enum pipe pipe;
struct intel_crtc *crtc;
+ assert_spin_locked(&dev_priv->irq_lock);
+
for_each_pipe(pipe) {
crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
}
static void ivybridge_set_fifo_underrun_reporting(struct drm_device *dev,
- bool enable)
+ enum pipe pipe, bool enable)
{
struct drm_i915_private *dev_priv = dev->dev_private;
-
if (enable) {
+ I915_WRITE(GEN7_ERR_INT, ERR_INT_FIFO_UNDERRUN(pipe));
+
if (!ivb_can_enable_err_int(dev))
return;
- I915_WRITE(GEN7_ERR_INT, ERR_INT_FIFO_UNDERRUN_A |
- ERR_INT_FIFO_UNDERRUN_B |
- ERR_INT_FIFO_UNDERRUN_C);
-
ironlake_enable_display_irq(dev_priv, DE_ERR_INT_IVB);
} else {
+ bool was_enabled = !(I915_READ(DEIMR) & DE_ERR_INT_IVB);
+
+ /* Change the state _after_ we've read out the current one. */
ironlake_disable_display_irq(dev_priv, DE_ERR_INT_IVB);
+
+ if (!was_enabled &&
+ (I915_READ(GEN7_ERR_INT) & ERR_INT_FIFO_UNDERRUN(pipe))) {
+ DRM_DEBUG_KMS("uncleared fifo underrun on pipe %c\n",
+ pipe_name(pipe));
+ }
}
}
-static void ibx_set_fifo_underrun_reporting(struct intel_crtc *crtc,
+/**
+ * ibx_display_interrupt_update - update SDEIMR
+ * @dev_priv: driver private
+ * @interrupt_mask: mask of interrupt bits to update
+ * @enabled_irq_mask: mask of interrupt bits to enable
+ */
+static void ibx_display_interrupt_update(struct drm_i915_private *dev_priv,
+ uint32_t interrupt_mask,
+ uint32_t enabled_irq_mask)
+{
+ uint32_t sdeimr = I915_READ(SDEIMR);
+ sdeimr &= ~interrupt_mask;
+ sdeimr |= (~enabled_irq_mask & interrupt_mask);
+
+ assert_spin_locked(&dev_priv->irq_lock);
+
+ I915_WRITE(SDEIMR, sdeimr);
+ POSTING_READ(SDEIMR);
+}
+#define ibx_enable_display_interrupt(dev_priv, bits) \
+ ibx_display_interrupt_update((dev_priv), (bits), (bits))
+#define ibx_disable_display_interrupt(dev_priv, bits) \
+ ibx_display_interrupt_update((dev_priv), (bits), 0)
+
+static void ibx_set_fifo_underrun_reporting(struct drm_device *dev,
+ enum transcoder pch_transcoder,
bool enable)
{
- struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- uint32_t bit = (crtc->pipe == PIPE_A) ? SDE_TRANSA_FIFO_UNDER :
- SDE_TRANSB_FIFO_UNDER;
+ uint32_t bit = (pch_transcoder == TRANSCODER_A) ?
+ SDE_TRANSA_FIFO_UNDER : SDE_TRANSB_FIFO_UNDER;
if (enable)
- I915_WRITE(SDEIMR, I915_READ(SDEIMR) & ~bit);
+ ibx_enable_display_interrupt(dev_priv, bit);
else
- I915_WRITE(SDEIMR, I915_READ(SDEIMR) | bit);
-
- POSTING_READ(SDEIMR);
+ ibx_disable_display_interrupt(dev_priv, bit);
}
static void cpt_set_fifo_underrun_reporting(struct drm_device *dev,
struct drm_i915_private *dev_priv = dev->dev_private;
if (enable) {
+ I915_WRITE(SERR_INT,
+ SERR_INT_TRANS_FIFO_UNDERRUN(pch_transcoder));
+
if (!cpt_can_enable_serr_int(dev))
return;
- I915_WRITE(SERR_INT, SERR_INT_TRANS_A_FIFO_UNDERRUN |
- SERR_INT_TRANS_B_FIFO_UNDERRUN |
- SERR_INT_TRANS_C_FIFO_UNDERRUN);
-
- I915_WRITE(SDEIMR, I915_READ(SDEIMR) & ~SDE_ERROR_CPT);
+ ibx_enable_display_interrupt(dev_priv, SDE_ERROR_CPT);
} else {
- I915_WRITE(SDEIMR, I915_READ(SDEIMR) | SDE_ERROR_CPT);
- }
+ uint32_t tmp = I915_READ(SERR_INT);
+ bool was_enabled = !(I915_READ(SDEIMR) & SDE_ERROR_CPT);
- POSTING_READ(SDEIMR);
+ /* Change the state _after_ we've read out the current one. */
+ ibx_disable_display_interrupt(dev_priv, SDE_ERROR_CPT);
+
+ if (!was_enabled &&
+ (tmp & SERR_INT_TRANS_FIFO_UNDERRUN(pch_transcoder))) {
+ DRM_DEBUG_KMS("uncleared pch fifo underrun on pch transcoder %c\n",
+ transcoder_name(pch_transcoder));
+ }
+ }
}
/**
if (IS_GEN5(dev) || IS_GEN6(dev))
ironlake_set_fifo_underrun_reporting(dev, pipe, enable);
else if (IS_GEN7(dev))
- ivybridge_set_fifo_underrun_reporting(dev, enable);
+ ivybridge_set_fifo_underrun_reporting(dev, pipe, enable);
done:
spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
bool enable)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- enum pipe p;
- struct drm_crtc *crtc;
- struct intel_crtc *intel_crtc;
+ struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pch_transcoder];
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
unsigned long flags;
bool ret;
- if (HAS_PCH_LPT(dev)) {
- crtc = NULL;
- for_each_pipe(p) {
- struct drm_crtc *c = dev_priv->pipe_to_crtc_mapping[p];
- if (intel_pipe_has_type(c, INTEL_OUTPUT_ANALOG)) {
- crtc = c;
- break;
- }
- }
- if (!crtc) {
- DRM_ERROR("PCH FIFO underrun, but no CRTC using the PCH found\n");
- return false;
- }
- } else {
- crtc = dev_priv->pipe_to_crtc_mapping[pch_transcoder];
- }
- intel_crtc = to_intel_crtc(crtc);
+ /*
+ * NOTE: Pre-LPT has a fixed cpu pipe -> pch transcoder mapping, but LPT
+ * has only one pch transcoder A that all pipes can use. To avoid racy
+ * pch transcoder -> pipe lookups from interrupt code simply store the
+ * underrun statistics in crtc A. Since we never expose this anywhere
+ * nor use it outside of the fifo underrun code here using the "wrong"
+ * crtc on LPT won't cause issues.
