static void i915_ring_error_state(struct drm_i915_error_state_buf *m,
struct drm_device *dev,
- struct drm_i915_error_state *error,
- unsigned ring)
+ struct drm_i915_error_ring *ring)
{
- BUG_ON(ring >= I915_NUM_RINGS); /* shut up confused gcc */
- err_printf(m, "%s command stream:\n", ring_str(ring));
- err_printf(m, " HEAD: 0x%08x\n", error->head[ring]);
- err_printf(m, " TAIL: 0x%08x\n", error->tail[ring]);
- err_printf(m, " CTL: 0x%08x\n", error->ctl[ring]);
- err_printf(m, " ACTHD: 0x%08x\n", error->acthd[ring]);
- err_printf(m, " IPEIR: 0x%08x\n", error->ipeir[ring]);
- err_printf(m, " IPEHR: 0x%08x\n", error->ipehr[ring]);
- err_printf(m, " INSTDONE: 0x%08x\n", error->instdone[ring]);
- if (ring == RCS && INTEL_INFO(dev)->gen >= 4)
- err_printf(m, " BBADDR: 0x%08llx\n", error->bbaddr);
- if (INTEL_INFO(dev)->gen >= 4)
- err_printf(m, " BB_STATE: 0x%08x\n", error->bbstate[ring]);
- if (INTEL_INFO(dev)->gen >= 4)
- err_printf(m, " INSTPS: 0x%08x\n", error->instps[ring]);
- err_printf(m, " INSTPM: 0x%08x\n", error->instpm[ring]);
- err_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]);
+ if (!ring->valid)
+ return;
+
+ err_printf(m, " HEAD: 0x%08x\n", ring->head);
+ err_printf(m, " TAIL: 0x%08x\n", ring->tail);
+ err_printf(m, " CTL: 0x%08x\n", ring->ctl);
+ err_printf(m, " HWS: 0x%08x\n", ring->hws);
+ err_printf(m, " ACTHD: 0x%08x\n", ring->acthd);
+ err_printf(m, " IPEIR: 0x%08x\n", ring->ipeir);
+ err_printf(m, " IPEHR: 0x%08x\n", ring->ipehr);
+ err_printf(m, " INSTDONE: 0x%08x\n", ring->instdone);
+ if (INTEL_INFO(dev)->gen >= 4) {
+ err_printf(m, " BBADDR: 0x%08llx\n", ring->bbaddr);
+ err_printf(m, " BB_STATE: 0x%08x\n", ring->bbstate);
+ err_printf(m, " INSTPS: 0x%08x\n", ring->instps);
+ }
+ err_printf(m, " INSTPM: 0x%08x\n", ring->instpm);
+ err_printf(m, " FADDR: 0x%08x\n", ring->faddr);
if (INTEL_INFO(dev)->gen >= 6) {
- err_printf(m, " RC PSMI: 0x%08x\n", error->rc_psmi[ring]);
- err_printf(m, " FAULT_REG: 0x%08x\n", error->fault_reg[ring]);
+ err_printf(m, " RC PSMI: 0x%08x\n", ring->rc_psmi);
+ err_printf(m, " FAULT_REG: 0x%08x\n", ring->fault_reg);
err_printf(m, " SYNC_0: 0x%08x [last synced 0x%08x]\n",
- error->semaphore_mboxes[ring][0],
- error->semaphore_seqno[ring][0]);
+ ring->semaphore_mboxes[0],
+ ring->semaphore_seqno[0]);
err_printf(m, " SYNC_1: 0x%08x [last synced 0x%08x]\n",
- error->semaphore_mboxes[ring][1],
- error->semaphore_seqno[ring][1]);
+ ring->semaphore_mboxes[1],
+ ring->semaphore_seqno[1]);
if (HAS_VEBOX(dev)) {
err_printf(m, " SYNC_2: 0x%08x [last synced 0x%08x]\n",
- error->semaphore_mboxes[ring][2],
- error->semaphore_seqno[ring][2]);
+ ring->semaphore_mboxes[2],
+ ring->semaphore_seqno[2]);
}
}
- err_printf(m, " seqno: 0x%08x\n", error->seqno[ring]);
- err_printf(m, " waiting: %s\n", yesno(error->waiting[ring]));
- err_printf(m, " ring->head: 0x%08x\n", error->cpu_ring_head[ring]);
- err_printf(m, " ring->tail: 0x%08x\n", error->cpu_ring_tail[ring]);
+ if (USES_PPGTT(dev)) {
+ err_printf(m, " GFX_MODE: 0x%08x\n", ring->vm_info.gfx_mode);
+
+ if (INTEL_INFO(dev)->gen >= 8) {
+ int i;
+ for (i = 0; i < 4; i++)
+ err_printf(m, " PDP%d: 0x%016llx\n",
+ i, ring->vm_info.pdp[i]);
+ } else {
+ err_printf(m, " PP_DIR_BASE: 0x%08x\n",
+ ring->vm_info.pp_dir_base);
+ }
+ }
+ err_printf(m, " seqno: 0x%08x\n", ring->seqno);
+ err_printf(m, " waiting: %s\n", yesno(ring->waiting));
+ err_printf(m, " ring->head: 0x%08x\n", ring->cpu_ring_head);
+ err_printf(m, " ring->tail: 0x%08x\n", ring->cpu_ring_tail);
err_printf(m, " hangcheck: %s [%d]\n",
- hangcheck_action_to_str(error->hangcheck_action[ring]),
- error->hangcheck_score[ring]);
+ hangcheck_action_to_str(ring->hangcheck_action),
+ ring->hangcheck_score);
}
void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...)
