diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 1552 |
1 files changed, 762 insertions, 790 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index d1a46ef5ab3f..1c2aec392412 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) @@ -336,9 +336,8 @@ void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask) __gen6_disable_pm_irq(dev_priv, mask); } -void gen6_reset_rps_interrupts(struct drm_device *dev) +void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; i915_reg_t reg = gen6_pm_iir(dev_priv); spin_lock_irq(&dev_priv->irq_lock); @@ -349,14 +348,11 @@ void gen6_reset_rps_interrupts(struct drm_device *dev) spin_unlock_irq(&dev_priv->irq_lock); } -void gen6_enable_rps_interrupts(struct drm_device *dev) +void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - spin_lock_irq(&dev_priv->irq_lock); - - WARN_ON(dev_priv->rps.pm_iir); - WARN_ON(I915_READ(gen6_pm_iir(dev_priv)) & dev_priv->pm_rps_events); + WARN_ON_ONCE(dev_priv->rps.pm_iir); + WARN_ON_ONCE(I915_READ(gen6_pm_iir(dev_priv)) & dev_priv->pm_rps_events); dev_priv->rps.interrupts_enabled = true; I915_WRITE(gen6_pm_ier(dev_priv), I915_READ(gen6_pm_ier(dev_priv)) | dev_priv->pm_rps_events); @@ -367,32 +363,13 @@ void gen6_enable_rps_interrupts(struct drm_device *dev) u32 gen6_sanitize_rps_pm_mask(struct drm_i915_private *dev_priv, u32 mask) { - /* - * SNB,IVB can while VLV,CHV may hard hang on looping batchbuffer - * if GEN6_PM_UP_EI_EXPIRED is masked. - * - * TODO: verify if this can be reproduced on VLV,CHV. - */ - if (INTEL_INFO(dev_priv)->gen <= 7 && !IS_HASWELL(dev_priv)) - mask &= ~GEN6_PM_RP_UP_EI_EXPIRED; - - if (INTEL_INFO(dev_priv)->gen >= 8) - mask &= ~GEN8_PMINTR_REDIRECT_TO_NON_DISP; - - return mask; + return (mask & ~dev_priv->rps.pm_intr_keep); } -void gen6_disable_rps_interrupts(struct drm_device *dev) +void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - spin_lock_irq(&dev_priv->irq_lock); dev_priv->rps.interrupts_enabled = false; - spin_unlock_irq(&dev_priv->irq_lock); - - cancel_work_sync(&dev_priv->rps.work); - - spin_lock_irq(&dev_priv->irq_lock); I915_WRITE(GEN6_PMINTRMSK, gen6_sanitize_rps_pm_mask(dev_priv, ~0)); @@ -401,8 +378,15 @@ void gen6_disable_rps_interrupts(struct drm_device *dev) ~dev_priv->pm_rps_events); spin_unlock_irq(&dev_priv->irq_lock); + synchronize_irq(dev_priv->drm.irq); - synchronize_irq(dev->irq); + /* Now that we will not be generating any more work, flush any + * outsanding tasks. As we are called on the RPS idle path, + * we will reset the GPU to minimum frequencies, so the current + * state of the worker can be discarded. + */ + cancel_work_sync(&dev_priv->rps.work); + gen6_reset_rps_interrupts(dev_priv); } /** @@ -582,7 +566,7 @@ i915_enable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe, u32 enable_mask; if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - enable_mask = vlv_get_pipestat_enable_mask(dev_priv->dev, + enable_mask = vlv_get_pipestat_enable_mask(&dev_priv->drm, status_mask); else enable_mask = status_mask << 16; @@ -596,7 +580,7 @@ i915_disable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe, u32 enable_mask; if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - enable_mask = vlv_get_pipestat_enable_mask(dev_priv->dev, + enable_mask = vlv_get_pipestat_enable_mask(&dev_priv->drm, status_mask); else enable_mask = status_mask << 16; @@ -605,19 +589,17 @@ i915_disable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe, /** * i915_enable_asle_pipestat - enable ASLE pipestat for OpRegion - * @dev: drm device + * @dev_priv: i915 device private */ -static void i915_enable_asle_pipestat(struct drm_device *dev) +static void i915_enable_asle_pipestat(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - - if (!dev_priv->opregion.asle || !IS_MOBILE(dev)) + if (!dev_priv->opregion.asle || !IS_MOBILE(dev_priv)) return; spin_lock_irq(&dev_priv->irq_lock); i915_enable_pipestat(dev_priv, PIPE_B, PIPE_LEGACY_BLC_EVENT_STATUS); - if (INTEL_INFO(dev)->gen >= 4) + if (INTEL_GEN(dev_priv) >= 4) i915_enable_pipestat(dev_priv, PIPE_A, PIPE_LEGACY_BLC_EVENT_STATUS); @@ -685,7 +667,7 @@ static u32 i8xx_get_vblank_counter(struct drm_device *dev, unsigned int pipe) */ static u32 i915_get_vblank_counter(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); i915_reg_t high_frame, low_frame; u32 high1, high2, low, pixel, vbl_start, hsync_start, htotal; struct intel_crtc *intel_crtc = @@ -732,7 +714,7 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, unsigned int pipe) static u32 g4x_get_vblank_counter(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); return I915_READ(PIPE_FRMCOUNT_G4X(pipe)); } @@ -741,7 +723,7 @@ static u32 g4x_get_vblank_counter(struct drm_device *dev, unsigned int pipe) static int __intel_get_crtc_scanline(struct intel_crtc *crtc) { struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); const struct drm_display_mode *mode = &crtc->base.hwmode; enum pipe pipe = crtc->pipe; int position, vtotal; @@ -750,7 +732,7 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc) if (mode->flags & DRM_MODE_FLAG_INTERLACE) vtotal /= 2; - if (IS_GEN2(dev)) + if (IS_GEN2(dev_priv)) position = I915_READ_FW(PIPEDSL(pipe)) & DSL_LINEMASK_GEN2; else position = I915_READ_FW(PIPEDSL(pipe)) & DSL_LINEMASK_GEN3; @@ -767,7 +749,7 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc) * problem. We may need to extend this to include other platforms, * but so far testing only shows the problem on HSW. */ - if (HAS_DDI(dev) && !position) { + if (HAS_DDI(dev_priv) && !position) { int i, temp; for (i = 0; i < 100; i++) { @@ -793,7 +775,7 @@ static int i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, ktime_t *stime, ktime_t *etime, const struct drm_display_mode *mode) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int position; @@ -835,7 +817,7 @@ static int i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, if (stime) *stime = ktime_get(); - if (IS_GEN2(dev) || IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) { + if (IS_GEN2(dev_priv) || IS_G4X(dev_priv) || INTEL_GEN(dev_priv) >= 5) { /* No obvious pixelcount register. Only query vertical * scanout position from Display scan line register. */ @@ -897,7 +879,7 @@ static int i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, else position += vtotal - vbl_end; - if (IS_GEN2(dev) || IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) { + if (IS_GEN2(dev_priv) || IS_G4X(dev_priv) || INTEL_GEN(dev_priv) >= 5) { *vpos = position; *hpos = 0; } else { @@ -914,7 +896,7 @@ static int i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, int intel_get_crtc_scanline(struct intel_crtc *crtc) { - struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); unsigned long irqflags; int position; @@ -955,9 +937,8 @@ static int i915_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe, &crtc->hwmode); } -static void ironlake_rps_change_irq_handler(struct drm_device *dev) +static void ironlake_rps_change_irq_handler(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 busy_up, busy_down, max_avg, min_avg; u8 new_delay; @@ -986,7 +967,7 @@ static void ironlake_rps_change_irq_handler(struct drm_device *dev) new_delay = dev_priv->ips.min_delay; } - if (ironlake_set_drps(dev, new_delay)) + if (ironlake_set_drps(dev_priv, new_delay)) dev_priv->ips.cur_delay = new_delay; spin_unlock(&mchdev_lock); @@ -994,14 +975,13 @@ static void ironlake_rps_change_irq_handler(struct drm_device *dev) return; } -static void notify_ring(struct intel_engine_cs *ring) +static void notify_ring(struct intel_engine_cs *engine) { - if (!intel_ring_initialized(ring)) - return; - - trace_i915_gem_request_notify(ring); - - wake_up_all(&ring->irq_queue); + smp_store_mb(engine->breadcrumbs.irq_posted, true); + if (intel_engine_wakeup(engine)) { + trace_i915_gem_request_notify(engine); + engine->breadcrumbs.irq_wakeups++; + } } static void vlv_c0_read(struct drm_i915_private *dev_priv, @@ -1079,11 +1059,10 @@ static u32 vlv_wa_c0_ei(struct drm_i915_private *dev_priv, u32 pm_iir) static bool any_waiters(struct drm_i915_private *dev_priv) { - struct intel_engine_cs *ring; - int i; + struct intel_engine_cs *engine; - for_each_ring(ring, dev_priv, i) - if (ring->irq_refcount) + for_each_engine(engine, dev_priv) + if (intel_engine_has_waiter(engine)) return true; return false; @@ -1104,13 +1083,6 @@ static void gen6_pm_rps_work(struct work_struct *work) return; } - /* - * The RPS work is synced during runtime suspend, we don't require a - * wakeref. TODO: instead of disabling the asserts make sure that we - * always hold an RPM reference while the work is running. - */ - DISABLE_RPM_WAKEREF_ASSERTS(dev_priv); - pm_iir = dev_priv->rps.pm_iir; dev_priv->rps.pm_iir = 0; /* Make sure not to corrupt PMIMR state used by ringbuffer on GEN6 */ @@ -1123,7 +1095,7 @@ static void gen6_pm_rps_work(struct work_struct *work) WARN_ON(pm_iir & ~dev_priv->pm_rps_events); if ((pm_iir & dev_priv->pm_rps_events) == 0 && !client_boost) - goto out; + return; mutex_lock(&dev_priv->rps.hw_lock); @@ -1175,11 +1147,9 @@ static void gen6_pm_rps_work(struct work_struct *work) new_delay += adj; new_delay = clamp_t(int, new_delay, min, max); - intel_set_rps(dev_priv->dev, new_delay); + intel_set_rps(dev_priv, new_delay); mutex_unlock(&dev_priv->rps.hw_lock); -out: - ENABLE_RPM_WAKEREF_ASSERTS(dev_priv); } @@ -1205,7 +1175,7 @@ static void ivybridge_parity_work(struct work_struct *work) * In order to prevent a get/put style interface, acquire struct mutex * any time we access those registers. */ - mutex_lock(&dev_priv->dev->struct_mutex); + mutex_lock(&dev_priv->drm.struct_mutex); /* If we've screwed up tracking, just let the interrupt fire again */ if (WARN_ON(!dev_priv->l3_parity.which_slice)) @@ -1219,7 +1189,7 @@ static void ivybridge_parity_work(struct work_struct *work) i915_reg_t reg; slice--; - if (WARN_ON_ONCE(slice >= NUM_L3_SLICES(dev_priv->dev))) + if (WARN_ON_ONCE(slice >= NUM_L3_SLICES(dev_priv))) break; dev_priv->l3_parity.which_slice &= ~(1<<slice); @@ -1241,7 +1211,7 @@ static void ivybridge_parity_work(struct work_struct *work) parity_event[4] = kasprintf(GFP_KERNEL, "SLICE=%d", slice); parity_event[5] = NULL; - kobject_uevent_env(&dev_priv->dev->primary->kdev->kobj, + kobject_uevent_env(&dev_priv->drm.primary->kdev->kobj, KOBJ_CHANGE, parity_event); DRM_DEBUG("Parity error: Slice = %d, Row = %d, Bank = %d, Sub bank = %d.