+ */
spin_lock_irqsave(&dev_priv->irq_lock, flags);
intel_crtc->pch_fifo_underrun_disabled = !enable;
if (HAS_PCH_IBX(dev))
- ibx_set_fifo_underrun_reporting(intel_crtc, enable);
+ ibx_set_fifo_underrun_reporting(dev, pch_transcoder, enable);
else
cpt_set_fifo_underrun_reporting(dev, pch_transcoder, enable);
u32 reg = PIPESTAT(pipe);
u32 pipestat = I915_READ(reg) & 0x7fff0000;
+ assert_spin_locked(&dev_priv->irq_lock);
+
if ((pipestat & mask) == mask)
return;
u32 reg = PIPESTAT(pipe);
u32 pipestat = I915_READ(reg) & 0x7fff0000;
+ assert_spin_locked(&dev_priv->irq_lock);
+
if ((pipestat & mask) == 0)
return;
drm_kms_helper_hotplug_event(dev);
}
-static void ironlake_handle_rps_change(struct drm_device *dev)
+static void ironlake_rps_change_irq_handler(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
u32 busy_up, busy_down, max_avg, min_avg;
u8 new_delay;
- unsigned long flags;
- spin_lock_irqsave(&mchdev_lock, flags);
+ spin_lock(&mchdev_lock);
I915_WRITE16(MEMINTRSTS, I915_READ(MEMINTRSTS));
if (ironlake_set_drps(dev, new_delay))
dev_priv->ips.cur_delay = new_delay;
- spin_unlock_irqrestore(&mchdev_lock, flags);
+ spin_unlock(&mchdev_lock);
return;
}
static void notify_ring(struct drm_device *dev,
struct intel_ring_buffer *ring)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
if (ring->obj == NULL)
return;
trace_i915_gem_request_complete(ring, ring->get_seqno(ring, false));
wake_up_all(&ring->irq_queue);
- if (i915_enable_hangcheck) {
- mod_timer(&dev_priv->gpu_error.hangcheck_timer,
- round_jiffies_up(jiffies + DRM_I915_HANGCHECK_JIFFIES));
- }
+ i915_queue_hangcheck(dev);
}
static void gen6_pm_rps_work(struct work_struct *work)
u32 pm_iir, pm_imr;
u8 new_delay;
- spin_lock_irq(&dev_priv->rps.lock);
+ spin_lock_irq(&dev_priv->irq_lock);
pm_iir = dev_priv->rps.pm_iir;
dev_priv->rps.pm_iir = 0;
pm_imr = I915_READ(GEN6_PMIMR);
/* Make sure not to corrupt PMIMR state used by ringbuffer code */
I915_WRITE(GEN6_PMIMR, pm_imr & ~GEN6_PM_RPS_EVENTS);
- spin_unlock_irq(&dev_priv->rps.lock);
+ spin_unlock_irq(&dev_priv->irq_lock);
if ((pm_iir & GEN6_PM_RPS_EVENTS) == 0)
return;
mutex_unlock(&dev_priv->dev->struct_mutex);
- parity_event[0] = "L3_PARITY_ERROR=1";
+ parity_event[0] = I915_L3_PARITY_UEVENT "=1";
parity_event[1] = kasprintf(GFP_KERNEL, "ROW=%d", row);
parity_event[2] = kasprintf(GFP_KERNEL, "BANK=%d", bank);
parity_event[3] = kasprintf(GFP_KERNEL, "SUBBANK=%d", subbank);
kfree(parity_event[1]);
}
-static void ivybridge_handle_parity_error(struct drm_device *dev)
+static void ivybridge_parity_error_irq_handler(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- unsigned long flags;
if (!HAS_L3_GPU_CACHE(dev))
return;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
+ spin_lock(&dev_priv->irq_lock);
dev_priv->gt_irq_mask |= GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ spin_unlock(&dev_priv->irq_lock);
queue_work(dev_priv->wq, &dev_priv->l3_parity.error_work);
}
+static void ilk_gt_irq_handler(struct drm_device *dev,
+ struct drm_i915_private *dev_priv,
+ u32 gt_iir)
+{
+ if (gt_iir &
+ (GT_RENDER_USER_INTERRUPT | GT_RENDER_PIPECTL_NOTIFY_INTERRUPT))
+ notify_ring(dev, &dev_priv->ring[RCS]);
+ if (gt_iir & ILK_BSD_USER_INTERRUPT)
+ notify_ring(dev, &dev_priv->ring[VCS]);
+}
+
static void snb_gt_irq_handler(struct drm_device *dev,
struct drm_i915_private *dev_priv,
u32 gt_iir)
}
if (gt_iir & GT_RENDER_L3_PARITY_ERROR_INTERRUPT)
- ivybridge_handle_parity_error(dev);
+ ivybridge_parity_error_irq_handler(dev);
}
/* Legacy way of handling PM interrupts */
-static void gen6_queue_rps_work(struct drm_i915_private *dev_priv,
- u32 pm_iir)
+static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv,
+ u32 pm_iir)
{
- unsigned long flags;
-
/*
* IIR bits should never already be set because IMR should
* prevent an interrupt from being shown in IIR. The warning
* The mask bit in IMR is cleared by dev_priv->rps.work.
*/
- spin_lock_irqsave(&dev_priv->rps.lock, flags);
+ spin_lock(&dev_priv->irq_lock);
dev_priv->rps.pm_iir |= pm_iir;
I915_WRITE(GEN6_PMIMR, dev_priv->rps.pm_iir);
POSTING_READ(GEN6_PMIMR);
- spin_unlock_irqrestore(&dev_priv->rps.lock, flags);
+ spin_unlock(&dev_priv->irq_lock);
queue_work(dev_priv->wq, &dev_priv->rps.work);
}
spin_lock(&dev_priv->irq_lock);
for (i = 1; i < HPD_NUM_PINS; i++) {
+ WARN(((hpd[i] & hotplug_trigger) &&
+ dev_priv->hpd_stats[i].hpd_mark != HPD_ENABLED),
+ "Received HPD interrupt although disabled\n");
+
if (!(hpd[i] & hotplug_trigger) ||
dev_priv->hpd_stats[i].hpd_mark != HPD_ENABLED)
continue;
+ msecs_to_jiffies(HPD_STORM_DETECT_PERIOD))) {
dev_priv->hpd_stats[i].hpd_last_jiffies = jiffies;
dev_priv->hpd_stats[i].hpd_cnt = 0;
+ DRM_DEBUG_KMS("Received HPD interrupt on PIN %d - cnt: 0\n", i);
} else if (dev_priv->hpd_stats[i].hpd_cnt > HPD_STORM_THRESHOLD) {
dev_priv->hpd_stats[i].hpd_mark = HPD_MARK_DISABLED;
dev_priv->hpd_event_bits &= ~(1 << i);
storm_detected = true;
} else {
dev_priv->hpd_stats[i].hpd_cnt++;
+ DRM_DEBUG_KMS("Received HPD interrupt on PIN %d - cnt: %d\n", i,
+ dev_priv->hpd_stats[i].hpd_cnt);
}
}
wake_up_all(&dev_priv->gmbus_wait_queue);
}
-/* Unlike gen6_queue_rps_work() from which this function is originally derived,
+/* Unlike gen6_rps_irq_handler() from which this function is originally derived,
* we must be able to deal with other PM interrupts. This is complicated because
* of the way in which we use the masks to defer the RPS work (which for
* posterity is necessary because of forcewake).