struct drm_device *dev = error_priv->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_error_state *error = error_priv->error;
- struct intel_ring_buffer *ring;
int i, j, page, offset, elt;
if (!error) {
if (INTEL_INFO(dev)->gen == 7)
err_printf(m, "ERR_INT: 0x%08x\n", error->err_int);
- for_each_ring(ring, dev_priv, i)
- i915_ring_error_state(m, dev, error, i);
+ for (i = 0; i < ARRAY_SIZE(error->ring); i++) {
+ err_printf(m, "%s command stream:\n", ring_str(i));
+ i915_ring_error_state(m, dev, &error->ring[i]);
+ }
if (error->active_bo)
print_error_buffers(m, "Active",
}
}
- obj = error->ring[i].ctx;
- if (obj) {
+ if ((obj = error->ring[i].hws_page)) {
+ err_printf(m, "%s --- HW Status = 0x%08x\n",
+ dev_priv->ring[i].name,
+ obj->gtt_offset);
+ offset = 0;
+ for (elt = 0; elt < PAGE_SIZE/16; elt += 4) {
+ err_printf(m, "[%04x] %08x %08x %08x %08x\n",
+ offset,
+ obj->pages[0][elt],
+ obj->pages[0][elt+1],
+ obj->pages[0][elt+2],
+ obj->pages[0][elt+3]);
+ offset += 16;
+ }
+ }
+
+ if ((obj = error->ring[i].ctx)) {
err_printf(m, "%s --- HW Context = 0x%08x\n",
dev_priv->ring[i].name,
obj->gtt_offset);
for (i = 0; i < ARRAY_SIZE(error->ring); i++) {
i915_error_object_free(error->ring[i].batchbuffer);
i915_error_object_free(error->ring[i].ringbuffer);
+ i915_error_object_free(error->ring[i].hws_page);
i915_error_object_free(error->ring[i].ctx);
kfree(error->ring[i].requests);
}
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;
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;
goto unwind;
local_irq_save(flags);
- if (reloc_offset < dev_priv->gtt.mappable_end &&
- src->has_global_gtt_mapping) {
+ if (src->cache_level == I915_CACHE_NONE &&
+ reloc_offset < dev_priv->gtt.mappable_end &&
+ src->has_global_gtt_mapping &&
+ i915_is_ggtt(vm)) {
void __iomem *s;
/* Simply ignore tiling or any overlapping fence.
