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authorDaniel Vetter <daniel.vetter@ffwll.ch>2014-01-25 20:14:57 (GMT)
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-01-25 20:14:57 (GMT)
commit0e5539b923e3cfb79512b61f6f6137f865160804 (patch)
treecb4c21b9b4cda572d98492f6e0020dfb4fb51146 /drivers
parentfc2c807b7a2b2ca8dbe2aed2f5ae730c19beeda5 (diff)
parentf72d21eddfa900bfa2674195dcc0203e18d0cc62 (diff)
downloadlinux-0e5539b923e3cfb79512b61f6f6137f865160804.tar.xz
Merge branch 'topic/ppgtt' into drm-intel-next-queued
Because whatever.* * This should contain a fairly long list of issues and still unresolved resgressions, but I didn't really get a vote. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c40
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c6
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c3
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h226
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c236
-rw-r--r--drivers/gpu/drm/i915/i915_gem_context.c423
-rw-r--r--drivers/gpu/drm/i915/i915_gem_evict.c5
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c162
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c673
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c2
-rw-r--r--drivers/gpu/drm/i915/i915_gpu_error.c68
-rw-r--r--drivers/gpu/drm/i915/intel_fbdev.c4
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c8
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c6
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c12
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c8
16 files changed, 1280 insertions, 602 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index aa43223..473dda2 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -98,7 +98,7 @@ static const char *get_pin_flag(struct drm_i915_gem_object *obj)
{
if (obj->user_pin_count > 0)
return "P";
- else if (obj->pin_count > 0)
+ else if (i915_gem_obj_is_pinned(obj))
return "p";
else
return " ";
@@ -123,6 +123,8 @@ static void
describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
{
struct i915_vma *vma;
+ int pin_count = 0;
+
seq_printf(m, "%pK: %s%s%s %8zdKiB %02x %02x %u %u %u%s%s%s",
&obj->base,
get_pin_flag(obj),
@@ -139,8 +141,10 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
if (obj->base.name)
seq_printf(m, " (name: %d)", obj->base.name);
- if (obj->pin_count)
- seq_printf(m, " (pinned x %d)", obj->pin_count);
+ list_for_each_entry(vma, &obj->vma_list, vma_link)
+ if (vma->pin_count > 0)
+ pin_count++;
+ seq_printf(m, " (pinned x %d)", pin_count);
if (obj->pin_display)
seq_printf(m, " (display)");
if (obj->fence_reg != I915_FENCE_REG_NONE)
@@ -447,7 +451,7 @@ static int i915_gem_gtt_info(struct seq_file *m, void *data)
total_obj_size = total_gtt_size = count = 0;
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
- if (list == PINNED_LIST && obj->pin_count == 0)
+ if (list == PINNED_LIST && !i915_gem_obj_is_pinned(obj))
continue;
seq_puts(m, " ");
@@ -1731,6 +1735,17 @@ static int i915_swizzle_info(struct seq_file *m, void *data)
return 0;
}
+static int per_file_ctx(int id, void *ptr, void *data)
+{
+ struct i915_hw_context *ctx = ptr;
+ struct seq_file *m = data;
+ struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(ctx);
+
+ ppgtt->debug_dump(ppgtt, m);
+
+ return 0;
+}
+
static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1760,6 +1775,7 @@ static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring;
+ struct drm_file *file;
int i;
if (INTEL_INFO(dev)->gen == 6)
@@ -1778,6 +1794,20 @@ static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev)
seq_puts(m, "aliasing PPGTT:\n");
seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset);
+
+ ppgtt->debug_dump(ppgtt, m);
+ } else
+ return;
+
+ list_for_each_entry_reverse(file, &dev->filelist, lhead) {
+ struct drm_i915_file_private *file_priv = file->driver_priv;
+ struct i915_hw_ppgtt *pvt_ppgtt;
+
+ pvt_ppgtt = ctx_to_ppgtt(file_priv->private_default_ctx);
+ seq_printf(m, "proc: %s\n",
+ get_pid_task(file->pid, PIDTYPE_PID)->comm);
+ seq_puts(m, " default context:\n");
+ idr_for_each(&file_priv->context_idr, per_file_ctx, m);
}
seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
}
@@ -2927,7 +2957,7 @@ i915_drop_caches_set(void *data, u64 val)
list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
list_for_each_entry_safe(vma, x, &vm->inactive_list,
mm_list) {
- if (vma->obj->pin_count)
+ if (vma->pin_count)
continue;
ret = i915_vma_unbind(vma);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index e177d02..ee9502b 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -990,7 +990,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
value = HAS_WT(dev);
break;
case I915_PARAM_HAS_ALIASING_PPGTT:
- value = dev_priv->mm.aliasing_ppgtt ? 1 : 0;
+ value = dev_priv->mm.aliasing_ppgtt || USES_FULL_PPGTT(dev);
break;
case I915_PARAM_HAS_WAIT_TIMEOUT:
value = 1;
@@ -1374,7 +1374,7 @@ cleanup_gem:
i915_gem_cleanup_ringbuffer(dev);
i915_gem_context_fini(dev);
mutex_unlock(&dev->struct_mutex);
- i915_gem_cleanup_aliasing_ppgtt(dev);
+ WARN_ON(dev_priv->mm.aliasing_ppgtt);
drm_mm_takedown(&dev_priv->gtt.base.mm);
cleanup_power:
intel_display_power_put(dev, POWER_DOMAIN_VGA);
@@ -1775,8 +1775,8 @@ int i915_driver_unload(struct drm_device *dev)
i915_gem_free_all_phys_object(dev);
i915_gem_cleanup_ringbuffer(dev);
i915_gem_context_fini(dev);
+ WARN_ON(dev_priv->mm.aliasing_ppgtt);
mutex_unlock(&dev->struct_mutex);
- i915_gem_cleanup_aliasing_ppgtt(dev);
i915_gem_cleanup_stolen(dev);
if (!I915_NEED_GFX_HWS(dev))
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index c46e0a1..82c4605 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -113,7 +113,8 @@ MODULE_PARM_DESC(enable_hangcheck,
int i915_enable_ppgtt __read_mostly = -1;
module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0400);
MODULE_PARM_DESC(i915_enable_ppgtt,
- "Enable PPGTT (default: true)");
+ "Override PPGTT usage. "
+ "(-1=auto [default], 0=disabled, 1=aliasing, 2=full)");
int i915_enable_psr __read_mostly = 0;
module_param_named(enable_psr, i915_enable_psr, int, 0600);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5625482..20f0e78 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -523,6 +523,57 @@ enum i915_cache_level {
typedef uint32_t gen6_gtt_pte_t;
+/**
+ * A VMA represents a GEM BO that is bound into an address space. Therefore, a
+ * VMA's presence cannot be guaranteed before binding, or after unbinding the
+ * object into/from the address space.
+ *
+ * To make things as simple as possible (ie. no refcounting), a VMA's lifetime
+ * will always be <= an objects lifetime. So object refcounting should cover us.
+ */
+struct i915_vma {
+ struct drm_mm_node node;
+ struct drm_i915_gem_object *obj;
+ struct i915_address_space *vm;
+
+ /** This object's place on the active/inactive lists */
+ struct list_head mm_list;
+
+ struct list_head vma_link; /* Link in the object's VMA list */
+
+ /** This vma's place in the batchbuffer or on the eviction list */
+ struct list_head exec_list;
+
+ /**
+ * Used for performing relocations during execbuffer insertion.
+ */
+ struct hlist_node exec_node;
+ unsigned long exec_handle;
+ struct drm_i915_gem_exec_object2 *exec_entry;
+
+ /**
+ * How many users have pinned this object in GTT space. The following
+ * users can each hold at most one reference: pwrite/pread, pin_ioctl
+ * (via user_pin_count), execbuffer (objects are not allowed multiple
+ * times for the same batchbuffer), and the framebuffer code. When
+ * switching/pageflipping, the framebuffer code has at most two buffers
+ * pinned per crtc.
+ *
+ * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
+ * bits with absolutely no headroom. So use 4 bits. */
+ unsigned int pin_count:4;
+#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
+
+ /** Unmap an object from an address space. This usually consists of
+ * setting the valid PTE entries to a reserved scratch page. */
+ void (*unbind_vma)(struct i915_vma *vma);
+ /* Map an object into an address space with the given cache flags. */
+#define GLOBAL_BIND (1<<0)
+ void (*bind_vma)(struct i915_vma *vma,
+ enum i915_cache_level cache_level,
+ u32 flags);
+};
+
struct i915_address_space {
struct drm_mm mm;
struct drm_device *dev;
@@ -604,6 +655,8 @@ struct i915_gtt {
struct i915_hw_ppgtt {
struct i915_address_space base;
+ struct kref ref;
+ struct drm_mm_node node;
unsigned num_pd_entries;
union {
struct page **pt_pages;
@@ -620,37 +673,12 @@ struct i915_hw_ppgtt {
dma_addr_t *pt_dma_addr;
dma_addr_t *gen8_pt_dma_addr[4];
};
- int (*enable)(struct drm_device *dev);
-};
-
-/**
- * A VMA represents a GEM BO that is bound into an address space. Therefore, a
- * VMA's presence cannot be guaranteed before binding, or after unbinding the
- * object into/from the address space.
- *
- * To make things as simple as possible (ie. no refcounting), a VMA's lifetime
- * will always be <= an objects lifetime. So object refcounting should cover us.
- */
-struct i915_vma {
- struct drm_mm_node node;
- struct drm_i915_gem_object *obj;
- struct i915_address_space *vm;
-
- /** This object's place on the active/inactive lists */
- struct list_head mm_list;
-
- struct list_head vma_link; /* Link in the object's VMA list */
-
- /** This vma's place in the batchbuffer or on the eviction list */
- struct list_head exec_list;
-
- /**
- * Used for performing relocations during execbuffer insertion.
- */
- struct hlist_node exec_node;
- unsigned long exec_handle;
- struct drm_i915_gem_exec_object2 *exec_entry;
+ int (*enable)(struct i915_hw_ppgtt *ppgtt);
+ int (*switch_mm)(struct i915_hw_ppgtt *ppgtt,
+ struct intel_ring_buffer *ring,
+ bool synchronous);
+ void (*debug_dump)(struct i915_hw_ppgtt *ppgtt, struct seq_file *m);
};
struct i915_ctx_hang_stats {
@@ -675,9 +703,10 @@ struct i915_hw_context {
bool is_initialized;
uint8_t remap_slice;
struct drm_i915_file_private *file_priv;
- struct intel_ring_buffer *ring;
+ struct intel_ring_buffer *last_ring;
struct drm_i915_gem_object *obj;
struct i915_ctx_hang_stats hang_stats;
+ struct i915_address_space *vm;
struct list_head link;
};
@@ -1622,18 +1651,6 @@ struct drm_i915_gem_object {
*/
unsigned int fence_dirty:1;
- /** How many users have pinned this object in GTT space. The following
- * users can each hold at most one reference: pwrite/pread, pin_ioctl
- * (via user_pin_count), execbuffer (objects are not allowed multiple
- * times for the same batchbuffer), and the framebuffer code. When
- * switching/pageflipping, the framebuffer code has at most two buffers
- * pinned per crtc.
- *
- * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
- * bits with absolutely no headroom. So use 4 bits. */
- unsigned int pin_count:4;
-#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
-
/**
* Is the object at the current location in the gtt mappable and
* fenceable? Used to avoid costly recalculations.
