)
#define IS_BDW_ULT(dev_priv) (IS_BROADWELL(dev_priv) && \
#define IS_SKL_GT4(dev_priv) (IS_SKYLAKE(dev_priv) && \
(INTEL_DEVID(dev_priv) & 0x00F0) == 0x0030)
-#define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
+#define IS_ALPHA_SUPPORT(intel_info) ((intel_info)->is_alpha_support)
#define SKL_REVID_A0 0x0
#define SKL_REVID_B0 0x1
#define BXT_REVID_A0 0x0
#define BXT_REVID_A1 0x1
#define BXT_REVID_B0 0x3
+#define BXT_REVID_B_LAST 0x8
#define BXT_REVID_C0 0x9
#define IS_BXT_REVID(dev_priv, since, until) \
#define IS_GEN8(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(7)))
#define IS_GEN9(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(8)))
+#define IS_GEN9_LP(dev_priv) (IS_GEN9(dev_priv) && INTEL_INFO(dev_priv)->is_lp)
+
#define ENGINE_MASK(id) BIT(id)
#define RENDER_RING ENGINE_MASK(RCS)
#define BSD_RING ENGINE_MASK(VCS)
#define ALL_ENGINES (~0)
#define HAS_ENGINE(dev_priv, id) \
- (!!(INTEL_INFO(dev_priv)->ring_mask & ENGINE_MASK(id)))
+ (!!((dev_priv)->info.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_BLT(dev_priv) HAS_ENGINE(dev_priv, BCS)
#define HAS_VEBOX(dev_priv) HAS_ENGINE(dev_priv, VECS)
-#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_LLC(dev_priv) ((dev_priv)->info.has_llc)
+#define HAS_SNOOP(dev_priv) ((dev_priv)->info.has_snoop)
+#define HAS_EDRAM(dev_priv) (!!((dev_priv)->edram_cap & EDRAM_ENABLED))
#define HAS_WT(dev_priv) ((IS_HASWELL(dev_priv) || \
IS_BROADWELL(dev_priv)) && HAS_EDRAM(dev_priv))
-#define HWS_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->hws_needs_physical)
-#define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->has_hw_contexts)
-#define HAS_LOGICAL_RING_CONTEXTS(dev) (INTEL_INFO(dev)->has_logical_ring_contexts)
-#define USES_PPGTT(dev) (i915.enable_ppgtt)
-#define USES_FULL_PPGTT(dev) (i915.enable_ppgtt >= 2)
-#define USES_FULL_48BIT_PPGTT(dev) (i915.enable_ppgtt == 3)
+#define HWS_NEEDS_PHYSICAL(dev_priv) ((dev_priv)->info.hws_needs_physical)
-#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
-#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
+#define HAS_HW_CONTEXTS(dev_priv) ((dev_priv)->info.has_hw_contexts)
+#define HAS_LOGICAL_RING_CONTEXTS(dev_priv) \
+ ((dev_priv)->info.has_logical_ring_contexts)
+#define USES_PPGTT(dev_priv) (i915.enable_ppgtt)
+#define USES_FULL_PPGTT(dev_priv) (i915.enable_ppgtt >= 2)
+#define USES_FULL_48BIT_PPGTT(dev_priv) (i915.enable_ppgtt == 3)
+
+#define HAS_OVERLAY(dev_priv) ((dev_priv)->info.has_overlay)
+#define OVERLAY_NEEDS_PHYSICAL(dev_priv) \
+ ((dev_priv)->info.overlay_needs_physical)
/* Early gen2 have a totally busted CS tlb and require pinned batches. */
#define HAS_BROKEN_CS_TLB(dev_priv) (IS_I830(dev_priv) || IS_845G(dev_priv))
* legacy irq no. is shared with another device. The kernel then disables that
* interrupt source and so prevents the other device from working properly.
*/
-#define HAS_AUX_IRQ(dev) (INTEL_INFO(dev)->gen >= 5)
-#define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->has_gmbus_irq)
+#define HAS_AUX_IRQ(dev_priv) ((dev_priv)->info.gen >= 5)
+#define HAS_GMBUS_IRQ(dev_priv) ((dev_priv)->info.has_gmbus_irq)
/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
* rows, which changed the alignment requirements and fence programming.
