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-rw-r--r--sys/dev/pci/drm/i915_drv.c506
-rw-r--r--sys/dev/pci/drm/i915_drv.h8
-rw-r--r--sys/dev/pci/drm/i915_gem.c70
-rw-r--r--sys/dev/pci/drm/i915_irq.c24
4 files changed, 355 insertions, 253 deletions
diff --git a/sys/dev/pci/drm/i915_drv.c b/sys/dev/pci/drm/i915_drv.c
index fe0fa97556b..b6ec6d1af44 100644
--- a/sys/dev/pci/drm/i915_drv.c
+++ b/sys/dev/pci/drm/i915_drv.c
@@ -97,11 +97,14 @@ int inteldrm_doioctl(struct drm_device *, u_long, caddr_t, struct drm_file *);
int inteldrm_gmch_match(struct pci_attach_args *);
void inteldrm_timeout(void *);
-void inteldrm_hung(void *, void *);
-void inteldrm_965_reset(struct inteldrm_softc *, u_int8_t);
void inteldrm_quiesce(struct inteldrm_softc *);
/* For reset and suspend */
+int i8xx_do_reset(struct drm_device *);
+int i965_do_reset(struct drm_device *);
+int i965_reset_complete(struct drm_device *);
+int ironlake_do_reset(struct drm_device *);
+int gen6_do_reset(struct drm_device *);
void i915_alloc_ifp(struct inteldrm_softc *, struct pci_attach_args *);
void i965_alloc_ifp(struct inteldrm_softc *, struct pci_attach_args *);
@@ -1890,293 +1893,322 @@ inteldrm_timeout(void *arg)
DRM_ERROR("failed to run retire handler\n");
}
-/*
- * handle hung hardware, or error interrupts. for now print debug info.
- */
-void
-inteldrm_error(struct inteldrm_softc *dev_priv)
+bus_size_t
+i915_get_fence_size(struct inteldrm_softc *dev_priv, bus_size_t size)
{
struct drm_device *dev = (struct drm_device *)dev_priv->drmdev;
- u_int32_t eir, ipeir;
- u_int8_t reset = GRDOM_RENDER;
- char *errbitstr;
-
- eir = I915_READ(EIR);
- if (eir == 0)
- return;
+ bus_size_t i, start;
- if (IS_IRONLAKE(dev)) {
- errbitstr = "\20\x05PTEE\x04MPVE\x03CPVE";
- } else if (IS_G4X(dev)) {
- errbitstr = "\20\x10 BCSINSTERR\x06PTEERR\x05MPVERR\x04CPVERR"
- "\x03 BCSPTEERR\x02REFRESHERR\x01INSTERR";
+ if (INTEL_INFO(dev)->gen >= 4) {
+ /* 965 can have fences anywhere, so align to gpu-page size */
+ return ((size + (4096 - 1)) & ~(4096 - 1));
} else {
- errbitstr = "\20\x5PTEERR\x2REFRESHERR\x1INSTERR";
+ /*
+ * Align the size to a power of two greater than the smallest
+ * fence size.
