diff options
-rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_breadcrumbs.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 34 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 237 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 5 |
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); |