static void hsw_pm_irq_handler(struct drm_i915_private *dev_priv,
u32 pm_iir)
{
- unsigned long flags;
-
- spin_lock_irqsave(&dev_priv->rps.lock, flags);
- dev_priv->rps.pm_iir |= pm_iir & GEN6_PM_RPS_EVENTS;
- if (dev_priv->rps.pm_iir) {
+ if (pm_iir & GEN6_PM_RPS_EVENTS) {
+ spin_lock(&dev_priv->irq_lock);
+ dev_priv->rps.pm_iir |= pm_iir & GEN6_PM_RPS_EVENTS;
I915_WRITE(GEN6_PMIMR, dev_priv->rps.pm_iir);
/* never want to mask useful interrupts. (also posting read) */
WARN_ON(I915_READ_NOTRACE(GEN6_PMIMR) & ~GEN6_PM_RPS_EVENTS);
- /* TODO: if queue_work is slow, move it out of the spinlock */
+ spin_unlock(&dev_priv->irq_lock);
+
queue_work(dev_priv->wq, &dev_priv->rps.work);
}
- spin_unlock_irqrestore(&dev_priv->rps.lock, flags);
- if (pm_iir & ~GEN6_PM_RPS_EVENTS) {
- if (pm_iir & PM_VEBOX_USER_INTERRUPT)
- notify_ring(dev_priv->dev, &dev_priv->ring[VECS]);
+ if (pm_iir & PM_VEBOX_USER_INTERRUPT)
+ notify_ring(dev_priv->dev, &dev_priv->ring[VECS]);
- if (pm_iir & PM_VEBOX_CS_ERROR_INTERRUPT) {
- DRM_ERROR("VEBOX CS error interrupt 0x%08x\n", pm_iir);
- i915_handle_error(dev_priv->dev, false);
- }
+ if (pm_iir & PM_VEBOX_CS_ERROR_INTERRUPT) {
+ DRM_ERROR("VEBOX CS error interrupt 0x%08x\n", pm_iir);
+ i915_handle_error(dev_priv->dev, false);
}
}
gmbus_irq_handler(dev);
if (pm_iir & GEN6_PM_RPS_EVENTS)
- gen6_queue_rps_work(dev_priv, pm_iir);
+ gen6_rps_irq_handler(dev_priv, pm_iir);
I915_WRITE(GTIIR, gt_iir);
I915_WRITE(GEN6_PMIIR, pm_iir);
cpt_serr_int_handler(dev);
}
-static irqreturn_t ivybridge_irq_handler(int irq, void *arg)
-{
- struct drm_device *dev = (struct drm_device *) arg;
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- u32 de_iir, gt_iir, de_ier, pm_iir, sde_ier = 0;
- irqreturn_t ret = IRQ_NONE;
- int i;
-
- atomic_inc(&dev_priv->irq_received);
-
- /* We get interrupts on unclaimed registers, so check for this before we
- * do any I915_{READ,WRITE}. */
- if (IS_HASWELL(dev) &&
- (I915_READ_NOTRACE(FPGA_DBG) & FPGA_DBG_RM_NOCLAIM)) {
- DRM_ERROR("Unclaimed register before interrupt\n");
- I915_WRITE_NOTRACE(FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
- }
-
- /* disable master interrupt before clearing iir */
- de_ier = I915_READ(DEIER);
- I915_WRITE(DEIER, de_ier & ~DE_MASTER_IRQ_CONTROL);
-
- /* Disable south interrupts. We'll only write to SDEIIR once, so further
- * interrupts will will be stored on its back queue, and then we'll be
- * able to process them after we restore SDEIER (as soon as we restore
- * it, we'll get an interrupt if SDEIIR still has something to process
- * due to its back queue). */
- if (!HAS_PCH_NOP(dev)) {
- sde_ier = I915_READ(SDEIER);
- I915_WRITE(SDEIER, 0);
- POSTING_READ(SDEIER);
- }
-
- /* On Haswell, also mask ERR_INT because we don't want to risk
- * generating "unclaimed register" interrupts from inside the interrupt
- * handler. */
- if (IS_HASWELL(dev)) {
- spin_lock(&dev_priv->irq_lock);
- ironlake_disable_display_irq(dev_priv, DE_ERR_INT_IVB);
- spin_unlock(&dev_priv->irq_lock);
- }
-
- gt_iir = I915_READ(GTIIR);
- if (gt_iir) {
- snb_gt_irq_handler(dev, dev_priv, gt_iir);
- I915_WRITE(GTIIR, gt_iir);
- ret = IRQ_HANDLED;
- }
-
- de_iir = I915_READ(DEIIR);
- if (de_iir) {
- if (de_iir & DE_ERR_INT_IVB)
- ivb_err_int_handler(dev);
-
- if (de_iir & DE_AUX_CHANNEL_A_IVB)
- dp_aux_irq_handler(dev);
-
- if (de_iir & DE_GSE_IVB)
- intel_opregion_asle_intr(dev);
-
- for (i = 0; i < 3; i++) {
- if (de_iir & (DE_PIPEA_VBLANK_IVB << (5 * i)))
- drm_handle_vblank(dev, i);
- if (de_iir & (DE_PLANEA_FLIP_DONE_IVB << (5 * i))) {
- intel_prepare_page_flip(dev, i);
- intel_finish_page_flip_plane(dev, i);
- }
- }
-
- /* check event from PCH */
- if (!HAS_PCH_NOP(dev) && (de_iir & DE_PCH_EVENT_IVB)) {
- u32 pch_iir = I915_READ(SDEIIR);
-
- cpt_irq_handler(dev, pch_iir);
-
- /* clear PCH hotplug event before clear CPU irq */
- I915_WRITE(SDEIIR, pch_iir);
- }
-
- I915_WRITE(DEIIR, de_iir);
- ret = IRQ_HANDLED;
- }
-
- pm_iir = I915_READ(GEN6_PMIIR);
- if (pm_iir) {
- if (IS_HASWELL(dev))
- hsw_pm_irq_handler(dev_priv, pm_iir);
- else if (pm_iir & GEN6_PM_RPS_EVENTS)
- gen6_queue_rps_work(dev_priv, pm_iir);
- I915_WRITE(GEN6_PMIIR, pm_iir);
- ret = IRQ_HANDLED;
- }
-
- if (IS_HASWELL(dev)) {
- spin_lock(&dev_priv->irq_lock);
- if (ivb_can_enable_err_int(dev))
- ironlake_enable_display_irq(dev_priv, DE_ERR_INT_IVB);
- spin_unlock(&dev_priv->irq_lock);
- }
-
- I915_WRITE(DEIER, de_ier);
- POSTING_READ(DEIER);
- if (!HAS_PCH_NOP(dev)) {
- I915_WRITE(SDEIER, sde_ier);
- POSTING_READ(SDEIER);
- }
-
- return ret;
-}
-
-static void ilk_gt_irq_handler(struct drm_device *dev,
- struct drm_i915_private *dev_priv,
- u32 gt_iir)
-{
- if (gt_iir &
- (GT_RENDER_USER_INTERRUPT | GT_RENDER_PIPECTL_NOTIFY_INTERRUPT))
- notify_ring(dev, &dev_priv->ring[RCS]);
- if (gt_iir & ILK_BSD_USER_INTERRUPT)
- notify_ring(dev, &dev_priv->ring[VCS]);
-}
-
-static irqreturn_t ironlake_irq_handler(int irq, void *arg)
+static void ilk_display_irq_handler(struct drm_device *dev, u32 de_iir)
{
- struct drm_device *dev = (struct drm_device *) arg;
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- int ret = IRQ_NONE;
- u32 de_iir, gt_iir, de_ier, pm_iir, sde_ier;
-
- atomic_inc(&dev_priv->irq_received);
-
- /* disable master interrupt before clearing iir */
- de_ier = I915_READ(DEIER);
- I915_WRITE(DEIER, de_ier & ~DE_MASTER_IRQ_CONTROL);
- POSTING_READ(DEIER);
-
- /* Disable south interrupts. We'll only write to SDEIIR once, so further
- * interrupts will will be stored on its back queue, and then we'll be
- * able to process them after we restore SDEIER (as soon as we restore
- * it, we'll get an interrupt if SDEIIR still has something to process
- * due to its back queue). */
- sde_ier = I915_READ(SDEIER);
- I915_WRITE(SDEIER, 0);
- POSTING_READ(SDEIER);
-
- de_iir = I915_READ(DEIIR);
- gt_iir = I915_READ(GTIIR);
- pm_iir = I915_READ(GEN6_PMIIR);
-
- if (de_iir == 0 && gt_iir == 0 && (!IS_GEN6(dev) || pm_iir == 0))
- goto done;
-
- ret = IRQ_HANDLED;
-
- if (IS_GEN5(dev))
- ilk_gt_irq_handler(dev, dev_priv, gt_iir);
- else
- snb_gt_irq_handler(dev, dev_priv, gt_iir);
+ struct drm_i915_private *dev_priv = dev->dev_private;
if (de_iir & DE_AUX_CHANNEL_A)
dp_aux_irq_handler(dev);
I915_WRITE(SDEIIR, pch_iir);
}
- if (IS_GEN5(dev) && de_iir & DE_PCU_EVENT)
- ironlake_handle_rps_change(dev);
-
- if (IS_GEN6(dev) && pm_iir & GEN6_PM_RPS_EVENTS)
- gen6_queue_rps_work(dev_priv, pm_iir);
-
- I915_WRITE(GTIIR, gt_iir);
- I915_WRITE(DEIIR, de_iir);
- I915_WRITE(GEN6_PMIIR, pm_iir);
-
-done:
- I915_WRITE(DEIER, de_ier);
- POSTING_READ(DEIER);
- I915_WRITE(SDEIER, sde_ier);
- POSTING_READ(SDEIER);
-
- return ret;
+ if (IS_GEN5(dev) && de_iir & DE_PCU_EVENT)
+ ironlake_rps_change_irq_handler(dev);
}
-/**
- * i915_error_work_func - do process context error handling work
- * @work: work struct
- *
- * Fire an error uevent so userspace can see that a hang or error
- * was detected.