+ */
+ if (IS_I9XX(dev))
+ start = 1024 * 1024;
+ else
+ start = 512 * 1024;
+
+ for (i = start; i < size; i <<= 1)
+ ;
+
+ return (i);
}
+}
- printf("render error detected, EIR: %b\n", eir, errbitstr);
- if (IS_IRONLAKE(dev) || IS_GEN6(dev) || IS_GEN7(dev)) {
- if (eir & I915_ERROR_PAGE_TABLE) {
- dev_priv->mm.wedged = 1;
- reset = GRDOM_FULL;
- }
- } else {
- if (IS_G4X(dev)) {
- if (eir & (GM45_ERROR_MEM_PRIV | GM45_ERROR_CP_PRIV)) {
- printf(" IPEIR: 0x%08x\n",
- I915_READ(IPEIR_I965));
- printf(" IPEHR: 0x%08x\n",
- I915_READ(IPEHR_I965));
- printf(" INSTDONE: 0x%08x\n",
- I915_READ(INSTDONE_I965));
- printf(" INSTPS: 0x%08x\n",
- I915_READ(INSTPS));
- printf(" INSTDONE1: 0x%08x\n",
- I915_READ(INSTDONE1));
- printf(" ACTHD: 0x%08x\n",
- I915_READ(ACTHD_I965));
- }
- if (eir & GM45_ERROR_PAGE_TABLE) {
- printf(" PGTBL_ER: 0x%08x\n",
- I915_READ(PGTBL_ER));
- dev_priv->mm.wedged = 1;
- reset = GRDOM_FULL;
+int
+i8xx_do_reset(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
- }
- } else if (IS_I9XX(dev) && eir & I915_ERROR_PAGE_TABLE) {
- printf(" PGTBL_ER: 0x%08x\n", I915_READ(PGTBL_ER));
- dev_priv->mm.wedged = 1;
- reset = GRDOM_FULL;
- }
- if (eir & I915_ERROR_MEMORY_REFRESH) {
- printf("PIPEASTAT: 0x%08x\n",
- I915_READ(_PIPEASTAT));
- printf("PIPEBSTAT: 0x%08x\n",
- I915_READ(_PIPEBSTAT));
- }
- if (eir & I915_ERROR_INSTRUCTION) {
- printf(" INSTPM: 0x%08x\n",
- I915_READ(INSTPM));
- if (INTEL_INFO(dev)->gen < 4) {
- ipeir = I915_READ(IPEIR);
-
- printf(" IPEIR: 0x%08x\n",
- I915_READ(IPEIR));
- printf(" IPEHR: 0x%08x\n",
- I915_READ(IPEHR));
- printf(" INSTDONE: 0x%08x\n",
- I915_READ(INSTDONE));
- printf(" ACTHD: 0x%08x\n",
- I915_READ(ACTHD));
- I915_WRITE(IPEIR, ipeir);
- (void)I915_READ(IPEIR);
- } else {
- ipeir = I915_READ(IPEIR_I965);
-
- printf(" IPEIR: 0x%08x\n",
- I915_READ(IPEIR_I965));
- printf(" IPEHR: 0x%08x\n",
- I915_READ(IPEHR_I965));
- printf(" INSTDONE: 0x%08x\n",
- I915_READ(INSTDONE_I965));
- printf(" INSTPS: 0x%08x\n",
- I915_READ(INSTPS));
- printf(" INSTDONE1: 0x%08x\n",
- I915_READ(INSTDONE1));
- printf(" ACTHD: 0x%08x\n",
- I915_READ(ACTHD_I965));
- I915_WRITE(IPEIR_I965, ipeir);
- (void)I915_READ(IPEIR_I965);
- }
- }
+ if (IS_I85X(dev))
+ return -ENODEV;
+
+ I915_WRITE(D_STATE, I915_READ(D_STATE) | DSTATE_GFX_RESET_I830);
+ POSTING_READ(D_STATE);
+
+ if (IS_I830(dev) || IS_845G(dev)) {
+ I915_WRITE(DEBUG_RESET_I830,
+ DEBUG_RESET_DISPLAY |
+ DEBUG_RESET_RENDER |
+ DEBUG_RESET_FULL);
+ POSTING_READ(DEBUG_RESET_I830);
+ drm_msleep(1, "8res1");
+
+ I915_WRITE(DEBUG_RESET_I830, 0);
+ POSTING_READ(DEBUG_RESET_I830);
}
- I915_WRITE(EIR, eir);
- eir = I915_READ(EIR);
+ drm_msleep(1, "8res2");
+
+ I915_WRITE(D_STATE, I915_READ(D_STATE) & ~DSTATE_GFX_RESET_I830);
+ POSTING_READ(D_STATE);
+
+ return 0;
+}
+
+int
+i965_reset_complete(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ u8 gdrst;
+ gdrst = (pci_conf_read(dev_priv->pc, dev_priv->tag, I965_GDRST) >> 24);
+ return (gdrst & GRDOM_RESET_ENABLE) == 0;
+}
+
+int
+i965_do_reset(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ pcireg_t reg;
+ int retries;
+
/*
- * nasty errors don't clear and need a reset, mask them until we reset
- * else we'll get infinite interrupt storms.