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,
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;
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);
}
}
+/* 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)
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)
return NULL;
obj = ring->scratch.obj;
- if (acthd >= i915_gem_obj_ggtt_offset(obj) &&
+ if (obj != NULL &&
+ 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)
/* 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;
}
static void i915_record_ring_state(struct drm_device *dev,
- struct drm_i915_error_state *error,
- struct intel_ring_buffer *ring)
+ struct intel_ring_buffer *ring,
+ struct drm_i915_error_ring *ering)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (INTEL_INFO(dev)->gen >= 6) {
- error->rc_psmi[ring->id] = I915_READ(ring->mmio_base + 0x50);
- error->fault_reg[ring->id] = I915_READ(RING_FAULT_REG(ring));
- error->semaphore_mboxes[ring->id][0]
+ ering->rc_psmi = I915_READ(ring->mmio_base + 0x50);
+ ering->fault_reg = I915_READ(RING_FAULT_REG(ring));
+ ering->semaphore_mboxes[0]
= I915_READ(RING_SYNC_0(ring->mmio_base));
- error->semaphore_mboxes[ring->id][1]
+ ering->semaphore_mboxes[1]
= I915_READ(RING_SYNC_1(ring->mmio_base));
- error->semaphore_seqno[ring->id][0] = ring->sync_seqno[0];
- error->semaphore_seqno[ring->id][1] = ring->sync_seqno[1];
+ ering->semaphore_seqno[0] = ring->sync_seqno[0];
+ ering->semaphore_seqno[1] = ring->sync_seqno[1];
}
if (HAS_VEBOX(dev)) {
- error->semaphore_mboxes[ring->id][2] =
+ ering->semaphore_mboxes[2] =
I915_READ(RING_SYNC_2(ring->mmio_base));
- error->semaphore_seqno[ring->id][2] = ring->sync_seqno[2];
+ ering->semaphore_seqno[2] = ring->sync_seqno[2];
}
if (INTEL_INFO(dev)->gen >= 4) {
- error->faddr[ring->id] = I915_READ(RING_DMA_FADD(ring->mmio_base));
- error->ipeir[ring->id] = I915_READ(RING_IPEIR(ring->mmio_base));
- error->ipehr[ring->id] = I915_READ(RING_IPEHR(ring->mmio_base));
- error->instdone[ring->id] = I915_READ(RING_INSTDONE(ring->mmio_base));
- error->instps[ring->id] = I915_READ(RING_INSTPS(ring->mmio_base));
- if (ring->id == RCS)
- error->bbaddr = I915_READ64(BB_ADDR);
- error->bbstate[ring->id] = I915_READ(RING_BBSTATE(ring->mmio_base));
+ ering->faddr = I915_READ(RING_DMA_FADD(ring->mmio_base));
+ ering->ipeir = I915_READ(RING_IPEIR(ring->mmio_base));
+ ering->ipehr = I915_READ(RING_IPEHR(ring->mmio_base));
+ ering->instdone = I915_READ(RING_INSTDONE(ring->mmio_base));
+ ering->instps = I915_READ(RING_INSTPS(ring->mmio_base));
+ ering->bbaddr = I915_READ(RING_BBADDR(ring->mmio_base));
+ if (INTEL_INFO(dev)->gen >= 8)
+ ering->bbaddr |= (u64) I915_READ(RING_BBADDR_UDW(ring->mmio_base)) << 32;
+ ering->bbstate = I915_READ(RING_BBSTATE(ring->mmio_base));
} else {
- error->faddr[ring->id] = I915_READ(DMA_FADD_I8XX);
- error->ipeir[ring->id] = I915_READ(IPEIR);
- error->ipehr[ring->id] = I915_READ(IPEHR);
- error->instdone[ring->id] = I915_READ(INSTDONE);
+ ering->faddr = I915_READ(DMA_FADD_I8XX);
+ ering->ipeir = I915_READ(IPEIR);
+ ering->ipehr = I915_READ(IPEHR);
+ ering->instdone = I915_READ(INSTDONE);
}
- error->waiting[ring->id] = waitqueue_active(&ring->irq_queue);
- error->instpm[ring->id] = I915_READ(RING_INSTPM(ring->mmio_base));
- error->seqno[ring->id] = ring->get_seqno(ring, false);