- */
-static void i915_error_work_func(struct work_struct *work)
-{
- struct i915_gpu_error *error = container_of(work, struct i915_gpu_error,
- work);
- drm_i915_private_t *dev_priv = container_of(error, drm_i915_private_t,
- gpu_error);
- struct drm_device *dev = dev_priv->dev;
- struct intel_ring_buffer *ring;
- char *error_event[] = { "ERROR=1", NULL };
- char *reset_event[] = { "RESET=1", NULL };
- char *reset_done_event[] = { "ERROR=0", NULL };
- int i, ret;
-
- kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, error_event);
-
- /*
- * Note that there's only one work item which does gpu resets, so we
- * need not worry about concurrent gpu resets potentially incrementing
- * error->reset_counter twice. We only need to take care of another
- * racing irq/hangcheck declaring the gpu dead for a second time. A
- * quick check for that is good enough: schedule_work ensures the
- * correct ordering between hang detection and this work item, and since
- * the reset in-progress bit is only ever set by code outside of this
- * work we don't need to worry about any other races.
- */
- if (i915_reset_in_progress(error) && !i915_terminally_wedged(error)) {
- DRM_DEBUG_DRIVER("resetting chip\n");
- kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE,
- reset_event);
-
- ret = i915_reset(dev);
-
- if (ret == 0) {
- /*
- * After all the gem state is reset, increment the reset
- * counter and wake up everyone waiting for the reset to
- * complete.
- *
- * Since unlock operations are a one-sided barrier only,
- * we need to insert a barrier here to order any seqno
- * updates before
- * the counter increment.
- */
- smp_mb__before_atomic_inc();
- atomic_inc(&dev_priv->gpu_error.reset_counter);
-
- kobject_uevent_env(&dev->primary->kdev.kobj,
- KOBJ_CHANGE, reset_done_event);
- } else {
- atomic_set(&error->reset_counter, I915_WEDGED);
- }
-
- for_each_ring(ring, dev_priv, i)
- wake_up_all(&ring->irq_queue);
-
- intel_display_handle_reset(dev);
-
- wake_up_all(&dev_priv->gpu_error.reset_queue);
- }
-}
-
-/* NB: please notice the memset */
-static void i915_get_extra_instdone(struct drm_device *dev,
- uint32_t *instdone)
+static void ivb_display_irq_handler(struct drm_device *dev, u32 de_iir)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- memset(instdone, 0, sizeof(*instdone) * I915_NUM_INSTDONE_REG);
-
- switch(INTEL_INFO(dev)->gen) {
- case 2:
- case 3:
- instdone[0] = I915_READ(INSTDONE);
- break;
- case 4:
- case 5:
- case 6:
- instdone[0] = I915_READ(INSTDONE_I965);
- instdone[1] = I915_READ(INSTDONE1);
- break;
- default:
- WARN_ONCE(1, "Unsupported platform\n");
- case 7:
- instdone[0] = I915_READ(GEN7_INSTDONE_1);
- instdone[1] = I915_READ(GEN7_SC_INSTDONE);
- instdone[2] = I915_READ(GEN7_SAMPLER_INSTDONE);
- instdone[3] = I915_READ(GEN7_ROW_INSTDONE);
- break;
- }
-}
-
-#ifdef CONFIG_DEBUG_FS
-static struct drm_i915_error_object *
-i915_error_object_create_sized(struct drm_i915_private *dev_priv,
- struct drm_i915_gem_object *src,
- const int num_pages)
-{
- struct drm_i915_error_object *dst;
int i;
- u32 reloc_offset;
-
- if (src == NULL || src->pages == NULL)
- return NULL;
-
- dst = kmalloc(sizeof(*dst) + num_pages * sizeof(u32 *), GFP_ATOMIC);
- if (dst == NULL)
- return NULL;
-
- reloc_offset = src->gtt_offset;
- for (i = 0; i < num_pages; i++) {
- unsigned long flags;
- void *d;
-
- d = kmalloc(PAGE_SIZE, GFP_ATOMIC);
- if (d == NULL)
- goto unwind;
-
- local_irq_save(flags);
- if (reloc_offset < dev_priv->gtt.mappable_end &&
- src->has_global_gtt_mapping) {
- void __iomem *s;
-
- /* Simply ignore tiling or any overlapping fence.
- * It's part of the error state, and this hopefully
- * captures what the GPU read.
- */
-
- s = io_mapping_map_atomic_wc(dev_priv->gtt.mappable,
- reloc_offset);
- memcpy_fromio(d, s, PAGE_SIZE);
- io_mapping_unmap_atomic(s);
- } else if (src->stolen) {
- unsigned long offset;
-
- offset = dev_priv->mm.stolen_base;
- offset += src->stolen->start;
- offset += i << PAGE_SHIFT;
-
- memcpy_fromio(d, (void __iomem *) offset, PAGE_SIZE);
- } else {
- struct page *page;
- void *s;
- page = i915_gem_object_get_page(src, i);
+ if (de_iir & DE_ERR_INT_IVB)
+ ivb_err_int_handler(dev);
- drm_clflush_pages(&page, 1);
+ if (de_iir & DE_AUX_CHANNEL_A_IVB)
+ dp_aux_irq_handler(dev);
- s = kmap_atomic(page);
- memcpy(d, s, PAGE_SIZE);
- kunmap_atomic(s);
+ if (de_iir & DE_GSE_IVB)
+ intel_opregion_asle_intr(dev);
- drm_clflush_pages(&page, 1);
+ for (i = 0; i < 3; i++) {
+ if (de_iir & (DE_PIPEA_VBLANK_IVB << (5 * i)))
+ drm_handle_vblank(dev, i);
+ if (de_iir & (DE_PLANEA_FLIP_DONE_IVB << (5 * i))) {
+ intel_prepare_page_flip(dev, i);
+ intel_finish_page_flip_plane(dev, i);
}
- local_irq_restore(flags);
-
- dst->pages[i] = d;
-
- reloc_offset += PAGE_SIZE;
- }
- dst->page_count = num_pages;
- dst->gtt_offset = src->gtt_offset;
-
- return dst;
-
-unwind:
- while (i--)
- kfree(dst->pages[i]);
- kfree(dst);
- return NULL;
-}
-#define i915_error_object_create(dev_priv, src) \
- i915_error_object_create_sized((dev_priv), (src), \
- (src)->base.size>>PAGE_SHIFT)
-
-static void
-i915_error_object_free(struct drm_i915_error_object *obj)
-{
- int page;
-
- if (obj == NULL)
- return;
-
- for (page = 0; page < obj->page_count; page++)
- kfree(obj->pages[page]);
-
- kfree(obj);
-}
-
-void
-i915_error_state_free(struct kref *error_ref)
-{
- struct drm_i915_error_state *error = container_of(error_ref,
- typeof(*error), ref);
- int i;
-
- 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].ctx);
- kfree(error->ring[i].requests);
- }
-
- kfree(error->active_bo);
- kfree(error->overlay);
- kfree(error->display);
- kfree(error);
-}
-static void capture_bo(struct drm_i915_error_buffer *err,
- struct drm_i915_gem_object *obj)
-{
- err->size = obj->base.size;
- err->name = obj->base.name;
- err->rseqno = obj->last_read_seqno;
- err->wseqno = obj->last_write_seqno;
- err->gtt_offset = obj->gtt_offset;
- err->read_domains = obj->base.read_domains;
- err->write_domain = obj->base.write_domain;
- err->fence_reg = obj->fence_reg;
- err->pinned = 0;
- if (obj->pin_count > 0)
- err->pinned = 1;
- if (obj->user_pin_count > 0)
- err->pinned = -1;
- err->tiling = obj->tiling_mode;
- err->dirty = obj->dirty;
- err->purgeable = obj->madv != I915_MADV_WILLNEED;
- err->ring = obj->ring ? obj->ring->id : -1;
- err->cache_level = obj->cache_level;
-}
-
-static u32 capture_active_bo(struct drm_i915_error_buffer *err,
- int count, struct list_head *head)
-{
- struct drm_i915_gem_object *obj;
- int i = 0;
-
- list_for_each_entry(obj, head, mm_list) {
- capture_bo(err++, obj);
- if (++i == count)
- break;
}
- return i;
-}
-
-static u32 capture_pinned_bo(struct drm_i915_error_buffer *err,
- int count, struct list_head *head)
-{
- struct drm_i915_gem_object *obj;
- int i = 0;
-
- list_for_each_entry(obj, head, global_list) {
- if (obj->pin_count == 0)
- continue;
-
- capture_bo(err++, obj);