#define HAS_128_BYTE_Y_TILING(dev_priv) (!IS_GEN2(dev_priv) && \
!(IS_I915G(dev_priv) || \
IS_I915GM(dev_priv)))
-#define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
-#define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
+#define SUPPORTS_TV(dev_priv) ((dev_priv)->info.supports_tv)
+#define I915_HAS_HOTPLUG(dev_priv) ((dev_priv)->info.has_hotplug)
-#define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
-#define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
-#define HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
+#define HAS_FW_BLC(dev_priv) (INTEL_GEN(dev_priv) > 2)
+#define HAS_PIPE_CXSR(dev_priv) ((dev_priv)->info.has_pipe_cxsr)
+#define HAS_FBC(dev_priv) ((dev_priv)->info.has_fbc)
#define HAS_IPS(dev_priv) (IS_HSW_ULT(dev_priv) || IS_BROADWELL(dev_priv))
-#define HAS_DP_MST(dev) (INTEL_INFO(dev)->has_dp_mst)
+#define HAS_DP_MST(dev_priv) ((dev_priv)->info.has_dp_mst)
-#define HAS_DDI(dev_priv) ((dev_priv)->info.has_ddi)
-#define HAS_FPGA_DBG_UNCLAIMED(dev) (INTEL_INFO(dev)->has_fpga_dbg)
-#define HAS_PSR(dev) (INTEL_INFO(dev)->has_psr)
-#define HAS_RC6(dev) (INTEL_INFO(dev)->has_rc6)
-#define HAS_RC6p(dev) (INTEL_INFO(dev)->has_rc6p)
+#define HAS_DDI(dev_priv) ((dev_priv)->info.has_ddi)
+#define HAS_FPGA_DBG_UNCLAIMED(dev_priv) ((dev_priv)->info.has_fpga_dbg)
+#define HAS_PSR(dev_priv) ((dev_priv)->info.has_psr)
+#define HAS_RC6(dev_priv) ((dev_priv)->info.has_rc6)
+#define HAS_RC6p(dev_priv) ((dev_priv)->info.has_rc6p)
-#define HAS_CSR(dev) (INTEL_INFO(dev)->has_csr)
+#define HAS_CSR(dev_priv) ((dev_priv)->info.has_csr)
#define HAS_RUNTIME_PM(dev_priv) ((dev_priv)->info.has_runtime_pm)
+#define HAS_64BIT_RELOC(dev_priv) ((dev_priv)->info.has_64bit_reloc)
+
/*
* For now, anything with a GuC requires uCode loading, and then supports
* command submission once loaded. But these are logically independent
* properties, so we have separate macros to test them.
*/
-#define HAS_GUC(dev) (INTEL_INFO(dev)->has_guc)
-#define HAS_GUC_UCODE(dev) (HAS_GUC(dev))
-#define HAS_GUC_SCHED(dev) (HAS_GUC(dev))
+#define HAS_GUC(dev_priv) ((dev_priv)->info.has_guc)
+#define HAS_GUC_UCODE(dev_priv) (HAS_GUC(dev_priv))
+#define HAS_GUC_SCHED(dev_priv) (HAS_GUC(dev_priv))
-#define HAS_RESOURCE_STREAMER(dev) (INTEL_INFO(dev)->has_resource_streamer)
+#define HAS_RESOURCE_STREAMER(dev_priv) ((dev_priv)->info.has_resource_streamer)
-#define HAS_POOLED_EU(dev) (INTEL_INFO(dev)->has_pooled_eu)
+#define HAS_POOLED_EU(dev_priv) ((dev_priv)->info.has_pooled_eu)
#define INTEL_PCH_DEVICE_ID_MASK 0xff00
#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
#define GT_FREQUENCY_MULTIPLIER 50
#define GEN9_FREQ_SCALER 3
+#define HAS_DECOUPLED_MMIO(dev_priv) (INTEL_INFO(dev_priv)->has_decoupled_mmio)
+
#include "i915_trace.h"
static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv)
return false;
}
-extern int i915_suspend_switcheroo(struct drm_device *dev, pm_message_t state);
-extern int i915_resume_switcheroo(struct drm_device *dev);
-
int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
int enable_ppgtt);
#ifdef CONFIG_COMPAT
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
+#else
+#define i915_compat_ioctl NULL
#endif
extern const struct dev_pm_ops i915_pm_ops;
extern void i915_reset(struct drm_i915_private *dev_priv);