@@ -1746,7 +1763,7 @@ struct drm_i915_file_private {
} mm;
struct idr context_idr;
- struct i915_ctx_hang_stats hang_stats;
+ struct i915_hw_context *private_default_ctx;
atomic_t rps_wait_boost;
};
@@ -1819,7 +1836,10 @@ struct drm_i915_file_private {
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
#define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
-#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >=6 && !IS_VALLEYVIEW(dev))
+#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6 && !IS_VALLEYVIEW(dev))
+#define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev) && !IS_BROADWELL(dev))
+#define USES_ALIASING_PPGTT(dev) intel_enable_ppgtt(dev, false)
+#define USES_FULL_PPGTT(dev) intel_enable_ppgtt(dev, true)
#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
@@ -2000,6 +2020,8 @@ 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_alloc_object(struct drm_device *dev,
size_t size);
+void i915_init_vm(struct drm_i915_private *dev_priv,
+ struct i915_address_space *vm);
void i915_gem_free_object(struct drm_gem_object *obj);
void i915_gem_vma_destroy(struct i915_vma *vma);
@@ -2008,7 +2030,7 @@ int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
uint32_t alignment,
bool map_and_fenceable,
bool nonblocking);
-void i915_gem_object_unpin(struct drm_i915_gem_object *obj);
+void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
int __must_check i915_vma_unbind(struct i915_vma *vma);
int __must_check i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj);
int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
@@ -2172,6 +2194,13 @@ i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
struct i915_address_space *vm);
struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj);
+static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) {
+ struct i915_vma *vma;
+ list_for_each_entry(vma, &obj->vma_list, vma_link)
+ if (vma->pin_count > 0)
+ return true;
+ return false;
+}
/* Some GGTT VM helpers */
#define obj_to_ggtt(obj) \
@@ -2211,46 +2240,51 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
}
/* i915_gem_context.c */
+#define ctx_to_ppgtt(ctx) container_of((ctx)->vm, struct i915_hw_ppgtt, base)
int __must_check i915_gem_context_init(struct drm_device *dev);
void i915_gem_context_fini(struct drm_device *dev);
+void i915_gem_context_reset(struct drm_device *dev);
+int i915_gem_context_open(struct drm_device *dev, struct drm_file *file);
+int i915_gem_context_enable(struct drm_i915_private *dev_priv);
void i915_gem_context_close(struct drm_device *dev, struct drm_file *file);
int i915_switch_context(struct intel_ring_buffer *ring,
- struct drm_file *file, int to_id);
+ struct drm_file *file, struct i915_hw_context *to);
+struct i915_hw_context *
+i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id);
void i915_gem_context_free(struct kref *ctx_ref);
static inline void i915_gem_context_reference(struct i915_hw_context *ctx)
{
- kref_get(&ctx->ref);
+ if (ctx->obj && HAS_HW_CONTEXTS(ctx->obj->base.dev))
+ kref_get(&ctx->ref);
}
static inline void i915_gem_context_unreference(struct i915_hw_context *ctx)
{
- kref_put(&ctx->ref, i915_gem_context_free);
+ if (ctx->obj && HAS_HW_CONTEXTS(ctx->obj->base.dev))
+ kref_put(&ctx->ref, i915_gem_context_free);
}
-struct i915_ctx_hang_stats * __must_check
-i915_gem_context_get_hang_stats(struct drm_device *dev,
- struct drm_file *file,
- u32 id);
int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
-/* i915_gem_gtt.c */
-void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev);
-void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt,
- struct drm_i915_gem_object *obj,
- enum i915_cache_level cache_level);
-void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt,
- struct drm_i915_gem_object *obj);
+/* i915_gem_evict.c */
+int __must_check i915_gem_evict_something(struct drm_device *dev,
+ struct i915_address_space *vm,
+ int min_size,
+ unsigned alignment,
+ unsigned cache_level,
+ bool mappable,
+ bool nonblock);
+int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle);
+int i915_gem_evict_everything(struct drm_device *dev);
+/* i915_gem_gtt.c */
void i915_check_and_clear_faults(struct drm_device *dev);
void i915_gem_suspend_gtt_mappings(struct drm_device *dev);
void i915_gem_restore_gtt_mappings(struct drm_device *dev);
int __must_check i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj);
-void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
- enum i915_cache_level cache_level);
-void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj);
void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj);
void i915_gem_init_global_gtt(struct drm_device *dev);
void i915_gem_setup_global_gtt(struct drm_device *dev, unsigned long start,
@@ -2261,18 +2295,64 @@ static inline void i915_gem_chipset_flush(struct drm_device *dev)
if (INTEL_INFO(dev)->gen < 6)
intel_gtt_chipset_flush();
}
+int i915_gem_init_ppgtt(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt);
+static inline bool intel_enable_ppgtt(struct drm_device *dev, bool full)
+{
+ if (i915_enable_ppgtt == 0 || !HAS_ALIASING_PPGTT(dev))
+ return false;
+ if (i915_enable_ppgtt == 1 && full)
+ return false;
-/* i915_gem_evict.c */
-int __must_check i915_gem_evict_something(struct drm_device *dev,
- struct i915_address_space *vm,
- int min_size,
- unsigned alignment,
- unsigned cache_level,
- bool mappable,
- bool nonblock);
-int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle);
-int i915_gem_evict_everything(struct drm_device *dev);
+#ifdef CONFIG_INTEL_IOMMU
+ /* Disable ppgtt on SNB if VT-d is on. */
+ if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped) {
+ DRM_INFO("Disabling PPGTT because VT-d is on\n");
+ return false;
+ }
+#endif
+
+ if (full)
+ return HAS_PPGTT(dev);
+ else
+ return HAS_ALIASING_PPGTT(dev);
+}
+
+static inline void ppgtt_release(struct kref *kref)
+{
+ struct i915_hw_ppgtt *ppgtt = container_of(kref, struct i915_hw_ppgtt, ref);
+ struct drm_device *dev = ppgtt->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct i915_address_space *vm = &ppgtt->base;
+
+ if (ppgtt == dev_priv->mm.aliasing_ppgtt ||
+ (list_empty(&vm->active_list) && list_empty(&vm->inactive_list))) {
+ ppgtt->base.cleanup(&ppgtt->base);
+ return;
+ }
+
+ /*
+ * Make sure vmas are unbound before we take down the drm_mm
+ *
+ * FIXME: Proper refcounting should take care of this, this shouldn't be
+ * needed at all.
+ */
+ if (!list_empty(&vm->active_list)) {
+ struct i915_vma *vma;
+
+ list_for_each_entry(vma, &vm->active_list, mm_list)
+ if (WARN_ON(list_empty(&vma->vma_link) ||
+ list_is_singular(&vma->vma_link)))
+ break;
+
+ i915_gem_evict_vm(&ppgtt->base, true);
+ } else {
+ i915_gem_retire_requests(dev);
+ i915_gem_evict_vm(&ppgtt->base, false);
+ }
+
+ ppgtt->base.cleanup(&ppgtt->base);
+}
/* i915_gem_stolen.c */
int i915_gem_init_stolen(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 00c8361..946a577 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -204,7 +204,7 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
pinned = 0;
mutex_lock(&dev->struct_mutex);
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list)
- if (obj->pin_count)
+ if (i915_gem_obj_is_pinned(obj))
pinned += i915_gem_obj_ggtt_size(obj);
mutex_unlock(&dev->struct_mutex);
@@ -651,7 +651,7 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev,
}
out_unpin:
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
out:
return ret;
}
@@ -1420,7 +1420,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
/* Finally, remap it using the new GTT offset */
ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
unpin:
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
unlock:
mutex_unlock(&dev->struct_mutex);
out:
@@ -2035,13 +2035,17 @@ static void
i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj)
{
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
- struct i915_address_space *ggtt_vm = &dev_priv->gtt.base;
- struct i915_vma *vma = i915_gem_obj_to_vma(obj, ggtt_vm);
+ struct i915_address_space *vm;
+ struct i915_vma *vma;
BUG_ON(obj->base.write_domain & ~I915_GEM_GPU_DOMAINS);
BUG_ON(!obj->active);
- list_move_tail(&vma->mm_list, &ggtt_vm->inactive_list);
+ list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
+ vma = i915_gem_obj_to_vma(obj, vm);
+ if (vma && !list_empty(&vma->mm_list))
+ list_move_tail(&vma->mm_list, &vm->inactive_list);
+ }
list_del_init(&obj->ring_list);
obj->ring = NULL;
@@ -2270,7 +2274,10 @@ request_to_vm(struct drm_i915_gem_request *request)
struct drm_i915_private *dev_priv = request->ring->dev->dev_private;
struct i915_address_space *vm;
- vm = &dev_priv->gtt.base;
+ if (request->ctx)
+ vm = request->ctx->vm;
+ else
+ vm = &dev_priv->gtt.base;
return vm;
}
@@ -2346,7 +2353,7 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring,
if (request->ctx && request->ctx->id != DEFAULT_CONTEXT_ID)
hs = &request->ctx->hang_stats;
else if (request->file_priv)
- hs = &request->file_priv->hang_stats;
+ hs = &request->file_priv->private_default_ctx->hang_stats;
if (hs) {
if (guilty) {
@@ -2456,6 +2463,8 @@ void i915_gem_reset(struct drm_device *dev)
i915_gem_cleanup_ringbuffer(dev);
+ i915_gem_context_reset(dev);
+
i915_gem_restore_fences(dev);
}
@@ -2474,6 +2483,24 @@ i915_gem_retire_requests_ring(struct intel_ring_buffer *ring)
seqno = ring->get_seqno(ring, true);
+ /* Move any buffers on the active list that are no longer referenced
+ * by the ringbuffer to the flushing/inactive lists as appropriate,
+ * before we free the context associated with the requests.
+ */
+ while (!list_empty(&ring->active_list)) {
+ struct drm_i915_gem_object *obj;
+
+ obj = list_first_entry(&ring->active_list,
+ struct drm_i915_gem_object,
+ ring_list);
+
+ if (!i915_seqno_passed(seqno, obj->last_read_seqno))
+ break;
+
+ i915_gem_object_move_to_inactive(obj);
+ }
+
+
while (!list_empty(&ring->request_list)) {
struct drm_i915_gem_request *request;
@@ -2495,22 +2522,6 @@ i915_gem_retire_requests_ring(struct intel_ring_buffer *ring)
i915_gem_free_request(request);
}
- /* Move any buffers on the active list that are no longer referenced
- * by the ringbuffer to the flushing/inactive lists as appropriate.
- */
- while (!list_empty(&ring->active_list)) {
- struct drm_i915_gem_object *obj;
-
- obj = list_first_entry(&ring->active_list,
- struct drm_i915_gem_object,
- ring_list);
-
- if (!i915_seqno_passed(seqno, obj->last_read_seqno))
- break;
-
- i915_gem_object_move_to_inactive(obj);
- }
-
if (unlikely(ring->trace_irq_seqno &&
i915_seqno_passed(seqno, ring->trace_irq_seqno))) {
ring->irq_put(ring);
@@ -2753,9 +2764,6 @@ int i915_vma_unbind(struct i915_vma *vma)
drm_i915_private_t *dev_priv = obj->base.dev->dev_private;
int ret;
- /* For now we only ever use 1 vma per object */
- WARN_ON(!list_is_singular(&obj->vma_list));
-
if (list_empty(&vma->vma_link))
return 0;
@@ -2765,7 +2773,7 @@ int i915_vma_unbind(struct i915_vma *vma)
return 0;
}
- if (obj->pin_count)
+ if (vma->pin_count)
return -EBUSY;
BUG_ON(obj->pages == NULL);
@@ -2787,12 +2795,8 @@ int i915_vma_unbind(struct i915_vma *vma)
trace_i915_vma_unbind(vma);
- if (obj->has_global_gtt_mapping)
- i915_gem_gtt_unbind_object(obj);
- if (obj->has_aliasing_ppgtt_mapping) {
- i915_ppgtt_unbind_object(dev_priv->mm.aliasing_ppgtt, obj);
- obj->has_aliasing_ppgtt_mapping = 0;
- }
+ vma->unbind_vma(vma);
+
i915_gem_gtt_finish_object(obj);
list_del(&vma->mm_list);
@@ -2829,7 +2833,7 @@ i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
if (!i915_gem_obj_ggtt_bound(obj))
return 0;
- if (obj->pin_count)
+ if (i915_gem_obj_to_ggtt(obj)->pin_count)
return -EBUSY;
BUG_ON(obj->pages == NULL);
@@ -2845,7 +2849,7 @@ int i915_gpu_idle(struct drm_device *dev)
/* Flush everything onto the inactive list. */
for_each_ring(ring, dev_priv, i) {
- ret = i915_switch_context(ring, NULL, DEFAULT_CONTEXT_ID);
+ ret = i915_switch_context(ring, NULL, ring->default_context);
if (ret)
return ret;
@@ -3312,17 +3316,12 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
i915_gem_object_pin_pages(obj);
- BUG_ON(!i915_is_ggtt(vm));
-
vma = i915_gem_obj_lookup_or_create_vma(obj, vm);
if (IS_ERR(vma)) {
ret = PTR_ERR(vma);
goto err_unpin;
}
- /* For now we only ever use 1 vma per object */
- WARN_ON(!list_is_singular(&obj->vma_list));
-
search_free:
ret = drm_mm_insert_node_in_range_generic(&vm->mm, &vma->node,
size, alignment,
@@ -3528,14 +3527,13 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
enum i915_cache_level cache_level)
{
struct drm_device *dev = obj->base.dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
struct i915_vma *vma;
int ret;
if (obj->cache_level == cache_level)
return 0;
- if (obj->pin_count) {
+ if (i915_gem_obj_is_pinned(obj)) {
DRM_DEBUG("can not change the cache level of pinned objects\n");
return -EBUSY;
}
@@ -3567,11 +3565,8 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
return ret;
}
- if (obj->has_global_gtt_mapping)
- i915_gem_gtt_bind_object(obj, cache_level);
- if (obj->has_aliasing_ppgtt_mapping)
- i915_ppgtt_bind_object(dev_priv->mm.aliasing_ppgtt,
- obj, cache_level);
+ list_for_each_entry(vma, &obj->vma_list, vma_link)
+ vma->bind_vma(vma, cache_level, 0);
}
list_for_each_entry(vma, &obj->vma_list, vma_link)
@@ -3695,7 +3690,7 @@ static bool is_pin_display(struct drm_i915_gem_object *obj)
* subtracting the potential reference by the user, any pin_count
* remains, it must be due to another use by the display engine.
*/
- return obj->pin_count - !!obj->user_pin_count;
+ return i915_gem_obj_to_ggtt(obj)->pin_count - !!obj->user_pin_count;
}
/*
@@ -3769,7 +3764,7 @@ err_unpin_display:
void
i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object *obj)
{
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
obj->pin_display = is_pin_display(obj);
}
@@ -3899,21 +3894,22 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
bool map_and_fenceable,
bool nonblocking)
{
+ const u32 flags = map_and_fenceable ? GLOBAL_BIND : 0;
struct i915_vma *vma;
int ret;
- if (WARN_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
- return -EBUSY;
-
WARN_ON(map_and_fenceable && !i915_is_ggtt(vm));
vma = i915_gem_obj_to_vma(obj, vm);
if (vma) {
+ if (WARN_ON(vma->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
+ return -EBUSY;
+
if ((alignment &&
vma->node.start & (alignment - 1)) ||
(map_and_fenceable && !obj->map_and_fenceable)) {
- WARN(obj->pin_count,
+ WARN(vma->pin_count,
"bo is already pinned with incorrect alignment:"
" offset=%lx, req.alignment=%x, req.map_and_fenceable=%d,"
" obj->map_and_fenceable=%d\n",
@@ -3927,34 +3923,34 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
}
if (!i915_gem_obj_bound(obj, vm)) {
- struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
-
ret = i915_gem_object_bind_to_vm(obj, vm, alignment,
map_and_fenceable,
nonblocking);
if (ret)
return ret;
- if (!dev_priv->mm.aliasing_ppgtt)
- i915_gem_gtt_bind_object(obj, obj->cache_level);
}
- if (!obj->has_global_gtt_mapping && map_and_fenceable)
- i915_gem_gtt_bind_object(obj, obj->cache_level);
+ vma = i915_gem_obj_to_vma(obj, vm);
+
+ vma->bind_vma(vma, obj->cache_level, flags);
- obj->pin_count++;
+ i915_gem_obj_to_vma(obj, vm)->pin_count++;
obj->pin_mappable |= map_and_fenceable;
return 0;
}
void
-i915_gem_object_unpin(struct drm_i915_gem_object *obj)
+i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj)
{
- BUG_ON(obj->pin_count == 0);
- BUG_ON(!i915_gem_obj_bound_any(obj));
+ struct i915_vma *vma = i915_gem_obj_to_ggtt(obj);
- if (--obj->pin_count == 0)
+ BUG_ON(!vma);
+ BUG_ON(vma->pin_count == 0);
+ BUG_ON(!i915_gem_obj_ggtt_bound(obj));
+
+ if (--vma->pin_count == 0)
obj->pin_mappable = false;
}
@@ -3966,6 +3962,9 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj;
int ret;
+ if (INTEL_INFO(dev)->gen >= 6)
+ return -ENODEV;
+
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
@@ -4038,7 +4037,7 @@ i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
obj->user_pin_count--;
if (obj->user_pin_count == 0) {
obj->pin_filp = NULL;
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
}
out:
@@ -4118,7 +4117,7 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
goto unlock;
}
- if (obj->pin_count) {
+ if (i915_gem_obj_is_pinned(obj)) {
ret = -EINVAL;
goto out;
}
@@ -4229,12 +4228,11 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj)
if (obj->phys_obj)
i915_gem_detach_phys_object(dev, obj);
- obj->pin_count = 0;
- /* NB: 0 or 1 elements */
- WARN_ON(!list_empty(&obj->vma_list) &&
- !list_is_singular(&obj->vma_list));
list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) {
- int ret = i915_vma_unbind(vma);
+ int ret;
+
+ vma->pin_count = 0;
+ ret = i915_vma_unbind(vma);
if (WARN_ON(ret == -ERESTARTSYS)) {
bool was_interruptible;
@@ -4283,41 +4281,6 @@ struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
return NULL;
}
-static struct i915_vma *__i915_gem_vma_create(struct drm_i915_gem_object *obj,
- struct i915_address_space *vm)
-{
- struct i915_vma *vma = kzalloc(sizeof(*vma), GFP_KERNEL);
- if (vma == NULL)
- return ERR_PTR(-ENOMEM);
-
- INIT_LIST_HEAD(&vma->vma_link);
- INIT_LIST_HEAD(&vma->mm_list);
- INIT_LIST_HEAD(&vma->exec_list);
- vma->vm = vm;
- vma->obj = obj;
-
- /* Keep GGTT vmas first to make debug easier */
- if (i915_is_ggtt(vm))
- list_add(&vma->vma_link, &obj->vma_list);
- else
- list_add_tail(&vma->vma_link, &obj->vma_list);
-
- return vma;
-}
-
-struct i915_vma *
-i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
- struct i915_address_space *vm)
-{
- struct i915_vma *vma;
-
- vma = i915_gem_obj_to_vma(obj, vm);
- if (!vma)
- vma = __i915_gem_vma_create(obj, vm);
-
- return vma;
-}
-
void i915_gem_vma_destroy(struct i915_vma *vma)
{
WARN_ON(vma->node.allocated);
@@ -4523,25 +4486,23 @@ i915_gem_init_hw(struct drm_device *dev)
i915_gem_l3_remap(&dev_priv->ring[RCS], i);
/*
- * XXX: There was some w/a described somewhere suggesting loading
- * contexts before PPGTT.
