diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 7ccc900eaf6b..8b158f02bd0f 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1322,10 +1322,10 @@ static u32 vlv_c0_residency(struct drm_i915_private *dev_priv, * @dev_priv: DRM device private * */ -static u32 vlv_calc_delay_from_C0_counters(struct drm_i915_private *dev_priv) +static int vlv_calc_delay_from_C0_counters(struct drm_i915_private *dev_priv) { u32 residency_C0_up = 0, residency_C0_down = 0; - u8 new_delay, adj; + int new_delay, adj; dev_priv->rps.ei_interrupt_count++; @@ -1627,6 +1627,7 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev, struct drm_i915_private *dev_priv, u32 master_ctl) { + struct intel_engine_cs *ring; u32 rcs, bcs, vcs; uint32_t tmp = 0; irqreturn_t ret = IRQ_NONE; @@ -1636,12 +1637,20 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev, if (tmp) { I915_WRITE(GEN8_GT_IIR(0), tmp); ret = IRQ_HANDLED; + rcs = tmp >> GEN8_RCS_IRQ_SHIFT; - bcs = tmp >> GEN8_BCS_IRQ_SHIFT; + ring = &dev_priv->ring[RCS]; if (rcs & GT_RENDER_USER_INTERRUPT) - notify_ring(dev, &dev_priv->ring[RCS]); + notify_ring(dev, ring); + if (rcs & GT_CONTEXT_SWITCH_INTERRUPT) + intel_execlists_handle_ctx_events(ring); + + bcs = tmp >> GEN8_BCS_IRQ_SHIFT; + ring = &dev_priv->ring[BCS]; if (bcs & GT_RENDER_USER_INTERRUPT) - notify_ring(dev, &dev_priv->ring[BCS]); + notify_ring(dev, ring); + if (bcs & GT_CONTEXT_SWITCH_INTERRUPT) + intel_execlists_handle_ctx_events(ring); } else DRM_ERROR("The master control interrupt lied (GT0)!\n"); } @@ -1651,12 +1660,20 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev, if (tmp) { I915_WRITE(GEN8_GT_IIR(1), tmp); ret = IRQ_HANDLED; + vcs = tmp >> GEN8_VCS1_IRQ_SHIFT; + ring = &dev_priv->ring[VCS]; if (vcs & GT_RENDER_USER_INTERRUPT) - notify_ring(dev, &dev_priv->ring[VCS]); + notify_ring(dev, ring); + if (vcs & GT_CONTEXT_SWITCH_INTERRUPT) + intel_execlists_handle_ctx_events(ring); + vcs = tmp >> GEN8_VCS2_IRQ_SHIFT; + ring = &dev_priv->ring[VCS2]; if (vcs & GT_RENDER_USER_INTERRUPT) - notify_ring(dev, &dev_priv->ring[VCS2]); + notify_ring(dev, ring); + if (vcs & GT_CONTEXT_SWITCH_INTERRUPT) + intel_execlists_handle_ctx_events(ring); } else DRM_ERROR("The master control interrupt lied (GT1)!\n"); } @@ -1677,9 +1694,13 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev, if (tmp) { I915_WRITE(GEN8_GT_IIR(3), tmp); ret = IRQ_HANDLED; + vcs = tmp >> GEN8_VECS_IRQ_SHIFT; + ring = &dev_priv->ring[VECS]; if (vcs & GT_RENDER_USER_INTERRUPT) - notify_ring(dev, &dev_priv->ring[VECS]); + notify_ring(dev, ring); + if (vcs & GT_CONTEXT_SWITCH_INTERRUPT) + intel_execlists_handle_ctx_events(ring); } else DRM_ERROR("The master control interrupt lied (GT3)!\n"); } @@ -1772,7 +1793,9 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev, long_hpd = (dig_hotplug_reg >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT; } - DRM_DEBUG_DRIVER("digital hpd port %d %d\n", port, long_hpd); + DRM_DEBUG_DRIVER("digital hpd port %c - %s\n", + port_name(port), + long_hpd ? "long" : "short"); /* for long HPD pulses we want to have the digital queue happen, but we still want HPD storm detection to function. */ if (long_hpd) { @@ -3781,12 +3804,17 @@ static void gen8_gt_irq_postinstall(struct drm_i915_private *dev_priv) /* These are interrupts we'll toggle with the ring mask register */ uint32_t gt_interrupts[] = { GT_RENDER_USER_INTERRUPT << GEN8_RCS_IRQ_SHIFT | + GT_CONTEXT_SWITCH_INTERRUPT << GEN8_RCS_IRQ_SHIFT | GT_RENDER_L3_PARITY_ERROR_INTERRUPT | - GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT, + GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT | + GT_CONTEXT_SWITCH_INTERRUPT << GEN8_BCS_IRQ_SHIFT, GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT | - GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT, + GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VCS1_IRQ_SHIFT | + GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT | + GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VCS2_IRQ_SHIFT, 0, - GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT + GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT | + GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VECS_IRQ_SHIFT }; for (i = 0; i < ARRAY_SIZE(gt_interrupts); i++) |