\n", @@ -1258,24 +1228,23 @@ static void ivybridge_parity_work(struct work_struct *work) out: WARN_ON(dev_priv->l3_parity.which_slice); spin_lock_irq(&dev_priv->irq_lock); - gen5_enable_gt_irq(dev_priv, GT_PARITY_ERROR(dev_priv->dev)); + gen5_enable_gt_irq(dev_priv, GT_PARITY_ERROR(dev_priv)); spin_unlock_irq(&dev_priv->irq_lock); - mutex_unlock(&dev_priv->dev->struct_mutex); + mutex_unlock(&dev_priv->drm.struct_mutex); } -static void ivybridge_parity_error_irq_handler(struct drm_device *dev, u32 iir) +static void ivybridge_parity_error_irq_handler(struct drm_i915_private *dev_priv, + u32 iir) { - struct drm_i915_private *dev_priv = dev->dev_private; - - if (!HAS_L3_DPF(dev)) + if (!HAS_L3_DPF(dev_priv)) return; spin_lock(&dev_priv->irq_lock); - gen5_disable_gt_irq(dev_priv, GT_PARITY_ERROR(dev)); + gen5_disable_gt_irq(dev_priv, GT_PARITY_ERROR(dev_priv)); spin_unlock(&dev_priv->irq_lock); - iir &= GT_PARITY_ERROR(dev); + iir &= GT_PARITY_ERROR(dev_priv); if (iir & GT_RENDER_L3_PARITY_ERROR_INTERRUPT_S1) dev_priv->l3_parity.which_slice |= 1 << 1; @@ -1285,102 +1254,82 @@ static void ivybridge_parity_error_irq_handler(struct drm_device *dev, u32 iir) queue_work(dev_priv->wq, &dev_priv->l3_parity.error_work); } -static void ilk_gt_irq_handler(struct drm_device *dev, - struct drm_i915_private *dev_priv, +static void ilk_gt_irq_handler(struct drm_i915_private *dev_priv, u32 gt_iir) { - if (gt_iir & - (GT_RENDER_USER_INTERRUPT | GT_RENDER_PIPECTL_NOTIFY_INTERRUPT)) - notify_ring(&dev_priv->ring[RCS]); + if (gt_iir & GT_RENDER_USER_INTERRUPT) + notify_ring(&dev_priv->engine[RCS]); if (gt_iir & ILK_BSD_USER_INTERRUPT) - notify_ring(&dev_priv->ring[VCS]); + notify_ring(&dev_priv->engine[VCS]); } -static void snb_gt_irq_handler(struct drm_device *dev, - struct drm_i915_private *dev_priv, +static void snb_gt_irq_handler(struct drm_i915_private *dev_priv, u32 gt_iir) { - - if (gt_iir & - (GT_RENDER_USER_INTERRUPT | GT_RENDER_PIPECTL_NOTIFY_INTERRUPT)) - notify_ring(&dev_priv->ring[RCS]); + if (gt_iir & GT_RENDER_USER_INTERRUPT) + notify_ring(&dev_priv->engine[RCS]); if (gt_iir & GT_BSD_USER_INTERRUPT) - notify_ring(&dev_priv->ring[VCS]); + notify_ring(&dev_priv->engine[VCS]); if (gt_iir & GT_BLT_USER_INTERRUPT) - notify_ring(&dev_priv->ring[BCS]); + notify_ring(&dev_priv->engine[BCS]); if (gt_iir & (GT_BLT_CS_ERROR_INTERRUPT | GT_BSD_CS_ERROR_INTERRUPT | GT_RENDER_CS_MASTER_ERROR_INTERRUPT)) DRM_DEBUG("Command parser error, gt_iir 0x%08x\n", gt_iir); - if (gt_iir & GT_PARITY_ERROR(dev)) - ivybridge_parity_error_irq_handler(dev, gt_iir); + if (gt_iir & GT_PARITY_ERROR(dev_priv)) + ivybridge_parity_error_irq_handler(dev_priv, gt_iir); } static __always_inline void -gen8_cs_irq_handler(struct intel_engine_cs *ring, u32 iir, int test_shift) +gen8_cs_irq_handler(struct intel_engine_cs *engine, u32 iir, int test_shift) { if (iir & (GT_RENDER_USER_INTERRUPT << test_shift)) - notify_ring(ring); + notify_ring(engine); if (iir & (GT_CONTEXT_SWITCH_INTERRUPT << test_shift)) - intel_lrc_irq_handler(ring); + tasklet_schedule(&engine->irq_tasklet); } -static irqreturn_t gen8_gt_irq_handler(struct drm_i915_private *dev_priv, - u32 master_ctl) +static irqreturn_t gen8_gt_irq_ack(struct drm_i915_private *dev_priv, + u32 master_ctl, + u32 gt_iir[4]) { irqreturn_t ret = IRQ_NONE; if (master_ctl & (GEN8_GT_RCS_IRQ | GEN8_GT_BCS_IRQ)) { - u32 iir = I915_READ_FW(GEN8_GT_IIR(0)); - if (iir) { - I915_WRITE_FW(GEN8_GT_IIR(0), iir); + gt_iir[0] = I915_READ_FW(GEN8_GT_IIR(0)); + if (gt_iir[0]) { + I915_WRITE_FW(GEN8_GT_IIR(0), gt_iir[0]); ret = IRQ_HANDLED; - - gen8_cs_irq_handler(&dev_priv->ring[RCS], - iir, GEN8_RCS_IRQ_SHIFT); - - gen8_cs_irq_handler(&dev_priv->ring[BCS], - iir, GEN8_BCS_IRQ_SHIFT); } else DRM_ERROR("The master control interrupt lied (GT0)!\n"); } if (master_ctl & (GEN8_GT_VCS1_IRQ | GEN8_GT_VCS2_IRQ)) { - u32 iir = I915_READ_FW(GEN8_GT_IIR(1)); - if (iir) { - I915_WRITE_FW(GEN8_GT_IIR(1), iir); + gt_iir[1] = I915_READ_FW(GEN8_GT_IIR(1)); + if (gt_iir[1]) { + I915_WRITE_FW(GEN8_GT_IIR(1), gt_iir[1]); ret = IRQ_HANDLED; - - gen8_cs_irq_handler(&dev_priv->ring[VCS], - iir, GEN8_VCS1_IRQ_SHIFT); - - gen8_cs_irq_handler(&dev_priv->ring[VCS2], - iir, GEN8_VCS2_IRQ_SHIFT); } else DRM_ERROR("The master control interrupt lied (GT1)!\n"); } if (master_ctl & GEN8_GT_VECS_IRQ) { - u32 iir = I915_READ_FW(GEN8_GT_IIR(3)); - if (iir) { - I915_WRITE_FW(GEN8_GT_IIR(3), iir); + gt_iir[3] = I915_READ_FW(GEN8_GT_IIR(3)); + if (gt_iir[3]) { + I915_WRITE_FW(GEN8_GT_IIR(3), gt_iir[3]); ret = IRQ_HANDLED; - - gen8_cs_irq_handler(&dev_priv->ring[VECS], - iir, GEN8_VECS_IRQ_SHIFT); } else DRM_ERROR("The master control interrupt lied (GT3)!\n"); } if (master_ctl & GEN8_GT_PM_IRQ) { - u32 iir = I915_READ_FW(GEN8_GT_IIR(2)); - if (iir & dev_priv->pm_rps_events) { + gt_iir[2] = I915_READ_FW(GEN8_GT_IIR(2)); + if (gt_iir[2] & dev_priv->pm_rps_events) { I915_WRITE_FW(GEN8_GT_IIR(2), - iir & dev_priv->pm_rps_events); + gt_iir[2] & dev_priv->pm_rps_events); ret = IRQ_HANDLED; - gen6_rps_irq_handler(dev_priv, iir); } else DRM_ERROR("The master control interrupt lied (PM)!\n"); } @@ -1388,6 +1337,31 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_i915_private *dev_priv, return ret; } +static void gen8_gt_irq_handler(struct drm_i915_private *dev_priv, + u32 gt_iir[4]) +{ + if (gt_iir[0]) { + gen8_cs_irq_handler(&dev_priv->engine[RCS], + gt_iir[0], GEN8_RCS_IRQ_SHIFT); + gen8_cs_irq_handler(&dev_priv->engine[BCS], + gt_iir[0], GEN8_BCS_IRQ_SHIFT); + } + + if (gt_iir[1]) { + gen8_cs_irq_handler(&dev_priv->engine[VCS], + gt_iir[1], GEN8_VCS1_IRQ_SHIFT); + gen8_cs_irq_handler(&dev_priv->engine[VCS2], + gt_iir[1], GEN8_VCS2_IRQ_SHIFT); + } + + if (gt_iir[3]) + gen8_cs_irq_handler(&dev_priv->engine[VECS], + gt_iir[3], GEN8_VECS_IRQ_SHIFT); + + if (gt_iir[2] & dev_priv->pm_rps_events) + gen6_rps_irq_handler(dev_priv, gt_iir[2]); +} + static bool bxt_port_hotplug_long_detect(enum port port, u32 val) { switch (port) { @@ -1499,27 +1473,23 @@ static void intel_get_hpd_pins(u32 *pin_mask, u32 *long_mask, } -static void gmbus_irq_handler(struct drm_device *dev) +static void gmbus_irq_handler(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - wake_up_all(&dev_priv->gmbus_wait_queue); } -static void dp_aux_irq_handler(struct drm_device *dev) +static void dp_aux_irq_handler(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - wake_up_all(&dev_priv->gmbus_wait_queue); } #if defined(CONFIG_DEBUG_FS) -static void display_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe, +static void display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, + enum pipe pipe, uint32_t crc0, uint32_t crc1, uint32_t crc2, uint32_t crc3, uint32_t crc4) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; struct intel_pipe_crc_entry *entry; int head, tail; @@ -1543,7 +1513,8 @@ static void display_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe, entry = &pipe_crc->entries[head]; - entry->frame = dev->driver->get_vblank_counter(dev, pipe); + entry->frame = dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, + pipe); entry->crc[0] = crc0; entry->crc[1] = crc1; entry->crc[2] = crc2; @@ -1559,27 +1530,26 @@ static void display_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe, } #else static inline void -display_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe, +display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, + enum pipe pipe, uint32_t crc0, uint32_t crc1, uint32_t crc2, uint32_t crc3, uint32_t crc4) {} #endif -static void hsw_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe) +static void hsw_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, + enum pipe pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; - - display_pipe_crc_irq_handler(dev, pipe, + display_pipe_crc_irq_handler(dev_priv, pipe, I915_READ(PIPE_CRC_RES_1_IVB(pipe)), 0, 0, 0, 0); } -static void ivb_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe) +static void ivb_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, + enum pipe pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; - - display_pipe_crc_irq_handler(dev, pipe, + display_pipe_crc_irq_handler(dev_priv, pipe, I915_READ(PIPE_CRC_RES_1_IVB(pipe)), I915_READ(PIPE_CRC_RES_2_IVB(pipe)), I915_READ(PIPE_CRC_RES_3_IVB(pipe)), @@ -1587,22 +1557,22 @@ static void ivb_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe) I915_READ(PIPE_CRC_RES_5_IVB(pipe))); } -static void i9xx_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe) +static void i9xx_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, + enum pipe pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; uint32_t res1, res2; - if (INTEL_INFO(dev)->gen >= 3) + if (INTEL_GEN(dev_priv) >= 3) res1 = I915_READ(PIPE_CRC_RES_RES1_I915(pipe)); else res1 = 0; - if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) + if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) res2 = I915_READ(PIPE_CRC_RES_RES2_G4X(pipe)); else res2 = 0; - display_pipe_crc_irq_handler(dev, pipe, + display_pipe_crc_irq_handler(dev_priv, pipe, I915_READ(PIPE_CRC_RES_RED(pipe)), I915_READ(PIPE_CRC_RES_GREEN(pipe)), I915_READ(PIPE_CRC_RES_BLUE(pipe)), @@ -1619,7 +1589,7 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) gen6_disable_pm_irq(dev_priv, pm_iir & dev_priv->pm_rps_events); if (dev_priv->rps.interrupts_enabled) { dev_priv->rps.pm_iir |= pm_iir & dev_priv->pm_rps_events; - queue_work(dev_priv->wq, &dev_priv->rps.work); + schedule_work(&dev_priv->rps.work); } spin_unlock(&dev_priv->irq_lock); } @@ -1627,27 +1597,30 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) if (INTEL_INFO(dev_priv)->gen >= 8) return; - if (HAS_VEBOX(dev_priv->dev)) { + if (HAS_VEBOX(dev_priv)) { if (pm_iir & PM_VEBOX_USER_INTERRUPT) - notify_ring(&dev_priv->ring[VECS]); + notify_ring(&dev_priv->engine[VECS]); if (pm_iir & PM_VEBOX_CS_ERROR_INTERRUPT) DRM_DEBUG("Command parser error, pm_iir 0x%08x\n", pm_iir); } } -static bool intel_pipe_handle_vblank(struct drm_device *dev, enum pipe pipe) +static bool intel_pipe_handle_vblank(struct drm_i915_private *dev_priv, + enum pipe pipe) { - if (!drm_handle_vblank(dev, pipe)) - return false; + bool ret; - return true; + ret = drm_handle_vblank(&dev_priv->drm, pipe); + if (ret) + intel_finish_page_flip_mmio(dev_priv, pipe); + + return ret; } -static void valleyview_pipestat_irq_handler(struct drm_device *dev, u32 iir) +static void valleyview_pipestat_irq_ack(struct drm_i915_private *dev_priv, + u32 iir, u32 pipe_stats[I915_MAX_PIPES]) { - struct drm_i915_private *dev_priv = dev->dev_private; - u32 pipe_stats[I915_MAX_PIPES] = { }; int pipe; spin_lock(&dev_priv->irq_lock); @@ -1701,45 +1674,49 @@ static void valleyview_pipestat_irq_handler(struct drm_device *dev, u32 iir) I915_WRITE(reg, pipe_stats[pipe]); } spin_unlock(&dev_priv->irq_lock); +} + +static void valleyview_pipestat_irq_handler(struct drm_i915_private *dev_priv, + u32 pipe_stats[I915_MAX_PIPES]) +{ + enum pipe pipe; for_each_pipe(dev_priv, pipe) { if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS && - intel_pipe_handle_vblank(dev, pipe)) - intel_check_page_flip(dev, pipe); + intel_pipe_handle_vblank(dev_priv, pipe)) + intel_check_page_flip(dev_priv, pipe); - if (pipe_stats[pipe] & PLANE_FLIP_DONE_INT_STATUS_VLV) { - intel_prepare_page_flip(dev, pipe); - intel_finish_page_flip(dev, pipe); - } + if (pipe_stats[pipe] & PLANE_FLIP_DONE_INT_STATUS_VLV) + intel_finish_page_flip_cs(dev_priv, pipe); if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS) - i9xx_pipe_crc_irq_handler(dev, pipe); + i9xx_pipe_crc_irq_handler(dev_priv, pipe); if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS) intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe); } if (pipe_stats[0] & PIPE_GMBUS_INTERRUPT_STATUS) - gmbus_irq_handler(dev); + gmbus_irq_handler(dev_priv); } -static void i9xx_hpd_irq_handler(struct drm_device *dev) +static u32 i9xx_hpd_irq_ack(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 hotplug_status = I915_READ(PORT_HOTPLUG_STAT); - u32 pin_mask = 0, long_mask = 0; - if (!hotplug_status) - return; + if (hotplug_status) + I915_WRITE(PORT_HOTPLUG_STAT, hotplug_status); - I915_WRITE(PORT_HOTPLUG_STAT, hotplug_status); - /* - * Make sure hotplug status is cleared before we clear IIR, or else we - * may miss hotplug events. - */ - POSTING_READ(PORT_HOTPLUG_STAT); + return hotplug_status; +} - if (IS_G4X(dev) || IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { +static void i9xx_hpd_irq_handler(struct drm_i915_private *dev_priv, + u32 hotplug_status) +{ + u32 pin_mask = 0, long_mask = 0; + + if (IS_G4X(dev_priv) || IS_VALLEYVIEW(dev_priv) || + IS_CHERRYVIEW(dev_priv)) { u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_G4X; if (hotplug_trigger) { @@ -1747,11 +1724,11 @@ static void i9xx_hpd_irq_handler(struct drm_device *dev) hotplug_trigger, hpd_status_g4x, i9xx_port_hotplug_long_detect); - intel_hpd_irq_handler(dev, pin_mask, long_mask); + intel_hpd_irq_handler(dev_priv, pin_mask, long_mask); } if (hotplug_status & DP_AUX_CHANNEL_MASK_INT_STATUS_G4X) - dp_aux_irq_handler(dev); + dp_aux_irq_handler(dev_priv); } else { u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_I915; @@ -1759,7 +1736,7 @@ static void i9xx_hpd_irq_handler(struct drm_device *dev) intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, hotplug_trigger, hpd_status_i915, i9xx_port_hotplug_long_detect); - intel_hpd_irq_handler(dev, pin_mask, long_mask); + intel_hpd_irq_handler(dev_priv, pin_mask, long_mask); } } } @@ -1767,8 +1744,7 @@ static void i9xx_hpd_irq_handler(struct drm_device *dev) static irqreturn_t valleyview_irq_handler(int irq, void *arg) { struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 iir, gt_iir, pm_iir; + struct drm_i915_private *dev_priv = to_i915(dev); irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -1777,40 +1753,72 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) /* IRQs are synced during runtime_suspend, we don't require a wakeref */ disable_rpm_wakeref_asserts(dev_priv); - while (true) { - /* Find, clear, then process each source of interrupt */ + do { + u32 iir, gt_iir, pm_iir; + u32 pipe_stats[I915_MAX_PIPES] = {}; + u32 hotplug_status = 0; + u32 ier = 0; gt_iir = I915_READ(GTIIR); - if (gt_iir) - I915_WRITE(GTIIR, gt_iir); - pm_iir = I915_READ(GEN6_PMIIR); - if (pm_iir) - I915_WRITE(GEN6_PMIIR, pm_iir); - iir = I915_READ(VLV_IIR); - if (iir) { - /* Consume port before clearing IIR or we'll miss events */ - if (iir & I915_DISPLAY_PORT_INTERRUPT) - i9xx_hpd_irq_handler(dev); - I915_WRITE(VLV_IIR, iir); - } if (gt_iir == 0 && pm_iir == 0 && iir == 0) - goto out; + break; ret = IRQ_HANDLED; + /* + * Theory on interrupt generation, based on empirical evidence: + * + * x = ((VLV_IIR & VLV_IER) || + * (((GT_IIR & GT_IER) || (GEN6_PMIIR & GEN6_PMIER)) && + * (VLV_MASTER_IER & MASTER_INTERRUPT_ENABLE))); + * + * A CPU interrupt will only be raised when 'x' has a 0->1 edge. + * Hence we clear MASTER_INTERRUPT_ENABLE and VLV_IER to + * guarantee the CPU interrupt will be raised again even if we + * don't end up clearing all the VLV_IIR, GT_IIR, GEN6_PMIIR + * bits this time around. + */ + I915_WRITE(VLV_MASTER_IER, 0); + ier = I915_READ(VLV_IER); + I915_WRITE(VLV_IER, 0); + if (gt_iir) - snb_gt_irq_handler(dev, dev_priv, gt_iir); + I915_WRITE(GTIIR, gt_iir); if (pm_iir) - gen6_rps_irq_handler(dev_priv, pm_iir); + I915_WRITE(GEN6_PMIIR, pm_iir); + + if (iir & I915_DISPLAY_PORT_INTERRUPT) + hotplug_status = i9xx_hpd_irq_ack(dev_priv); + /* Call regardless, as some status bits might not be * signalled in iir */ - valleyview_pipestat_irq_handler(dev, iir); - } + valleyview_pipestat_irq_ack(dev_priv, iir, pipe_stats); + + /* + * VLV_IIR is single buffered, and reflects the level + * from PIPESTAT/PORT_HOTPLUG_STAT, hence clear it last. + */ + if (iir) + I915_WRITE(VLV_IIR, iir); + + I915_WRITE(VLV_IER, ier); + I915_WRITE(VLV_MASTER_IER, MASTER_INTERRUPT_ENABLE); + POSTING_READ(VLV_MASTER_IER); + + if (gt_iir) + snb_gt_irq_handler(dev_priv, gt_iir); + if (pm_iir) + gen6_rps_irq_handler(dev_priv, pm_iir); + + if (hotplug_status) + i9xx_hpd_irq_handler(dev_priv, hotplug_status); + + valleyview_pipestat_irq_handler(dev_priv, pipe_stats); + } while (0); -out: enable_rpm_wakeref_asserts(dev_priv); return ret; @@ -1819,8 +1827,7 @@ out: static irqreturn_t cherryview_irq_handler(int irq, void *arg) { struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 master_ctl, iir; + struct drm_i915_private *dev_priv = to_i915(dev); irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -1829,7 +1836,13 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) /* IRQs are synced during runtime_suspend, we don't require a wakeref */ disable_rpm_wakeref_asserts(dev_priv); - for (;;) { + do { + u32 master_ctl, iir; + u32 gt_iir[4] = {}; + u32 pipe_stats[I915_MAX_PIPES] = {}; + u32 hotplug_status = 0; + u32 ier = 0; + master_ctl = I915_READ(GEN8_MASTER_IRQ) & ~GEN8_MASTER_IRQ_CONTROL; iir = I915_READ(VLV_IIR); @@ -1838,36 +1851,60 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) ret = IRQ_HANDLED; + /* + * Theory on interrupt generation, based on empirical evidence: + * + * x = ((VLV_IIR & VLV_IER) || + * ((GEN8_MASTER_IRQ & ~GEN8_MASTER_IRQ_CONTROL) && + * (GEN8_MASTER_IRQ & GEN8_MASTER_IRQ_CONTROL))); + * + * A CPU interrupt will only be raised when 'x' has a 0->1 edge. + * Hence we clear GEN8_MASTER_IRQ_CONTROL and VLV_IER to + * guarantee the CPU interrupt will be raised again even if we + * don't end up clearing all the VLV_IIR and GEN8_MASTER_IRQ_CONTROL + * bits this time around. + */ I915_WRITE(GEN8_MASTER_IRQ, 0); + ier = I915_READ(VLV_IER); + I915_WRITE(VLV_IER, 0); - /* Find, clear, then process each source of interrupt */ + gen8_gt_irq_ack(dev_priv, master_ctl, gt_iir); - if (iir) { - /* Consume port before clearing IIR or we'll miss events */ - if (iir & I915_DISPLAY_PORT_INTERRUPT) - i9xx_hpd_irq_handler(dev); - I915_WRITE(VLV_IIR, iir); - } - - gen8_gt_irq_handler(dev_priv, master_ctl); + if (iir & I915_DISPLAY_PORT_INTERRUPT) + hotplug_status = i9xx_hpd_irq_ack(dev_priv); /* Call regardless, as some status bits might not be * signalled in iir */ - valleyview_pipestat_irq_handler(dev, iir); + valleyview_pipestat_irq_ack(dev_priv, iir, pipe_stats); + + /* + * VLV_IIR is single buffered, and reflects the level + * from PIPESTAT/PORT_HOTPLUG_STAT, hence clear it last. + */ + if (iir) + I915_WRITE(VLV_IIR, iir); - I915_WRITE(GEN8_MASTER_IRQ, DE_MASTER_IRQ_CONTROL); + I915_WRITE(VLV_IER, ier); + I915_WRITE(GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL); POSTING_READ(GEN8_MASTER_IRQ); - } + + gen8_gt_irq_handler(dev_priv, gt_iir); + + if (hotplug_status) + i9xx_hpd_irq_handler(dev_priv, hotplug_status); + + valleyview_pipestat_irq_handler(dev_priv, pipe_stats); + } while (0); enable_rpm_wakeref_asserts(dev_priv); return ret; } -static void