+ * Set the domains we want to reset (GRDOM/bits 2 and 3) as
+ * well as the reset bit (GR/bit 0). Setting the GR bit
+ * triggers the reset; when done, the hardware will clear it.
*/
- if (eir) {
- if (dev_priv->mm.wedged == 0)
- DRM_ERROR("EIR stuck: 0x%08x, masking\n", eir);
- I915_WRITE(EMR, I915_READ(EMR) | eir);
- if (IS_IRONLAKE(dev) || IS_GEN6(dev) ||
- IS_GEN7(dev)) {
- I915_WRITE(GTIIR, GT_RENDER_CS_ERROR_INTERRUPT);
- } else {
- I915_WRITE(IIR,
- I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
- }
+ reg = pci_conf_read(dev_priv->pc, dev_priv->tag, I965_GDRST);
+ reg |= ((GRDOM_RENDER | GRDOM_RESET_ENABLE) << 24);
+ pci_conf_write(dev_priv->pc, dev_priv->tag, I965_GDRST, reg);
+
+ for (retries = 50; retries > 0 ; retries--) {
+ if (i965_reset_complete(dev))
+ break;
+ DELAY(100);
+ }
+ if (retries == 0) {
+ DRM_ERROR("965 reset timed out\n");
+ return -ETIMEDOUT;
}
- /*
- * if it was a pagetable error, or we were called from hangcheck, then
- * reset the gpu.
- */
- if (dev_priv->mm.wedged && workq_add_task(dev_priv->workq, 0,
- inteldrm_hung, dev_priv, (void *)(uintptr_t)reset) == ENOMEM)
- DRM_INFO("failed to schedule reset task\n");
+ /* We can't reset render&media without also resetting display ... */
+ reg = pci_conf_read(dev_priv->pc, dev_priv->tag, I965_GDRST);
+ reg |= ((GRDOM_MEDIA | GRDOM_RESET_ENABLE) << 24);
+ pci_conf_write(dev_priv->pc, dev_priv->tag, I965_GDRST, reg);
+
+ for (retries = 50; retries > 0 ; retries--) {
+ if (i965_reset_complete(dev))
+ break;
+ DELAY(100);
+ }
+ if (retries == 0) {
+ DRM_ERROR("965 reset 2 timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ return (0);
}
-void
-inteldrm_hung(void *arg, void *reset_type)
+int
+ironlake_do_reset(struct drm_device *dev)
{
- struct inteldrm_softc *dev_priv = arg;
- struct drm_device *dev = (struct drm_device *)dev_priv->drmdev;
- struct drm_i915_gem_object *obj_priv;
- u_int8_t reset = (u_int8_t)(uintptr_t)reset_type;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ u32 gdrst;
+ int retries;
+
+ gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR);
+ I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR,
+ gdrst | GRDOM_RENDER | GRDOM_RESET_ENABLE);
+ for (retries = 50; retries > 0 ; retries--) {
+ if (I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1)
+ break;
+ DELAY(100);
+ }
+ if (retries == 0) {
+ DRM_ERROR("ironlake reset timed out\n");
+ return -ETIMEDOUT;
+ }
- DRM_LOCK();
- if (HAS_RESET(dev)) {
- DRM_INFO("resetting gpu: ");
- inteldrm_965_reset(dev_priv, reset);
- printf("done!\n");
- } else
- printf("no reset function for chipset.\n");
+ /* We can't reset render&media without also resetting display ... */
+ gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR);
+ I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR,
+ gdrst | GRDOM_MEDIA | GRDOM_RESET_ENABLE);
+ for (retries = 50; retries > 0 ; retries--) {
+ if (I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1)
+ break;
+ DELAY(100);
+ }
+ if (retries == 0) {
+ DRM_ERROR("ironlake reset timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ return (0);
+}
- /*
- * Clear out all of the requests and make everything inactive.
+int
+gen6_do_reset(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int ret = 0;
+ int retries;
+
+ /* Hold gt_lock across reset to prevent any register access
+ * with forcewake not set correctly
*/
- i915_gem_retire_requests(dev_priv);
+ mtx_enter(&dev_priv->gt_lock);
- /*
- * Clear the active and flushing lists to inactive. Since
- * we've reset the hardware then they're not going to get
- * flushed or completed otherwise. nuke the domains since
- * they're now irrelavent.