extern int intel_guc_reset(struct drm_i915_private *dev_priv);
extern void intel_engine_init_hangcheck(struct intel_engine_cs *engine);
+extern void intel_hangcheck_init(struct drm_i915_private *dev_priv);
extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv);
extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv);
extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv);
struct drm_file *file_priv);
int i915_gem_wait_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-void i915_gem_load_init(struct drm_device *dev);
-void i915_gem_load_cleanup(struct drm_device *dev);
+int i915_gem_load_init(struct drm_i915_private *dev_priv);
+void i915_gem_load_cleanup(struct drm_i915_private *dev_priv);
void i915_gem_load_init_fences(struct drm_i915_private *dev_priv);
int i915_gem_freeze(struct drm_i915_private *dev_priv);
int i915_gem_freeze_late(struct drm_i915_private *dev_priv);
-void *i915_gem_object_alloc(struct drm_device *dev);
+void *i915_gem_object_alloc(struct drm_i915_private *dev_priv);
void i915_gem_object_free(struct drm_i915_gem_object *obj);
void i915_gem_object_init(struct drm_i915_gem_object *obj,
const struct drm_i915_gem_object_ops *ops);
-struct drm_i915_gem_object *i915_gem_object_create(struct drm_device *dev,
- u64 size);
-struct drm_i915_gem_object *i915_gem_object_create_from_data(
- struct drm_device *dev, const void *data, size_t size);
+struct drm_i915_gem_object *
+i915_gem_object_create(struct drm_i915_private *dev_priv, u64 size);
+struct drm_i915_gem_object *
+i915_gem_object_create_from_data(struct drm_i915_private *dev_priv,
+ const void *data, size_t size);
void i915_gem_close_object(struct drm_gem_object *gem, struct drm_file *file);
void i915_gem_free_object(struct drm_gem_object *obj);
u64 alignment,
u64 flags);
-int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
- u32 flags);
-void __i915_vma_set_map_and_fenceable(struct i915_vma *vma);
-int __must_check i915_vma_unbind(struct i915_vma *vma);
-void i915_vma_close(struct i915_vma *vma);
-void i915_vma_destroy(struct i915_vma *vma);
-
int i915_gem_object_unbind(struct drm_i915_gem_object *obj);
-int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
-void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv);
void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
-int __must_check i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
+void i915_gem_runtime_suspend(struct drm_i915_private *dev_priv);
-static inline int __sg_page_count(struct scatterlist *sg)
+static inline int __sg_page_count(const struct scatterlist *sg)
{
return sg->length >> PAGE_SHIFT;
}
+struct scatterlist *
+i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
+ unsigned int n, unsigned int *offset);
+
+struct page *
+i915_gem_object_get_page(struct drm_i915_gem_object *obj,
+ unsigned int n);
+
struct page *
-i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj, int n);
+i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj,
+ unsigned int n);
+
+dma_addr_t
+i915_gem_object_get_dma_address(struct drm_i915_gem_object *obj,
+ unsigned long n);
+
+void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj,
+ struct sg_table *pages);
+int __i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
-static inline dma_addr_t
-i915_gem_object_get_dma_address(struct drm_i915_gem_object *obj, int n)