- if (++i == count)
- break;
- }
-
- return i;
-}
-
-static void i915_gem_record_fences(struct drm_device *dev,
- struct drm_i915_error_state *error)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int i;
-
- /* Fences */
- switch (INTEL_INFO(dev)->gen) {
- case 7:
- case 6:
- for (i = 0; i < dev_priv->num_fence_regs; i++)
- error->fence[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
- break;
- case 5:
- case 4:
- for (i = 0; i < 16; i++)
- error->fence[i] = I915_READ64(FENCE_REG_965_0 + (i * 8));
- break;
- case 3:
- if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
- for (i = 0; i < 8; i++)
- error->fence[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4));
- case 2:
- for (i = 0; i < 8; i++)
- error->fence[i] = I915_READ(FENCE_REG_830_0 + (i * 4));
- break;
-
- default:
- BUG();
- }
-}
-
-static struct drm_i915_error_object *
-i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
- struct intel_ring_buffer *ring)
-{
- struct drm_i915_gem_object *obj;
- u32 seqno;
-
- if (!ring->get_seqno)
- return NULL;
-
- if (HAS_BROKEN_CS_TLB(dev_priv->dev)) {
- u32 acthd = I915_READ(ACTHD);
-
- if (WARN_ON(ring->id != RCS))
- return NULL;
-
- obj = ring->private;
- if (acthd >= obj->gtt_offset &&
- acthd < obj->gtt_offset + obj->base.size)
- return i915_error_object_create(dev_priv, obj);
- }
-
- seqno = ring->get_seqno(ring, false);
- list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list) {
- if (obj->ring != ring)
- continue;
-
- if (i915_seqno_passed(seqno, obj->last_read_seqno))
- continue;
+ /* check event from PCH */
+ if (!HAS_PCH_NOP(dev) && (de_iir & DE_PCH_EVENT_IVB)) {
+ u32 pch_iir = I915_READ(SDEIIR);
- if ((obj->base.read_domains & I915_GEM_DOMAIN_COMMAND) == 0)
- continue;
+ cpt_irq_handler(dev, pch_iir);
- /* 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);
+ /* clear PCH hotplug event before clear CPU irq */
+ I915_WRITE(SDEIIR, pch_iir);
}
-
- return NULL;
}
-static void i915_record_ring_state(struct drm_device *dev,
- struct drm_i915_error_state *error,
- struct intel_ring_buffer *ring)
+static irqreturn_t ironlake_irq_handler(int irq, void *arg)
{
- 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]
- = I915_READ(RING_SYNC_0(ring->mmio_base));
- error->semaphore_mboxes[ring->id][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];
- }
-
- 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);
- } 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);
- }
-
- 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);
-
- error->cpu_ring_head[ring->id] = ring->head;
- error->cpu_ring_tail[ring->id] = ring->tail;
-}
+ struct drm_device *dev = (struct drm_device *) arg;
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ u32 de_iir, gt_iir, de_ier, sde_ier = 0;
+ irqreturn_t ret = IRQ_NONE;
+ atomic_inc(&dev_priv->irq_received);
-static void i915_gem_record_active_context(struct intel_ring_buffer *ring,
- struct drm_i915_error_state *error,
- struct drm_i915_error_ring *ering)
-{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
- struct drm_i915_gem_object *obj;
+ /* We get interrupts on unclaimed registers, so check for this before we
+ * do any I915_{READ,WRITE}. */
+ intel_uncore_check_errors(dev);
- /* Currently render ring is the only HW context user */
- if (ring->id != RCS || !error->ccid)
- return;
+ /* disable master interrupt before clearing iir */
+ de_ier = I915_READ(DEIER);
+ I915_WRITE(DEIER, de_ier & ~DE_MASTER_IRQ_CONTROL);
+ POSTING_READ(DEIER);
- list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
- if ((error->ccid & PAGE_MASK) == obj->gtt_offset) {
- ering->ctx = i915_error_object_create_sized(dev_priv,
- obj, 1);
- }
+ /* Disable south interrupts. We'll only write to SDEIIR once, so further
+ * interrupts will will be stored on its back queue, and then we'll be
+ * able to process them after we restore SDEIER (as soon as we restore
+ * it, we'll get an interrupt if SDEIIR still has something to process
+ * due to its back queue). */
+ if (!HAS_PCH_NOP(dev)) {
+ sde_ier = I915_READ(SDEIER);
+ I915_WRITE(SDEIER, 0);
+ POSTING_READ(SDEIER);
}
-}
-
-static void i915_gem_record_rings(struct drm_device *dev,
- 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);
-
- error->ring[i].batchbuffer =
- i915_error_first_batchbuffer(dev_priv, ring);
-
- error->ring[i].ringbuffer =
- i915_error_object_create(dev_priv, ring->obj);
+ /* On Haswell, also mask ERR_INT because we don't want to risk
+ * generating "unclaimed register" interrupts from inside the interrupt
+ * handler. */
+ if (IS_HASWELL(dev)) {
+ spin_lock(&dev_priv->irq_lock);
+ ironlake_disable_display_irq(dev_priv, DE_ERR_INT_IVB);
+ spin_unlock(&dev_priv->irq_lock);
+ }
- i915_gem_record_active_context(ring, error, &error->ring[i]);
+ gt_iir = I915_READ(GTIIR);
+ if (gt_iir) {
+ if (INTEL_INFO(dev)->gen >= 6)
+ snb_gt_irq_handler(dev, dev_priv, gt_iir);
+ else
+ ilk_gt_irq_handler(dev, dev_priv, gt_iir);
+ I915_WRITE(GTIIR, gt_iir);
+ ret = IRQ_HANDLED;
+ }
- count = 0;
- list_for_each_entry(request, &ring->request_list, list)
- count++;
+ de_iir = I915_READ(DEIIR);
+ if (de_iir) {
+ if (INTEL_INFO(dev)->gen >= 7)
+ ivb_display_irq_handler(dev, de_iir);
+ else
+ ilk_display_irq_handler(dev, de_iir);
+ I915_WRITE(DEIIR, de_iir);
+ ret = IRQ_HANDLED;
+ }
- error->ring[i].num_requests = count;
- error->ring[i].requests =
- kmalloc(count*sizeof(struct drm_i915_error_request),
- GFP_ATOMIC);
- if (error->ring[i].requests == NULL) {
- error->ring[i].num_requests = 0;
- continue;
+ if (INTEL_INFO(dev)->gen >= 6) {
+ u32 pm_iir = I915_READ(GEN6_PMIIR);
+ if (pm_iir) {
+ if (IS_HASWELL(dev))
+ hsw_pm_irq_handler(dev_priv, pm_iir);
+ else if (pm_iir & GEN6_PM_RPS_EVENTS)
+ gen6_rps_irq_handler(dev_priv, pm_iir);
+ I915_WRITE(GEN6_PMIIR, pm_iir);
+ ret = IRQ_HANDLED;
}
+ }
- count = 0;
- list_for_each_entry(request, &ring->request_list, list) {
- struct drm_i915_error_request *erq;
+ if (IS_HASWELL(dev)) {
+ spin_lock(&dev_priv->irq_lock);
+ if (ivb_can_enable_err_int(dev))
+ ironlake_enable_display_irq(dev_priv, DE_ERR_INT_IVB);
+ spin_unlock(&dev_priv->irq_lock);
+ }
- erq = &error->ring[i].requests[count++];
- erq->seqno = request->seqno;
- erq->jiffies = request->emitted_jiffies;
- erq->tail = request->tail;
- }
+ I915_WRITE(DEIER, de_ier);
+ POSTING_READ(DEIER);
+ if (!HAS_PCH_NOP(dev)) {
+ I915_WRITE(SDEIER, sde_ier);
+ POSTING_READ(SDEIER);
}
+
+ return ret;
}
/**
- * i915_capture_error_state - capture an error record for later analysis
- * @dev: drm device
+ * i915_error_work_func - do process context error handling work
+ * @work: work struct
*
- * Should be called when an error is detected (either a hang or an error
- * interrupt) to capture error state from the time of the error. Fills
- * out a structure which becomes available in debugfs for user level tools
- * to pick up.
+ * Fire an error uevent so userspace can see that a hang or error
+ * was detected.