+ * XXX: Contexts should only be initialized once. Doing a switch to the
+ * default context switch however is something we'd like to do after
+ * reset or thaw (the latter may not actually be necessary for HW, but
+ * goes with our code better). Context switching requires rings (for
+ * the do_switch), but before enabling PPGTT. So don't move this.
*/
- ret = i915_gem_context_init(dev);
+ ret = i915_gem_context_enable(dev_priv);
if (ret) {
- i915_gem_cleanup_ringbuffer(dev);
- DRM_ERROR("Context initialization failed %d\n", ret);
- return ret;
- }
-
- if (dev_priv->mm.aliasing_ppgtt) {
- ret = dev_priv->mm.aliasing_ppgtt->enable(dev);
- if (ret) {
- i915_gem_cleanup_aliasing_ppgtt(dev);
- DRM_INFO("PPGTT enable failed. This is not fatal, but unexpected\n");
- }
+ DRM_ERROR("Context enable failed %d\n", ret);
+ goto err_out;
}
return 0;
+
+err_out:
+ i915_gem_cleanup_ringbuffer(dev);
+ return ret;
}
int i915_gem_init(struct drm_device *dev)
@@ -4560,10 +4521,16 @@ int i915_gem_init(struct drm_device *dev)
i915_gem_init_global_gtt(dev);
+ ret = i915_gem_context_init(dev);
+ if (ret)
+ return ret;
+
ret = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex);
if (ret) {
- i915_gem_cleanup_aliasing_ppgtt(dev);
+ WARN_ON(dev_priv->mm.aliasing_ppgtt);
+ i915_gem_context_fini(dev);
+ drm_mm_takedown(&dev_priv->gtt.base.mm);
return ret;
}
@@ -4658,14 +4625,16 @@ init_ring_lists(struct intel_ring_buffer *ring)
INIT_LIST_HEAD(&ring->request_list);
}
-static void i915_init_vm(struct drm_i915_private *dev_priv,
- struct i915_address_space *vm)
+void i915_init_vm(struct drm_i915_private *dev_priv,
+ struct i915_address_space *vm)
{
+ if (!i915_is_ggtt(vm))
+ drm_mm_init(&vm->mm, vm->start, vm->total);
vm->dev = dev_priv->dev;
INIT_LIST_HEAD(&vm->active_list);
INIT_LIST_HEAD(&vm->inactive_list);
INIT_LIST_HEAD(&vm->global_link);
- list_add(&vm->global_link, &dev_priv->vm_list);
+ list_add_tail(&vm->global_link, &dev_priv->vm_list);
}
void
@@ -4950,6 +4919,7 @@ i915_gem_file_idle_work_handler(struct work_struct *work)
int i915_gem_open(struct drm_device *dev, struct drm_file *file)
{
struct drm_i915_file_private *file_priv;
+ int ret;
DRM_DEBUG_DRIVER("\n");
@@ -4965,9 +4935,11 @@ int i915_gem_open(struct drm_device *dev, struct drm_file *file)
INIT_DELAYED_WORK(&file_priv->mm.idle_work,
i915_gem_file_idle_work_handler);
- idr_init(&file_priv->context_idr);
+ ret = i915_gem_context_open(dev, file);
+ if (ret)
+ kfree(file_priv);
- return 0;
+ return ret;
}
static bool mutex_is_locked_by(struct mutex *mutex, struct task_struct *task)
@@ -5014,7 +4986,7 @@ i915_gem_inactive_count(struct shrinker *shrinker, struct shrink_control *sc)
if (obj->active)
continue;
- if (obj->pin_count == 0 && obj->pages_pin_count == 0)
+ if (!i915_gem_obj_is_pinned(obj) && obj->pages_pin_count == 0)
count += obj->base.size >> PAGE_SHIFT;
}
@@ -5031,7 +5003,8 @@ unsigned long i915_gem_obj_offset(struct drm_i915_gem_object *o,
struct drm_i915_private *dev_priv = o->base.dev->dev_private;
struct i915_vma *vma;
- if (vm == &dev_priv->mm.aliasing_ppgtt->base)
+ if (!dev_priv->mm.aliasing_ppgtt ||
+ vm == &dev_priv->mm.aliasing_ppgtt->base)
vm = &dev_priv->gtt.base;
BUG_ON(list_empty(&o->vma_list));
@@ -5072,7 +5045,8 @@ unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o,
struct drm_i915_private *dev_priv = o->base.dev->dev_private;
struct i915_vma *vma;
- if (vm == &dev_priv->mm.aliasing_ppgtt->base)
+ if (!dev_priv->mm.aliasing_ppgtt ||
+ vm == &dev_priv->mm.aliasing_ppgtt->base)
vm = &dev_priv->gtt.base;
BUG_ON(list_empty(&o->vma_list));
@@ -5127,7 +5101,7 @@ struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj)
return NULL;
vma = list_first_entry(&obj->vma_list, typeof(*vma), vma_link);
- if (WARN_ON(vma->vm != obj_to_ggtt(obj)))
+ if (vma->vm != obj_to_ggtt(obj))
return NULL;
return vma;
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index e08acab..112f865 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -93,11 +93,19 @@
* I've seen in a spec to date, and that was a workaround for a non-shipping
* part. It should be safe to decrease this, but it's more future proof as is.
*/
-#define CONTEXT_ALIGN (64<<10)
+#define GEN6_CONTEXT_ALIGN (64<<10)
+#define GEN7_CONTEXT_ALIGN 4096
-static struct i915_hw_context *
-i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id);
-static int do_switch(struct i915_hw_context *to);
+static int do_switch(struct intel_ring_buffer *ring,
+ struct i915_hw_context *to);
+
+static size_t get_context_alignment(struct drm_device *dev)
+{
+ if (IS_GEN6(dev))
+ return GEN6_CONTEXT_ALIGN;
+
+ return GEN7_CONTEXT_ALIGN;
+}
static int get_context_size(struct drm_device *dev)
{
@@ -131,14 +139,43 @@ void i915_gem_context_free(struct kref *ctx_ref)
{
struct i915_hw_context *ctx = container_of(ctx_ref,
typeof(*ctx), ref);
+ struct i915_hw_ppgtt *ppgtt = NULL;
- list_del(&ctx->link);
+ /* We refcount even the aliasing PPGTT to keep the code symmetric */
+ if (USES_ALIASING_PPGTT(ctx->obj->base.dev))
+ ppgtt = ctx_to_ppgtt(ctx);
+
+ /* XXX: Free up the object before tearing down the address space, in
+ * case we're bound in the PPGTT */
drm_gem_object_unreference(&ctx->obj->base);
+
+ if (ppgtt)
+ kref_put(&ppgtt->ref, ppgtt_release);
+ list_del(&ctx->link);
kfree(ctx);
}
+static struct i915_hw_ppgtt *
+create_vm_for_ctx(struct drm_device *dev, struct i915_hw_context *ctx)
+{
+ struct i915_hw_ppgtt *ppgtt;
+ int ret;
+
+ ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
+ if (!ppgtt)
+ return ERR_PTR(-ENOMEM);
+
+ ret = i915_gem_init_ppgtt(dev, ppgtt);
+ if (ret) {
+ kfree(ppgtt);
+ return ERR_PTR(ret);
+ }
+
+ return ppgtt;
+}
+
static struct i915_hw_context *
-create_hw_context(struct drm_device *dev,
+__create_hw_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -166,18 +203,13 @@ create_hw_context(struct drm_device *dev,
goto err_out;
}
- /* The ring associated with the context object is handled by the normal
- * object tracking code. We give an initial ring value simple to pass an
- * assertion in the context switch code.
- */
- ctx->ring = &dev_priv->ring[RCS];
list_add_tail(&ctx->link, &dev_priv->context_list);
/* Default context will never have a file_priv */
if (file_priv == NULL)
return ctx;
- ret = idr_alloc(&file_priv->context_idr, ctx, DEFAULT_CONTEXT_ID + 1, 0,
+ ret = idr_alloc(&file_priv->context_idr, ctx, DEFAULT_CONTEXT_ID, 0,
GFP_KERNEL);
if (ret < 0)
goto err_out;
@@ -198,7 +230,7 @@ err_out:
static inline bool is_default_context(struct i915_hw_context *ctx)
{
- return (ctx == ctx->ring->default_context);
+ return (ctx->id == DEFAULT_CONTEXT_ID);
}
/**
@@ -206,57 +238,129 @@ static inline bool is_default_context(struct i915_hw_context *ctx)
* context state of the GPU for applications that don't utilize HW contexts, as
* well as an idle case.
*/
-static int create_default_context(struct drm_i915_private *dev_priv)
+static struct i915_hw_context *
+i915_gem_create_context(struct drm_device *dev,
+ struct drm_i915_file_private *file_priv,
+ bool create_vm)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_hw_context *ctx;
- int ret;
+ int ret = 0;
- BUG_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
+ BUG_ON(!mutex_is_locked(&dev->struct_mutex));
- ctx = create_hw_context(dev_priv->dev, NULL);
+ ctx = __create_hw_context(dev, file_priv);
if (IS_ERR(ctx))
- return PTR_ERR(ctx);
-
- /* We may need to do things with the shrinker which require us to
- * immediately switch back to the default context. This can cause a
- * problem as pinning the default context also requires GTT space which
- * may not be available. To avoid this we always pin the
- * default context.
- */
- ret = i915_gem_obj_ggtt_pin(ctx->obj, CONTEXT_ALIGN, false, false);
- if (ret) {
- DRM_DEBUG_DRIVER("Couldn't pin %d\n", ret);
- goto err_destroy;
- }
-
- ret = do_switch(ctx);
- if (ret) {
- DRM_DEBUG_DRIVER("Switch failed %d\n", ret);
- goto err_unpin;
- }
+ return ctx;
- dev_priv->ring[RCS].default_context = ctx;
+ if (create_vm) {
+ struct i915_hw_ppgtt *ppgtt = create_vm_for_ctx(dev, ctx);
+
+ if (IS_ERR_OR_NULL(ppgtt)) {
+ DRM_DEBUG_DRIVER("PPGTT setup failed (%ld)\n",
+ PTR_ERR(ppgtt));
+ ret = PTR_ERR(ppgtt);
+ goto err_destroy;
+ } else
+ ctx->vm = &ppgtt->base;
+
+ /* This case is reserved for the global default context and
+ * should only happen once. */
+ if (!file_priv) {
+ if (WARN_ON(dev_priv->mm.aliasing_ppgtt)) {
+ ret = -EEXIST;
+ goto err_destroy;
+ }
+
+ dev_priv->mm.aliasing_ppgtt = ppgtt;
+
+ /* We may need to do things with the shrinker which
+ * require us to immediately switch back to the default
+ * context. This can cause a problem as pinning the
+ * default context also requires GTT space which may not
+ * be available. To avoid this we always pin the default
+ * context.