ibx_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger, +static void ibx_hpd_irq_handler(struct drm_i915_private *dev_priv, + u32 hotplug_trigger, const u32 hpd[HPD_NUM_PINS]) { - struct drm_i915_private *dev_priv = to_i915(dev); u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0; /* @@ -1893,16 +1930,15 @@ static void ibx_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger, dig_hotplug_reg, hpd, pch_port_hotplug_long_detect); - intel_hpd_irq_handler(dev, pin_mask, long_mask); + intel_hpd_irq_handler(dev_priv, pin_mask, long_mask); } -static void ibx_irq_handler(struct drm_device *dev, u32 pch_iir) +static void ibx_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir) { - struct drm_i915_private *dev_priv = dev->dev_private; int pipe; u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK; - ibx_hpd_irq_handler(dev, hotplug_trigger, hpd_ibx); + ibx_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ibx); if (pch_iir & SDE_AUDIO_POWER_MASK) { int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK) >> @@ -1912,10 +1948,10 @@ static void ibx_irq_handler(struct drm_device *dev, u32 pch_iir) } if (pch_iir & SDE_AUX_MASK) - dp_aux_irq_handler(dev); + dp_aux_irq_handler(dev_priv); if (pch_iir & SDE_GMBUS) - gmbus_irq_handler(dev); + gmbus_irq_handler(dev_priv); if (pch_iir & SDE_AUDIO_HDCP_MASK) DRM_DEBUG_DRIVER("PCH HDCP audio interrupt\n"); @@ -1945,9 +1981,8 @@ static void ibx_irq_handler(struct drm_device *dev, u32 pch_iir) intel_pch_fifo_underrun_irq_handler(dev_priv, TRANSCODER_B); } -static void ivb_err_int_handler(struct drm_device *dev) +static void ivb_err_int_handler(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 err_int = I915_READ(GEN7_ERR_INT); enum pipe pipe; @@ -1959,19 +1994,18 @@ static void ivb_err_int_handler(struct drm_device *dev) intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe); if (err_int & ERR_INT_PIPE_CRC_DONE(pipe)) { - if (IS_IVYBRIDGE(dev)) - ivb_pipe_crc_irq_handler(dev, pipe); + if (IS_IVYBRIDGE(dev_priv)) + ivb_pipe_crc_irq_handler(dev_priv, pipe); else - hsw_pipe_crc_irq_handler(dev, pipe); + hsw_pipe_crc_irq_handler(dev_priv, pipe); } } I915_WRITE(GEN7_ERR_INT, err_int); } -static void cpt_serr_int_handler(struct drm_device *dev) +static void cpt_serr_int_handler(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 serr_int = I915_READ(SERR_INT); if (serr_int & SERR_INT_POISON) @@ -1989,13 +2023,12 @@ static void cpt_serr_int_handler(struct drm_device *dev) I915_WRITE(SERR_INT, serr_int); } -static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir) +static void cpt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir) { - struct drm_i915_private *dev_priv = dev->dev_private; int pipe; u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT; - ibx_hpd_irq_handler(dev, hotplug_trigger, hpd_cpt); + ibx_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_cpt); if (pch_iir & SDE_AUDIO_POWER_MASK_CPT) { int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK_CPT) >> @@ -2005,10 +2038,10 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir) } if (pch_iir & SDE_AUX_MASK_CPT) - dp_aux_irq_handler(dev); + dp_aux_irq_handler(dev_priv); if (pch_iir & SDE_GMBUS_CPT) - gmbus_irq_handler(dev); + gmbus_irq_handler(dev_priv); if (pch_iir & SDE_AUDIO_CP_REQ_CPT) DRM_DEBUG_DRIVER("Audio CP request interrupt\n"); @@ -2023,12 +2056,11 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir) I915_READ(FDI_RX_IIR(pipe))); if (pch_iir & SDE_ERROR_CPT) - cpt_serr_int_handler(dev); + cpt_serr_int_handler(dev_priv); } -static void spt_irq_handler(struct drm_device *dev, u32 pch_iir) +static void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_SPT & ~SDE_PORTE_HOTPLUG_SPT; u32 hotplug2_trigger = pch_iir & SDE_PORTE_HOTPLUG_SPT; @@ -2057,16 +2089,16 @@ static void spt_irq_handler(struct drm_device *dev, u32 pch_iir) } if (pin_mask) - intel_hpd_irq_handler(dev, pin_mask, long_mask); + intel_hpd_irq_handler(dev_priv, pin_mask, long_mask); if (pch_iir & SDE_GMBUS_CPT) - gmbus_irq_handler(dev); + gmbus_irq_handler(dev_priv); } -static void ilk_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger, +static void ilk_hpd_irq_handler(struct drm_i915_private *dev_priv, + u32 hotplug_trigger, const u32 hpd[HPD_NUM_PINS]) { - struct drm_i915_private *dev_priv = to_i915(dev); u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0; dig_hotplug_reg = I915_READ(DIGITAL_PORT_HOTPLUG_CNTRL); @@ -2076,97 +2108,93 @@ static void ilk_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger, dig_hotplug_reg, hpd, ilk_port_hotplug_long_detect); - intel_hpd_irq_handler(dev, pin_mask, long_mask); + intel_hpd_irq_handler(dev_priv, pin_mask, long_mask); } -static void ilk_display_irq_handler(struct drm_device *dev, u32 de_iir) +static void ilk_display_irq_handler(struct drm_i915_private *dev_priv, + u32 de_iir) { - struct drm_i915_private *dev_priv = dev->dev_private; enum pipe pipe; u32 hotplug_trigger = de_iir & DE_DP_A_HOTPLUG; if (hotplug_trigger) - ilk_hpd_irq_handler(dev, hotplug_trigger, hpd_ilk); + ilk_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ilk); if (de_iir & DE_AUX_CHANNEL_A) - dp_aux_irq_handler(dev); + dp_aux_irq_handler(dev_priv); if (de_iir & DE_GSE) - intel_opregion_asle_intr(dev); + intel_opregion_asle_intr(dev_priv); if (de_iir & DE_POISON) DRM_ERROR("Poison interrupt\n"); for_each_pipe(dev_priv, pipe) { if (de_iir & DE_PIPE_VBLANK(pipe) && - intel_pipe_handle_vblank(dev, pipe)) - intel_check_page_flip(dev, pipe); + intel_pipe_handle_vblank(dev_priv, pipe)) + intel_check_page_flip(dev_priv, pipe); if (de_iir & DE_PIPE_FIFO_UNDERRUN(pipe)) intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe); if (de_iir & DE_PIPE_CRC_DONE(pipe)) - i9xx_pipe_crc_irq_handler(dev, pipe); + i9xx_pipe_crc_irq_handler(dev_priv, pipe); /* plane/pipes map 1:1 on ilk+ */ - if (de_iir & DE_PLANE_FLIP_DONE(pipe)) { - intel_prepare_page_flip(dev, pipe); - intel_finish_page_flip_plane(dev, pipe); - } + if (de_iir & DE_PLANE_FLIP_DONE(pipe)) + intel_finish_page_flip_cs(dev_priv, pipe); } /* check event from PCH */ if (de_iir & DE_PCH_EVENT) { u32 pch_iir = I915_READ(SDEIIR); - if (HAS_PCH_CPT(dev)) - cpt_irq_handler(dev, pch_iir); + if (HAS_PCH_CPT(dev_priv)) + cpt_irq_handler(dev_priv, pch_iir); else - ibx_irq_handler(dev, pch_iir); + ibx_irq_handler(dev_priv, pch_iir); /* should clear PCH hotplug event before clear CPU irq */ I915_WRITE(SDEIIR, pch_iir); } - if (IS_GEN5(dev) && de_iir & DE_PCU_EVENT) - ironlake_rps_change_irq_handler(dev); + if (IS_GEN5(dev_priv) && de_iir & DE_PCU_EVENT) + ironlake_rps_change_irq_handler(dev_priv); } -static void ivb_display_irq_handler(struct drm_device *dev, u32 de_iir) +static void ivb_display_irq_handler(struct drm_i915_private *dev_priv, + u32 de_iir) { - struct drm_i915_private *dev_priv = dev->dev_private; enum pipe pipe; u32 hotplug_trigger = de_iir & DE_DP_A_HOTPLUG_IVB; if (hotplug_trigger) - ilk_hpd_irq_handler(dev, hotplug_trigger, hpd_ivb); + ilk_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ivb); if (de_iir & DE_ERR_INT_IVB) - ivb_err_int_handler(dev); + ivb_err_int_handler(dev_priv); if (de_iir & DE_AUX_CHANNEL_A_IVB) - dp_aux_irq_handler(dev); + dp_aux_irq_handler(dev_priv); if (de_iir & DE_GSE_IVB) - intel_opregion_asle_intr(dev); + intel_opregion_asle_intr(dev_priv); for_each_pipe(dev_priv, pipe) { if (de_iir & (DE_PIPE_VBLANK_IVB(pipe)) && - intel_pipe_handle_vblank(dev, pipe)) - intel_check_page_flip(dev, pipe); + intel_pipe_handle_vblank(dev_priv, pipe)) + intel_check_page_flip(dev_priv, pipe); /* plane/pipes map 1:1 on ilk+ */ - if (de_iir & DE_PLANE_FLIP_DONE_IVB(pipe)) { - intel_prepare_page_flip(dev, pipe); - intel_finish_page_flip_plane(dev, pipe); - } + if (de_iir & DE_PLANE_FLIP_DONE_IVB(pipe)) + intel_finish_page_flip_cs(dev_priv, pipe); } /* check event from PCH */ - if (!HAS_PCH_NOP(dev) && (de_iir & DE_PCH_EVENT_IVB)) { + if (!HAS_PCH_NOP(dev_priv) && (de_iir & DE_PCH_EVENT_IVB)) { u32 pch_iir = I915_READ(SDEIIR); - cpt_irq_handler(dev, pch_iir); + cpt_irq_handler(dev_priv, pch_iir); /* clear PCH hotplug event before clear CPU irq */ I915_WRITE(SDEIIR, pch_iir); @@ -2184,7 +2212,7 @@ static void ivb_display_irq_handler(struct drm_device *dev, u32 de_iir) static irqreturn_t ironlake_irq_handler(int irq, void *arg) { struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u32 de_iir, gt_iir, de_ier, sde_ier = 0; irqreturn_t ret = IRQ_NONE; @@ -2204,7 +2232,7 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg) * able to process them after we restore SDEIER (as soon as we restore * it, we'll get an interrupt if SDEIIR still has something to process * due to its back queue). */ - if (!HAS_PCH_NOP(dev)) { + if (!HAS_PCH_NOP(dev_priv)) { sde_ier = I915_READ(SDEIER); I915_WRITE(SDEIER, 0); POSTING_READ(SDEIER); @@ -2216,23 +2244,23 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg) if (gt_iir) { I915_WRITE(GTIIR, gt_iir); ret = IRQ_HANDLED; - if (INTEL_INFO(dev)->gen >= 6) - snb_gt_irq_handler(dev, dev_priv, gt_iir); + if (INTEL_GEN(dev_priv) >= 6) + snb_gt_irq_handler(dev_priv, gt_iir); else - ilk_gt_irq_handler(dev, dev_priv, gt_iir); + ilk_gt_irq_handler(dev_priv, gt_iir); } de_iir = I915_READ(DEIIR); if (de_iir) { I915_WRITE(DEIIR, de_iir); ret = IRQ_HANDLED; - if (INTEL_INFO(dev)->gen >= 7) - ivb_display_irq_handler(dev, de_iir); + if (INTEL_GEN(dev_priv) >= 7) + ivb_display_irq_handler(dev_priv, de_iir); else - ilk_display_irq_handler(dev, de_iir); + ilk_display_irq_handler(dev_priv, de_iir); } - if (INTEL_INFO(dev)->gen >= 6) { + if (INTEL_GEN(dev_priv) >= 6) { u32 pm_iir = I915_READ(GEN6_PMIIR); if (pm_iir) { I915_WRITE(GEN6_PMIIR, pm_iir); @@ -2243,7 +2271,7 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg) I915_WRITE(DEIER, de_ier); POSTING_READ(DEIER); - if (!HAS_PCH_NOP(dev)) { + if (!HAS_PCH_NOP(dev_priv)) { I915_WRITE(SDEIER, sde_ier); POSTING_READ(SDEIER); } @@ -2254,10 +2282,10 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg) return ret; } -static void bxt_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger, +static void bxt_hpd_irq_handler(struct drm_i915_private *dev_priv, + u32 hotplug_trigger, const u32 hpd[HPD_NUM_PINS]) { - struct drm_i915_private *dev_priv = to_i915(dev); u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0; dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG); @@ -2267,13 +2295,12 @@ static void bxt_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger, dig_hotplug_reg, hpd, bxt_port_hotplug_long_detect); - intel_hpd_irq_handler(dev, pin_mask, long_mask); + intel_hpd_irq_handler(dev_priv, pin_mask, long_mask); } static irqreturn_t gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) { - struct drm_device *dev = dev_priv->dev; irqreturn_t ret = IRQ_NONE; u32 iir; enum pipe pipe; @@ -2284,7 +2311,7 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) I915_WRITE(GEN8_DE_MISC_IIR, iir); ret = IRQ_HANDLED; if (iir & GEN8_DE_MISC_GSE) - intel_opregion_asle_intr(dev); + intel_opregion_asle_intr(dev_priv); else DRM_ERROR("Unexpected DE Misc interrupt\n"); } @@ -2308,26 +2335,28 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) GEN9_AUX_CHANNEL_D; if (iir & tmp_mask) { - dp_aux_irq_handler(dev); + dp_aux_irq_handler(dev_priv); found = true; } if (IS_BROXTON(dev_priv)) { tmp_mask = iir & BXT_DE_PORT_HOTPLUG_MASK; if (tmp_mask) { - bxt_hpd_irq_handler(dev, tmp_mask, hpd_bxt); + bxt_hpd_irq_handler(dev_priv, tmp_mask, + hpd_bxt); found = true; } } else if (IS_BROADWELL(dev_priv)) { tmp_mask = iir & GEN8_PORT_DP_A_HOTPLUG; if (tmp_mask) { - ilk_hpd_irq_handler(dev, tmp_mask, hpd_bdw); + ilk_hpd_irq_handler(dev_priv, + tmp_mask, hpd_bdw); found = true; } } - if (IS_BROXTON(dev) && (iir & BXT_DE_PORT_GMBUS)) { - gmbus_irq_handler(dev); + if (IS_BROXTON(dev_priv) && (iir & BXT_DE_PORT_GMBUS)) { + gmbus_irq_handler(dev_priv); found = true; } @@ -2354,8 +2383,8 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) I915_WRITE(GEN8_DE_PIPE_IIR(pipe), iir); if (iir & GEN8_PIPE_VBLANK && - intel_pipe_handle_vblank(dev, pipe)) - intel_check_page_flip(dev, pipe); + intel_pipe_handle_vblank(dev_priv, pipe)) + intel_check_page_flip(dev_priv, pipe); flip_done = iir; if (INTEL_INFO(dev_priv)->gen >= 9) @@ -2363,13 +2392,11 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) else flip_done &= GEN8_PIPE_PRIMARY_FLIP_DONE; - if (flip_done) { - intel_prepare_page_flip(dev, pipe); - intel_finish_page_flip_plane(dev, pipe); - } + if (flip_done) + intel_finish_page_flip_cs(dev_priv, pipe); if (iir & GEN8_PIPE_CDCLK_CRC_DONE) - hsw_pipe_crc_irq_handler(dev, pipe); + hsw_pipe_crc_irq_handler(dev_priv, pipe); if (iir & GEN8_PIPE_FIFO_UNDERRUN) intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe); @@ -2386,7 +2413,7 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) fault_errors); } - if (HAS_PCH_SPLIT(dev) && !HAS_PCH_NOP(dev) && + if (HAS_PCH_SPLIT(dev_priv) && !HAS_PCH_NOP(dev_priv) && master_ctl & GEN8_DE_PCH_IRQ) { /* * FIXME(BDW): Assume for now that the new interrupt handling @@ -2398,10 +2425,10 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) I915_WRITE(SDEIIR, iir); ret = IRQ_HANDLED; - if (HAS_PCH_SPT(dev_priv)) - spt_irq_handler(dev, iir); + if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv)) + spt_irq_handler(dev_priv, iir); else - cpt_irq_handler(dev, iir); + cpt_irq_handler(dev_priv, iir); } else { /* * Like on previous PCH there seems to be something @@ -2417,8 +2444,9 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) static irqreturn_t gen8_irq_handler(int irq, void *arg) { struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u32 master_ctl; + u32 gt_iir[4] = {}; irqreturn_t ret; if (!intel_irqs_enabled(dev_priv)) @@ -2435,7 +2463,8 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) disable_rpm_wakeref_asserts(dev_priv); /* Find, clear, then process each source of interrupt */ - ret = gen8_gt_irq_handler(dev_priv, master_ctl); + ret = gen8_gt_irq_ack(dev_priv, master_ctl, gt_iir); + gen8_gt_irq_handler(dev_priv, gt_iir); ret |= gen8_de_irq_handler(dev_priv, master_ctl); I915_WRITE_FW(GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL); @@ -2446,12 +2475,8 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) return ret; } -static void i915_error_wake_up(struct drm_i915_private *dev_priv, - bool reset_completed) +static void i915_error_wake_up(struct drm_i915_private *dev_priv) { - struct intel_engine_cs *ring; - int i; - /* * Notify all waiters for GPU completion events that reset state has * been changed, and that they need to restart their wait after @@ -2460,37 +2485,28 @@ static void i915_error_wake_up(struct drm_i915_private *dev_priv, */ /* Wake up __wait_seqno, potentially holding dev->struct_mutex. */ - for_each_ring(ring, dev_priv, i) - wake_up_all(&ring->irq_queue); + wake_up_all(&dev_priv->gpu_error.wait_queue); /* Wake up intel_crtc_wait_for_pending_flips, holding crtc->mutex. */ wake_up_all(&dev_priv->pending_flip_queue); - - /* - * Signal tasks blocked in i915_gem_wait_for_error that the pending - * reset state is cleared. - */ - if (reset_completed) - wake_up_all(&dev_priv->gpu_error.reset_queue); } /** * i915_reset_and_wakeup - do process context error handling work - * @dev: drm device + * @dev_priv: i915 device private * * Fire an error uevent so userspace can see that a hang or error * was detected. */ -static void i915_reset_and_wakeup(struct drm_device *dev) +static void i915_reset_and_wakeup(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); - struct i915_gpu_error *error = &dev_priv->gpu_error; + struct kobject *kobj = &dev_priv->drm.primary->kdev->kobj; char *error_event[] = { I915_ERROR_UEVENT "=1", NULL }; char *reset_event[] = { I915_RESET_UEVENT "=1", NULL }; char *reset_done_event[] = { I915_ERROR_UEVENT "=0", NULL }; int ret; - kobject_uevent_env(&dev->primary->kdev->kobj, KOBJ_CHANGE, error_event); + kobject_uevent_env(kobj, KOBJ_CHANGE, error_event); /* * Note that there's only one work item which does gpu resets, so we @@ -2502,10 +2518,9 @@ static void i915_reset_and_wakeup(struct drm_device *dev) * the reset in-progress bit is only ever set by code outside of this * work we don't need to worry about any other races. */ - if (i915_reset_in_progress(error) && !i915_terminally_wedged(error)) { + if (i915_reset_in_progress(&dev_priv->gpu_error)) { DRM_DEBUG_DRIVER("resetting chip\n"); - kobject_uevent_env(&dev->primary->kdev->kobj, KOBJ_CHANGE, - reset_event); + kobject_uevent_env(kobj, KOBJ_CHANGE, reset_event); /* * In most cases it's guaranteed that we get here with an RPM @@ -2516,7 +2531,7 @@ static void i915_reset_and_wakeup(struct drm_device *dev) */ intel_runtime_pm_get(dev_priv); - intel_prepare_reset(dev); + intel_prepare_reset(dev_priv); /* * All state reset _must_ be completed before we update the @@ -2524,43 +2539,26 @@ static void i915_reset_and_wakeup(struct drm_device *dev) * pending state and not properly drop locks, resulting in * deadlocks with the reset work. */ - ret = i915_reset(dev); + ret = i915_reset(dev_priv); - intel_finish_reset(dev); + intel_finish_reset(dev_priv); intel_runtime_pm_put(dev_priv); - if (ret == 0) { - /* - * After all the gem state is reset, increment the reset - * counter and wake up everyone waiting for the reset to - * complete. - * - * Since unlock operations are a one-sided barrier only, - * we need to insert a barrier here to order any seqno - * updates before - * the counter increment. - */ - smp_mb__before_atomic(); - atomic_inc(&dev_priv->gpu_error.reset_counter); - - kobject_uevent_env(&dev->primary->kdev->kobj, + if (ret == 0) + kobject_uevent_env(kobj, KOBJ_CHANGE, reset_done_event); - } else { - atomic_or(I915_WEDGED, &error->reset_counter); - } /* * Note: The wake_up also serves as a memory barrier so that * waiters see the update value of the reset counter atomic_t. */ - i915_error_wake_up(dev_priv, true); + wake_up_all(&dev_priv->gpu_error.reset_queue); } } -static void i915_report_and_clear_eir(struct drm_device *dev) +static void i915_report_and_clear_eir(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; uint32_t instdone[I915_NUM_INSTDONE_REG]; u32 eir = I915_READ(EIR); int pipe, i; @@ -2570,9 +2568,9 @@ static void i915_report_and_clear_eir(struct drm_device *dev) pr_err("render error detected, EIR: 0x%08x\n", eir); - i915_get_extra_instdone(dev, instdone); + i915_get_extra_instdone(dev_priv, instdone); - if (IS_G4X(dev)) { + if (IS_G4X(dev_priv)) { if (eir & (GM45_ERROR_MEM_PRIV | GM45_ERROR_CP_PRIV)) { u32 ipeir = I915_READ(IPEIR_I965); @@ -2594,7 +2592,7 @@ static void i915_report_and_clear_eir(struct drm_device *dev) } } - if (!IS_GEN2(dev)) { + if (!IS_GEN2(dev_priv)) { if (eir & I915_ERROR_PAGE_TABLE) { u32 pgtbl_err = I915_READ(PGTBL_ER); pr_err("page table error\n"); @@ -2616,7 +2614,7 @@ static void i915_report_and_clear_eir(struct drm_device *dev) pr_err(" INSTPM: 0x%08x\n", I915_READ(INSTPM)); for (i = 0; i < ARRAY_SIZE(instdone); i++) pr_err(" INSTDONE_%d: 0x%08x\n", i, instdone[i]); - if (INTEL_INFO(dev)->gen < 4) { + if (INTEL_GEN(dev_priv) < 4) { u32 ipeir = I915_READ(IPEIR); pr_err(" IPEIR: 0x%08x\n", I915_READ(IPEIR)); @@ -2652,18 +2650,19 @@ static void i915_report_and_clear_eir(struct drm_device *dev) /** * i915_handle_error - handle a gpu error - * @dev: drm device - * + * @dev_priv: i915 device private + * @engine_mask: mask representing engines that are hung * Do some basic checking of register state at error time and * dump it to the syslog. Also call i915_capture_error_state() to make * sure we get a record and make