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-rw-r--r--drivers/gpu/drm/i915/i915_irq.c8
-rw-r--r--drivers/gpu/drm/i915/intel_breadcrumbs.c10
-rw-r--r--drivers/gpu/drm/i915/intel_lrc.c34
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c237
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h5
5 files changed, 92 insertions, 202 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 7724bae27bcf..be25b7bdacfe 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -259,12 +259,12 @@ static void ilk_update_gt_irq(struct drm_i915_private *dev_priv,
dev_priv->gt_irq_mask &= ~interrupt_mask;
dev_priv->gt_irq_mask |= (~enabled_irq_mask & interrupt_mask);
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
- POSTING_READ(GTIMR);
}
void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask)
{
ilk_update_gt_irq(dev_priv, mask, mask);
+ POSTING_READ_FW(GTIMR);
}
void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask)
@@ -2819,9 +2819,9 @@ ring_idle(struct intel_engine_cs *engine, u32 seqno)
}
static bool
-ipehr_is_semaphore_wait(struct drm_i915_private *dev_priv, u32 ipehr)
+ipehr_is_semaphore_wait(struct intel_engine_cs *engine, u32 ipehr)
{
- if (INTEL_GEN(dev_priv) >= 8) {
+ if (INTEL_GEN(engine->i915) >= 8) {
return (ipehr >> 23) == 0x1c;
} else {
ipehr &= ~MI_SEMAPHORE_SYNC_MASK;
@@ -2892,7 +2892,7 @@ semaphore_waits_for(struct intel_engine_cs *engine, u32 *seqno)
return NULL;
ipehr = I915_READ(RING_IPEHR(engine->mmio_base));
- if (!ipehr_is_semaphore_wait(engine->i915, ipehr))
+ if (!ipehr_is_semaphore_wait(engine, ipehr))
return NULL;
/*
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
index f20ccacde81e..009d6e121767 100644
--- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
@@ -50,12 +50,18 @@ static void irq_enable(struct intel_engine_cs *engine)
* just in case.
*/
engine->irq_posted = true;
- WARN_ON(!engine->irq_get(engine));
+
+ spin_lock_irq(&engine->i915->irq_lock);
+ engine->irq_enable(engine);
+ spin_unlock_irq(&engine->i915->irq_lock);
}
static void irq_disable(struct intel_engine_cs *engine)
{
- engine->irq_put(engine);
+ spin_lock_irq(&engine->i915->irq_lock);
+ engine->irq_disable(engine);
+ spin_unlock_irq(&engine->i915->irq_lock);
+
engine->irq_posted = false;
}
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index f1a01137334c..380175149916 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1617,36 +1617,18 @@ static int gen8_emit_bb_start(struct drm_i915_gem_request *req,
return 0;
}
-static bool gen8_logical_ring_get_irq(struct intel_engine_cs *engine)
+static void gen8_logical_ring_enable_irq(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
-
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (engine->irq_refcount++ == 0) {
- I915_WRITE_IMR(engine,
- ~(engine->irq_enable_mask | engine->irq_keep_mask));
- POSTING_READ(RING_IMR(engine->mmio_base));
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-
- return true;
+ I915_WRITE_IMR(engine,
+ ~(engine->irq_enable_mask | engine->irq_keep_mask));
+ POSTING_READ_FW(RING_IMR(engine->mmio_base));
}
-static void gen8_logical_ring_put_irq(struct intel_engine_cs *engine)
+static void gen8_logical_ring_disable_irq(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--engine->irq_refcount == 0) {
- I915_WRITE_IMR(engine, ~engine->irq_keep_mask);
- POSTING_READ(RING_IMR(engine->mmio_base));
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ I915_WRITE_IMR(engine, ~engine->irq_keep_mask);
}
static int gen8_emit_flush(struct drm_i915_gem_request *request,
@@ -1966,8 +1948,8 @@ logical_ring_default_vfuncs(struct intel_engine_cs *engine)
engine->init_hw = gen8_init_common_ring;
engine->emit_request = gen8_emit_request;
engine->emit_flush = gen8_emit_flush;
- engine->irq_get = gen8_logical_ring_get_irq;
- engine->irq_put = gen8_logical_ring_put_irq;
+ engine->irq_enable = gen8_logical_ring_enable_irq;
+ engine->irq_disable = gen8_logical_ring_disable_irq;
engine->emit_bb_start = gen8_emit_bb_start;
if (IS_BXT_REVID(engine->i915, 0, BXT_REVID_A1))
engine->irq_seqno_barrier = bxt_a_seqno_barrier;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 3bd598673d88..994f7616a58b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1636,103 +1636,54 @@ gen6_seqno_barrier(struct intel_engine_cs *engine)
spin_unlock_irq(&dev_priv->uncore.lock);
}
-static bool
-gen5_ring_get_irq(struct intel_engine_cs *engine)
+static void
+gen5_irq_enable(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
-
