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path: root/drivers/gpu/drm/i915/i915_irq.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c98
1 files changed, 59 insertions, 39 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 64c07c24e300..237b8bdb5994 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -293,13 +293,26 @@ static void i915_handle_rps_change(struct drm_device *dev)
return;
}
+static void notify_ring(struct drm_device *dev,
+ struct intel_ring_buffer *ring)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 seqno = ring->get_seqno(dev, ring);
+ ring->irq_gem_seqno = seqno;
+ trace_i915_gem_request_complete(dev, seqno);
+ wake_up_all(&ring->irq_queue);
+ dev_priv->hangcheck_count = 0;
+ mod_timer(&dev_priv->hangcheck_timer,
+ jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
+}
+
static irqreturn_t ironlake_irq_handler(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
int ret = IRQ_NONE;
u32 de_iir, gt_iir, de_ier, pch_iir;
+ u32 hotplug_mask;
struct drm_i915_master_private *master_priv;
- struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
u32 bsd_usr_interrupt = GT_BSD_USER_INTERRUPT;
if (IS_GEN6(dev))
@@ -317,6 +330,11 @@ static irqreturn_t ironlake_irq_handler(struct drm_device *dev)
if (de_iir == 0 && gt_iir == 0 && pch_iir == 0)
goto done;
+ if (HAS_PCH_CPT(dev))
+ hotplug_mask = SDE_HOTPLUG_MASK_CPT;
+ else
+ hotplug_mask = SDE_HOTPLUG_MASK;
+
ret = IRQ_HANDLED;
if (dev->primary->master) {
@@ -326,17 +344,12 @@ static irqreturn_t ironlake_irq_handler(struct drm_device *dev)
READ_BREADCRUMB(dev_priv);
}
- if (gt_iir & GT_PIPE_NOTIFY) {
- u32 seqno = render_ring->get_seqno(dev, render_ring);
- render_ring->irq_gem_seqno = seqno;
- trace_i915_gem_request_complete(dev, seqno);
- wake_up_all(&dev_priv->render_ring.irq_queue);
- dev_priv->hangcheck_count = 0;
- mod_timer(&dev_priv->hangcheck_timer,
- jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
- }
+ if (gt_iir & GT_PIPE_NOTIFY)
+ notify_ring(dev, &dev_priv->render_ring);
if (gt_iir & bsd_usr_interrupt)
- wake_up_all(&dev_priv->bsd_ring.irq_queue);
+ notify_ring(dev, &dev_priv->bsd_ring);
+ if (HAS_BLT(dev) && gt_iir & GT_BLT_USER_INTERRUPT)
+ notify_ring(dev, &dev_priv->blt_ring);
if (de_iir & DE_GSE)
intel_opregion_gse_intr(dev);
@@ -358,10 +371,8 @@ static irqreturn_t ironlake_irq_handler(struct drm_device *dev)
drm_handle_vblank(dev, 1);
/* check event from PCH */
- if ((de_iir & DE_PCH_EVENT) &&
- (pch_iir & SDE_HOTPLUG_MASK)) {
+ if ((de_iir & DE_PCH_EVENT) && (pch_iir & hotplug_mask))
queue_work(dev_priv->wq, &dev_priv->hotplug_work);
- }
if (de_iir & DE_PCU_EVENT) {
I915_WRITE16(MEMINTRSTS, I915_READ(MEMINTRSTS));
@@ -604,9 +615,7 @@ static void i915_capture_error_state(struct drm_device *dev)
batchbuffer[0] = NULL;
batchbuffer[1] = NULL;
count = 0;
- list_for_each_entry(obj_priv,
- &dev_priv->render_ring.active_list, list) {
-
+ list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) {
struct drm_gem_object *obj = &obj_priv->base;
if (batchbuffer[0] == NULL &&
@@ -623,7 +632,7 @@ static void i915_capture_error_state(struct drm_device *dev)
}
/* Scan the other lists for completeness for those bizarre errors. */
if (batchbuffer[0] == NULL || batchbuffer[1] == NULL) {
- list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, list) {
+ list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, mm_list) {
struct drm_gem_object *obj = &obj_priv->base;
if (batchbuffer[0] == NULL &&
@@ -641,7 +650,7 @@ static void i915_capture_error_state(struct drm_device *dev)
}
}
if (batchbuffer[0] == NULL || batchbuffer[1] == NULL) {
- list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, list) {
+ list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, mm_list) {
struct drm_gem_object *obj = &obj_priv->base;
if (batchbuffer[0] == NULL &&
@@ -660,7 +669,7 @@ static void i915_capture_error_state(struct drm_device *dev)
}
/* We need to copy these to an anonymous buffer as the simplest
- * method to avoid being overwritten by userpace.
+ * method to avoid being overwritten by userspace.