+ */
+ ret = i915_gem_obj_ggtt_pin(ctx->obj,
+ get_context_alignment(dev),
+ false, false);
+ if (ret) {
+ DRM_DEBUG_DRIVER("Couldn't pin %d\n", ret);
+ goto err_destroy;
+ }
+
+ ctx->vm = &dev_priv->mm.aliasing_ppgtt->base;
+ }
+ } else if (USES_ALIASING_PPGTT(dev)) {
+ /* For platforms which only have aliasing PPGTT, we fake the
+ * address space and refcounting. */
+ ctx->vm = &dev_priv->mm.aliasing_ppgtt->base;
+ kref_get(&dev_priv->mm.aliasing_ppgtt->ref);
+ } else
+ ctx->vm = &dev_priv->gtt.base;
- DRM_DEBUG_DRIVER("Default HW context loaded\n");
- return 0;
+ return ctx;
-err_unpin:
- i915_gem_object_unpin(ctx->obj);
err_destroy:
i915_gem_context_unreference(ctx);
- return ret;
+ return ERR_PTR(ret);
+}
+
+void i915_gem_context_reset(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring;
+ int i;
+
+ if (!HAS_HW_CONTEXTS(dev))
+ return;
+
+ /* Prevent the hardware from restoring the last context (which hung) on
+ * the next switch */
+ for (i = 0; i < I915_NUM_RINGS; i++) {
+ struct i915_hw_context *dctx;
+ if (!(INTEL_INFO(dev)->ring_mask & (1<<i)))
+ continue;
+
+ /* Do a fake switch to the default context */
+ ring = &dev_priv->ring[i];
+ dctx = ring->default_context;
+ if (WARN_ON(!dctx))
+ continue;
+
+ if (!ring->last_context)
+ continue;
+
+ if (ring->last_context == dctx)
+ continue;
+
+ if (i == RCS) {
+ WARN_ON(i915_gem_obj_ggtt_pin(dctx->obj,
+ get_context_alignment(dev),
+ false, false));
+ /* Fake a finish/inactive */
+ dctx->obj->base.write_domain = 0;
+ dctx->obj->active = 0;
+ }
+
+ i915_gem_context_unreference(ring->last_context);
+ i915_gem_context_reference(dctx);
+ ring->last_context = dctx;
+ }
}
int i915_gem_context_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- int ret;
+ struct intel_ring_buffer *ring;
+ int i;
if (!HAS_HW_CONTEXTS(dev))
return 0;
- /* If called from reset, or thaw... we've been here already */
- if (dev_priv->ring[RCS].default_context)
+ /* Init should only be called once per module load. Eventually the
+ * restriction on the context_disabled check can be loosened. */
+ if (WARN_ON(dev_priv->ring[RCS].default_context))
return 0;
dev_priv->hw_context_size = round_up(get_context_size(dev), 4096);
@@ -266,11 +370,23 @@ int i915_gem_context_init(struct drm_device *dev)
return -E2BIG;
}
- ret = create_default_context(dev_priv);
- if (ret) {
- DRM_DEBUG_DRIVER("Disabling HW Contexts; create failed %d\n",
- ret);
- return ret;
+ dev_priv->ring[RCS].default_context =
+ i915_gem_create_context(dev, NULL, USES_ALIASING_PPGTT(dev));
+
+ if (IS_ERR_OR_NULL(dev_priv->ring[RCS].default_context)) {
+ DRM_DEBUG_DRIVER("Disabling HW Contexts; create failed %ld\n",
+ PTR_ERR(dev_priv->ring[RCS].default_context));
+ return PTR_ERR(dev_priv->ring[RCS].default_context);
+ }
+
+ for (i = RCS + 1; i < I915_NUM_RINGS; i++) {
+ if (!(INTEL_INFO(dev)->ring_mask & (1<<i)))
+ continue;
+
+ ring = &dev_priv->ring[i];
+
+ /* NB: RCS will hold a ref for all rings */
+ ring->default_context = dev_priv->ring[RCS].default_context;
}
DRM_DEBUG_DRIVER("HW context support initialized\n");
@@ -281,6 +397,7 @@ void i915_gem_context_fini(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_hw_context *dctx = dev_priv->ring[RCS].default_context;
+ int i;
if (!HAS_HW_CONTEXTS(dev))
return;
@@ -300,59 +417,125 @@ void i915_gem_context_fini(struct drm_device *dev)
if (dev_priv->ring[RCS].last_context == dctx) {
/* Fake switch to NULL context */
WARN_ON(dctx->obj->active);
- i915_gem_object_unpin(dctx->obj);
+ i915_gem_object_ggtt_unpin(dctx->obj);
i915_gem_context_unreference(dctx);
+ dev_priv->ring[RCS].last_context = NULL;
+ }
+
+ for (i = 0; i < I915_NUM_RINGS; i++) {
+ struct intel_ring_buffer *ring = &dev_priv->ring[i];
+ if (!(INTEL_INFO(dev)->ring_mask & (1<<i)))
+ continue;
+
+ if (ring->last_context)
+ i915_gem_context_unreference(ring->last_context);
+
+ ring->default_context = NULL;
+ ring->last_context = NULL;
}
- i915_gem_object_unpin(dctx->obj);
+ i915_gem_object_ggtt_unpin(dctx->obj);
i915_gem_context_unreference(dctx);
- dev_priv->ring[RCS].default_context = NULL;
- dev_priv->ring[RCS].last_context = NULL;
+ dev_priv->mm.aliasing_ppgtt = NULL;
+}
+
+int i915_gem_context_enable(struct drm_i915_private *dev_priv)
+{
+ struct intel_ring_buffer *ring;
+ int ret, i;
+
+ if (!HAS_HW_CONTEXTS(dev_priv->dev))
+ return 0;
+
+ /* This is the only place the aliasing PPGTT gets enabled, which means
+ * it has to happen before we bail on reset */
+ if (dev_priv->mm.aliasing_ppgtt) {
+ struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
+ ppgtt->enable(ppgtt);
+ }
+
+ /* FIXME: We should make this work, even in reset */
+ if (i915_reset_in_progress(&dev_priv->gpu_error))
+ return 0;
+
+ BUG_ON(!dev_priv->ring[RCS].default_context);
+
+ for_each_ring(ring, dev_priv, i) {
+ ret = do_switch(ring, ring->default_context);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
}
static int context_idr_cleanup(int id, void *p, void *data)
{
struct i915_hw_context *ctx = p;
- BUG_ON(id == DEFAULT_CONTEXT_ID);
+ /* Ignore the default context because close will handle it */
+ if (is_default_context(ctx))
+ return 0;
i915_gem_context_unreference(ctx);
return 0;
}
-struct i915_ctx_hang_stats *
-i915_gem_context_get_hang_stats(struct drm_device *dev,
- struct drm_file *file,
- u32 id)
+int i915_gem_context_open(struct drm_device *dev, struct drm_file *file)
{
struct drm_i915_file_private *file_priv = file->driver_priv;
- struct i915_hw_context *ctx;
+ struct drm_i915_private *dev_priv = dev->dev_private;
- if (id == DEFAULT_CONTEXT_ID)
- return &file_priv->hang_stats;
+ if (!HAS_HW_CONTEXTS(dev)) {
+ /* Cheat for hang stats */
+ file_priv->private_default_ctx =
+ kzalloc(sizeof(struct i915_hw_context), GFP_KERNEL);
+ file_priv->private_default_ctx->vm = &dev_priv->gtt.base;
+ return 0;
+ }
- if (!HAS_HW_CONTEXTS(dev))
- return ERR_PTR(-ENOENT);
+ idr_init(&file_priv->context_idr);
- ctx = i915_gem_context_get(file->driver_priv, id);
- if (ctx == NULL)
- return ERR_PTR(-ENOENT);
+ mutex_lock(&dev->struct_mutex);
+ file_priv->private_default_ctx =
+ i915_gem_create_context(dev, file_priv, USES_FULL_PPGTT(dev));
+ mutex_unlock(&dev->struct_mutex);
+
+ if (IS_ERR(file_priv->private_default_ctx)) {
+ idr_destroy(&file_priv->context_idr);
+ return PTR_ERR(file_priv->private_default_ctx);
+ }
- return &ctx->hang_stats;
+ return 0;
}
void i915_gem_context_close(struct drm_device *dev, struct drm_file *file)
{
struct drm_i915_file_private *file_priv = file->driver_priv;
+ if (!HAS_HW_CONTEXTS(dev)) {
+ kfree(file_priv->private_default_ctx);
+ return;
+ }
+
idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL);
+ i915_gem_context_unreference(file_priv->private_default_ctx);
idr_destroy(&file_priv->context_idr);
}
-static struct i915_hw_context *
+struct i915_hw_context *
i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id)
{
- return (struct i915_hw_context *)idr_find(&file_priv->context_idr, id);
+ struct i915_hw_context *ctx;
+
+ if (!HAS_HW_CONTEXTS(file_priv->dev_priv->dev))
+ return file_priv->private_default_ctx;
+
+ ctx = (struct i915_hw_context *)idr_find(&file_priv->context_idr, id);
+ if (!ctx)
+ return ERR_PTR(-ENOENT);
+
+ return ctx;
}
static inline int
@@ -403,21 +586,31 @@ mi_set_context(struct intel_ring_buffer *ring,
return ret;
}
-static int do_switch(struct i915_hw_context *to)
+static int do_switch(struct intel_ring_buffer *ring,
+ struct i915_hw_context *to)
{
- struct intel_ring_buffer *ring = to->ring;
+ struct drm_i915_private *dev_priv = ring->dev->dev_private;
struct i915_hw_context *from = ring->last_context;
+ struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(to);
u32 hw_flags = 0;
int ret, i;
- BUG_ON(from != NULL && from->obj != NULL && from->obj->pin_count == 0);
+ if (from != NULL && ring == &dev_priv->ring[RCS]) {
+ BUG_ON(from->obj == NULL);
+ BUG_ON(!i915_gem_obj_is_pinned(from->obj));
+ }
- if (from == to && !to->remap_slice)
+ if (from == to && from->last_ring == ring && !to->remap_slice)
return 0;
- ret = i915_gem_obj_ggtt_pin(to->obj, CONTEXT_ALIGN, false, false);
- if (ret)
- return ret;
+ /* Trying to pin first makes error handling easier. */
+ if (ring == &dev_priv->ring[RCS]) {
+ ret = i915_gem_obj_ggtt_pin(to->obj,
+ get_context_alignment(ring->dev),
+ false, false);
+ if (ret)
+ return ret;
+ }
/*
* Pin can switch back to the default context if we end up calling into
@@ -426,6 +619,18 @@ static int do_switch(struct i915_hw_context *to)
*/
from = ring->last_context;
+ if (USES_FULL_PPGTT(ring->dev)) {
+ ret = ppgtt->switch_mm(ppgtt, ring, false);
+ if (ret)
+ goto unpin_out;
+ }
+
+ if (ring != &dev_priv->ring[RCS]) {
+ if (from)
+ i915_gem_context_unreference(from);
+ goto done;
+ }
+
/*
* Clear this page out of any CPU caches for coherent swap-in/out. Note
* that thanks to write = false in this call and us not setting any gpu
@@ -435,22 +640,21 @@ static int do_switch(struct i915_hw_context *to)
* XXX: We need a real interface to do this instead of trickery.
*/
ret = i915_gem_object_set_to_gtt_domain(to->obj, false);
- if (ret) {
- i915_gem_object_unpin(to->obj);
- return ret;
- }
+ if (ret)
+ goto unpin_out;
- if (!to->obj->has_global_gtt_mapping)
- i915_gem_gtt_bind_object(to->obj, to->obj->cache_level);
+ if (!to->obj->has_global_gtt_mapping) {
+ struct i915_vma *vma = i915_gem_obj_to_vma(to->obj,
+ &dev_priv->gtt.base);
+ vma->bind_vma(vma, to->obj->cache_level, GLOBAL_BIND);
+ }
if (!to->is_initialized || is_default_context(to))
hw_flags |= MI_RESTORE_INHIBIT;
ret = mi_set_context(ring, to, hw_flags);
- if (ret) {
- i915_gem_object_unpin(to->obj);
- return ret;
- }
+ if (ret)
+ goto unpin_out;
for (i = 0; i < MAX_L3_SLICES; i++) {
if (!(to->remap_slice & (1<<i)))
@@ -484,15 +688,23 @@ static int do_switch(struct i915_hw_context *to)
BUG_ON(from->obj->ring != ring);
/* obj is kept alive until the next request by its active ref */
- i915_gem_object_unpin(from->obj);
+ i915_gem_object_ggtt_unpin(from->obj);
i915_gem_context_unreference(from);
}
+ to->is_initialized = true;
+
+done:
i915_gem_context_reference(to);
ring->last_context = to;
- to->is_initialized = true;
+ to->last_ring = ring;
return 0;
+
+unpin_out:
+ if (ring->id == RCS)
+ i915_gem_object_ggtt_unpin(to->obj);
+ return ret;
}
/**
@@ -508,31 +720,19 @@ static int do_switch(struct i915_hw_context *to)
*/
int i915_switch_context(struct intel_ring_buffer *ring,
struct drm_file *file,
- int to_id)
+ struct i915_hw_context *to)
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
- struct i915_hw_context *to;
-
- if (!HAS_HW_CONTEXTS(ring->dev))
- return 0;
WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
- if (ring != &dev_priv->ring[RCS])
- return 0;
-
- if (to_id == DEFAULT_CONTEXT_ID) {
- to = ring->default_context;
- } else {
- if (file == NULL)
- return -EINVAL;
+ BUG_ON(file && to == NULL);
- to = i915_gem_context_get(file->driver_priv, to_id);
- if (to == NULL)
- return -ENOENT;
- }
+ /* We have the fake context, but don't supports switching. */
+ if (!HAS_HW_CONTEXTS(ring->dev))
+ return 0;
- return do_switch(to);
+ return do_switch(ring, to);
}
int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
@@ -553,7 +753,7 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
if (ret)
return ret;
- ctx = create_hw_context(dev, file_priv);
+ ctx = i915_gem_create_context(dev, file_priv, USES_FULL_PPGTT(dev));
mutex_unlock(&dev->struct_mutex);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
@@ -575,14 +775,17 @@ int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
+ if (args->ctx_id == DEFAULT_CONTEXT_ID)
+ return -ENOENT;
+
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
ctx = i915_gem_context_get(file_priv, args->ctx_id);
- if (!ctx) {
+ if (IS_ERR(ctx)) {
mutex_unlock(&dev->struct_mutex);
- return -ENOENT;
+ return PTR_ERR(ctx);
}
idr_remove(&ctx->file_priv->context_idr, ctx->id);
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 2ca280f..4e82ca4 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -36,7 +36,8 @@
static bool
mark_free(struct i915_vma *vma, struct list_head *unwind)
{
- if (vma->obj->pin_count)
+ /* Freeing up memory requires no VMAs are pinned */
+ if (i915_gem_obj_is_pinned(vma->obj))
return false;
if (WARN_ON(!list_empty(&vma->exec_list)))
@@ -207,7 +208,7 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle)
}
list_for_each_entry_safe(vma, next, &vm->inactive_list, mm_list)
- if (vma->obj->pin_count == 0)
+ if (vma->pin_count == 0)
WARN_ON(i915_vma_unbind(vma));
return 0;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index d269ecf..bd5f4e7 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -91,6 +91,7 @@ eb_lookup_vmas(struct eb_vmas *eb,
struct i915_address_space *vm,
struct drm_file *file)
{
+ struct drm_i915_private *dev_priv = vm->dev->dev_private;
struct drm_i915_gem_object *obj;
struct list_head objects;
int i, ret;
@@ -125,6 +126,20 @@ eb_lookup_vmas(struct eb_vmas *eb,
i = 0;
while (!list_empty(&objects)) {
struct i915_vma *vma;
+ struct i915_address_space *bind_vm = vm;
+
+ if (exec[i].flags & EXEC_OBJECT_NEEDS_GTT &&
+ USES_FULL_PPGTT(vm->dev)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ /* If we have secure dispatch, or the userspace assures us that
+ * they know what they're doing, use the GGTT VM.