+static inline int __must_check
+i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
{
- if (n < obj->get_page.last) {
- obj->get_page.sg = obj->pages->sgl;
- obj->get_page.last = 0;
- }
+ might_lock(&obj->mm.lock);
- while (obj->get_page.last + __sg_page_count(obj->get_page.sg) <= n) {
- obj->get_page.last += __sg_page_count(obj->get_page.sg++);
- if (unlikely(sg_is_chain(obj->get_page.sg)))
- obj->get_page.sg = sg_chain_ptr(obj->get_page.sg);
- }
+ if (atomic_inc_not_zero(&obj->mm.pages_pin_count))
+ return 0;
- return sg_dma_address(obj->get_page.sg) + ((n - obj->get_page.last) << PAGE_SHIFT);
+ return __i915_gem_object_get_pages(obj);
}
-static inline struct page *
-i915_gem_object_get_page(struct drm_i915_gem_object *obj, int n)
+static inline void
+__i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
{
- if (WARN_ON(n >= obj->base.size >> PAGE_SHIFT))
- return NULL;
-
- if (n < obj->get_page.last) {
- obj->get_page.sg = obj->pages->sgl;
- obj->get_page.last = 0;
- }
+ GEM_BUG_ON(!obj->mm.pages);
- while (obj->get_page.last + __sg_page_count(obj->get_page.sg) <= n) {
- obj->get_page.last += __sg_page_count(obj->get_page.sg++);
- if (unlikely(sg_is_chain(obj->get_page.sg)))
- obj->get_page.sg = sg_chain_ptr(obj->get_page.sg);
- }
+ atomic_inc(&obj->mm.pages_pin_count);
+}
- return nth_page(sg_page(obj->get_page.sg), n - obj->get_page.last);
+static inline bool
+i915_gem_object_has_pinned_pages(struct drm_i915_gem_object *obj)
+{
+ return atomic_read(&obj->mm.pages_pin_count);
}
-static inline void i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
+static inline void
+__i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
{
- GEM_BUG_ON(obj->pages == NULL);
- obj->pages_pin_count++;
+ GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj));
+ GEM_BUG_ON(!obj->mm.pages);
+
+ atomic_dec(&obj->mm.pages_pin_count);
+ GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < obj->bind_count);
}
-static inline void i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
+static inline void
+i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
{
- GEM_BUG_ON(obj->pages_pin_count == 0);
- obj->pages_pin_count--;
- GEM_BUG_ON(obj->pages_pin_count < obj->bind_count);
+ __i915_gem_object_unpin_pages(obj);
}
+enum i915_mm_subclass { /* lockdep subclass for obj->mm.lock */
+ I915_MM_NORMAL = 0,
+ I915_MM_SHRINKER
+};
+
+void __i915_gem_object_put_pages(struct drm_i915_gem_object *obj,
+ enum i915_mm_subclass subclass);
+void __i915_gem_object_invalidate(struct drm_i915_gem_object *obj);
+
enum i915_map_type {
I915_MAP_WB = 0,
I915_MAP_WC,
* the kernel address space. Based on the @type of mapping, the PTE will be
* set to either WriteBack or WriteCombine (via pgprot_t).
*
- * The caller must hold the struct_mutex, and is responsible for calling
- * i915_gem_object_unpin_map() when the mapping is no longer required.
+ * The caller is responsible for calling i915_gem_object_unpin_map() when the
+ * mapping is no longer required.
*
* Returns the pointer through which to access the mapped object, or an
* ERR_PTR() on error.
* with your access, call i915_gem_object_unpin_map() to release the pin
* upon the mapping. Once the pin count reaches zero, that mapping may be
* removed.
- *
- * The caller must hold the struct_mutex.