it available in debugfs. Fire a uevent * so userspace knows something bad happened (should trigger collection * of a ring dump etc.). + * @fmt: Error message format string */ -void i915_handle_error(struct drm_device *dev, bool wedged, +void i915_handle_error(struct drm_i915_private *dev_priv, + u32 engine_mask, const char *fmt, ...) { - struct drm_i915_private *dev_priv = dev->dev_private; va_list args; char error_msg[80]; @@ -2671,10 +2670,10 @@ void i915_handle_error(struct drm_device *dev, bool wedged, vscnprintf(error_msg, sizeof(error_msg), fmt, args); va_end(args); - i915_capture_error_state(dev, wedged, error_msg); - i915_report_and_clear_eir(dev); + i915_capture_error_state(dev_priv, engine_mask, error_msg); + i915_report_and_clear_eir(dev_priv); - if (wedged) { + if (engine_mask) { atomic_or(I915_RESET_IN_PROGRESS_FLAG, &dev_priv->gpu_error.reset_counter); @@ -2691,10 +2690,10 @@ void i915_handle_error(struct drm_device *dev, bool wedged, * ensure that the waiters see the updated value of the reset * counter atomic_t. */ - i915_error_wake_up(dev_priv, false); + i915_error_wake_up(dev_priv); } - i915_reset_and_wakeup(dev); + i915_reset_and_wakeup(dev_priv); } /* Called from drm generic code, passed 'crtc' which @@ -2702,7 +2701,7 @@ void i915_handle_error(struct drm_device *dev, bool wedged, */ static int i915_enable_vblank(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -2719,7 +2718,7 @@ static int i915_enable_vblank(struct drm_device *dev, unsigned int pipe) static int ironlake_enable_vblank(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); unsigned long irqflags; uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) : DE_PIPE_VBLANK(pipe); @@ -2733,7 +2732,7 @@ static int ironlake_enable_vblank(struct drm_device *dev, unsigned int pipe) static int valleyview_enable_vblank(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -2746,7 +2745,7 @@ static int valleyview_enable_vblank(struct drm_device *dev, unsigned int pipe) static int gen8_enable_vblank(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -2761,7 +2760,7 @@ static int gen8_enable_vblank(struct drm_device *dev, unsigned int pipe) */ static void i915_disable_vblank(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -2773,7 +2772,7 @@ static void i915_disable_vblank(struct drm_device *dev, unsigned int pipe) static void ironlake_disable_vblank(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); unsigned long irqflags; uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) : DE_PIPE_VBLANK(pipe); @@ -2785,7 +2784,7 @@ static void ironlake_disable_vblank(struct drm_device *dev, unsigned int pipe) static void valleyview_disable_vblank(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -2796,7 +2795,7 @@ static void valleyview_disable_vblank(struct drm_device *dev, unsigned int pipe) static void gen8_disable_vblank(struct drm_device *dev, unsigned int pipe) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -2805,16 +2804,16 @@ static void gen8_disable_vblank(struct drm_device *dev, unsigned int pipe) } static bool -ring_idle(struct intel_engine_cs *ring, u32 seqno) +ring_idle(struct intel_engine_cs *engine, u32 seqno) { - return (list_empty(&ring->request_list) || - i915_seqno_passed(seqno, ring->last_submitted_seqno)); + return i915_seqno_passed(seqno, + READ_ONCE(engine->last_submitted_seqno)); } static bool -ipehr_is_semaphore_wait(struct drm_device *dev, u32 ipehr) +ipehr_is_semaphore_wait(struct intel_engine_cs *engine, u32 ipehr) { - if (INTEL_INFO(dev)->gen >= 8) { + if (INTEL_GEN(engine->i915) >= 8) { return (ipehr >> 23) == 0x1c; } else { ipehr &= ~MI_SEMAPHORE_SYNC_MASK; @@ -2824,42 +2823,42 @@ ipehr_is_semaphore_wait(struct drm_device *dev, u32 ipehr) } static struct intel_engine_cs * -semaphore_wait_to_signaller_ring(struct intel_engine_cs *ring, u32 ipehr, u64 offset) +semaphore_wait_to_signaller_ring(struct intel_engine_cs *engine, u32 ipehr, + u64 offset) { - struct drm_i915_private *dev_priv = ring->dev->dev_private; + struct drm_i915_private *dev_priv = engine->i915; struct intel_engine_cs *signaller; - int i; - if (INTEL_INFO(dev_priv->dev)->gen >= 8) { - for_each_ring(signaller, dev_priv, i) { - if (ring == signaller) + if (INTEL_GEN(dev_priv) >= 8) { + for_each_engine(signaller, dev_priv) { + if (engine == signaller) continue; - if (offset == signaller->semaphore.signal_ggtt[ring->id]) + if (offset == signaller->semaphore.signal_ggtt[engine->id]) return signaller; } } else { u32 sync_bits = ipehr & MI_SEMAPHORE_SYNC_MASK; - for_each_ring(signaller, dev_priv, i) { - if(ring == signaller) + for_each_engine(signaller, dev_priv) { + if(engine == signaller) continue; - if (sync_bits == signaller->semaphore.mbox.wait[ring->id]) + if (sync_bits == signaller->semaphore.mbox.wait[engine->id]) return signaller; } } DRM_ERROR("No signaller ring found for ring %i, ipehr 0x%08x, offset 0x%016llx\n", - ring->id, ipehr, offset); + engine->id, ipehr, offset); return NULL; } static struct intel_engine_cs * -semaphore_waits_for(struct intel_engine_cs *ring, u32 *seqno) +semaphore_waits_for(struct intel_engine_cs *engine, u32 *seqno) { - struct drm_i915_private *dev_priv = ring->dev->dev_private; + struct drm_i915_private *dev_priv = engine->i915; u32 cmd, ipehr, head; u64 offset = 0; int i, backwards; @@ -2881,11 +2880,11 @@ semaphore_waits_for(struct intel_engine_cs *ring, u32 *seqno) * Therefore, this function does not support execlist mode in its * current form. Just return NULL and move on. */ - if (ring->buffer == NULL) + if (engine->buffer == NULL) return NULL; - ipehr = I915_READ(RING_IPEHR(ring->mmio_base)); - if (!ipehr_is_semaphore_wait(ring->dev, ipehr)) + ipehr = I915_READ(RING_IPEHR(engine->mmio_base)); + if (!ipehr_is_semaphore_wait(engine, ipehr)) return NULL; /* @@ -2896,8 +2895,8 @@ semaphore_waits_for(struct intel_engine_cs *ring, u32 *seqno) * point at at batch, and semaphores are always emitted into the * ringbuffer itself. */ - head = I915_READ_HEAD(ring) & HEAD_ADDR; - backwards = (INTEL_INFO(ring->dev)->gen >= 8) ? 5 : 4; + head = I915_READ_HEAD(engine) & HEAD_ADDR; + backwards = (INTEL_GEN(dev_priv) >= 8) ? 5 : 4; for (i = backwards; i; --i) { /* @@ -2905,10 +2904,10 @@ semaphore_waits_for(struct intel_engine_cs *ring, u32 *seqno) * our ring is smaller than what the hardware (and hence * HEAD_ADDR) allows. Also handles wrap-around. */ - head &= ring->buffer->size - 1; + head &= engine->buffer->size - 1; /* This here seems to blow up */ - cmd = ioread32(ring->buffer->virtual_start + head); + cmd = ioread32(engine->buffer->virtual_start + head); if (cmd == ipehr) break; @@ -2918,32 +2917,32 @@ semaphore_waits_for(struct intel_engine_cs *ring, u32 *seqno) if (!i) return NULL; - *seqno = ioread32(ring->buffer->virtual_start + head + 4) + 1; - if (INTEL_INFO(ring->dev)->gen >= 8) { - offset = ioread32(ring->buffer->virtual_start + head + 12); + *seqno = ioread32(engine->buffer->virtual_start + head + 4) + 1; + if (INTEL_GEN(dev_priv) >= 8) { + offset = ioread32(engine->buffer->virtual_start + head + 12); offset <<= 32; - offset = ioread32(ring->buffer->virtual_start + head + 8); + offset = ioread32(engine->buffer->virtual_start + head + 8); } - return semaphore_wait_to_signaller_ring(ring, ipehr, offset); + return semaphore_wait_to_signaller_ring(engine, ipehr, offset); } -static int semaphore_passed(struct intel_engine_cs *ring) +static int semaphore_passed(struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv = ring->dev->dev_private; + struct drm_i915_private *dev_priv = engine->i915; struct intel_engine_cs *signaller; u32 seqno; - ring->hangcheck.deadlock++; + engine->hangcheck.deadlock++; - signaller = semaphore_waits_for(ring, &seqno); + signaller = semaphore_waits_for(engine, &seqno); if (signaller == NULL) return -1; /* Prevent pathological recursion due to driver bugs */ - if (signaller->hangcheck.deadlock >= I915_NUM_RINGS) + if (signaller->hangcheck.deadlock >= I915_NUM_ENGINES) return -1; - if (i915_seqno_passed(signaller->get_seqno(signaller, false), seqno)) + if (i915_seqno_passed(intel_engine_get_seqno(signaller), seqno)) return 1; /* cursory check for an unkickable deadlock */ @@ -2956,23 +2955,22 @@ static int semaphore_passed(struct intel_engine_cs *ring) static void semaphore_clear_deadlocks(struct drm_i915_private *dev_priv) { - struct intel_engine_cs *ring; - int i; + struct intel_engine_cs *engine; - for_each_ring(ring, dev_priv, i) - ring->hangcheck.deadlock = 0; + for_each_engine(engine, dev_priv) + engine->hangcheck.deadlock = 0; } -static bool subunits_stuck(struct intel_engine_cs *ring) +static bool subunits_stuck(struct intel_engine_cs *engine) { u32 instdone[I915_NUM_INSTDONE_REG]; bool stuck; int i; - if (ring->id != RCS) + if (engine->id != RCS) return true; - i915_get_extra_instdone(ring->dev, instdone); + i915_get_extra_instdone(engine->i915, instdone); /* There might be unstable subunit states even when * actual head is not moving. Filter out the unstable ones by @@ -2981,53 +2979,47 @@ static bool subunits_stuck(struct intel_engine_cs *ring) */ stuck = true; for (i = 0; i < I915_NUM_INSTDONE_REG; i++) { - const u32 tmp = instdone[i] | ring->hangcheck.instdone[i]; + const u32 tmp = instdone[i] | engine->hangcheck.instdone[i]; - if (tmp != ring->hangcheck.instdone[i]) + if (tmp != engine->hangcheck.instdone[i]) stuck = false; - ring->hangcheck.instdone[i] |= tmp; + engine->hangcheck.instdone[i] |= tmp; } return stuck; } static enum intel_ring_hangcheck_action -head_stuck(struct intel_engine_cs *ring, u64 acthd) +head_stuck(struct intel_engine_cs *engine, u64 acthd) { - if (acthd != ring->hangcheck.acthd) { + if (acthd != engine->hangcheck.acthd) { /* Clear subunit states on head movement */ - memset(ring->hangcheck.instdone, 