+ */
+ if (((args->flags & I915_EXEC_SECURE) &&
+ (i == (args->buffer_count - 1))))
+ bind_vm = &dev_priv->gtt.base;
obj = list_first_entry(&objects,
struct drm_i915_gem_object,
@@ -138,7 +153,7 @@ eb_lookup_vmas(struct eb_vmas *eb,
* from the (obj, vm) we don't run the risk of creating
* duplicated vmas for the same vm.
*/
- vma = i915_gem_obj_lookup_or_create_vma(obj, vm);
+ vma = i915_gem_obj_lookup_or_create_vma(obj, bind_vm);
if (IS_ERR(vma)) {
DRM_DEBUG("Failed to lookup VMA\n");
ret = PTR_ERR(vma);
@@ -217,7 +232,7 @@ i915_gem_execbuffer_unreserve_vma(struct i915_vma *vma)
i915_gem_object_unpin_fence(obj);
if (entry->flags & __EXEC_OBJECT_HAS_PIN)
- i915_gem_object_unpin(obj);
+ vma->pin_count--;
entry->flags &= ~(__EXEC_OBJECT_HAS_FENCE | __EXEC_OBJECT_HAS_PIN);
}
@@ -327,8 +342,7 @@ relocate_entry_gtt(struct drm_i915_gem_object *obj,
static int
i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
struct eb_vmas *eb,
- struct drm_i915_gem_relocation_entry *reloc,
- struct i915_address_space *vm)
+ struct drm_i915_gem_relocation_entry *reloc)
{
struct drm_device *dev = obj->base.dev;
struct drm_gem_object *target_obj;
@@ -352,8 +366,10 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
if (unlikely(IS_GEN6(dev) &&
reloc->write_domain == I915_GEM_DOMAIN_INSTRUCTION &&
!target_i915_obj->has_global_gtt_mapping)) {
- i915_gem_gtt_bind_object(target_i915_obj,
- target_i915_obj->cache_level);
+ struct i915_vma *vma =
+ list_first_entry(&target_i915_obj->vma_list,
+ typeof(*vma), vma_link);
+ vma->bind_vma(vma, target_i915_obj->cache_level, GLOBAL_BIND);
}
/* Validate that the target is in a valid r/w GPU domain */
@@ -451,8 +467,7 @@ i915_gem_execbuffer_relocate_vma(struct i915_vma *vma,
do {
u64 offset = r->presumed_offset;
- ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, r,
- vma->vm);
+ ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, r);
if (ret)
return ret;
@@ -481,8 +496,7 @@ i915_gem_execbuffer_relocate_vma_slow(struct i915_vma *vma,
int i, ret;
for (i = 0; i < entry->relocation_count; i++) {
- ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, &relocs[i],
- vma->vm);
+ ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, &relocs[i]);
if (ret)
return ret;
}
@@ -527,11 +541,12 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
struct intel_ring_buffer *ring,
bool *need_reloc)
{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
+ struct drm_i915_gem_object *obj = vma->obj;
struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4;
bool need_fence, need_mappable;
- struct drm_i915_gem_object *obj = vma->obj;
+ u32 flags = (entry->flags & EXEC_OBJECT_NEEDS_GTT) &&
+ !vma->obj->has_global_gtt_mapping ? GLOBAL_BIND : 0;
int ret;
need_fence =
@@ -560,14 +575,6 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
}
}
- /* Ensure ppgtt mapping exists if needed */
- if (dev_priv->mm.aliasing_ppgtt && !obj->has_aliasing_ppgtt_mapping) {
- i915_ppgtt_bind_object(dev_priv->mm.aliasing_ppgtt,
- obj, obj->cache_level);
-
- obj->has_aliasing_ppgtt_mapping = 1;
- }
-
if (entry->offset != vma->node.start) {
entry->offset = vma->node.start;
*need_reloc = true;
@@ -578,9 +585,7 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
obj->base.pending_write_domain = I915_GEM_DOMAIN_RENDER;
}
- if (entry->flags & EXEC_OBJECT_NEEDS_GTT &&
- !obj->has_global_gtt_mapping)
- i915_gem_gtt_bind_object(obj, obj->cache_level);
+ vma->bind_vma(vma, obj->cache_level, flags);
return 0;
}
@@ -900,22 +905,27 @@ validate_exec_list(struct drm_i915_gem_exec_object2 *exec,
return 0;
}
-static int
+static struct i915_hw_context *
i915_gem_validate_context(struct drm_device *dev, struct drm_file *file,
- const u32 ctx_id)
+ struct intel_ring_buffer *ring, const u32 ctx_id)
{
+ struct i915_hw_context *ctx = NULL;
struct i915_ctx_hang_stats *hs;
- hs = i915_gem_context_get_hang_stats(dev, file, ctx_id);
- if (IS_ERR(hs))
- return PTR_ERR(hs);
+ if (ring->id != RCS && ctx_id != DEFAULT_CONTEXT_ID)
+ return ERR_PTR(-EINVAL);
+
+ ctx = i915_gem_context_get(file->driver_priv, ctx_id);
+ if (IS_ERR(ctx))
+ return ctx;
+ hs = &ctx->hang_stats;
if (hs->banned) {
DRM_DEBUG("Context %u tried to submit while banned\n", ctx_id);
- return -EIO;
+ return ERR_PTR(-EIO);
}
- return 0;
+ return ctx;
}
static void
@@ -939,7 +949,9 @@ i915_gem_execbuffer_move_to_active(struct list_head *vmas,
if (obj->base.write_domain) {
obj->dirty = 1;
obj->last_write_seqno = intel_ring_get_seqno(ring);
- if (obj->pin_count) /* check for potential scanout */
+ /* check for potential scanout */
+ if (i915_gem_obj_ggtt_bound(obj) &&
+ i915_gem_obj_to_ggtt(obj)->pin_count)
intel_mark_fb_busy(obj, ring);
}
@@ -989,16 +1001,17 @@ static int
i915_gem_do_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file,
struct drm_i915_gem_execbuffer2 *args,
- struct drm_i915_gem_exec_object2 *exec,
- struct i915_address_space *vm)
+ struct drm_i915_gem_exec_object2 *exec)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct eb_vmas *eb;
struct drm_i915_gem_object *batch_obj;
struct drm_clip_rect *cliprects = NULL;
struct intel_ring_buffer *ring;
+ struct i915_hw_context *ctx;
+ struct i915_address_space *vm;
const u32 ctx_id = i915_execbuffer2_get_context_id(*args);
- u32 exec_start, exec_len;
+ u32 exec_start = args->batch_start_offset, exec_len;
u32 mask, flags;
int ret, mode, i;
bool need_relocs;
@@ -1020,41 +1033,17 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (args->flags & I915_EXEC_IS_PINNED)
flags |= I915_DISPATCH_PINNED;
- switch (args->flags & I915_EXEC_RING_MASK) {
- case I915_EXEC_DEFAULT:
- case I915_EXEC_RENDER:
- ring = &dev_priv->ring[RCS];
- break;
- case I915_EXEC_BSD:
- ring = &dev_priv->ring[VCS];
- if (ctx_id != DEFAULT_CONTEXT_ID) {
- DRM_DEBUG("Ring %s doesn't support contexts\n",
- ring->name);
- return -EPERM;
- }
- break;
- case I915_EXEC_BLT:
- ring = &dev_priv->ring[BCS];
- if (ctx_id != DEFAULT_CONTEXT_ID) {
- DRM_DEBUG("Ring %s doesn't support contexts\n",
- ring->name);
- return -EPERM;
- }
- break;
- case I915_EXEC_VEBOX:
- ring = &dev_priv->ring[VECS];
- if (ctx_id != DEFAULT_CONTEXT_ID) {
- DRM_DEBUG("Ring %s doesn't support contexts\n",
- ring->name);
- return -EPERM;
- }
- break;
-
- default:
+ if ((args->flags & I915_EXEC_RING_MASK) > I915_NUM_RINGS) {
DRM_DEBUG("execbuf with unknown ring: %d\n",
(int)(args->flags & I915_EXEC_RING_MASK));
return -EINVAL;
}
+
+ if ((args->flags & I915_EXEC_RING_MASK) == I915_EXEC_DEFAULT)
+ ring = &dev_priv->ring[RCS];
+ else
+ ring = &dev_priv->ring[(args->flags & I915_EXEC_RING_MASK) - 1];
+
if (!intel_ring_initialized(ring)) {
DRM_DEBUG("execbuf with invalid ring: %d\n",
(int)(args->flags & I915_EXEC_RING_MASK));
@@ -1136,11 +1125,18 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
goto pre_mutex_err;
}
- ret = i915_gem_validate_context(dev, file, ctx_id);
- if (ret) {
+ ctx = i915_gem_validate_context(dev, file, ring, ctx_id);
+ if (IS_ERR(ctx)) {
mutex_unlock(&dev->struct_mutex);
+ ret = PTR_ERR(ctx);
goto pre_mutex_err;
- }
+ }
+
+ i915_gem_context_reference(ctx);
+
+ vm = ctx->vm;
+ if (!USES_FULL_PPGTT(dev))
+ vm = &dev_priv->gtt.base;
eb = eb_create(args);
if (eb == NULL) {
@@ -1187,14 +1183,25 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
/* snb/ivb/vlv conflate the "batch in ppgtt" bit with the "non-secure
* batch" bit. Hence we need to pin secure batches into the global gtt.
* hsw should have this fixed, but bdw mucks it up again. */
- if (flags & I915_DISPATCH_SECURE && !batch_obj->has_global_gtt_mapping)
- i915_gem_gtt_bind_object(batch_obj, batch_obj->cache_level);
+ if (flags & I915_DISPATCH_SECURE &&
+ !batch_obj->has_global_gtt_mapping) {
+ /* When we have multiple VMs, we'll need to make sure that we
+ * allocate space first */
+ struct i915_vma *vma = i915_gem_obj_to_ggtt(batch_obj);
+ BUG_ON(!vma);
+ vma->bind_vma(vma, batch_obj->cache_level, GLOBAL_BIND);
+ }
+
+ if (flags & I915_DISPATCH_SECURE)
+ exec_start += i915_gem_obj_ggtt_offset(batch_obj);
+ else
+ exec_start += i915_gem_obj_offset(batch_obj, vm);
ret = i915_gem_execbuffer_move_to_gpu(ring, &eb->vmas);
if (ret)
goto err;
- ret = i915_switch_context(ring, file, ctx_id);
+ ret = i915_switch_context(ring, file, ctx);
if (ret)
goto err;
@@ -1219,8 +1226,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
goto err;
}
- exec_start = i915_gem_obj_offset(batch_obj, vm) +
- args->batch_start_offset;
+
exec_len = args->batch_len;
if (cliprects) {
for (i = 0; i < args->num_cliprects; i++) {
@@ -1249,6 +1255,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
i915_gem_execbuffer_retire_commands(dev, file, ring, batch_obj);
err:
+ /* the request owns the ref now */
+ i915_gem_context_unreference(ctx);
eb_destroy(eb);
mutex_unlock(&dev->struct_mutex);
@@ -1270,7 +1278,6 @@ int
i915_gem_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_execbuffer *args = data;
struct drm_i915_gem_execbuffer2 exec2;
struct drm_i915_gem_exec_object *exec_list = NULL;
@@ -1326,8 +1333,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
exec2.flags = I915_EXEC_RENDER;
i915_execbuffer2_set_context_id(exec2, 0);
- ret = i915_gem_do_execbuffer(dev, data, file, &exec2, exec2_list,
- &dev_priv->gtt.base);
+ ret = i915_gem_do_execbuffer(dev, data, file, &exec2, exec2_list);
if (!ret) {
/* Copy the new buffer offsets back to the user's exec list. */
for (i = 0; i < args->buffer_count; i++)
@@ -1353,7 +1359,6 @@ int
i915_gem_execbuffer2(struct drm_device *dev, void *data,
struct drm_file *file)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_execbuffer2 *args = data;
struct drm_i915_gem_exec_object2 *exec2_list = NULL;
int ret;
@@ -1384,8 +1389,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
return -EFAULT;
}
- ret = i915_gem_do_execbuffer(dev, data, file, args, exec2_list,
- &dev_priv->gtt.base);
+ ret = i915_gem_do_execbuffer(dev, data, file, args, exec2_list);
if (!ret) {
/* Copy the new buffer offsets back to the user's exec list. */
ret = copy_to_user(to_user_ptr(args->buffers_ptr),
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 6c3a6e6..3192089 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -22,6 +22,7 @@
*
*/
+#include <linux/seq_file.h>
#include <drm/drmP.h>
#include <drm/i915_drm.h>
#include "i915_drv.h"
@@ -70,6 +71,12 @@ typedef gen8_gtt_pte_t gen8_ppgtt_pde_t;
#define PPAT_CACHED_INDEX _PAGE_PAT /* WB LLCeLLC */
#define PPAT_DISPLAY_ELLC_INDEX _PAGE_PCD /* WT eLLC */
+static void ppgtt_bind_vma(struct i915_vma *vma,
+ enum i915_cache_level cache_level,
+ u32 flags);
+static void ppgtt_unbind_vma(struct i915_vma *vma);
+static int gen8_ppgtt_enable(struct i915_hw_ppgtt *ppgtt);
+
static inline gen8_gtt_pte_t gen8_pte_encode(dma_addr_t addr,
enum i915_cache_level level,
bool valid)
@@ -199,12 +206,19 @@ static gen6_gtt_pte_t iris_pte_encode(dma_addr_t addr,
/* Broadwell Page Directory Pointer Descriptors */
static int gen8_write_pdp(struct intel_ring_buffer *ring, unsigned entry,
- uint64_t val)
+ uint64_t val, bool synchronous)
{
+ struct drm_i915_private *dev_priv = ring->dev->dev_private;
int ret;
BUG_ON(entry >= 4);
+ if (synchronous) {
+ I915_WRITE(GEN8_RING_PDP_UDW(ring, entry), val >> 32);
+ I915_WRITE(GEN8_RING_PDP_LDW(ring, entry), (u32)val);
+ return 0;
+ }
+
ret = intel_ring_begin(ring, 6);
if (ret)
return ret;
@@ -220,36 +234,23 @@ static int gen8_write_pdp(struct intel_ring_buffer *ring, unsigned entry,
return 0;
}
-static int gen8_ppgtt_enable(struct drm_device *dev)
+static int gen8_mm_switch(struct i915_hw_ppgtt *ppgtt,
+ struct intel_ring_buffer *ring,
+ bool synchronous)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_ring_buffer *ring;
- struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
- int i, j, ret;
+ int i, ret;
/* bit of a hack to find the actual last used pd */
int used_pd = ppgtt->num_pd_entries / GEN8_PDES_PER_PAGE;
- for_each_ring(ring, dev_priv, j) {
- I915_WRITE(RING_MODE_GEN7(ring),
- _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
- }
-
for (i = used_pd - 1; i >= 0; i--) {
dma_addr_t addr = ppgtt->pd_dma_addr[i];
- for_each_ring(ring, dev_priv, j) {
- ret = gen8_write_pdp(ring, i, addr);
- if (ret)
- goto err_out;
- }
+ ret = gen8_write_pdp(ring, i, addr, synchronous);
+ if (ret)
+ return ret;
}
- return 0;
-err_out:
- for_each_ring(ring, dev_priv, j)
- I915_WRITE(RING_MODE_GEN7(ring),
- _MASKED_BIT_DISABLE(GFX_PPGTT_ENABLE));
- return ret;
+ return 0;
}
static void gen8_ppgtt_clear_range(struct i915_address_space *vm,
@@ -324,6 +325,7 @@ static void gen8_ppgtt_cleanup(struct i915_address_space *vm)
container_of(vm, struct i915_hw_ppgtt, base);
int i, j;
+ list_del(&vm->global_link);
drm_mm_takedown(&vm->mm);
for (i = 0; i < ppgtt->num_pd_pages ; i++) {
@@ -386,6 +388,7 @@ static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt, uint64_t size)
ppgtt->num_pt_pages = 1 << get_order(num_pt_pages << PAGE_SHIFT);
ppgtt->num_pd_entries = max_pdp * GEN8_PDES_PER_PAGE;
ppgtt->enable = gen8_ppgtt_enable;
+ ppgtt->switch_mm = gen8_mm_switch;
ppgtt->base.clear_range = gen8_ppgtt_clear_range;
ppgtt->base.insert_entries = gen8_ppgtt_insert_entries;
ppgtt->base.cleanup = gen8_ppgtt_cleanup;
@@ -458,6 +461,62 @@ err_out:
return ret;
}
+static void gen6_dump_ppgtt(struct i915_hw_ppgtt *ppgtt, struct seq_file *m)
+{
+ struct drm_i915_private *dev_priv = ppgtt->base.dev->dev_private;
+ struct i915_address_space *vm = &ppgtt->base;
+ gen6_gtt_pte_t __iomem *pd_addr;
+ gen6_gtt_pte_t scratch_pte;
+ uint32_t pd_entry;
+ int pte, pde;
+
+ scratch_pte = vm->pte_encode(vm->scratch.addr, I915_CACHE_LLC, true);
+
+ pd_addr = (gen6_gtt_pte_t __iomem *)dev_priv->gtt.gsm +
+ ppgtt->pd_offset / sizeof(gen6_gtt_pte_t);
+
+ seq_printf(m, " VM %p (pd_offset %x-%x):\n", vm,
+ ppgtt->pd_offset, ppgtt->pd_offset + ppgtt->num_pd_entries);
+ for (pde = 0; pde < ppgtt->num_pd_entries; pde++) {
+ u32 expected;
+ gen6_gtt_pte_t *pt_vaddr;
+ dma_addr_t pt_addr = ppgtt->pt_dma_addr[pde];
+ pd_entry = readl(pd_addr + pde);
+ expected = (GEN6_PDE_ADDR_ENCODE(pt_addr) | GEN6_PDE_VALID);
+
+ if (pd_entry != expected)
+ seq_printf(m, "\tPDE #%d mismatch: Actual PDE: %x Expected PDE: %x\n",
+ pde,
+ pd_entry,
+ expected);
+ seq_printf(m, "\tPDE: %x\n", pd_entry);
+
+ pt_vaddr = kmap_atomic(ppgtt->pt_pages[pde]);
+ for (pte = 0; pte < I915_PPGTT_PT_ENTRIES; pte+=4) {
+ unsigned long va =
+ (pde * PAGE_SIZE * I915_PPGTT_PT_ENTRIES) +
+ (pte * PAGE_SIZE);
+ int i;
+ bool found = false;
+ for (i = 0; i < 4; i++)
+ if (pt_vaddr[pte + i] != scratch_pte)
+ found = true;
+ if (!found)
+ continue;
+
+ seq_printf(m, "\t\t0x%lx [%03d,%04d]: =", va, pde, pte);
+ for (i = 0; i < 4; i++) {
+ if (pt_vaddr[pte + i] != scratch_pte)
+ seq_printf(m, " %08x", pt_vaddr[pte + i]);
+ else
+ seq_puts(m, " SCRATCH ");
+ }
+ seq_puts(m, "\n");
+ }
+ kunmap_atomic(pt_vaddr);
+ }
+}
+
static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt)
{
struct drm_i915_private *dev_priv = ppgtt->base.dev->dev_private;
@@ -480,61 +539,221 @@ static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt)
readl(pd_addr);
}
-static int gen6_ppgtt_enable(struct drm_device *dev)
+static uint32_t get_pd_offset(struct i915_hw_ppgtt *ppgtt)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- uint32_t pd_offset;
+ BUG_ON(ppgtt->pd_offset & 0x3f);
+
+ return (ppgtt->pd_offset / 64) << 16;
+}
+
+static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt,
+ struct intel_ring_buffer *ring,
+ bool synchronous)
+{
+ struct drm_device *dev = ppgtt->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
+ /* If we're in reset, we can assume the GPU is sufficiently idle to
+ * manually frob these bits. Ideally we could use the ring functions,
+ * except our error handling makes it quite difficult (can't use
+ * intel_ring_begin, ring->flush, or intel_ring_advance)
+ *
+ * FIXME: We should try not to special case reset
+ */
+ if (synchronous ||
+ i915_reset_in_progress(&dev_priv->gpu_error)) {
+ WARN_ON(ppgtt != dev_priv->mm.aliasing_ppgtt);
+ I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G);
+ I915_WRITE(RING_PP_DIR_BASE(ring), get_pd_offset(ppgtt));
+ POSTING_READ(RING_PP_DIR_BASE(ring));
+ return 0;
+ }
+
+ /* NB: TLBs must be flushed and invalidated before a switch */
+ ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+ if (ret)
+ return ret;
+
+ ret = intel_ring_begin(ring, 6);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
+ intel_ring_emit(ring, RING_PP_DIR_DCLV(ring));
+ intel_ring_emit(ring, PP_DIR_DCLV_2G);
+ intel_ring_emit(ring, RING_PP_DIR_BASE(ring));
+ intel_ring_emit(ring, get_pd_offset(ppgtt));
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
+
+ return 0;
+}
+
+static int gen7_mm_switch(struct i915_hw_ppgtt *ppgtt,
+ struct intel_ring_buffer *ring,
+ bool synchronous)
+{
+ struct drm_device *dev = ppgtt->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
+ /* If we're in reset, we can assume the GPU is sufficiently idle to
+ * manually frob these bits. Ideally we could use the ring functions,
+ * except our error handling makes it quite difficult (can't use
+ * intel_ring_begin, ring->flush, or intel_ring_advance)
+ *
+ * FIXME: We should try not to special case reset
+ */
+ if (synchronous ||
+ i915_reset_in_progress(&dev_priv->gpu_error)) {
+ WARN_ON(ppgtt != dev_priv->mm.aliasing_ppgtt);
+ I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G);
+ I915_WRITE(RING_PP_DIR_BASE(ring), get_pd_offset(ppgtt));
+ POSTING_READ(RING_PP_DIR_BASE(ring));
+ return 0;
+ }
+
+ /* NB: TLBs must be flushed and invalidated before a switch */
+ ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+ if (ret)
+ return ret;
+
+ ret = intel_ring_begin(ring, 6);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
+ intel_ring_emit(ring, RING_PP_DIR_DCLV(ring));
+ intel_ring_emit(ring, PP_DIR_DCLV_2G);
+ intel_ring_emit(ring, RING_PP_DIR_BASE(ring));
+ intel_ring_emit(ring, get_pd_offset(ppgtt));
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
+
+ /* XXX: RCS is the only one to auto invalidate the TLBs? */
+ if (ring->id != RCS) {
+ ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int gen6_mm_switch(struct i915_hw_ppgtt *ppgtt,
+ struct intel_ring_buffer *ring,
+ bool synchronous)
+{
+ struct drm_device *dev = ppgtt->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (!synchronous)
+ return 0;
+
+ I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G);
+ I915_WRITE(RING_PP_DIR_BASE(ring), get_pd_offset(ppgtt));
+
+ POSTING_READ(RING_PP_DIR_DCLV(ring));
+
+ return 0;
+}
+
+static int gen8_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
+{
+ struct drm_device *dev = ppgtt->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring;
- struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
- int i;
+ int j, ret;
- BUG_ON(ppgtt->pd_offset & 0x3f);
+ for_each_ring(ring, dev_priv, j) {
+ I915_WRITE(RING_MODE_GEN7(ring),
+ _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
- gen6_write_pdes(ppgtt);
+ /* We promise to do a switch later with FULL PPGTT. If this is
+ * aliasing, this is the one and only switch we'll do */
+ if (USES_FULL_PPGTT(dev))
+ continue;
- pd_offset = ppgtt->pd_offset;
- pd_offset /= 64; /* in cachelines, */
- pd_offset <<= 16;
+ ret = ppgtt->switch_mm(ppgtt, ring, true);
+ if (ret)
+ goto err_out;
+ }
- if (INTEL_INFO(dev)->gen == 6) {
- uint32_t ecochk, gab_ctl, ecobits;
+ return 0;
- ecobits = I915_READ(GAC_ECO_BITS);
- I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT |
- ECOBITS_PPGTT_CACHE64B);
+err_out:
+ for_each_ring(ring, dev_priv, j)
+ I915_WRITE(RING_MODE_GEN7(ring),
+ _MASKED_BIT_DISABLE(GFX_PPGTT_ENABLE));
+ return ret;
+}
- gab_ctl = I915_READ(GAB_CTL);
- I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);
+static int gen7_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
+{
+ struct drm_device *dev = ppgtt->base.dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring;
+ uint32_t ecochk, ecobits;
+ int i;
- ecochk = I915_READ(GAM_ECOCHK);
- I915_WRITE(GAM_ECOCHK, ecochk | ECOCHK_SNB_BIT |
- ECOCHK_PPGTT_CACHE64B);
- I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
- } else if (INTEL_INFO(dev)->gen >= 7) {
- uint32_t ecochk, ecobits;
+ ecobits = I915_READ(GAC_ECO_BITS);
+ I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B);
- ecobits = I915_READ(GAC_ECO_BITS);
- I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B);
+ ecochk = I915_READ(GAM_ECOCHK);
+ if (IS_HASWELL(dev)) {
+ ecochk |= ECOCHK_PPGTT_WB_HSW;
+ } else {
+ ecochk |= ECOCHK_PPGTT_LLC_IVB;
+ ecochk &= ~ECOCHK_PPGTT_GFDT_IVB;
+ }
+ I915_WRITE(GAM_ECOCHK, ecochk);
- ecochk = I915_READ(GAM_ECOCHK);
- if (IS_HASWELL(dev)) {
- ecochk |= ECOCHK_PPGTT_WB_HSW;
- } else {
- ecochk |= ECOCHK_PPGTT_LLC_IVB;
- ecochk &= ~ECOCHK_PPGTT_GFDT_IVB;
- }
- I915_WRITE(GAM_ECOCHK, ecochk);
+ for_each_ring(ring, dev_priv, i) {
+ int ret;
/* GFX_MODE is per-ring on gen7+ */
+ I915_WRITE(RING_MODE_GEN7(ring),
+ _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
+
+ /* We promise to do a switch later with FULL PPGTT. If this is
+ * aliasing, this is the one and only switch we'll do */
+ if (USES_FULL_PPGTT(dev))
+ continue;
+
+ ret = ppgtt->switch_mm(ppgtt, ring, true);
+ if (ret)
+ return ret;
}
- for_each_ring(ring, dev_priv, i) {
- if (INTEL_INFO(dev)->gen >= 7)
- I915_WRITE(RING_MODE_GEN7(ring),
- _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
+ return 0;
+}
- I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G);
- I915_WRITE(RING_PP_DIR_BASE(ring), pd_offset);
+static int gen6_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
+{
+ struct drm_device *dev = ppgtt->base.dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring;
+ uint32_t ecochk, gab_ctl, ecobits;
+ int i;
+
+ ecobits = I915_READ(GAC_ECO_BITS);
+ I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT |
+ ECOBITS_PPGTT_CACHE64B);
+
+ gab_ctl = I915_READ(GAB_CTL);
+ I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);
+
+ ecochk = I915_READ(GAM_ECOCHK);
+ I915_WRITE(GAM_ECOCHK, ecochk | ECOCHK_SNB_BIT | ECOCHK_PPGTT_CACHE64B);
+
+ I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
+
+ for_each_ring(ring, dev_priv, i) {
+ int ret = ppgtt->switch_mm(ppgtt, ring, true);
+ if (ret)
+ return ret;
}
+
return 0;
}
@@ -608,7 +827,9 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
container_of(vm, struct i915_hw_ppgtt, base);
int i;
+ list_del(&vm->global_link);
drm_mm_takedown(&ppgtt->base.mm);
+ drm_mm_remove_node(&ppgtt->node);
if (ppgtt->pt_dma_addr) {
for (i = 0; i < ppgtt->num_pd_entries; i++)
@@ -626,20 +847,51 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
{
+#define GEN6_PD_ALIGN (PAGE_SIZE * 16)
+#define GEN6_PD_SIZE (GEN6_PPGTT_PD_ENTRIES * PAGE_SIZE)
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned first_pd_entry_in_global_pt;
- int i;
- int ret = -ENOMEM;
+ bool retried = false;
+ int i, ret;
- /* ppgtt PDEs reside in the global gtt pagetable, which has 512*1024
- * entries. For aliasing ppgtt support we just steal them at the end for
- * now. */
- first_pd_entry_in_global_pt = gtt_total_entries(dev_priv->gtt);
+ /* PPGTT PDEs reside in the GGTT and consists of 512 entries. The
+ * allocator works in address space sizes, so it's multiplied by page
+ * size. We allocate at the top of the GTT to avoid fragmentation.