*/
static inline void i915_gem_object_unpin_map(struct drm_i915_gem_object *obj)
{
- lockdep_assert_held(&obj->base.dev->struct_mutex);
i915_gem_object_unpin_pages(obj);
}
struct drm_i915_gem_object *new,
unsigned frontbuffer_bits);
-int __must_check i915_gem_set_seqno(struct drm_device *dev, u32 seqno);
+int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno);
struct drm_i915_gem_request *
i915_gem_find_active_request(struct intel_engine_cs *engine);
void i915_gem_reset(struct drm_i915_private *dev_priv);
void i915_gem_set_wedged(struct drm_i915_private *dev_priv);
-bool i915_gem_clflush_object(struct drm_i915_gem_object *obj, bool force);
-int __must_check i915_gem_init(struct drm_device *dev);
-int __must_check i915_gem_init_hw(struct drm_device *dev);
-void i915_gem_init_swizzling(struct drm_device *dev);
-void i915_gem_cleanup_engines(struct drm_device *dev);
+void i915_gem_clflush_object(struct drm_i915_gem_object *obj, bool force);
+int __must_check i915_gem_init(struct drm_i915_private *dev_priv);
+int __must_check i915_gem_init_hw(struct drm_i915_private *dev_priv);
+void i915_gem_init_swizzling(struct drm_i915_private *dev_priv);
+void i915_gem_cleanup_engines(struct drm_i915_private *dev_priv);
int __must_check i915_gem_wait_for_idle(struct drm_i915_private *dev_priv,
unsigned int flags);
-int __must_check i915_gem_suspend(struct drm_device *dev);
-void i915_gem_resume(struct drm_device *dev);
+int __must_check i915_gem_suspend(struct drm_i915_private *dev_priv);
+void i915_gem_resume(struct drm_i915_private *dev_priv);
int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
-int __must_check
-i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
- bool readonly);
+int i915_gem_object_wait(struct drm_i915_gem_object *obj,
+ unsigned int flags,
+ long timeout,
+ struct intel_rps_client *rps);
+int i915_gem_object_wait_priority(struct drm_i915_gem_object *obj,
+ unsigned int flags,
+ int priority);
+#define I915_PRIORITY_DISPLAY I915_PRIORITY_MAX
+
int __must_check
i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj,
bool write);
return i915_ggtt_offset(i915_gem_object_to_ggtt(o, view));
}
-/* i915_gem_fence.c */
+/* i915_gem_fence_reg.c */
int __must_check i915_vma_get_fence(struct i915_vma *vma);
int __must_check i915_vma_put_fence(struct i915_vma *vma);
-/**
- * i915_vma_pin_fence - pin fencing state
- * @vma: vma to pin fencing for
- *
- * This pins the fencing state (whether tiled or untiled) to make sure the
- * vma (and its object) is ready to be used as a scanout target. Fencing
- * status must be synchronize first by calling i915_vma_get_fence():
- *
- * The resulting fence pin reference must be released again with
- * i915_vma_unpin_fence().
- *
- * Returns:
- *
- * True if the vma has a fence, false otherwise.
- */
-static inline bool
-i915_vma_pin_fence(struct i915_vma *vma)
-{
- if (vma->fence) {
- vma->fence->pin_count++;
- return true;
- } else
- return false;
-}
-
-/**
- * i915_vma_unpin_fence - unpin fencing state
- * @vma: vma to unpin fencing for
- *
- * This releases the fence pin reference acquired through
- * i915_vma_pin_fence. It will handle both objects with and without an
- * attached fence correctly, callers do not need to distinguish this.
- */
-static inline void
-i915_vma_unpin_fence(struct i915_vma *vma)
-{
- if (vma->fence) {
- GEM_BUG_ON(vma->fence->pin_count <= 0);
- vma->fence->pin_count--;
- }
-}
-
-void i915_gem_restore_fences(struct drm_device *dev);
+void i915_gem_restore_fences(struct drm_i915_private *dev_priv);
-void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
-void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj);
-void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj);
+void i915_gem_detect_bit_6_swizzle(struct drm_i915_private *dev_priv);
+void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj,
+ struct sg_table *pages);
+void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj,
+ struct sg_table *pages);
/* i915_gem_context.c */
-int __must_check i915_gem_context_init(struct drm_device *dev);
+int __must_check i915_gem_context_init(struct drm_i915_private *dev_priv);
void i915_gem_context_lost(struct drm_i915_private *dev_priv);
-void i915_gem_context_fini(struct drm_device *dev);
+void i915_gem_context_fini(struct drm_i915_private *dev_priv);