0, - sizeof(ring->hangcheck.instdone)); - - if (acthd > ring->hangcheck.max_acthd) { - ring->hangcheck.max_acthd = acthd; - return HANGCHECK_ACTIVE; - } + memset(engine->hangcheck.instdone, 0, + sizeof(engine->hangcheck.instdone)); - return HANGCHECK_ACTIVE_LOOP; + return HANGCHECK_ACTIVE; } - if (!subunits_stuck(ring)) + if (!subunits_stuck(engine)) return HANGCHECK_ACTIVE; return HANGCHECK_HUNG; } static enum intel_ring_hangcheck_action -ring_stuck(struct intel_engine_cs *ring, u64 acthd) +ring_stuck(struct intel_engine_cs *engine, u64 acthd) { - struct drm_device *dev = ring->dev; - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = engine->i915; enum intel_ring_hangcheck_action ha; u32 tmp; - ha = head_stuck(ring, acthd); + ha = head_stuck(engine, acthd); if (ha != HANGCHECK_HUNG) return ha; - if (IS_GEN2(dev)) + if (IS_GEN2(dev_priv)) return HANGCHECK_HUNG; /* Is the chip hanging on a WAIT_FOR_EVENT? @@ -3035,24 +3027,24 @@ ring_stuck(struct intel_engine_cs *ring, u64 acthd) * and break the hang. This should work on * all but the second generation chipsets. */ - tmp = I915_READ_CTL(ring); + tmp = I915_READ_CTL(engine); if (tmp & RING_WAIT) { - i915_handle_error(dev, false, + i915_handle_error(dev_priv, 0, "Kicking stuck wait on %s", - ring->name); - I915_WRITE_CTL(ring, tmp); + engine->name); + I915_WRITE_CTL(engine, tmp); return HANGCHECK_KICK; } - if (INTEL_INFO(dev)->gen >= 6 && tmp & RING_WAIT_SEMAPHORE) { - switch (semaphore_passed(ring)) { + if (INTEL_GEN(dev_priv) >= 6 && tmp & RING_WAIT_SEMAPHORE) { + switch (semaphore_passed(engine)) { default: return HANGCHECK_HUNG; case 1: - i915_handle_error(dev, false, + i915_handle_error(dev_priv, 0, "Kicking stuck semaphore on %s", - ring->name); - I915_WRITE_CTL(ring, tmp); + engine->name); + I915_WRITE_CTL(engine, tmp); return HANGCHECK_KICK; case 0: return HANGCHECK_WAIT; @@ -3062,6 +3054,22 @@ ring_stuck(struct intel_engine_cs *ring, u64 acthd) return HANGCHECK_HUNG; } +static unsigned long kick_waiters(struct intel_engine_cs *engine) +{ + struct drm_i915_private *i915 = engine->i915; + unsigned long irq_count = READ_ONCE(engine->breadcrumbs.irq_wakeups); + + if (engine->hangcheck.user_interrupts == irq_count && + !test_and_set_bit(engine->id, &i915->gpu_error.missed_irq_rings)) { + if (!test_bit(engine->id, &i915->gpu_error.test_irq_rings)) + DRM_ERROR("Hangcheck timer elapsed... %s idle\n", + engine->name); + + intel_engine_enable_fake_irq(engine); + } + + return irq_count; +} /* * This is called when the chip hasn't reported back with completed * batchbuffers in a long time. We keep track per ring seqno progress and @@ -3075,24 +3083,19 @@ static void i915_hangcheck_elapsed(struct work_struct *work) struct drm_i915_private *dev_priv = container_of(work, typeof(*dev_priv), gpu_error.hangcheck_work.work); - struct drm_device *dev = dev_priv->dev; - struct intel_engine_cs *ring; - int i; - int busy_count = 0, rings_hung = 0; - bool stuck[I915_NUM_RINGS] = { 0 }; + struct intel_engine_cs *engine; + unsigned int hung = 0, stuck = 0; + int busy_count = 0; #define BUSY 1 #define KICK 5 #define HUNG 20 +#define ACTIVE_DECAY 15 if (!i915.enable_hangcheck) return; - /* - * The hangcheck work is synced during runtime suspend, we don't - * require a wakeref. TODO: instead of disabling the asserts make - * sure that we hold a reference when this work is running. - */ - DISABLE_RPM_WAKEREF_ASSERTS(dev_priv); + if (!READ_ONCE(dev_priv->gt.awake)) + return; /* As enabling the GPU requires fairly extensive mmio access, * periodically arm the mmio checker to see if we are triggering @@ -3100,35 +3103,38 @@ static void i915_hangcheck_elapsed(struct work_struct *work) */ intel_uncore_arm_unclaimed_mmio_detection(dev_priv); - for_each_ring(ring, dev_priv, i) { + for_each_engine(engine, dev_priv) { + bool busy = intel_engine_has_waiter(engine); u64 acthd; u32 seqno; - bool busy = true; + unsigned user_interrupts; semaphore_clear_deadlocks(dev_priv); - seqno = ring->get_seqno(ring, false); - acthd = intel_ring_get_active_head(ring); - - if (ring->hangcheck.seqno == seqno) { - if (ring_idle(ring, seqno)) { - ring->hangcheck.action = HANGCHECK_IDLE; - - if (waitqueue_active(&ring->irq_queue)) { - /* Issue a wake-up to catch stuck h/w. */ - if (!test_and_set_bit(ring->id, &dev_priv->gpu_error.missed_irq_rings)) { - if (!(dev_priv->gpu_error.test_irq_rings & intel_ring_flag(ring))) - DRM_ERROR("Hangcheck timer elapsed... %s idle\n", - ring->name); - else - DRM_INFO("Fake missed irq on %s\n", - ring->name); - wake_up_all(&ring->irq_queue); - } + /* We don't strictly need an irq-barrier here, as we are not + * serving an interrupt request, be paranoid in case the + * barrier has side-effects (such as preventing a broken + * cacheline snoop) and so be sure that we can see the seqno + * advance. If the seqno should stick, due to a stale + * cacheline, we would erroneously declare the GPU hung. + */ + if (engine->irq_seqno_barrier) + engine->irq_seqno_barrier(engine); + + acthd = intel_ring_get_active_head(engine); + seqno = intel_engine_get_seqno(engine); + + /* Reset stuck interrupts between batch advances */ + user_interrupts = 0; + + if (engine->hangcheck.seqno == seqno) { + if (ring_idle(engine, seqno)) { + engine->hangcheck.action = HANGCHECK_IDLE; + if (busy) { /* Safeguard against driver failure */ - ring->hangcheck.score += BUSY; - } else - busy = false; + user_interrupts = kick_waiters(engine); + engine->hangcheck.score += BUSY; + } } else { /* We always increment the hangcheck score * if the ring is busy and still processing @@ -3145,89 +3151,81 @@ static void i915_hangcheck_elapsed(struct work_struct *work) * being repeatedly kicked and so responsible * for stalling the machine. */ - ring->hangcheck.action = ring_stuck(ring, - acthd); + engine->hangcheck.action = ring_stuck(engine, + acthd); - switch (ring->hangcheck.action) { + switch (engine->hangcheck.action) { case HANGCHECK_IDLE: case HANGCHECK_WAIT: - case HANGCHECK_ACTIVE: break; - case HANGCHECK_ACTIVE_LOOP: - ring->hangcheck.score += BUSY; + case HANGCHECK_ACTIVE: + engine->hangcheck.score += BUSY; break; case HANGCHECK_KICK: - ring->hangcheck.score += KICK; + engine->hangcheck.score += KICK; break; case HANGCHECK_HUNG: - ring->hangcheck.score += HUNG; - stuck[i] = true; + engine->hangcheck.score += HUNG; break; } } + + if (engine->hangcheck.score >= HANGCHECK_SCORE_RING_HUNG) { + hung |= intel_engine_flag(engine); + if (engine->hangcheck.action != HANGCHECK_HUNG) + stuck |= intel_engine_flag(engine); + } } else { - ring->hangcheck.action = HANGCHECK_ACTIVE; + engine->hangcheck.action = HANGCHECK_ACTIVE; /* Gradually reduce the count so that we catch DoS * attempts across multiple batches. */ - if (ring->hangcheck.score > 0) - ring->hangcheck.score--; + if (engine->hangcheck.score > 0) + engine->hangcheck.score -= ACTIVE_DECAY; + if (engine->hangcheck.score < 0) + engine->hangcheck.score = 0; /* Clear head and subunit states on seqno movement */ - ring->hangcheck.acthd = ring->hangcheck.max_acthd = 0; + acthd = 0; - memset(ring->hangcheck.instdone, 0, - sizeof(ring->hangcheck.instdone)); + memset(engine->hangcheck.instdone, 0, + sizeof(engine->hangcheck.instdone)); } - ring->hangcheck.seqno = seqno; - ring->hangcheck.acthd = acthd; + engine->hangcheck.seqno = seqno; + engine->hangcheck.acthd = acthd; + engine->hangcheck.user_interrupts = user_interrupts; busy_count += busy; } - for_each_ring(ring, dev_priv, i) { - if (ring->hangcheck.score >= HANGCHECK_SCORE_RING_HUNG) { - DRM_INFO("%s on %s\n", - stuck[i] ? "stuck" : "no progress", - ring->name); - rings_hung++; - } - } + if (hung) { + char msg[80]; + int len; - if (rings_hung) { - i915_handle_error(dev, true, "Ring hung"); - goto out; + /* If some rings hung but others were still busy, only + * blame the hanging rings in the synopsis. + */ + if (stuck != hung) + hung &= ~stuck; + len = scnprintf(msg, sizeof(msg), + "%s on ", stuck == hung ? "No progress" : "Hang"); + for_each_engine_masked(engine, dev_priv, hung) + len += scnprintf(msg + len, sizeof(msg) - len, + "%s, ", engine->name); + msg[len-2] = '\0'; + + return i915_handle_error(dev_priv, hung, msg); } + /* Reset timer in case GPU hangs without another request being added */ if (busy_count) - /* Reset timer case chip hangs without another request - * being added */ - i915_queue_hangcheck(dev); - -out: - ENABLE_RPM_WAKEREF_ASSERTS(dev_priv); -} - -void i915_queue_hangcheck(struct drm_device *dev) -{ - struct i915_gpu_error *e = &to_i915(dev)->gpu_error; - - if (!i915.enable_hangcheck) - return; - - /* Don't continually defer the hangcheck so that it is always run at - * least once after work has been scheduled on any ring. Otherwise, - * we will ignore a hung ring if a second ring is kept busy. - */ - - queue_delayed_work(e->hangcheck_wq, &e->hangcheck_work, - round_jiffies_up_relative(DRM_I915_HANGCHECK_JIFFIES)); + i915_queue_hangcheck(dev_priv); } static void ibx_irq_reset(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); if (HAS_PCH_NOP(dev)) return; @@ -3248,7 +3246,7 @@ static void ibx_irq_reset(struct drm_device *dev) */ static void ibx_irq_pre_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); if (HAS_PCH_NOP(dev)) return; @@ -3260,18 +3258,67 @@ static void ibx_irq_pre_postinstall(struct drm_device *dev) static void gen5_gt_irq_reset(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); GEN5_IRQ_RESET(GT); if (INTEL_INFO(dev)->gen >= 6) GEN5_IRQ_RESET(GEN6_PM); } +static void vlv_display_irq_reset(struct drm_i915_private *dev_priv) +{ + enum pipe pipe; + + if (IS_CHERRYVIEW(dev_priv)) + I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK_CHV); + else + I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK); + + i915_hotplug_interrupt_update_locked(dev_priv, 