+ */
+ BUG_ON(!drm_mm_initialized(&dev_priv->gtt.base.mm));
+alloc:
+ ret = drm_mm_insert_node_in_range_generic(&dev_priv->gtt.base.mm,
+ &ppgtt->node, GEN6_PD_SIZE,
+ GEN6_PD_ALIGN, 0,
+ 0, dev_priv->gtt.base.total,
+ DRM_MM_SEARCH_DEFAULT);
+ if (ret == -ENOSPC && !retried) {
+ ret = i915_gem_evict_something(dev, &dev_priv->gtt.base,
+ GEN6_PD_SIZE, GEN6_PD_ALIGN,
+ I915_CACHE_NONE, false, true);
+ if (ret)
+ return ret;
+
+ retried = true;
+ goto alloc;
+ }
+
+ if (ppgtt->node.start < dev_priv->gtt.mappable_end)
+ DRM_DEBUG("Forced to use aperture for PDEs\n");
ppgtt->base.pte_encode = dev_priv->gtt.base.pte_encode;
ppgtt->num_pd_entries = GEN6_PPGTT_PD_ENTRIES;
- ppgtt->enable = gen6_ppgtt_enable;
+ if (IS_GEN6(dev)) {
+ ppgtt->enable = gen6_ppgtt_enable;
+ ppgtt->switch_mm = gen6_mm_switch;
+ } else if (IS_HASWELL(dev)) {
+ ppgtt->enable = gen7_ppgtt_enable;
+ ppgtt->switch_mm = hsw_mm_switch;
+ } else if (IS_GEN7(dev)) {
+ ppgtt->enable = gen7_ppgtt_enable;
+ ppgtt->switch_mm = gen7_mm_switch;
+ } else
+ BUG();
ppgtt->base.clear_range = gen6_ppgtt_clear_range;
ppgtt->base.insert_entries = gen6_ppgtt_insert_entries;
ppgtt->base.cleanup = gen6_ppgtt_cleanup;
@@ -648,8 +900,10 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
ppgtt->base.total = GEN6_PPGTT_PD_ENTRIES * I915_PPGTT_PT_ENTRIES * PAGE_SIZE;
ppgtt->pt_pages = kcalloc(ppgtt->num_pd_entries, sizeof(struct page *),
GFP_KERNEL);
- if (!ppgtt->pt_pages)
+ if (!ppgtt->pt_pages) {
+ drm_mm_remove_node(&ppgtt->node);
return -ENOMEM;
+ }
for (i = 0; i < ppgtt->num_pd_entries; i++) {
ppgtt->pt_pages[i] = alloc_page(GFP_KERNEL);
@@ -678,8 +932,13 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
ppgtt->base.clear_range(&ppgtt->base, 0,
ppgtt->num_pd_entries * I915_PPGTT_PT_ENTRIES, true);
+ ppgtt->debug_dump = gen6_dump_ppgtt;
- ppgtt->pd_offset = first_pd_entry_in_global_pt * sizeof(gen6_gtt_pte_t);
+ DRM_DEBUG_DRIVER("Allocated pde space (%ldM) at GTT entry: %lx\n",
+ ppgtt->node.size >> 20,
+ ppgtt->node.start / PAGE_SIZE);
+ ppgtt->pd_offset =
+ ppgtt->node.start / PAGE_SIZE * sizeof(gen6_gtt_pte_t);
return 0;
@@ -696,19 +955,15 @@ err_pt_alloc:
__free_page(ppgtt->pt_pages[i]);
}
kfree(ppgtt->pt_pages);
+ drm_mm_remove_node(&ppgtt->node);
return ret;
}
-static int i915_gem_init_aliasing_ppgtt(struct drm_device *dev)
+int i915_gem_init_ppgtt(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_hw_ppgtt *ppgtt;
- int ret;
-
- ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
- if (!ppgtt)
- return -ENOMEM;
+ int ret = 0;
ppgtt->base.dev = dev;
@@ -719,45 +974,42 @@ static int i915_gem_init_aliasing_ppgtt(struct drm_device *dev)
else
BUG();
- if (ret)
- kfree(ppgtt);
- else {
- dev_priv->mm.aliasing_ppgtt = ppgtt;
+ if (!ret) {
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ kref_init(&ppgtt->ref);
drm_mm_init(&ppgtt->base.mm, ppgtt->base.start,
ppgtt->base.total);
+ i915_init_vm(dev_priv, &ppgtt->base);
+ if (INTEL_INFO(dev)->gen < 8) {
+ gen6_write_pdes(ppgtt);
+ DRM_DEBUG("Adding PPGTT at offset %x\n",
+ ppgtt->pd_offset << 10);
+ }
}
return ret;
}
-void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev)
+static void
+ppgtt_bind_vma(struct i915_vma *vma,
+ enum i915_cache_level cache_level,
+ u32 flags)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
+ const unsigned long entry = vma->node.start >> PAGE_SHIFT;
- if (!ppgtt)
- return;
+ WARN_ON(flags);
- ppgtt->base.cleanup(&ppgtt->base);
- dev_priv->mm.aliasing_ppgtt = NULL;
+ vma->vm->insert_entries(vma->vm, vma->obj->pages, entry, cache_level);
}
-void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt,
- struct drm_i915_gem_object *obj,
- enum i915_cache_level cache_level)
+static void ppgtt_unbind_vma(struct i915_vma *vma)
{
- ppgtt->base.insert_entries(&ppgtt->base, obj->pages,
- i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
- cache_level);
-}
+ const unsigned long entry = vma->node.start >> PAGE_SHIFT;
-void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt,
- struct drm_i915_gem_object *obj)
-{
- ppgtt->base.clear_range(&ppgtt->base,
- i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
- obj->base.size >> PAGE_SHIFT,
- true);
+ vma->vm->clear_range(vma->vm,
+ entry,
+ vma->obj->base.size >> PAGE_SHIFT,
+ true);
}
extern int intel_iommu_gfx_mapped;
@@ -849,6 +1101,7 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
+ struct i915_address_space *vm;
i915_check_and_clear_faults(dev);
@@ -859,8 +1112,33 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
true);
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
+ struct i915_vma *vma = i915_gem_obj_to_vma(obj,
+ &dev_priv->gtt.base);
+ if (!vma)
+ continue;
+
i915_gem_clflush_object(obj, obj->pin_display);
- i915_gem_gtt_bind_object(obj, obj->cache_level);
+ /* The bind_vma code tries to be smart about tracking mappings.
+ * Unfortunately above, we've just wiped out the mappings
+ * without telling our object about it. So we need to fake it.
+ */
+ obj->has_global_gtt_mapping = 0;
+ vma->bind_vma(vma, obj->cache_level, GLOBAL_BIND);
+ }
+
+
+ if (INTEL_INFO(dev)->gen >= 8)
+ return;
+
+ list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
+ /* TODO: Perhaps it shouldn't be gen6 specific */
+ if (i915_is_ggtt(vm)) {
+ if (dev_priv->mm.aliasing_ppgtt)
+ gen6_write_pdes(dev_priv->mm.aliasing_ppgtt);
+ continue;
+ }
+
+ gen6_write_pdes(container_of(vm, struct i915_hw_ppgtt, base));
}
i915_gem_chipset_flush(dev);
@@ -1017,16 +1295,18 @@ static void gen6_ggtt_clear_range(struct i915_address_space *vm,
readl(gtt_base);
}
-static void i915_ggtt_insert_entries(struct i915_address_space *vm,
- struct sg_table *st,
- unsigned int pg_start,
- enum i915_cache_level cache_level)
+
+static void i915_ggtt_bind_vma(struct i915_vma *vma,
+ enum i915_cache_level cache_level,
+ u32 unused)
{
+ const unsigned long entry = vma->node.start >> PAGE_SHIFT;
unsigned int flags = (cache_level == I915_CACHE_NONE) ?
AGP_USER_MEMORY : AGP_USER_CACHED_MEMORY;
- intel_gtt_insert_sg_entries(st, pg_start, flags);
-
+ BUG_ON(!i915_is_ggtt(vma->vm));
+ intel_gtt_insert_sg_entries(vma->obj->pages, entry, flags);
+ vma->obj->has_global_gtt_mapping = 1;
}
static void i915_ggtt_clear_range(struct i915_address_space *vm,
@@ -1037,33 +1317,77 @@ static void i915_ggtt_clear_range(struct i915_address_space *vm,
intel_gtt_clear_range(first_entry, num_entries);
}
+static void i915_ggtt_unbind_vma(struct i915_vma *vma)
+{
+ const unsigned int first = vma->node.start >> PAGE_SHIFT;
+ const unsigned int size = vma->obj->base.size >> PAGE_SHIFT;
+
+ BUG_ON(!i915_is_ggtt(vma->vm));
+ vma->obj->has_global_gtt_mapping = 0;
+ intel_gtt_clear_range(first, size);
+}
-void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
- enum i915_cache_level cache_level)
+static void ggtt_bind_vma(struct i915_vma *vma,
+ enum i915_cache_level cache_level,
+ u32 flags)
{
- struct drm_device *dev = obj->base.dev;
+ struct drm_device *dev = vma->vm->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const unsigned long entry = i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT;
+ struct drm_i915_gem_object *obj = vma->obj;
+ const unsigned long entry = vma->node.start >> PAGE_SHIFT;
- dev_priv->gtt.base.insert_entries(&dev_priv->gtt.base, obj->pages,
- entry,
- cache_level);
+ /* If there is no aliasing PPGTT, or the caller needs a global mapping,
+ * or we have a global mapping already but the cacheability flags have
+ * changed, set the global PTEs.
+ *
+ * If there is an aliasing PPGTT it is anecdotally faster, so use that
+ * instead if none of the above hold true.
+ *
+ * NB: A global mapping should only be needed for special regions like
+ * "gtt mappable", SNB errata, or if specified via special execbuf
+ * flags. At all other times, the GPU will use the aliasing PPGTT.
+ */
+ if (!dev_priv->mm.aliasing_ppgtt || flags & GLOBAL_BIND) {
+ if (!obj->has_global_gtt_mapping ||
+ (cache_level != obj->cache_level)) {
+ vma->vm->insert_entries(vma->vm, obj->pages, entry,
+ cache_level);
+ obj->has_global_gtt_mapping = 1;
+ }
+ }
- obj->has_global_gtt_mapping = 1;
+ if (dev_priv->mm.aliasing_ppgtt &&
+ (!obj->has_aliasing_ppgtt_mapping ||
+ (cache_level != obj->cache_level))) {
+ struct i915_hw_ppgtt *appgtt = dev_priv->mm.aliasing_ppgtt;
+ appgtt->base.insert_entries(&appgtt->base,
+ vma->obj->pages, entry, cache_level);
+ vma->obj->has_aliasing_ppgtt_mapping = 1;
+ }
}
-void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj)
+static void ggtt_unbind_vma(struct i915_vma *vma)
{
- struct drm_device *dev = obj->base.dev;
+ struct drm_device *dev = vma->vm->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const unsigned long entry = i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT;
-
- dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
- entry,
- obj->base.size >> PAGE_SHIFT,
- true);
+ struct drm_i915_gem_object *obj = vma->obj;
+ const unsigned long entry = vma->node.start >> PAGE_SHIFT;
+
+ if (obj->has_global_gtt_mapping) {
+ vma->vm->clear_range(vma->vm, entry,
+ vma->obj->base.size >> PAGE_SHIFT,
+ true);
+ obj->has_global_gtt_mapping = 0;
+ }
- obj->has_global_gtt_mapping = 0;
+ if (obj->has_aliasing_ppgtt_mapping) {
+ struct i915_hw_ppgtt *appgtt = dev_priv->mm.aliasing_ppgtt;
+ appgtt->base.clear_range(&appgtt->base,
+ entry,
+ obj->base.size >> PAGE_SHIFT,
+ true);
+ obj->has_aliasing_ppgtt_mapping = 0;
+ }
}
void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj)
@@ -1155,21 +1479,6 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
ggtt_vm->clear_range(ggtt_vm, end / PAGE_SIZE - 1, 1, true);
}
-static bool
-intel_enable_ppgtt(struct drm_device *dev)
-{
- if (i915_enable_ppgtt >= 0)
- return i915_enable_ppgtt;
-
-#ifdef CONFIG_INTEL_IOMMU
- /* Disable ppgtt on SNB if VT-d is on. */
- if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped)
- return false;
-#endif
-
- return true;
-}
-
void i915_gem_init_global_gtt(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1178,26 +1487,6 @@ void i915_gem_init_global_gtt(struct drm_device *dev)
gtt_size = dev_priv->gtt.base.total;
mappable_size = dev_priv->gtt.mappable_end;
- if (intel_enable_ppgtt(dev) && HAS_ALIASING_PPGTT(dev)) {
- int ret;
-
- if (INTEL_INFO(dev)->gen <= 7) {
- /* PPGTT pdes are stolen from global gtt ptes, so shrink the
- * aperture accordingly when using aliasing ppgtt. */
- gtt_size -= GEN6_PPGTT_PD_ENTRIES * PAGE_SIZE;
- }
-
- i915_gem_setup_global_gtt(dev, 0, mappable_size, gtt_size);
-
- ret = i915_gem_init_aliasing_ppgtt(dev);
- if (!ret)
- return;
-
- DRM_ERROR("Aliased PPGTT setup failed %d\n", ret);
- drm_mm_takedown(&dev_priv->gtt.base.mm);
- if (INTEL_INFO(dev)->gen < 8)
- gtt_size += GEN6_PPGTT_PD_ENTRIES*PAGE_SIZE;
- }
i915_gem_setup_global_gtt(dev, 0, mappable_size, gtt_size);
}
@@ -1438,7 +1727,6 @@ static int i915_gmch_probe(struct drm_device *dev,
dev_priv->gtt.do_idle_maps = needs_idle_maps(dev_priv->dev);
dev_priv->gtt.base.clear_range = i915_ggtt_clear_range;
- dev_priv->gtt.base.insert_entries = i915_ggtt_insert_entries;
if (unlikely(dev_priv->gtt.do_idle_maps))
DRM_INFO("applying Ironlake quirks for intel_iommu\n");
@@ -1493,3 +1781,62 @@ int i915_gem_gtt_init(struct drm_device *dev)
return 0;
}
+
+static struct i915_vma *__i915_gem_vma_create(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm)
+{
+ struct i915_vma *vma = kzalloc(sizeof(*vma), GFP_KERNEL);
+ if (vma == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ INIT_LIST_HEAD(&vma->vma_link);
+ INIT_LIST_HEAD(&vma->mm_list);
+ INIT_LIST_HEAD(&vma->exec_list);
+ vma->vm = vm;
+ vma->obj = obj;
+
+ switch (INTEL_INFO(vm->dev)->gen) {
+ case 8:
+ case 7:
+ case 6:
+ if (i915_is_ggtt(vm)) {
+ vma->unbind_vma = ggtt_unbind_vma;
+ vma->bind_vma = ggtt_bind_vma;
+ } else {
+ vma->unbind_vma = ppgtt_unbind_vma;
+ vma->bind_vma = ppgtt_bind_vma;
+ }
+ break;
+ case 5:
+ case 4:
+ case 3:
+ case 2:
+ BUG_ON(!i915_is_ggtt(vm));
+ vma->unbind_vma = i915_ggtt_unbind_vma;
+ vma->bind_vma = i915_ggtt_bind_vma;
+ break;
+ default:
+ BUG();
+ }
+
+ /* Keep GGTT vmas first to make debug easier */
+ if (i915_is_ggtt(vm))
+ list_add(&vma->vma_link, &obj->vma_list);
+ else
+ list_add_tail(&vma->vma_link, &obj->vma_list);
+
+ return vma;
+}
+
+struct i915_vma *
+i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm)
+{
+ struct i915_vma *vma;
+
+ vma = i915_gem_obj_to_vma(obj, vm);
+ if (!vma)
+ vma = __i915_gem_vma_create(obj, vm);
+
+ return vma;
+}
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index b139053..eb99358 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -308,7 +308,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
return -EINVAL;
}
- if (obj->pin_count || obj->framebuffer_references) {
+ if (i915_gem_obj_is_pinned(obj) || obj->framebuffer_references) {
drm_gem_object_unreference_unlocked(&obj->base);
return -EBUSY;
}
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index a707cca..ae8cf61 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -481,6 +481,7 @@ static void i915_error_state_free(struct kref *error_ref)
static struct drm_i915_error_object *
i915_error_object_create_sized(struct drm_i915_private *dev_priv,
struct drm_i915_gem_object *src,
+ struct i915_address_space *vm,
const int num_pages)
{
struct drm_i915_error_object *dst;
@@ -494,7 +495,7 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv,
if (dst == NULL)
return NULL;
- reloc_offset = dst->gtt_offset = i915_gem_obj_ggtt_offset(src);
+ reloc_offset = dst->gtt_offset = i915_gem_obj_offset(src, vm);
for (i = 0; i < num_pages; i++) {
unsigned long flags;
void *d;
@@ -505,7 +506,8 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv,
local_irq_save(flags);
if (reloc_offset < dev_priv->gtt.mappable_end &&
- src->has_global_gtt_mapping) {
+ src->has_global_gtt_mapping &&
+ i915_is_ggtt(vm)) {
void __iomem *s;
/* Simply ignore tiling or any overlapping fence.