int i915_gem_context_open(struct drm_device *dev, struct drm_file *file);
void i915_gem_context_close(struct drm_device *dev, struct drm_file *file);
int i915_switch_context(struct drm_i915_gem_request *req);
int i915_gem_switch_to_kernel_context(struct drm_i915_private *dev_priv);
+struct i915_vma *
+i915_gem_context_pin_legacy(struct i915_gem_context *ctx,
+ unsigned int flags);
void i915_gem_context_free(struct kref *ctx_ref);
-struct drm_i915_gem_object *
-i915_gem_alloc_context_obj(struct drm_device *dev, size_t size);
struct i915_gem_context *
i915_gem_context_create_gvt(struct drm_device *dev);
kref_put(&ctx->ref, i915_gem_context_free);
}
+static inline struct intel_timeline *
+i915_gem_context_lookup_timeline(struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine)
+{
+ struct i915_address_space *vm;
+
+ vm = ctx->ppgtt ? &ctx->ppgtt->base : &ctx->i915->ggtt.base;
+ return &vm->timeline.engine[engine->id];
+}
+
static inline bool i915_gem_context_is_default(const struct i915_gem_context *c)
{
return c->user_handle == DEFAULT_CONTEXT_HANDLE;
int i915_gem_context_reset_stats_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
+int i915_perf_open_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file);
+
/* i915_gem_evict.c */
int __must_check i915_gem_evict_something(struct i915_address_space *vm,
u64 min_size, u64 alignment,
u64 end);
void i915_gem_stolen_remove_node(struct drm_i915_private *dev_priv,
struct drm_mm_node *node);
-int i915_gem_init_stolen(struct drm_device *dev);
+int i915_gem_init_stolen(struct drm_i915_private *dev_priv);
void i915_gem_cleanup_stolen(struct drm_device *dev);
struct drm_i915_gem_object *
-i915_gem_object_create_stolen(struct drm_device *dev, u32 size);
+i915_gem_object_create_stolen(struct drm_i915_private *dev_priv, u32 size);
struct drm_i915_gem_object *
-i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
+i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *dev_priv,
u32 stolen_offset,
u32 gtt_offset,
u32 size);
+/* i915_gem_internal.c */
+struct drm_i915_gem_object *
+i915_gem_object_create_internal(struct drm_i915_private *dev_priv,
+ unsigned int size);
+
/* i915_gem_shrinker.c */
unsigned long i915_gem_shrink(struct drm_i915_private *dev_priv,
unsigned long target,
void i915_error_state_get(struct drm_device *dev,
struct i915_error_state_file_priv *error_priv);
void i915_error_state_put(struct i915_error_state_file_priv *error_priv);
-void i915_destroy_error_state(struct drm_device *dev);
+void i915_destroy_error_state(struct drm_i915_private *dev_priv);
#else
{
}
-static inline void i915_destroy_error_state(struct drm_device *dev)
+static inline void i915_destroy_error_state(struct drm_i915_private *dev_priv)
{
}
int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv);
void intel_engine_init_cmd_parser(struct intel_engine_cs *engine);
void intel_engine_cleanup_cmd_parser(struct intel_engine_cs *engine);
-bool intel_engine_needs_cmd_parser(struct intel_engine_cs *engine);
int intel_engine_cmd_parser(struct intel_engine_cs *engine,
struct drm_i915_gem_object *batch_obj,
struct drm_i915_gem_object *shadow_batch_obj,
u32 batch_len,
bool is_master);
+/* i915_perf.c */
+extern void i915_perf_init(struct drm_i915_private *dev_priv);
+extern void i915_perf_fini(struct drm_i915_private *dev_priv);
+extern void i915_perf_register(struct drm_i915_private *dev_priv);
+extern void i915_perf_unregister(struct drm_i915_private *dev_priv);
+
/* i915_suspend.c */
-extern int i915_save_state(struct drm_device *dev);
-extern int i915_restore_state(struct drm_device *dev);
+extern int i915_save_state(struct drm_i915_private *dev_priv);
+extern int i915_restore_state(struct drm_i915_private *dev_priv);
/* i915_sysfs.c */
void i915_setup_sysfs(struct drm_i915_private *dev_priv);
void i915_teardown_sysfs(struct drm_i915_private *dev_priv);
/* intel_i2c.c */
-extern int intel_setup_gmbus(struct drm_device *dev);
-extern void intel_teardown_gmbus(struct drm_device *dev);
+extern int intel_setup_gmbus(struct drm_i915_private *dev_priv);
+extern void intel_teardown_gmbus(struct drm_i915_private *dev_priv);
extern bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv,
unsigned int pin);
{
return container_of(adapter, struct intel_gmbus, adapter)->force_bit;
}
-extern void intel_i2c_reset(struct drm_device *dev);
