[Intel-gfx] [PATCH 18/24] drm/i915: unify ring irq refcounts (again)
Daniel Vetter
daniel.vetter at ffwll.ch
Wed Jun 12 13:37:20 CEST 2013
With the simplified locking there's no reason any more to keep the
refcounts seperate.
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 20 ++++++++++----------
drivers/gpu/drm/i915/intel_ringbuffer.h | 5 +----
2 files changed, 11 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index a7c9934..b75e9d0 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -819,7 +819,7 @@ gen5_ring_get_irq(struct intel_ring_buffer *ring)
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount.gt++ == 0) {
+ if (ring->irq_refcount++ == 0) {
dev_priv->gt_irq_mask &= ~ring->irq_enable_mask;
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
@@ -837,7 +837,7 @@ gen5_ring_put_irq(struct intel_ring_buffer *ring)
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount.gt == 0) {
+ if (--ring->irq_refcount == 0) {
dev_priv->gt_irq_mask |= ring->irq_enable_mask;
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
@@ -856,7 +856,7 @@ i9xx_ring_get_irq(struct intel_ring_buffer *ring)
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount.gt++ == 0) {
+ if (ring->irq_refcount++ == 0) {
dev_priv->irq_mask &= ~ring->irq_enable_mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
@@ -874,7 +874,7 @@ i9xx_ring_put_irq(struct intel_ring_buffer *ring)
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount.gt == 0) {
+ if (--ring->irq_refcount == 0) {
dev_priv->irq_mask |= ring->irq_enable_mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
@@ -893,7 +893,7 @@ i8xx_ring_get_irq(struct intel_ring_buffer *ring)
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount.gt++ == 0) {
+ if (ring->irq_refcount++ == 0) {
dev_priv->irq_mask &= ~ring->irq_enable_mask;
I915_WRITE16(IMR, dev_priv->irq_mask);
POSTING_READ16(IMR);
@@ -911,7 +911,7 @@ i8xx_ring_put_irq(struct intel_ring_buffer *ring)
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount.gt == 0) {
+ if (--ring->irq_refcount == 0) {
dev_priv->irq_mask |= ring->irq_enable_mask;
I915_WRITE16(IMR, dev_priv->irq_mask);
POSTING_READ16(IMR);
@@ -1004,7 +1004,7 @@ gen6_ring_get_irq(struct intel_ring_buffer *ring)
gen6_gt_force_wake_get(dev_priv);
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount.gt++ == 0) {
+ if (ring->irq_refcount++ == 0) {
if (HAS_L3_GPU_CACHE(dev) && ring->id == RCS)
I915_WRITE_IMR(ring,
~(ring->irq_enable_mask |
@@ -1028,7 +1028,7 @@ gen6_ring_put_irq(struct intel_ring_buffer *ring)
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount.gt == 0) {
+ if (--ring->irq_refcount == 0) {
if (HAS_L3_GPU_CACHE(dev) && ring->id == RCS)
I915_WRITE_IMR(ring,
~GT_RENDER_L3_PARITY_ERROR_INTERRUPT);
@@ -1054,7 +1054,7 @@ hsw_vebox_get_irq(struct intel_ring_buffer *ring)
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount.pm++ == 0) {
+ if (ring->irq_refcount++ == 0) {
u32 pm_imr = I915_READ(GEN6_PMIMR);
I915_WRITE_IMR(ring, ~ring->irq_enable_mask);
I915_WRITE(GEN6_PMIMR, pm_imr & ~ring->irq_enable_mask);
@@ -1076,7 +1076,7 @@ hsw_vebox_put_irq(struct intel_ring_buffer *ring)
return;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount.pm == 0) {
+ if (--ring->irq_refcount == 0) {
u32 pm_imr = I915_READ(GEN6_PMIMR);
I915_WRITE_IMR(ring, ~0);
I915_WRITE(GEN6_PMIMR, pm_imr | ring->irq_enable_mask);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index f960805..26e304c 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -74,10 +74,7 @@ struct intel_ring_buffer {
*/
u32 last_retired_head;
- struct {
- u32 gt; /* protected by dev_priv->irq_lock */
- u32 pm; /* protected by dev_priv->irq_lock */
- } irq_refcount;
+ unsigned irq_refcount;
u32 irq_enable_mask; /* bitmask to enable ring interrupt */
u32 trace_irq_seqno;
u32 sync_seqno[I915_NUM_RINGS-1];
--
1.8.1.4
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