@@ -555,8 +557,12 @@ unwind:
kfree(dst);
return NULL;
}
-#define i915_error_object_create(dev_priv, src) \
- i915_error_object_create_sized((dev_priv), (src), \
+#define i915_error_object_create(dev_priv, src, vm) \
+ i915_error_object_create_sized((dev_priv), (src), (vm), \
+ (src)->base.size>>PAGE_SHIFT)
+
+#define i915_error_ggtt_object_create(dev_priv, src) \
+ i915_error_object_create_sized((dev_priv), (src), &(dev_priv)->gtt.base, \
(src)->base.size>>PAGE_SHIFT)
static void capture_bo(struct drm_i915_error_buffer *err,
@@ -571,7 +577,7 @@ static void capture_bo(struct drm_i915_error_buffer *err,
err->write_domain = obj->base.write_domain;
err->fence_reg = obj->fence_reg;
err->pinned = 0;
- if (obj->pin_count > 0)
+ if (i915_gem_obj_is_pinned(obj))
err->pinned = 1;
if (obj->user_pin_count > 0)
err->pinned = -1;
@@ -604,7 +610,7 @@ static u32 capture_pinned_bo(struct drm_i915_error_buffer *err,
int i = 0;
list_for_each_entry(obj, head, global_list) {
- if (obj->pin_count == 0)
+ if (!i915_gem_obj_is_pinned(obj))
continue;
capture_bo(err++, obj);
@@ -648,6 +654,32 @@ static void i915_gem_record_fences(struct drm_device *dev,
}
}
+/* This assumes all batchbuffers are executed from the PPGTT. It might have to
+ * change in the future. */
+static bool is_active_vm(struct i915_address_space *vm,
+ struct intel_ring_buffer *ring)
+{
+ struct drm_device *dev = vm->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct i915_hw_ppgtt *ppgtt;
+
+ if (INTEL_INFO(dev)->gen < 7)
+ return i915_is_ggtt(vm);
+
+ /* FIXME: This ignores that the global gtt vm is also on this list. */
+ ppgtt = container_of(vm, struct i915_hw_ppgtt, base);
+
+ if (INTEL_INFO(dev)->gen >= 8) {
+ u64 pdp0 = (u64)I915_READ(GEN8_RING_PDP_UDW(ring, 0)) << 32;
+ pdp0 |= I915_READ(GEN8_RING_PDP_LDW(ring, 0));
+ return pdp0 == ppgtt->pd_dma_addr[0];
+ } else {
+ u32 pp_db;
+ pp_db = I915_READ(RING_PP_DIR_BASE(ring));
+ return (pp_db >> 10) == ppgtt->pd_offset;
+ }
+}
+
static struct drm_i915_error_object *
i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
struct intel_ring_buffer *ring)
@@ -655,6 +687,7 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
struct i915_address_space *vm;
struct i915_vma *vma;
struct drm_i915_gem_object *obj;
+ bool found_active = false;
u32 seqno;
if (!ring->get_seqno)
@@ -669,11 +702,16 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
obj = ring->scratch.obj;
if (acthd >= i915_gem_obj_ggtt_offset(obj) &&
acthd < i915_gem_obj_ggtt_offset(obj) + obj->base.size)
- return i915_error_object_create(dev_priv, obj);
+ return i915_error_ggtt_object_create(dev_priv, obj);
}
seqno = ring->get_seqno(ring, false);
list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
+ if (!is_active_vm(vm, ring))
+ continue;
+
+ found_active = true;
+
list_for_each_entry(vma, &vm->active_list, mm_list) {
obj = vma->obj;
if (obj->ring != ring)
@@ -688,10 +726,11 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
/* We need to copy these to an anonymous buffer as the simplest
* method to avoid being overwritten by userspace.
*/
- return i915_error_object_create(dev_priv, obj);
+ return i915_error_object_create(dev_priv, obj, vm);
}
}
+ WARN_ON(!found_active);
return NULL;
}
@@ -765,7 +804,9 @@ static void i915_gem_record_active_context(struct intel_ring_buffer *ring,
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
if ((error->ccid & PAGE_MASK) == i915_gem_obj_ggtt_offset(obj)) {
ering->ctx = i915_error_object_create_sized(dev_priv,
- obj, 1);
+ obj,
+ &dev_priv->gtt.base,
+ 1);
break;
}
}
@@ -786,7 +827,7 @@ static void i915_gem_record_rings(struct drm_device *dev,
i915_error_first_batchbuffer(dev_priv, ring);
error->ring[i].ringbuffer =
- i915_error_object_create(dev_priv, ring->obj);
+ i915_error_ggtt_object_create(dev_priv, ring->obj);
i915_gem_record_active_context(ring, error, &error->ring[i]);
@@ -834,7 +875,7 @@ static void i915_gem_capture_vm(struct drm_i915_private *dev_priv,
i++;
error->active_bo_count[ndx] = i;
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list)
- if (obj->pin_count)
+ if (i915_gem_obj_is_pinned(obj))
i++;
error->pinned_bo_count[ndx] = i - error->active_bo_count[ndx];
@@ -868,11 +909,6 @@ static void i915_gem_capture_buffers(struct drm_i915_private *dev_priv,
list_for_each_entry(vm, &dev_priv->vm_list, global_link)
cnt++;
- if (WARN(cnt > 1, "Multiple VMs not yet supported\n"))
- cnt = 1;
-
- vm = &dev_priv->gtt.base;
-
error->active_bo = kcalloc(cnt, sizeof(*error->active_bo), GFP_ATOMIC);
error->pinned_bo = kcalloc(cnt, sizeof(*error->pinned_bo), GFP_ATOMIC);
error->active_bo_count = kcalloc(cnt, sizeof(*error->active_bo_count),
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index 39eac99..d6a8a71 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -104,7 +104,7 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
return 0;
out_unpin:
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
out_unref:
drm_gem_object_unreference(&obj->base);
out:
@@ -208,7 +208,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
return 0;
out_unpin:
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
drm_gem_object_unreference(&obj->base);
out_unlock:
mutex_unlock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index a759ecd..424f094 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -293,7 +293,7 @@ static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay)
{
struct drm_i915_gem_object *obj = overlay->old_vid_bo;
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
drm_gem_object_unreference(&obj->base);
overlay->old_vid_bo = NULL;
@@ -306,7 +306,7 @@ static void intel_overlay_off_tail(struct intel_overlay *overlay)
/* never have the overlay hw on without showing a frame */
BUG_ON(!overlay->vid_bo);
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
drm_gem_object_unreference(&obj->base);
overlay->vid_bo = NULL;
@@ -782,7 +782,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
return 0;
out_unpin:
- i915_gem_object_unpin(new_bo);
+ i915_gem_object_ggtt_unpin(new_bo);
return ret;
}
@@ -1386,7 +1386,7 @@ void intel_setup_overlay(struct drm_device *dev)
out_unpin_bo:
if (!OVERLAY_NEEDS_PHYSICAL(dev))
- i915_gem_object_unpin(reg_bo);
+ i915_gem_object_ggtt_unpin(reg_bo);
out_free_bo:
drm_gem_object_unreference(&reg_bo->base);
out_free:
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 92cc858..b9b4fe4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2753,7 +2753,7 @@ intel_alloc_context_page(struct drm_device *dev)
return ctx;
err_unpin:
- i915_gem_object_unpin(ctx);
+ i915_gem_object_ggtt_unpin(ctx);
err_unref:
drm_gem_object_unreference(&ctx->base);
return NULL;
@@ -3625,13 +3625,13 @@ void ironlake_teardown_rc6(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
if (dev_priv->ips.renderctx) {
- i915_gem_object_unpin(dev_priv->ips.renderctx);
+ i915_gem_object_ggtt_unpin(dev_priv->ips.renderctx);
drm_gem_object_unreference(&dev_priv->ips.renderctx->base);
dev_priv->ips.renderctx = NULL;
}
if (dev_priv->ips.pwrctx) {
- i915_gem_object_unpin(dev_priv->ips.pwrctx);
+ i915_gem_object_ggtt_unpin(dev_priv->ips.pwrctx);
drm_gem_object_unreference(&dev_priv->ips.pwrctx->base);
dev_priv->ips.pwrctx = NULL;
}
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index b7f1742..d897a19 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -549,7 +549,7 @@ init_pipe_control(struct intel_ring_buffer *ring)
return 0;
err_unpin:
- i915_gem_object_unpin(ring->scratch.obj);
+ i915_gem_object_ggtt_unpin(ring->scratch.obj);
err_unref:
drm_gem_object_unreference(&ring->scratch.obj->base);
err:
@@ -625,7 +625,7 @@ static void render_ring_cleanup(struct intel_ring_buffer *ring)
if (INTEL_INFO(dev)->gen >= 5) {
kunmap(sg_page(ring->scratch.obj->pages->sgl));
- i915_gem_object_unpin(ring->scratch.obj);
+ i915_gem_object_ggtt_unpin(ring->scratch.obj);
}
drm_gem_object_unreference(&ring->scratch.obj->base);
@@ -1253,7 +1253,7 @@ static void cleanup_status_page(struct intel_ring_buffer *ring)
return;
kunmap(sg_page(obj->pages->sgl));
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
drm_gem_object_unreference(&obj->base);
ring->status_page.obj = NULL;
}
@@ -1293,7 +1293,7 @@ static int init_status_page(struct intel_ring_buffer *ring)
return 0;
err_unpin:
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
err_unref:
drm_gem_object_unreference(&obj->base);
err:
@@ -1390,7 +1390,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
err_unmap:
iounmap(ring->virtual_start);
err_unpin:
- i915_gem_object_unpin(obj);
+ i915_gem_object_ggtt_unpin(obj);
err_unref:
drm_gem_object_unreference(&obj->base);
ring->obj = NULL;
@@ -1418,7 +1418,7 @@ void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring)
iounmap(ring->virtual_start);
- i915_gem_object_unpin(ring->obj);
+ i915_gem_object_ggtt_unpin(ring->obj);
drm_gem_object_unreference(&ring->obj->base);
ring->obj = NULL;
ring->preallocated_lazy_request = NULL;
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 87df68f..c628414 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -852,6 +852,7 @@ int i915_get_reset_stats_ioctl(struct drm_device *dev,
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_reset_stats *args = data;
struct i915_ctx_hang_stats *hs;
+ struct i915_hw_context *ctx;
int ret;
if (args->flags || args->pad)
@@ -864,11 +865,12 @@ int i915_get_reset_stats_ioctl(struct drm_device *dev,
if (ret)
return ret;
- hs = i915_gem_context_get_hang_stats(dev, file, args->ctx_id);
- if (IS_ERR(hs)) {
+ ctx = i915_gem_context_get(file->driver_priv, args->ctx_id);
+ if (IS_ERR(ctx)) {
mutex_unlock(&dev->struct_mutex);
- return PTR_ERR(hs);
+ return PTR_ERR(ctx);
}
+ hs = &ctx->hang_stats;
if (capable(CAP_SYS_ADMIN))
args->reset_count = i915_reset_count(&dev_priv->gpu_error);
generated by cgit v0.10.2 at 2024-10-30 20:19:06 (GMT)