*/
-static void i915_capture_error_state(struct drm_device *dev)
+static void i915_error_work_func(struct work_struct *work)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_gem_object *obj;
- struct drm_i915_error_state *error;
- unsigned long flags;
- int i, pipe;
-
- spin_lock_irqsave(&dev_priv->gpu_error.lock, flags);
- error = dev_priv->gpu_error.first_error;
- spin_unlock_irqrestore(&dev_priv->gpu_error.lock, flags);
- if (error)
- return;
-
- /* Account for pipe specific data like PIPE*STAT */
- error = kzalloc(sizeof(*error), GFP_ATOMIC);
- if (!error) {
- DRM_DEBUG_DRIVER("out of memory, not capturing error state\n");
- return;
- }
-
- DRM_INFO("capturing error event; look for more information in "
- "/sys/kernel/debug/dri/%d/i915_error_state\n",
- dev->primary->index);
-
- 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 (INTEL_INFO(dev)->gen == 7)
- error->err_int = I915_READ(GEN7_ERR_INT);
-
- i915_get_extra_instdone(dev, error->extra_instdone);
-
- i915_gem_record_fences(dev, error);
- i915_gem_record_rings(dev, error);
+ struct i915_gpu_error *error = container_of(work, struct i915_gpu_error,
+ work);
+ drm_i915_private_t *dev_priv = container_of(error, drm_i915_private_t,
+ gpu_error);
+ struct drm_device *dev = dev_priv->dev;
+ struct intel_ring_buffer *ring;
+ char *error_event[] = { I915_ERROR_UEVENT "=1", NULL };
+ char *reset_event[] = { I915_RESET_UEVENT "=1", NULL };
+ char *reset_done_event[] = { I915_ERROR_UEVENT "=0", NULL };
+ int i, ret;
- /* Record buffers on the active and pinned lists. */
- error->active_bo = NULL;
- error->pinned_bo = NULL;
+ kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, error_event);
- i = 0;
- list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list)
- i++;
- error->active_bo_count = i;
- list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list)
- if (obj->pin_count)
- i++;
- error->pinned_bo_count = i - error->active_bo_count;
+ /*
+ * Note that there's only one work item which does gpu resets, so we
+ * need not worry about concurrent gpu resets potentially incrementing
+ * error->reset_counter twice. We only need to take care of another
+ * racing irq/hangcheck declaring the gpu dead for a second time. A
+ * quick check for that is good enough: schedule_work ensures the
+ * correct ordering between hang detection and this work item, and since
+ * the reset in-progress bit is only ever set by code outside of this
+ * work we don't need to worry about any other races.
+ */
+ if (i915_reset_in_progress(error) && !i915_terminally_wedged(error)) {
+ DRM_DEBUG_DRIVER("resetting chip\n");
+ kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE,
+ reset_event);
- error->active_bo = NULL;
- error->pinned_bo = NULL;
- if (i) {
- error->active_bo = kmalloc(sizeof(*error->active_bo)*i,
- GFP_ATOMIC);
- if (error->active_bo)
- error->pinned_bo =
- error->active_bo + error->active_bo_count;
- }
+ ret = i915_reset(dev);
- if (error->active_bo)
- error->active_bo_count =
- capture_active_bo(error->active_bo,
- error->active_bo_count,
- &dev_priv->mm.active_list);
+ if (ret == 0) {
+ /*
+ * After all the gem state is reset, increment the reset
+ * counter and wake up everyone waiting for the reset to
+ * complete.
+ *
+ * Since unlock operations are a one-sided barrier only,
+ * we need to insert a barrier here to order any seqno
+ * updates before
+ * the counter increment.
+ */
+ smp_mb__before_atomic_inc();
+ atomic_inc(&dev_priv->gpu_error.reset_counter);
- if (error->pinned_bo)
- error->pinned_bo_count =
- capture_pinned_bo(error->pinned_bo,
- error->pinned_bo_count,
- &dev_priv->mm.bound_list);
+ kobject_uevent_env(&dev->primary->kdev.kobj,
+ KOBJ_CHANGE, reset_done_event);
+ } else {
+ atomic_set(&error->reset_counter, I915_WEDGED);
+ }
- do_gettimeofday(&error->time);
+ for_each_ring(ring, dev_priv, i)
+ wake_up_all(&ring->irq_queue);
- error->overlay = intel_overlay_capture_error_state(dev);
- error->display = intel_display_capture_error_state(dev);
+ intel_display_handle_reset(dev);
- spin_lock_irqsave(&dev_priv->gpu_error.lock, flags);
- if (dev_priv->gpu_error.first_error == NULL) {
- dev_priv->gpu_error.first_error = error;
- error = NULL;
+ wake_up_all(&dev_priv->gpu_error.reset_queue);
}
- spin_unlock_irqrestore(&dev_priv->gpu_error.lock, flags);
-
- if (error)
- i915_error_state_free(&error->ref);
-}
-
-void i915_destroy_error_state(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_error_state *error;
- unsigned long flags;
-
- spin_lock_irqsave(&dev_priv->gpu_error.lock, flags);
- error = dev_priv->gpu_error.first_error;
- dev_priv->gpu_error.first_error = NULL;
- spin_unlock_irqrestore(&dev_priv->gpu_error.lock, flags);
-
- if (error)
- kref_put(&error->ref, i915_error_state_free);
}
-#else
-#define i915_capture_error_state(x)
-#endif
static void i915_report_and_clear_eir(struct drm_device *dev)
{
if (INTEL_INFO(dev)->gen >= 4) {
int dspsurf = DSPSURF(intel_crtc->plane);
stall_detected = I915_HI_DISPBASE(I915_READ(dspsurf)) ==
- obj->gtt_offset;
+ i915_gem_obj_ggtt_offset(obj);
} else {
int dspaddr = DSPADDR(intel_crtc->plane);
- stall_detected = I915_READ(dspaddr) == (obj->gtt_offset +
+ stall_detected = I915_READ(dspaddr) == (i915_gem_obj_ggtt_offset(obj) +
crtc->y * crtc->fb->pitches[0] +
crtc->x * crtc->fb->bits_per_pixel/8);
}
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
unsigned long irqflags;
+ uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) :
+ DE_PIPE_VBLANK_ILK(pipe);
if (!i915_pipe_enabled(dev, pipe))
return -EINVAL;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
- ironlake_enable_display_irq(dev_priv, (pipe == 0) ?
- DE_PIPEA_VBLANK : DE_PIPEB_VBLANK);
- spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
-
- return 0;
-}
-
-static int ivybridge_enable_vblank(struct drm_device *dev, int pipe)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- unsigned long irqflags;
-
- if (!i915_pipe_enabled(dev, pipe))
- return -EINVAL;
-
- spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
- ironlake_enable_display_irq(dev_priv,
- DE_PIPEA_VBLANK_IVB << (5 * pipe));
+ ironlake_enable_display_irq(dev_priv, bit);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
return 0;
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
unsigned long irqflags;
+ uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) :
+ DE_PIPE_VBLANK_ILK(pipe);
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
- ironlake_disable_display_irq(dev_priv, (pipe == 0) ?
- DE_PIPEA_VBLANK : DE_PIPEB_VBLANK);
- spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
-}
-
-static void ivybridge_disable_vblank(struct drm_device *dev, int pipe)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- unsigned long irqflags;
-
- spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
- ironlake_disable_display_irq(dev_priv,
- DE_PIPEA_VBLANK_IVB << (pipe * 5));
+ ironlake_disable_display_irq(dev_priv, bit);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
u32 tmp;
if (ring->hangcheck.acthd != acthd)
- return active;
+ return HANGCHECK_ACTIVE;
if (IS_GEN2(dev))
- return hung;
+ return HANGCHECK_HUNG;
/* Is the chip hanging on a WAIT_FOR_EVENT?
* If so we can simply poke the RB_WAIT bit
DRM_ERROR("Kicking stuck wait on %s\n",
ring->name);
I915_WRITE_CTL(ring, tmp);
- return kick;
+ return HANGCHECK_KICK;
}
if (INTEL_INFO(dev)->gen >= 6 && tmp & RING_WAIT_SEMAPHORE) {
switch (semaphore_passed(ring)) {
default:
- return hung;
+ return HANGCHECK_HUNG;
case 1:
DRM_ERROR("Kicking stuck semaphore on %s\n",
ring->name);
I915_WRITE_CTL(ring, tmp);
- return kick;
+ return HANGCHECK_KICK;
case 0:
- return wait;
+ return HANGCHECK_WAIT;
}
}
- return hung;
+ return HANGCHECK_HUNG;
}
/**
* we kick the ring. If we see no progress on three subsequent calls
* we assume chip is wedged and try to fix it by resetting the chip.