+ /* Reset the chip */
+
+ /* GEN6_GDRST is not in the gt power well, no need to check
+ * for fifo space for the write or forcewake the chip for
+ * the read
*/
- while (!list_empty(&dev_priv->mm.flushing_list)) {
- obj_priv = list_first_entry(&dev_priv->mm.flushing_list,
- struct drm_i915_gem_object,
- mm_list);
-
- drm_lock_obj(&obj_priv->base);
- if (obj_priv->base.write_domain & I915_GEM_GPU_DOMAINS) {
- list_del_init(&obj_priv->gpu_write_list);
- obj_priv->base.write_domain &= ~I915_GEM_GPU_DOMAINS;
- }
- /* unlocks object and list */
- i915_gem_object_move_to_inactive_locked(obj_priv);
+ I915_WRITE_NOTRACE(GEN6_GDRST, GEN6_GRDOM_FULL);
+
+ /* Spin waiting for the device to ack the reset request */
+ for (retries = 50; retries > 0 ; retries--) {
+ if ((I915_READ_NOTRACE(GEN6_GDRST) & GEN6_GRDOM_FULL) == 0)
+ break;
+ DELAY(100);
+ }
+ if (retries == 0) {
+ DRM_ERROR("gen6 reset timed out\n");
+ ret = -ETIMEDOUT;
}
- /* unbind everything */
- (void)i915_gem_evict_inactive(dev_priv);
+ /* If reset with a user forcewake, try to restore, otherwise turn it off */
+ if (dev_priv->forcewake_count)
+ dev_priv->gt.force_wake_get(dev_priv);
+ else
+ dev_priv->gt.force_wake_put(dev_priv);
+
+ /* Restore fifo count */
+ dev_priv->gt_fifo_count = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
- if (HAS_RESET(dev))
- dev_priv->mm.wedged = 0;
- DRM_UNLOCK();
+ mtx_leave(&dev_priv->gt_lock);
+ return ret;
}
-bus_size_t
-i915_get_fence_size(struct inteldrm_softc *dev_priv, bus_size_t size)
+int
+intel_gpu_reset(struct drm_device *dev)
{
- struct drm_device *dev = (struct drm_device *)dev_priv->drmdev;
- bus_size_t i, start;
-
- if (INTEL_INFO(dev)->gen >= 4) {
- /* 965 can have fences anywhere, so align to gpu-page size */
- return ((size + (4096 - 1)) & ~(4096 - 1));
- } else {
- /*
- * Align the size to a power of two greater than the smallest
- * fence size.
- */
- if (IS_I9XX(dev))
- start = 1024 * 1024;
- else
- start = 512 * 1024;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int ret = -ENODEV;
- for (i = start; i < size; i <<= 1)
- ;
+ switch (INTEL_INFO(dev)->gen) {
+ case 7:
+ case 6:
+ ret = gen6_do_reset(dev);
+ break;
+ case 5:
+ ret = ironlake_do_reset(dev);
+ break;
+ case 4:
+ ret = i965_do_reset(dev);
+ break;
+ case 2:
+ ret = i8xx_do_reset(dev);
+ break;
+ }
- return (i);
+ /* Also reset the gpu hangman. */
+ if (dev_priv->stop_rings) {
+ DRM_DEBUG("Simulated gpu hang, resetting stop_rings\n");
+ dev_priv->stop_rings = 0;
+ if (ret == -ENODEV) {
+ DRM_ERROR("Reset not implemented, but ignoring "
+ "error for simulated gpu hangs\n");
+ ret = 0;
+ }
}
+
+ return ret;
}
-/*
- * Reset the chip after a hang (965 only)
+/**
+ * i915_reset - reset chip after a hang
+ * @dev: drm device to reset
+ *
+ * Reset the chip. Useful if a hang is detected. Returns zero on successful
+ * reset or otherwise an error code.