+extern void intel_i2c_reset(struct drm_i915_private *dev_priv);
/* intel_bios.c */
int intel_bios_init(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);
+extern int intel_modeset_init(struct drm_device *dev);
extern void intel_modeset_gem_init(struct drm_device *dev);
extern void intel_modeset_cleanup(struct drm_device *dev);
extern int intel_connector_register(struct drm_connector *);
extern void intel_connector_unregister(struct drm_connector *);
-extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
+extern int intel_modeset_vga_set_state(struct drm_i915_private *dev_priv,
+ bool state);
extern void intel_display_resume(struct drm_device *dev);
-extern void i915_redisable_vga(struct drm_device *dev);
-extern void i915_redisable_vga_power_on(struct drm_device *dev);
+extern void i915_redisable_vga(struct drm_i915_private *dev_priv);
+extern void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv);
extern bool ironlake_set_drps(struct drm_i915_private *dev_priv, u8 val);
-extern void intel_init_pch_refclk(struct drm_device *dev);
+extern void intel_init_pch_refclk(struct drm_i915_private *dev_priv);
extern void intel_set_rps(struct drm_i915_private *dev_priv, u8 val);
extern void intel_set_memory_cxsr(struct drm_i915_private *dev_priv,
bool enable);
extern struct intel_display_error_state *
intel_display_capture_error_state(struct drm_i915_private *dev_priv);
extern void intel_display_print_error_state(struct drm_i915_error_state_buf *e,
- struct drm_device *dev,
+ struct drm_i915_private *dev_priv,
struct intel_display_error_state *error);
int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val);
void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
/* intel_dpio_phy.c */
+void bxt_port_to_phy_channel(enum port port,
+ enum dpio_phy *phy, enum dpio_channel *ch);
+void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv,
+ enum port port, u32 margin, u32 scale,
+ u32 enable, u32 deemphasis);
+void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy);
+void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy);
+bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
+ enum dpio_phy phy);
+bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
+ enum dpio_phy phy);
+uint8_t bxt_ddi_phy_calc_lane_lat_optim_mask(struct intel_encoder *encoder,
+ uint8_t lane_count);
+void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder,
+ uint8_t lane_lat_optim_mask);
+uint8_t bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder);
+
void chv_set_phy_signal_level(struct intel_encoder *encoder,
u32 deemph_reg_value, u32 margin_reg_value,
bool uniq_trans_scale);
#undef __raw_write
/* These are untraced mmio-accessors that are only valid to be used inside
- * critical sections inside IRQ handlers where forcewake is explicitly
+ * critical sections, such as inside IRQ handlers, where forcewake is explicitly
* controlled.
+ *
* Think twice, and think again, before using these.
- * Note: Should only be used between intel_uncore_forcewake_irqlock() and
- * intel_uncore_forcewake_irqunlock().
+ *
+ * As an example, these accessors can possibly be used between:
+ *
+ * spin_lock_irq(&dev_priv->uncore.lock);
+ * intel_uncore_forcewake_get__locked();
+ *
+ * and
+ *
+ * intel_uncore_forcewake_put__locked();
+ * spin_unlock_irq(&dev_priv->uncore.lock);
+ *
+ *
+ * Note: some registers may not need forcewake held, so
+ * intel_uncore_forcewake_{get,put} can be omitted, see
+ * intel_uncore_forcewake_for_reg().
+ *
+ * Certain architectures will die if the same cacheline is concurrently accessed
+ * by different clients (e.g. on Ivybridge). Access to registers should
+ * therefore generally be serialised, by either the dev_priv->uncore.lock or
+ * a more localised lock guarding all access to that bank of registers.
*/
#define I915_READ_FW(reg__) __raw_i915_read32(dev_priv, (reg__))
#define I915_WRITE_FW(reg__, val__) __raw_i915_write32(dev_priv, (reg__), (val__))
/* Before we do the heavier coherent read of the seqno,
* check the value (hopefully) in the CPU cacheline.
*/
- if (i915_gem_request_completed(req))
+ if (__i915_gem_request_completed(req))
return true;
/* Ensure our read of the seqno is coherent so that we
wake_up_process(tsk);
rcu_read_unlock();
- if (i915_gem_request_completed(req))
+ if (__i915_gem_request_completed(req))
return true;
}