- error->acthd[ring->id] = intel_ring_get_active_head(ring);
- error->head[ring->id] = I915_READ_HEAD(ring);
- error->tail[ring->id] = I915_READ_TAIL(ring);
- error->ctl[ring->id] = I915_READ_CTL(ring);
+ ering->waiting = waitqueue_active(&ring->irq_queue);
+ ering->instpm = I915_READ(RING_INSTPM(ring->mmio_base));
+ ering->seqno = ring->get_seqno(ring, false);
+ ering->acthd = intel_ring_get_active_head(ring);
+ ering->head = I915_READ_HEAD(ring);
+ ering->tail = I915_READ_TAIL(ring);
+ ering->ctl = I915_READ_CTL(ring);
+
+ if (I915_NEED_GFX_HWS(dev)) {
+ int mmio;
+
+ if (IS_GEN7(dev)) {
+ switch (ring->id) {
+ default:
+ case RCS:
+ mmio = RENDER_HWS_PGA_GEN7;
+ break;
+ case BCS:
+ mmio = BLT_HWS_PGA_GEN7;
+ break;
+ case VCS:
+ mmio = BSD_HWS_PGA_GEN7;
+ break;
+ case VECS:
+ mmio = VEBOX_HWS_PGA_GEN7;
+ break;
+ }
+ } else if (IS_GEN6(ring->dev)) {
+ mmio = RING_HWS_PGA_GEN6(ring->mmio_base);
+ } else {
+ /* XXX: gen8 returns to sanity */
+ mmio = RING_HWS_PGA(ring->mmio_base);
+ }
+
+ ering->hws = I915_READ(mmio);
+ }
- error->cpu_ring_head[ring->id] = ring->head;
- error->cpu_ring_tail[ring->id] = ring->tail;
+ ering->cpu_ring_head = ring->head;
+ ering->cpu_ring_tail = ring->tail;
- error->hangcheck_score[ring->id] = ring->hangcheck.score;
- error->hangcheck_action[ring->id] = ring->hangcheck.action;
+ ering->hangcheck_score = ring->hangcheck.score;
+ ering->hangcheck_action = ring->hangcheck.action;
+
+ if (USES_PPGTT(dev)) {
+ int i;
+
+ ering->vm_info.gfx_mode = I915_READ(RING_MODE_GEN7(ring));
+
+ switch (INTEL_INFO(dev)->gen) {
+ case 8:
+ for (i = 0; i < 4; i++) {
+ ering->vm_info.pdp[i] =
+ I915_READ(GEN8_RING_PDP_UDW(ring, i));
+ ering->vm_info.pdp[i] <<= 32;
+ ering->vm_info.pdp[i] |=
+ I915_READ(GEN8_RING_PDP_LDW(ring, i));
+ }
+ break;
+ case 7:
+ ering->vm_info.pp_dir_base = RING_PP_DIR_BASE(ring);
+ break;
+ case 6:
+ ering->vm_info.pp_dir_base = RING_PP_DIR_BASE_READ(ring);
+ break;
+ }
+ }
}
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;
}
}
struct drm_i915_error_state *error)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_ring_buffer *ring;
struct drm_i915_gem_request *request;
int i, count;
- for_each_ring(ring, dev_priv, i) {
- i915_record_ring_state(dev, error, ring);
+ for (i = 0; i < I915_NUM_RINGS; i++) {
+ struct intel_ring_buffer *ring = &dev_priv->ring[i];
+
+ if (ring->dev == NULL)
+ continue;
+
+ error->ring[i].valid = true;
+
+ i915_record_ring_state(dev, ring, &error->ring[i]);
error->ring[i].batchbuffer =
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);
+ if (ring->status_page.obj)
+ error->ring[i].hws_page =
+ i915_error_ggtt_object_create(dev_priv, ring->status_page.obj);
i915_gem_record_active_context(ring, error, &error->ring[i]);
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];
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),
i915_gem_capture_vm(dev_priv, error, vm, i++);
}
+/* Capture all registers which don't fit into another category. */
+static void i915_capture_reg_state(struct drm_i915_private *dev_priv,
+ struct drm_i915_error_state *error)
+{
+ struct drm_device *dev = dev_priv->dev;
+ int pipe;
+
+ /* General organization
+ * 1. Registers specific to a single generation
+ * 2. Registers which belong to multiple generations
+ * 3. Feature specific registers.
+ * 4. Everything else
+ * Please try to follow the order.