*/
-void i915_hangcheck_elapsed(unsigned long data)
+static void i915_hangcheck_elapsed(unsigned long data)
{
struct drm_device *dev = (struct drm_device *)data;
drm_i915_private_t *dev_priv = dev->dev_private;
} else
busy = false;
} else {
- int score;
-
/* We always increment the hangcheck score
* if the ring is busy and still processing
* the same request, so that no single request
acthd);
switch (ring->hangcheck.action) {
- case wait:
- score = 0;
+ case HANGCHECK_WAIT:
break;
- case active:
- score = BUSY;
+ case HANGCHECK_ACTIVE:
+ ring->hangcheck.score += BUSY;
break;
- case kick:
- score = KICK;
+ case HANGCHECK_KICK:
+ ring->hangcheck.score += KICK;
break;
- case hung:
- score = HUNG;
+ case HANGCHECK_HUNG:
+ ring->hangcheck.score += HUNG;
stuck[i] = true;
break;
}
- ring->hangcheck.score += score;
}
} else {
/* Gradually reduce the count so that we catch DoS
if (busy_count)
/* Reset timer case chip hangs without another request
* being added */
- mod_timer(&dev_priv->gpu_error.hangcheck_timer,
- round_jiffies_up(jiffies +
- DRM_I915_HANGCHECK_JIFFIES));
+ i915_queue_hangcheck(dev);
+}
+
+void i915_queue_hangcheck(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ if (!i915_enable_hangcheck)
+ return;
+
+ mod_timer(&dev_priv->gpu_error.hangcheck_timer,
+ round_jiffies_up(jiffies + DRM_I915_HANGCHECK_JIFFIES));
}
static void ibx_irq_preinstall(struct drm_device *dev)
POSTING_READ(SDEIER);
}
-/* drm_dma.h hooks
-*/
-static void ironlake_irq_preinstall(struct drm_device *dev)
+static void gen5_gt_irq_preinstall(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-
- atomic_set(&dev_priv->irq_received, 0);
-
- I915_WRITE(HWSTAM, 0xeffe);
-
- /* XXX hotplug from PCH */
-
- I915_WRITE(DEIMR, 0xffffffff);
- I915_WRITE(DEIER, 0x0);
- POSTING_READ(DEIER);
+ struct drm_i915_private *dev_priv = dev->dev_private;
/* and GT */
I915_WRITE(GTIMR, 0xffffffff);
I915_WRITE(GTIER, 0x0);
POSTING_READ(GTIER);
- ibx_irq_preinstall(dev);
+ if (INTEL_INFO(dev)->gen >= 6) {
+ /* and PM */
+ I915_WRITE(GEN6_PMIMR, 0xffffffff);
+ I915_WRITE(GEN6_PMIER, 0x0);
+ POSTING_READ(GEN6_PMIER);
+ }
}
-static void ivybridge_irq_preinstall(struct drm_device *dev)
+/* drm_dma.h hooks
+*/
+static void ironlake_irq_preinstall(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
I915_WRITE(HWSTAM, 0xeffe);
- /* XXX hotplug from PCH */
-
I915_WRITE(DEIMR, 0xffffffff);
I915_WRITE(DEIER, 0x0);
POSTING_READ(DEIER);
- /* and GT */
- I915_WRITE(GTIMR, 0xffffffff);
- I915_WRITE(GTIER, 0x0);
- POSTING_READ(GTIER);
-
- /* Power management */
- I915_WRITE(GEN6_PMIMR, 0xffffffff);
- I915_WRITE(GEN6_PMIER, 0x0);
- POSTING_READ(GEN6_PMIER);
+ gen5_gt_irq_preinstall(dev);
ibx_irq_preinstall(dev);
}
/* and GT */
I915_WRITE(GTIIR, I915_READ(GTIIR));
I915_WRITE(GTIIR, I915_READ(GTIIR));
- I915_WRITE(GTIMR, 0xffffffff);
- I915_WRITE(GTIER, 0x0);
- POSTING_READ(GTIER);
+
+ gen5_gt_irq_preinstall(dev);
I915_WRITE(DPINVGTT, 0xff);
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
struct drm_mode_config *mode_config = &dev->mode_config;
struct intel_encoder *intel_encoder;
- u32 mask = ~I915_READ(SDEIMR);
- u32 hotplug;
+ u32 hotplug_irqs, hotplug, enabled_irqs = 0;
if (HAS_PCH_IBX(dev)) {
- mask &= ~SDE_HOTPLUG_MASK;
+ hotplug_irqs = SDE_HOTPLUG_MASK;
list_for_each_entry(intel_encoder, &mode_config->encoder_list, base.head)
if (dev_priv->hpd_stats[intel_encoder->hpd_pin].hpd_mark == HPD_ENABLED)
- mask |= hpd_ibx[intel_encoder->hpd_pin];
+ enabled_irqs |= hpd_ibx[intel_encoder->hpd_pin];
} else {
- mask &= ~SDE_HOTPLUG_MASK_CPT;
+ hotplug_irqs = SDE_HOTPLUG_MASK_CPT;
list_for_each_entry(intel_encoder, &mode_config->encoder_list, base.head)
if (dev_priv->hpd_stats[intel_encoder->hpd_pin].hpd_mark == HPD_ENABLED)
- mask |= hpd_cpt[intel_encoder->hpd_pin];
+ enabled_irqs |= hpd_cpt[intel_encoder->hpd_pin];
}
- I915_WRITE(SDEIMR, ~mask);
+ ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs);
/*
* Enable digital hotplug on the PCH, and configure the DP short pulse
I915_WRITE(SDEIMR, ~mask);
}
-static int ironlake_irq_postinstall(struct drm_device *dev)
+static void gen5_gt_irq_postinstall(struct drm_device *dev)
{
- unsigned long irqflags;
-
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- /* enable kind of interrupts always enabled */
- u32 display_mask = DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
- DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE |
- DE_AUX_CHANNEL_A | DE_PIPEB_FIFO_UNDERRUN |
- DE_PIPEA_FIFO_UNDERRUN | DE_POISON;
- u32 gt_irqs;
-
- dev_priv->irq_mask = ~display_mask;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pm_irqs, gt_irqs;
- /* should always can generate irq */
- I915_WRITE(DEIIR, I915_READ(DEIIR));
- I915_WRITE(DEIMR, dev_priv->irq_mask);
- I915_WRITE(DEIER, display_mask |
- DE_PIPEA_VBLANK | DE_PIPEB_VBLANK | DE_PCU_EVENT);
- POSTING_READ(DEIER);
+ pm_irqs = gt_irqs = 0;
dev_priv->gt_irq_mask = ~0;
+ if (HAS_L3_GPU_CACHE(dev)) {
+ /* L3 parity interrupt is always unmasked. */
+ dev_priv->gt_irq_mask = ~GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
+ gt_irqs |= GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
+ }
- I915_WRITE(GTIIR, I915_READ(GTIIR));
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
-
- gt_irqs = GT_RENDER_USER_INTERRUPT;
-
- if (IS_GEN6(dev))
- gt_irqs |= GT_BLT_USER_INTERRUPT | GT_BSD_USER_INTERRUPT;
- else
+ gt_irqs |= GT_RENDER_USER_INTERRUPT;
+ if (IS_GEN5(dev)) {
gt_irqs |= GT_RENDER_PIPECTL_NOTIFY_INTERRUPT |
ILK_BSD_USER_INTERRUPT;
+ } else {
+ gt_irqs |= GT_BLT_USER_INTERRUPT | GT_BSD_USER_INTERRUPT;
+ }
+ I915_WRITE(GTIIR, I915_READ(GTIIR));
+ I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
I915_WRITE(GTIER, gt_irqs);
POSTING_READ(GTIER);
- ibx_irq_postinstall(dev);
+ if (INTEL_INFO(dev)->gen >= 6) {
+ pm_irqs |= GEN6_PM_RPS_EVENTS;
- if (IS_IRONLAKE_M(dev)) {
- /* Enable PCU event interrupts
- *
- * spinlocking not required here for correctness since interrupt
- * setup is guaranteed to run in single-threaded context. But we
- * need it to make the assert_spin_locked happy. */
- spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
- ironlake_enable_display_irq(dev_priv, DE_PCU_EVENT);
- spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
- }