*
- * The procedure that should be followed is relatively simple:
- * - reset the chip using the reset reg
- * - re-init context state
- * - re-init Hardware status page
- * - re-init ringbuffer
- * - re-init interrupt state
- * - re-init display
+ * Procedure is fairly simple:
+ * - reset the chip using the reset reg
+ * - re-init context state
+ * - re-init hardware status page
+ * - re-init ring buffer
+ * - re-init interrupt state
+ * - re-init display
*/
-void
-inteldrm_965_reset(struct inteldrm_softc *dev_priv, u_int8_t flags)
+int
+i915_reset(struct drm_device *dev)
{
- struct drm_device *dev = (struct drm_device *)dev_priv->drmdev;
- pcireg_t reg;
- int i = 0;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int ret;
- /*
- * There seems to be soemthing wrong with !full reset modes, so force
- * the whole shebang for now.
- */
- flags = GRDOM_FULL;
+#ifdef notyet
+ if (!i915_try_reset)
+ return 0;
+#endif
- if (flags == GRDOM_FULL)
- i915_save_display(dev);
+ DRM_LOCK();
- reg = pci_conf_read(dev_priv->pc, dev_priv->tag, I965_GDRST);
- /*
- * Set the domains we want to reset, then bit 0 (reset itself).
- * then we wait for the hardware to clear it.
- */
- pci_conf_write(dev_priv->pc, dev_priv->tag, I965_GDRST,
- reg | (u_int32_t)flags | ((flags == GRDOM_FULL) ? 0x1 : 0x0));
- delay(50);
- /* don't clobber the rest of the register */
- pci_conf_write(dev_priv->pc, dev_priv->tag, I965_GDRST, reg & 0xfe);
+ i915_gem_reset(dev);
- /* if this fails we're pretty much fucked, but don't loop forever */
- do {
- delay(100);
- reg = pci_conf_read(dev_priv->pc, dev_priv->tag, I965_GDRST);
- } while ((reg & 0x1) && ++i < 10);
+ ret = -ENODEV;
+ if (time_second - dev_priv->last_gpu_reset < 5)
+ DRM_ERROR("GPU hanging too fast, declaring wedged!\n");
+ else
+ ret = intel_gpu_reset(dev);
- if (reg & 0x1)
- printf("bit 0 not cleared .. ");
+ dev_priv->last_gpu_reset = time_second;
+ if (ret) {
+ DRM_ERROR("Failed to reset chip.\n");
+ DRM_UNLOCK();
+ return ret;
+ }
- /* put everything back together again */
+ /* Ok, now get things going again... */
/*
- * GTT is already up (we didn't do a pci-level reset, thank god.
+ * Everything depends on having the GTT running, so we need to start
+ * there. Fortunately we don't need to do this unless we reset the
+ * chip at a PCI level.
+ *
+ * Next we need to restore the context, but we don't use those
+ * yet either...
*
- * We don't have to restore the contexts (we don't use them yet).
- * So, if X is running we need to put the ringbuffer back first.
+ * Ring buffer needs to be re-initialized in the KMS case, or if X
+ * was running at the time of the reset (i.e. we weren't VT
+ * switched away).
*/
- if (dev_priv->mm.suspended == 0) {
- struct drm_device *dev = (struct drm_device *)dev_priv->drmdev;
- if (init_ring_common(&dev_priv->rings[RCS]) != 0)
- panic("can't restart ring, we're fucked");
+ if (drm_core_check_feature(dev, DRIVER_MODESET) ||
+ !dev_priv->mm.suspended) {
+ struct intel_ring_buffer *ring;
+ int i;
-#if 0
- /* put the hardware status page back */
- if (I915_NEED_GFX_HWS(dev)) {
- I915_WRITE(HWS_PGA, ((struct drm_i915_gem_object *)
- dev_priv->hws_obj)->gtt_offset);
- } else {
- I915_WRITE(HWS_PGA,
- dev_priv->hws_dmamem->map->dm_segs[0].ds_addr);
- }
- I915_READ(HWS_PGA); /* posting read */
+ dev_priv->mm.suspended = 0;
+
+ i915_gem_init_swizzling(dev);
+
+ for_each_ring(ring, dev_priv, i)
+ ring->init(ring);
+
+#ifdef notyet
+ i915_gem_context_init(dev);
+ i915_gem_init_ppgtt(dev);
#endif
- /* so we remove the handler and can put it back in */
+ /*
+ * It would make sense to re-init all the other hw state, at
+ * least the rps/rc6/emon init done within modeset_init_hw. For
+ * some unknown reason, this blows up my ilk, so don't.