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (engine->irq_refcount++ == 0)
- gen5_enable_gt_irq(dev_priv, engine->irq_enable_mask);
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-
- return true;
+ gen5_enable_gt_irq(engine->i915, engine->irq_enable_mask);
}
static void
-gen5_ring_put_irq(struct intel_engine_cs *engine)
+gen5_irq_disable(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--engine->irq_refcount == 0)
- gen5_disable_gt_irq(dev_priv, engine->irq_enable_mask);
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ gen5_disable_gt_irq(engine->i915, engine->irq_enable_mask);
}
-static bool
-i9xx_ring_get_irq(struct intel_engine_cs *engine)
+static void
+i9xx_irq_enable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
-
- if (!intel_irqs_enabled(dev_priv))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (engine->irq_refcount++ == 0) {
- dev_priv->irq_mask &= ~engine->irq_enable_mask;
- I915_WRITE(IMR, dev_priv->irq_mask);
- POSTING_READ(IMR);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
- return true;
+ dev_priv->irq_mask &= ~engine->irq_enable_mask;
+ I915_WRITE(IMR, dev_priv->irq_mask);
+ POSTING_READ_FW(RING_IMR(engine->mmio_base));
}
static void
-i9xx_ring_put_irq(struct intel_engine_cs *engine)
+i9xx_irq_disable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--engine->irq_refcount == 0) {
- dev_priv->irq_mask |= engine->irq_enable_mask;
- I915_WRITE(IMR, dev_priv->irq_mask);
- POSTING_READ(IMR);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ dev_priv->irq_mask |= engine->irq_enable_mask;
+ I915_WRITE(IMR, dev_priv->irq_mask);
}
-static bool
-i8xx_ring_get_irq(struct intel_engine_cs *engine)
+static void
+i8xx_irq_enable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
- if (!intel_irqs_enabled(dev_priv))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (engine->irq_refcount++ == 0) {
- dev_priv->irq_mask &= ~engine->irq_enable_mask;
- I915_WRITE16(IMR, dev_priv->irq_mask);
- POSTING_READ16(IMR);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-
- return true;
+ dev_priv->irq_mask &= ~engine->irq_enable_mask;
+ I915_WRITE16(IMR, dev_priv->irq_mask);
+ POSTING_READ16(RING_IMR(engine->mmio_base));
}
static void
-i8xx_ring_put_irq(struct intel_engine_cs *engine)
+i8xx_irq_disable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--engine->irq_refcount == 0) {
- dev_priv->irq_mask |= engine->irq_enable_mask;
- I915_WRITE16(IMR, dev_priv->irq_mask);
- POSTING_READ16(IMR);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ dev_priv->irq_mask |= engine->irq_enable_mask;
+ I915_WRITE16(IMR, dev_priv->irq_mask);
}
static int
@@ -1773,122 +1724,74 @@ i9xx_add_request(struct drm_i915_gem_request *req)
return 0;
}
-static bool
-gen6_ring_get_irq(struct intel_engine_cs *engine)
+static void
+gen6_irq_enable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
-
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return false;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (engine->irq_refcount++ == 0) {
- if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
- I915_WRITE_IMR(engine,
- ~(engine->irq_enable_mask |
- GT_PARITY_ERROR(dev_priv)));
- else
- I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
- gen5_enable_gt_irq(dev_priv, engine->irq_enable_mask);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-
- return true;
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
+ I915_WRITE_IMR(engine,
+ ~(engine->irq_enable_mask |
+ GT_PARITY_ERROR(dev_priv)));
+ else
+ I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
+ gen5_enable_gt_irq(dev_priv, engine->irq_enable_mask);
}
static void
-gen6_ring_put_irq(struct intel_engine_cs *engine)
+gen6_irq_disable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--engine->irq_refcount == 0) {
- if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
- I915_WRITE_IMR(engine, ~GT_PARITY_ERROR(dev_priv));
- else
- I915_WRITE_IMR(engine, ~0);
- gen5_disable_gt_irq(dev_priv, engine->irq_enable_mask);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
+ I915_WRITE_IMR(engine, ~GT_PARITY_ERROR(dev_priv));
+ else
+ I915_WRITE_IMR(engine, ~0);
+ gen5_disable_gt_irq(dev_priv, engine->irq_enable_mask);
}
-static bool
-hsw_vebox_get_irq(struct intel_engine_cs *engine)
+static void
+hsw_vebox_irq_enable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
-
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return false;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (engine->irq_refcount++ == 0) {