+ if (HAS_VEBOX(dev))
+ pm_irqs |= PM_VEBOX_USER_INTERRUPT;
- return 0;
+ I915_WRITE(GEN6_PMIIR, I915_READ(GEN6_PMIIR));
+ I915_WRITE(GEN6_PMIMR, 0xffffffff);
+ I915_WRITE(GEN6_PMIER, pm_irqs);
+ POSTING_READ(GEN6_PMIER);
+ }
}
-static int ivybridge_irq_postinstall(struct drm_device *dev)
+static int ironlake_irq_postinstall(struct drm_device *dev)
{
+ unsigned long irqflags;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- /* enable kind of interrupts always enabled */
- u32 display_mask =
- DE_MASTER_IRQ_CONTROL | DE_GSE_IVB | DE_PCH_EVENT_IVB |
- DE_PLANEC_FLIP_DONE_IVB |
- DE_PLANEB_FLIP_DONE_IVB |
- DE_PLANEA_FLIP_DONE_IVB |
- DE_AUX_CHANNEL_A_IVB |
- DE_ERR_INT_IVB;
- u32 pm_irqs = GEN6_PM_RPS_EVENTS;
- u32 gt_irqs;
+ u32 display_mask, extra_mask;
+
+ if (INTEL_INFO(dev)->gen >= 7) {
+ display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE_IVB |
+ DE_PCH_EVENT_IVB | DE_PLANEC_FLIP_DONE_IVB |
+ DE_PLANEB_FLIP_DONE_IVB |
+ DE_PLANEA_FLIP_DONE_IVB | DE_AUX_CHANNEL_A_IVB |
+ DE_ERR_INT_IVB);
+ extra_mask = (DE_PIPEC_VBLANK_IVB | DE_PIPEB_VBLANK_IVB |
+ DE_PIPEA_VBLANK_IVB);
+
+ I915_WRITE(GEN7_ERR_INT, I915_READ(GEN7_ERR_INT));
+ } else {
+ display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
+ DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE |
+ DE_AUX_CHANNEL_A | DE_PIPEB_FIFO_UNDERRUN |
+ DE_PIPEA_FIFO_UNDERRUN | DE_POISON);
+ extra_mask = DE_PIPEA_VBLANK | DE_PIPEB_VBLANK | DE_PCU_EVENT;
+ }
dev_priv->irq_mask = ~display_mask;
/* should always can generate irq */
- I915_WRITE(GEN7_ERR_INT, I915_READ(GEN7_ERR_INT));
I915_WRITE(DEIIR, I915_READ(DEIIR));
I915_WRITE(DEIMR, dev_priv->irq_mask);
- I915_WRITE(DEIER,
- display_mask |
- DE_PIPEC_VBLANK_IVB |
- DE_PIPEB_VBLANK_IVB |
- DE_PIPEA_VBLANK_IVB);
+ I915_WRITE(DEIER, display_mask | extra_mask);
POSTING_READ(DEIER);
- dev_priv->gt_irq_mask = ~GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
-
- I915_WRITE(GTIIR, I915_READ(GTIIR));
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
-
- gt_irqs = GT_RENDER_USER_INTERRUPT | GT_BSD_USER_INTERRUPT |
- GT_BLT_USER_INTERRUPT | GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
- I915_WRITE(GTIER, gt_irqs);
- POSTING_READ(GTIER);
-
- I915_WRITE(GEN6_PMIIR, I915_READ(GEN6_PMIIR));
- if (HAS_VEBOX(dev))
- pm_irqs |= PM_VEBOX_USER_INTERRUPT |
- PM_VEBOX_CS_ERROR_INTERRUPT;
-
- /* Our enable/disable rps functions may touch these registers so
- * make sure to set a known state for only the non-RPS bits.
- * The RMW is extra paranoia since this should be called after being set
- * to a known state in preinstall.
- * */
- I915_WRITE(GEN6_PMIMR,
- (I915_READ(GEN6_PMIMR) | ~GEN6_PM_RPS_EVENTS) & ~pm_irqs);
- I915_WRITE(GEN6_PMIER,
- (I915_READ(GEN6_PMIER) & GEN6_PM_RPS_EVENTS) | pm_irqs);
- POSTING_READ(GEN6_PMIER);
+ gen5_gt_irq_postinstall(dev);
ibx_irq_postinstall(dev);
+ if (IS_IRONLAKE_M(dev)) {
+ /* Enable PCU event interrupts
+ *
+ * spinlocking not required here for correctness since interrupt
+ * setup is guaranteed to run in single-threaded context. But we
+ * need it to make the assert_spin_locked happy. */
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ ironlake_enable_display_irq(dev_priv, DE_PCU_EVENT);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+ }
+
return 0;
}
static int valleyview_irq_postinstall(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- u32 gt_irqs;
u32 enable_mask;
u32 pipestat_enable = PLANE_FLIP_DONE_INT_EN_VLV;
+ unsigned long irqflags;
enable_mask = I915_DISPLAY_PORT_INTERRUPT;
enable_mask |= I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
I915_WRITE(PIPESTAT(1), 0xffff);
POSTING_READ(VLV_IER);
+ /* Interrupt setup is already guaranteed to be single-threaded, this is
+ * just to make the assert_spin_locked check happy. */
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
i915_enable_pipestat(dev_priv, 0, pipestat_enable);
i915_enable_pipestat(dev_priv, 0, PIPE_GMBUS_EVENT_ENABLE);
i915_enable_pipestat(dev_priv, 1, pipestat_enable);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
I915_WRITE(VLV_IIR, 0xffffffff);
I915_WRITE(VLV_IIR, 0xffffffff);
- I915_WRITE(GTIIR, I915_READ(GTIIR));
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
-
- gt_irqs = GT_RENDER_USER_INTERRUPT | GT_BSD_USER_INTERRUPT |
- GT_BLT_USER_INTERRUPT;
- I915_WRITE(GTIER, gt_irqs);
- POSTING_READ(GTIER);
+ gen5_gt_irq_postinstall(dev);
/* ack & enable invalid PTE error interrupts */
#if 0 /* FIXME: add support to irq handler for checking these bits */
u16 iir, new_iir;
u32 pipe_stats[2];
unsigned long irqflags;
- int irq_received;
int pipe;
u16 flip_mask =
I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
DRM_DEBUG_DRIVER("pipe %c underrun\n",
pipe_name(pipe));
I915_WRITE(reg, pipe_stats[pipe]);
- irq_received = 1;
}
}
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 enable_mask;
u32 error_mask;
+ unsigned long irqflags;
/* Unmask the interrupts that we always want on. */
dev_priv->irq_mask = ~(I915_ASLE_INTERRUPT |
if (IS_G4X(dev))
enable_mask |= I915_BSD_USER_INTERRUPT;
+ /* Interrupt setup is already guaranteed to be single-threaded, this is
+ * just to make the assert_spin_locked check happy. */
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
i915_enable_pipestat(dev_priv, 0, PIPE_GMBUS_EVENT_ENABLE);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
/*
* Enable some error detection, note the instruction error mask
dev->driver->enable_vblank = valleyview_enable_vblank;
dev->driver->disable_vblank = valleyview_disable_vblank;
dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup;
- } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) {
- /* Share uninstall handlers with ILK/SNB */
- dev->driver->irq_handler = ivybridge_irq_handler;
- dev->driver->irq_preinstall = ivybridge_irq_preinstall;
- dev->driver->irq_postinstall = ivybridge_irq_postinstall;
- dev->driver->irq_uninstall = ironlake_irq_uninstall;
- dev->driver->enable_vblank = ivybridge_enable_vblank;
- dev->driver->disable_vblank = ivybridge_disable_vblank;
- dev_priv->display.hpd_irq_setup = ibx_hpd_irq_setup;
} else if (HAS_PCH_SPLIT(dev)) {
dev->driver->irq_handler = ironlake_irq_handler;
dev->driver->irq_preinstall = ironlake_irq_preinstall;
projects / ~andy / linux / blobdiff