+ */
+
DRM_UNLOCK();
+
drm_irq_uninstall(dev);
drm_irq_install(dev);
- DRM_LOCK();
- } else
- printf("not restarting ring...\n");
-
+ } else {
+ DRM_UNLOCK();
+ }
- if (flags == GRDOM_FULL)
- i915_restore_display(dev);
+ return 0;
}
/*
diff --git a/sys/dev/pci/drm/i915_drv.h b/sys/dev/pci/drm/i915_drv.h
index 0796edbacad..39bdb573176 100644
--- a/sys/dev/pci/drm/i915_drv.h
+++ b/sys/dev/pci/drm/i915_drv.h
@@ -618,6 +618,8 @@ struct inteldrm_softc {
/* number of ioctls + faults in flight */
int entries;
+ struct workq_task error_task;
+
enum intel_pch pch_type;
unsigned short pch_id;
@@ -769,6 +771,8 @@ struct inteldrm_softc {
unsigned int fsb_freq, mem_freq, is_ddr3;
+ time_t last_gpu_reset;
+
struct intel_fbdev *fbdev;
struct drm_property *broadcast_rgb_property;
@@ -1134,7 +1138,8 @@ void inteldrm_wipe_mappings(struct drm_obj *);
void inteldrm_set_max_obj_size(struct inteldrm_softc *);
void inteldrm_purge_obj(struct drm_obj *);
void inteldrm_chipset_flush(struct inteldrm_softc *);
-void inteldrm_error(struct inteldrm_softc *);
+int intel_gpu_reset(struct drm_device *);
+int i915_reset(struct drm_device *);
/* i915_gem_evict.c */
int i915_gem_evict_everything(struct inteldrm_softc *);
@@ -1181,6 +1186,7 @@ void i915_gem_write_fence(struct drm_device *, int,
void i915_gem_reset_fences(struct drm_device *);
int i915_gem_object_get_fence(struct drm_i915_gem_object *);
int i915_gem_object_put_fence(struct drm_i915_gem_object *);
+void i915_gem_reset(struct drm_device *);
/* intel_opregion.c */
int intel_opregion_setup(struct drm_device *dev);
diff --git a/sys/dev/pci/drm/i915_gem.c b/sys/dev/pci/drm/i915_gem.c
index 730803b6d48..5fbea7f36d2 100644
--- a/sys/dev/pci/drm/i915_gem.c
+++ b/sys/dev/pci/drm/i915_gem.c
@@ -71,6 +71,8 @@ void i915_gem_object_update_fence(struct drm_i915_gem_object *,
struct drm_i915_fence_reg *, bool);
int i915_gem_object_flush_fence(struct drm_i915_gem_object *);
struct drm_i915_fence_reg *i915_find_fence_reg(struct drm_device *);
+void i915_gem_reset_ring_lists(drm_i915_private_t *,
+ struct intel_ring_buffer *);
static inline void
i915_gem_object_fence_lost(struct drm_i915_gem_object *obj)
@@ -1045,7 +1047,35 @@ i915_add_request(struct intel_ring_buffer *ring,
}
// i915_gem_request_remove_from_client
-// i915_gem_reset_ring_lists
+
+void
+i915_gem_reset_ring_lists(drm_i915_private_t *dev_priv,
+ struct intel_ring_buffer *ring)
+{
+ while (!list_empty(&ring->request_list)) {
+ struct drm_i915_gem_request *request;
+
+ request = list_first_entry(&ring->request_list,
+ struct drm_i915_gem_request,
+ list);
+
+ list_del(&request->list);
+// i915_gem_request_remove_from_client(request);
+ free(request, M_DRM);
+ }
+
+ 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);
+
+ obj->base.write_domain = 0;
+ list_del_init(&obj->gpu_write_list);
+ i915_gem_object_move_to_inactive(obj);
+ }
+}
void
i915_gem_reset_fences(struct drm_device *dev)
@@ -1069,7 +1099,43 @@ i915_gem_reset_fences(struct drm_device *dev)
INIT_LIST_HEAD(&dev_priv->mm.fence_list);
}
-// i915_gem_reset
+void
+i915_gem_reset(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_gem_object *obj;
+ int i;
+
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ i915_gem_reset_ring_lists(dev_priv, &dev_priv->rings[i]);
+
+ /* Remove anything from the flushing lists. The GPU cache is likely
+ * to be lost on reset along with the data, so simply move the
+ * lost bo to the inactive list.