*/
error->batchbuffer[0] = i915_error_object_create(dev, batchbuffer[0]);
if (batchbuffer[1] != batchbuffer[0])
@@ -682,8 +691,7 @@ static void i915_capture_error_state(struct drm_device *dev)
if (error->active_bo) {
int i = 0;
- list_for_each_entry(obj_priv,
- &dev_priv->render_ring.active_list, list) {
+ list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) {
struct drm_gem_object *obj = &obj_priv->base;
error->active_bo[i].size = obj->size;
@@ -880,6 +888,8 @@ static void i915_handle_error(struct drm_device *dev, bool wedged)
wake_up_all(&dev_priv->render_ring.irq_queue);
if (HAS_BSD(dev))
wake_up_all(&dev_priv->bsd_ring.irq_queue);
+ if (HAS_BLT(dev))
+ wake_up_all(&dev_priv->blt_ring.irq_queue);
}
queue_work(dev_priv->wq, &dev_priv->error_work);
@@ -940,7 +950,6 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
unsigned long irqflags;
int irq_received;
int ret = IRQ_NONE;
- struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
atomic_inc(&dev_priv->irq_received);
@@ -1017,18 +1026,10 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
READ_BREADCRUMB(dev_priv);
}
- if (iir & I915_USER_INTERRUPT) {
- u32 seqno = render_ring->get_seqno(dev, render_ring);
- render_ring->irq_gem_seqno = seqno;
- trace_i915_gem_request_complete(dev, seqno);
- wake_up_all(&dev_priv->render_ring.irq_queue);
- dev_priv->hangcheck_count = 0;
- mod_timer(&dev_priv->hangcheck_timer,
- jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
- }
-
+ if (iir & I915_USER_INTERRUPT)
+ notify_ring(dev, &dev_priv->render_ring);
if (HAS_BSD(dev) && (iir & I915_BSD_USER_INTERRUPT))
- wake_up_all(&dev_priv->bsd_ring.irq_queue);
+ notify_ring(dev, &dev_priv->bsd_ring);
if (iir & I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT) {
intel_prepare_page_flip(dev, 0);
@@ -1357,6 +1358,12 @@ void i915_hangcheck_elapsed(unsigned long data)
missed_wakeup = true;
}
+ if (dev_priv->blt_ring.waiting_gem_seqno &&
+ waitqueue_active(&dev_priv->blt_ring.irq_queue)) {
+ wake_up_all(&dev_priv->blt_ring.irq_queue);
+ missed_wakeup = true;
+ }
+
if (missed_wakeup)
DRM_ERROR("Hangcheck timer elapsed... GPU idle, missed IRQ.\n");
return;
@@ -1431,8 +1438,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
u32 display_mask = DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE;
u32 render_mask = GT_PIPE_NOTIFY | GT_BSD_USER_INTERRUPT;
- u32 hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG |
- SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG;
+ u32 hotplug_mask;
dev_priv->irq_mask_reg = ~display_mask;
dev_priv->de_irq_enable_reg = display_mask | DE_PIPEA_VBLANK | DE_PIPEB_VBLANK;
@@ -1443,8 +1449,12 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
I915_WRITE(DEIER, dev_priv->de_irq_enable_reg);
(void) I915_READ(DEIER);
- if (IS_GEN6(dev))
- render_mask = GT_PIPE_NOTIFY | GT_GEN6_BSD_USER_INTERRUPT;
+ if (IS_GEN6(dev)) {
+ render_mask =
+ GT_PIPE_NOTIFY |
+ GT_GEN6_BSD_USER_INTERRUPT |
+ GT_BLT_USER_INTERRUPT;
+ }
dev_priv->gt_irq_mask_reg = ~render_mask;
dev_priv->gt_irq_enable_reg = render_mask;
@@ -1454,11 +1464,20 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
if (IS_GEN6(dev)) {
I915_WRITE(GEN6_RENDER_IMR, ~GEN6_RENDER_PIPE_CONTROL_NOTIFY_INTERRUPT);
I915_WRITE(GEN6_BSD_IMR, ~GEN6_BSD_IMR_USER_INTERRUPT);
+ I915_WRITE(GEN6_BLITTER_IMR, ~GEN6_BLITTER_USER_INTERRUPT);
}
I915_WRITE(GTIER, dev_priv->gt_irq_enable_reg);
(void) I915_READ(GTIER);
+ if (HAS_PCH_CPT(dev)) {
+ hotplug_mask = SDE_CRT_HOTPLUG_CPT | SDE_PORTB_HOTPLUG_CPT |
+ SDE_PORTC_HOTPLUG_CPT | SDE_PORTD_HOTPLUG_CPT ;
+ } else {
+ hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG |
+ SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG;
+ }
+
dev_priv->pch_irq_mask_reg = ~hotplug_mask;
dev_priv->pch_irq_enable_reg = hotplug_mask;
@@ -1515,9 +1534,10 @@ int i915_driver_irq_postinstall(struct drm_device *dev)
u32 error_mask;
DRM_INIT_WAITQUEUE(&dev_priv->render_ring.irq_queue);
-
if (HAS_BSD(dev))
DRM_INIT_WAITQUEUE(&dev_priv->bsd_ring.irq_queue);
+ if (HAS_BLT(dev))
+ DRM_INIT_WAITQUEUE(&dev_priv->blt_ring.irq_queue);
dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-02 17:21:42 +0000