+ */
+
+ /* 1: Registers specific to a single generation */
+ if (IS_VALLEYVIEW(dev)) {
+ error->ier = I915_READ(GTIER) | I915_READ(VLV_IER);
+ error->forcewake = I915_READ(FORCEWAKE_VLV);
+ }
+
+ if (IS_GEN7(dev))
+ error->err_int = I915_READ(GEN7_ERR_INT);
+
+ if (IS_GEN6(dev)) {
+ error->forcewake = I915_READ(FORCEWAKE);
+ error->gab_ctl = I915_READ(GAB_CTL);
+ error->gfx_mode = I915_READ(GFX_MODE);
+ }
+
+ if (IS_GEN2(dev))
+ error->ier = I915_READ16(IER);
+
+ /* 2: Registers which belong to multiple generations */
+ if (INTEL_INFO(dev)->gen >= 7)
+ error->forcewake = I915_READ(FORCEWAKE_MT);
+
+ if (INTEL_INFO(dev)->gen >= 6) {
+ error->derrmr = I915_READ(DERRMR);
+ error->error = I915_READ(ERROR_GEN6);
+ error->done_reg = I915_READ(DONE_REG);
+ }
+
+ /* 3: Feature specific registers */
+ if (IS_GEN6(dev) || IS_GEN7(dev)) {
+ error->gam_ecochk = I915_READ(GAM_ECOCHK);
+ error->gac_eco = I915_READ(GAC_ECO_BITS);
+ }
+
+ /* 4: Everything else */
+ if (HAS_HW_CONTEXTS(dev))
+ error->ccid = I915_READ(CCID);
+
+ if (HAS_PCH_SPLIT(dev))
+ error->ier = I915_READ(DEIER) | I915_READ(GTIER);
+ else {
+ error->ier = I915_READ(IER);
+ for_each_pipe(pipe)
+ error->pipestat[pipe] = I915_READ(PIPESTAT(pipe));
+ }
+
+ /* 4: Everything else */
+ error->eir = I915_READ(EIR);
+ error->pgtbl_er = I915_READ(PGTBL_ER);
+
+ i915_get_extra_instdone(dev, error->extra_instdone);
+}
+
/**
* i915_capture_error_state - capture an error record for later analysis
* @dev: drm device
*/
void i915_capture_error_state(struct drm_device *dev)
{
+ static bool warned;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_error_state *error;
unsigned long flags;
- int pipe;
spin_lock_irqsave(&dev_priv->gpu_error.lock, flags);
error = dev_priv->gpu_error.first_error;
DRM_INFO("GPU crash dump saved to /sys/class/drm/card%d/error\n",
dev->primary->index);
- DRM_INFO("GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.\n");
- DRM_INFO("Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel\n");
- DRM_INFO("drm/i915 developers can then reassign to the right component if it's not a kernel issue.\n");
- DRM_INFO("The gpu crash dump is required to analyze gpu hangs, so please always attach it.\n");
-
- kref_init(&error->ref);
- error->eir = I915_READ(EIR);
- error->pgtbl_er = I915_READ(PGTBL_ER);
- if (HAS_HW_CONTEXTS(dev))
- error->ccid = I915_READ(CCID);
-
- if (HAS_PCH_SPLIT(dev))
- error->ier = I915_READ(DEIER) | I915_READ(GTIER);
- else if (IS_VALLEYVIEW(dev))
- error->ier = I915_READ(GTIER) | I915_READ(VLV_IER);
- else if (IS_GEN2(dev))
- error->ier = I915_READ16(IER);
- else
- error->ier = I915_READ(IER);
-
- if (INTEL_INFO(dev)->gen >= 6)
- error->derrmr = I915_READ(DERRMR);
-
- if (IS_VALLEYVIEW(dev))
- error->forcewake = I915_READ(FORCEWAKE_VLV);
- else if (INTEL_INFO(dev)->gen >= 7)
- error->forcewake = I915_READ(FORCEWAKE_MT);
- else if (INTEL_INFO(dev)->gen == 6)
- error->forcewake = I915_READ(FORCEWAKE);
-
- if (!HAS_PCH_SPLIT(dev))
- for_each_pipe(pipe)
- error->pipestat[pipe] = I915_READ(PIPESTAT(pipe));
-
- if (INTEL_INFO(dev)->gen >= 6) {
- error->error = I915_READ(ERROR_GEN6);
- error->done_reg = I915_READ(DONE_REG);
+ if (!warned) {
+ DRM_INFO("GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.\n");
+ DRM_INFO("Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel\n");
+ DRM_INFO("drm/i915 developers can then reassign to the right component if it's not a kernel issue.\n");
+ DRM_INFO("The gpu crash dump is required to analyze gpu hangs, so please always attach it.\n");
+ warned = true;
}
- if (INTEL_INFO(dev)->gen == 7)
- error->err_int = I915_READ(GEN7_ERR_INT);
-
- i915_get_extra_instdone(dev, error->extra_instdone);
+ kref_init(&error->ref);
+ i915_capture_reg_state(dev_priv, error);
i915_gem_capture_buffers(dev_priv, error);
i915_gem_record_fences(dev, error);
i915_gem_record_rings(dev, error);
projects / linux-2.6-block.git / blobdiff