- I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
- gen6_enable_pm_irq(dev_priv, engine->irq_enable_mask);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-
- return true;
+ I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
+ gen6_enable_pm_irq(dev_priv, engine->irq_enable_mask);
}
static void
-hsw_vebox_put_irq(struct intel_engine_cs *engine)
+hsw_vebox_irq_disable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--engine->irq_refcount == 0) {
- I915_WRITE_IMR(engine, ~0);
- gen6_disable_pm_irq(dev_priv, engine->irq_enable_mask);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ I915_WRITE_IMR(engine, ~0);
+ gen6_disable_pm_irq(dev_priv, engine->irq_enable_mask);
}
-static bool
-gen8_ring_get_irq(struct intel_engine_cs *engine)
+static void
+gen8_irq_enable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (engine->irq_refcount++ == 0) {
- if (HAS_L3_DPF(dev_priv) && engine->id == RCS) {
- I915_WRITE_IMR(engine,
- ~(engine->irq_enable_mask |
- GT_RENDER_L3_PARITY_ERROR_INTERRUPT));
- } else {
- I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
- }
- POSTING_READ(RING_IMR(engine->mmio_base));
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-
- return true;
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
+ I915_WRITE_IMR(engine,
+ ~(engine->irq_enable_mask |
+ GT_RENDER_L3_PARITY_ERROR_INTERRUPT));
+ else
+ I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
+ POSTING_READ_FW(RING_IMR(engine->mmio_base));
}
static void
-gen8_ring_put_irq(struct intel_engine_cs *engine)
+gen8_irq_disable(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- unsigned long flags;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--engine->irq_refcount == 0) {
- if (HAS_L3_DPF(dev_priv) && engine->id == RCS) {
- I915_WRITE_IMR(engine,
- ~GT_RENDER_L3_PARITY_ERROR_INTERRUPT);
- } else {
- I915_WRITE_IMR(engine, ~0);
- }
- POSTING_READ(RING_IMR(engine->mmio_base));
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
+ I915_WRITE_IMR(engine,
+ ~GT_RENDER_L3_PARITY_ERROR_INTERRUPT);
+ else
+ I915_WRITE_IMR(engine, ~0);
}
static int
@@ -2909,23 +2812,23 @@ static void intel_ring_init_irq(struct drm_i915_private *dev_priv,
struct intel_engine_cs *engine)
{
if (INTEL_GEN(dev_priv) >= 8) {
- engine->irq_get = gen8_ring_get_irq;
- engine->irq_put = gen8_ring_put_irq;
+ engine->irq_enable = gen8_irq_enable;
+ engine->irq_disable = gen8_irq_disable;
engine->irq_seqno_barrier = gen6_seqno_barrier;
} else if (INTEL_GEN(dev_priv) >= 6) {
- engine->irq_get = gen6_ring_get_irq;
- engine->irq_put = gen6_ring_put_irq;
+ engine->irq_enable = gen6_irq_enable;
+ engine->irq_disable = gen6_irq_disable;
engine->irq_seqno_barrier = gen6_seqno_barrier;
} else if (INTEL_GEN(dev_priv) >= 5) {
- engine->irq_get = gen5_ring_get_irq;
- engine->irq_put = gen5_ring_put_irq;
+ engine->irq_enable = gen5_irq_enable;
+ engine->irq_disable = gen5_irq_disable;
engine->irq_seqno_barrier = gen5_seqno_barrier;
} else if (INTEL_GEN(dev_priv) >= 3) {
- engine->irq_get = i9xx_ring_get_irq;
- engine->irq_put = i9xx_ring_put_irq;
+ engine->irq_enable = i9xx_irq_enable;
+ engine->irq_disable = i9xx_irq_disable;
} else {
- engine->irq_get = i8xx_ring_get_irq;
- engine->irq_put = i8xx_ring_put_irq;
+ engine->irq_enable = i8xx_irq_enable;
+ engine->irq_disable = i8xx_irq_disable;
}
}
@@ -3115,8 +3018,8 @@ int intel_init_vebox_ring_buffer(struct drm_device *dev)
GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT;
} else {
engine->irq_enable_mask = PM_VEBOX_USER_INTERRUPT;
- engine->irq_get = hsw_vebox_get_irq;
- engine->irq_put = hsw_vebox_put_irq;
+ engine->irq_enable = hsw_vebox_irq_enable;
+ engine->irq_disable = hsw_vebox_irq_disable;
}
return intel_init_ring_buffer(dev, engine);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index cac838384588..3fdf2a06e131 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -189,11 +189,10 @@ struct intel_engine_cs {
struct intel_hw_status_page status_page;
struct i915_ctx_workarounds wa_ctx;
- unsigned irq_refcount; /* protected by dev_priv->irq_lock */
bool irq_posted;
u32 irq_enable_mask; /* bitmask to enable ring interrupt */
- bool __must_check (*irq_get)(struct intel_engine_cs *ring);
- void (*irq_put)(struct intel_engine_cs *ring);
+ void (*irq_enable)(struct intel_engine_cs *ring);
+ void (*irq_disable)(struct intel_engine_cs *ring);
int (*init_hw)(struct intel_engine_cs *ring);
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