+ */
+ while (!list_empty(&dev_priv->mm.flushing_list)) {
+ obj = list_first_entry(&dev_priv->mm.flushing_list,
+ struct drm_i915_gem_object,
+ mm_list);
+
+ obj->base.write_domain = 0;
+ list_del_init(&obj->gpu_write_list);
+ i915_gem_object_move_to_inactive(obj);
+ }
+
+ /* Move everything out of the GPU domains to ensure we do any
+ * necessary invalidation upon reuse.
+ */
+ list_for_each_entry(obj,
+ &dev_priv->mm.inactive_list,
+ mm_list)
+ {
+ obj->base.read_domains &= ~I915_GEM_GPU_DOMAINS;
+ }
+
+ /* The fence registers are invalidated so clear them out */
+ i915_gem_reset_fences(dev);
+}
/**
* This function clears the request list as sequence numbers are passed.
diff --git a/sys/dev/pci/drm/i915_irq.c b/sys/dev/pci/drm/i915_irq.c
index cf5495523e4..df8476207ff 100644
--- a/sys/dev/pci/drm/i915_irq.c
+++ b/sys/dev/pci/drm/i915_irq.c
@@ -88,6 +88,7 @@ int i965_intr(void *);
void i965_irq_uninstall(struct drm_device *);
void intel_irq_init(struct drm_device *);
void i915_hotplug_work_func(void *, void *);
+void i915_error_work_func(void *, void *);
/* For display hotplug interrupt */
void
@@ -922,30 +923,29 @@ done:
* Fire an error uevent so userspace can see that a hang or error
* was detected.
*/
-#ifdef notyet
void
-i915_error_work_func(struct work_struct *work)
+i915_error_work_func(void *arg1, void *arg2)
{
- drm_i915_private_t *dev_priv = container_of(work, drm_i915_private_t,
- error_work);
- struct drm_device *dev = dev_priv->dev;
+ drm_i915_private_t *dev_priv = arg1;
+ struct drm_device *dev = (struct drm_device *)dev_priv->drmdev;
+#if 0
char *error_event[] = { "ERROR=1", NULL };
char *reset_event[] = { "RESET=1", NULL };
char *reset_done_event[] = { "ERROR=0", NULL };
kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, error_event);
+#endif
if (atomic_read(&dev_priv->mm.wedged)) {
DRM_DEBUG_DRIVER("resetting chip\n");
- kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, reset_event);
+// kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, reset_event);
if (!i915_reset(dev)) {
atomic_set(&dev_priv->mm.wedged, 0);
- kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, reset_done_event);
+// kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, reset_done_event);
}
- complete_all(&dev_priv->error_completion);
+// complete_all(&dev_priv->error_completion);
}
}
-#endif
/* NB: please notice the memset */
void
@@ -1576,9 +1576,8 @@ i915_handle_error(struct drm_device *dev, bool wedged)
#endif
}
-#ifdef notyet
- queue_work(dev_priv->wq, &dev_priv->error_work);
-#endif
+ workq_queue_task(NULL, &dev_priv->error_task, 0,
+ i915_error_work_func, dev_priv, NULL);
}
void
@@ -2851,7 +2850,6 @@ intel_irq_init(struct drm_device *dev)
// struct inteldrm_softc *dev_priv = dev->dev_private;
#ifdef notyet
- INIT_WORK(&dev_priv->error_work, i915_error_work_func);
INIT_WORK(&dev_priv->rps.work, gen6_pm_rps_work);
INIT_WORK(&dev_priv->l3_parity.error_work, ivybridge_parity_work);