0xffffffff, 0); + I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); + + for_each_pipe(dev_priv, pipe) { + I915_WRITE(PIPESTAT(pipe), + PIPE_FIFO_UNDERRUN_STATUS | + PIPESTAT_INT_STATUS_MASK); + dev_priv->pipestat_irq_mask[pipe] = 0; + } + + GEN5_IRQ_RESET(VLV_); + dev_priv->irq_mask = ~0; +} + +static void vlv_display_irq_postinstall(struct drm_i915_private *dev_priv) +{ + u32 pipestat_mask; + u32 enable_mask; + enum pipe pipe; + + pipestat_mask = PLANE_FLIP_DONE_INT_STATUS_VLV | + PIPE_CRC_DONE_INTERRUPT_STATUS; + + i915_enable_pipestat(dev_priv, PIPE_A, PIPE_GMBUS_INTERRUPT_STATUS); + for_each_pipe(dev_priv, pipe) + i915_enable_pipestat(dev_priv, pipe, pipestat_mask); + + enable_mask = I915_DISPLAY_PORT_INTERRUPT | + I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | + I915_DISPLAY_PIPE_B_EVENT_INTERRUPT; + if (IS_CHERRYVIEW(dev_priv)) + enable_mask |= I915_DISPLAY_PIPE_C_EVENT_INTERRUPT; + + WARN_ON(dev_priv->irq_mask != ~0); + + dev_priv->irq_mask = ~enable_mask; + + GEN5_IRQ_INIT(VLV_, dev_priv->irq_mask, enable_mask); +} + /* drm_dma.h hooks */ static void ironlake_irq_reset(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); I915_WRITE(HWSTAM, 0xffffffff); @@ -3284,34 +3331,19 @@ static void ironlake_irq_reset(struct drm_device *dev) ibx_irq_reset(dev); } -static void vlv_display_irq_reset(struct drm_i915_private *dev_priv) -{ - enum pipe pipe; - - i915_hotplug_interrupt_update(dev_priv, 0xFFFFFFFF, 0); - I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); - - for_each_pipe(dev_priv, pipe) - I915_WRITE(PIPESTAT(pipe), 0xffff); - - GEN5_IRQ_RESET(VLV_); -} - static void valleyview_irq_preinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); - /* VLV magic */ - I915_WRITE(VLV_IMR, 0); - I915_WRITE(RING_IMR(RENDER_RING_BASE), 0); - I915_WRITE(RING_IMR(GEN6_BSD_RING_BASE), 0); - I915_WRITE(RING_IMR(BLT_RING_BASE), 0); + I915_WRITE(VLV_MASTER_IER, 0); + POSTING_READ(VLV_MASTER_IER); gen5_gt_irq_reset(dev); - I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK); - - vlv_display_irq_reset(dev_priv); + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display_irqs_enabled) + vlv_display_irq_reset(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); } static void gen8_gt_irq_reset(struct drm_i915_private *dev_priv) @@ -3324,7 +3356,7 @@ static void gen8_gt_irq_reset(struct drm_i915_private *dev_priv) static void gen8_irq_reset(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); int pipe; I915_WRITE(GEN8_MASTER_IRQ, 0); @@ -3370,12 +3402,12 @@ void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, spin_unlock_irq(&dev_priv->irq_lock); /* make sure we're done processing display irqs */ - synchronize_irq(dev_priv->dev->irq); + synchronize_irq(dev_priv->drm.irq); } static void cherryview_irq_preinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); I915_WRITE(GEN8_MASTER_IRQ, 0); POSTING_READ(GEN8_MASTER_IRQ); @@ -3384,36 +3416,35 @@ static void cherryview_irq_preinstall(struct drm_device *dev) GEN5_IRQ_RESET(GEN8_PCU_); - I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK_CHV); - - vlv_display_irq_reset(dev_priv); + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display_irqs_enabled) + vlv_display_irq_reset(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); } -static u32 intel_hpd_enabled_irqs(struct drm_device *dev, +static u32 intel_hpd_enabled_irqs(struct drm_i915_private *dev_priv, const u32 hpd[HPD_NUM_PINS]) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_encoder *encoder; u32 enabled_irqs = 0; - for_each_intel_encoder(dev, encoder) + for_each_intel_encoder(&dev_priv->drm, encoder) if (dev_priv->hotplug.stats[encoder->hpd_pin].state == HPD_ENABLED) enabled_irqs |= hpd[encoder->hpd_pin]; return enabled_irqs; } -static void ibx_hpd_irq_setup(struct drm_device *dev) +static void ibx_hpd_irq_setup(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 hotplug_irqs, hotplug, enabled_irqs; - if (HAS_PCH_IBX(dev)) { + if (HAS_PCH_IBX(dev_priv)) { hotplug_irqs = SDE_HOTPLUG_MASK; - enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_ibx); + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_ibx); } else { hotplug_irqs = SDE_HOTPLUG_MASK_CPT; - enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_cpt); + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_cpt); } ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs); @@ -3432,18 +3463,17 @@ static void ibx_hpd_irq_setup(struct drm_device *dev) * When CPU and PCH are on the same package, port A * HPD must be enabled in both north and south. */ - if (HAS_PCH_LPT_LP(dev)) + if (HAS_PCH_LPT_LP(dev_priv)) hotplug |= PORTA_HOTPLUG_ENABLE; I915_WRITE(PCH_PORT_HOTPLUG, hotplug); } -static void spt_hpd_irq_setup(struct drm_device *dev) +static void spt_hpd_irq_setup(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 hotplug_irqs, hotplug, enabled_irqs; hotplug_irqs = SDE_HOTPLUG_MASK_SPT; - enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_spt); + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_spt); ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs); @@ -3458,24 +3488,23 @@ static void spt_hpd_irq_setup(struct drm_device *dev) I915_WRITE(PCH_PORT_HOTPLUG2, hotplug); } -static void ilk_hpd_irq_setup(struct drm_device *dev) +static void ilk_hpd_irq_setup(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 hotplug_irqs, hotplug, enabled_irqs; - if (INTEL_INFO(dev)->gen >= 8) { + if (INTEL_GEN(dev_priv) >= 8) { hotplug_irqs = GEN8_PORT_DP_A_HOTPLUG; - enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_bdw); + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_bdw); bdw_update_port_irq(dev_priv, hotplug_irqs, enabled_irqs); - } else if (INTEL_INFO(dev)->gen >= 7) { + } else if (INTEL_GEN(dev_priv) >= 7) { hotplug_irqs = DE_DP_A_HOTPLUG_IVB; - enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_ivb); + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_ivb); ilk_update_display_irq(dev_priv, hotplug_irqs, enabled_irqs); } else { hotplug_irqs = DE_DP_A_HOTPLUG; - enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_ilk); + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_ilk); ilk_update_display_irq(dev_priv, hotplug_irqs, enabled_irqs); } @@ -3490,15 +3519,14 @@ static void ilk_hpd_irq_setup(struct drm_device *dev) hotplug |= DIGITAL_PORTA_HOTPLUG_ENABLE | DIGITAL_PORTA_PULSE_DURATION_2ms; I915_WRITE(DIGITAL_PORT_HOTPLUG_CNTRL, hotplug); - ibx_hpd_irq_setup(dev); + ibx_hpd_irq_setup(dev_priv); } -static void bxt_hpd_irq_setup(struct drm_device *dev) +static void bxt_hpd_irq_setup(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 hotplug_irqs, hotplug, enabled_irqs; - enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_bxt); + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_bxt); hotplug_irqs = BXT_DE_PORT_HOTPLUG_MASK; bdw_update_port_irq(dev_priv, hotplug_irqs, enabled_irqs); @@ -3506,12 +3534,32 @@ static void bxt_hpd_irq_setup(struct drm_device *dev) hotplug = I915_READ(PCH_PORT_HOTPLUG); hotplug |= PORTC_HOTPLUG_ENABLE | PORTB_HOTPLUG_ENABLE | PORTA_HOTPLUG_ENABLE; + + DRM_DEBUG_KMS("Invert bit setting: hp_ctl:%x hp_port:%x\n", + hotplug, enabled_irqs); + hotplug &= ~BXT_DDI_HPD_INVERT_MASK; + + /* + * For BXT invert bit has to be set based on AOB design + * for HPD detection logic, update it based on VBT fields. + */ + + if ((enabled_irqs & BXT_DE_PORT_HP_DDIA) && + intel_bios_is_port_hpd_inverted(dev_priv, PORT_A)) + hotplug |= BXT_DDIA_HPD_INVERT; + if ((enabled_irqs & BXT_DE_PORT_HP_DDIB) && + intel_bios_is_port_hpd_inverted(dev_priv, PORT_B)) + hotplug |= BXT_DDIB_HPD_INVERT; + if ((enabled_irqs & BXT_DE_PORT_HP_DDIC) && + intel_bios_is_port_hpd_inverted(dev_priv, PORT_C)) + hotplug |= BXT_DDIC_HPD_INVERT; + I915_WRITE(PCH_PORT_HOTPLUG, hotplug); } static void ibx_irq_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u32 mask; if (HAS_PCH_NOP(dev)) @@ -3528,7 +3576,7 @@ static void ibx_irq_postinstall(struct drm_device *dev) static void gen5_gt_irq_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u32 pm_irqs, gt_irqs; pm_irqs = gt_irqs = 0; @@ -3542,8 +3590,7 @@ static void gen5_gt_irq_postinstall(struct drm_device *dev) gt_irqs |= GT_RENDER_USER_INTERRUPT; if (IS_GEN5(dev)) { - gt_irqs |= GT_RENDER_PIPECTL_NOTIFY_INTERRUPT | - ILK_BSD_USER_INTERRUPT; + gt_irqs |= ILK_BSD_USER_INTERRUPT; } else { gt_irqs |= GT_BLT_USER_INTERRUPT | GT_BSD_USER_INTERRUPT; } @@ -3565,7 +3612,7 @@ static void gen5_gt_irq_postinstall(struct drm_device *dev) static int ironlake_irq_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u32 display_mask, extra_mask; if (INTEL_INFO(dev)->gen >= 7) { @@ -3613,74 +3660,6 @@ static int ironlake_irq_postinstall(struct drm_device *dev) return 0; } -static void valleyview_display_irqs_install(struct drm_i915_private *dev_priv) -{ - u32 pipestat_mask; - u32 iir_mask; - enum pipe pipe; - - pipestat_mask = PIPESTAT_INT_STATUS_MASK | - PIPE_FIFO_UNDERRUN_STATUS; - - for_each_pipe(dev_priv, pipe) - I915_WRITE(PIPESTAT(pipe), pipestat_mask); - POSTING_READ(PIPESTAT(PIPE_A)); - - pipestat_mask = PLANE_FLIP_DONE_INT_STATUS_VLV | - PIPE_CRC_DONE_INTERRUPT_STATUS; - - i915_enable_pipestat(dev_priv, PIPE_A, PIPE_GMBUS_INTERRUPT_STATUS); - for_each_pipe(dev_priv, pipe) - i915_enable_pipestat(dev_priv, pipe, pipestat_mask); - - iir_mask = I915_DISPLAY_PORT_INTERRUPT | - I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT; - if (IS_CHERRYVIEW(dev_priv)) - iir_mask |= I915_DISPLAY_PIPE_C_EVENT_INTERRUPT; - dev_priv->irq_mask &= ~iir_mask; - - I915_WRITE(VLV_IIR, iir_mask); - I915_WRITE(VLV_IIR, iir_mask); - I915_WRITE(VLV_IER, ~dev_priv->irq_mask); - I915_WRITE(VLV_IMR, dev_priv->irq_mask); - POSTING_READ(VLV_IMR); -} - -static void valleyview_display_irqs_uninstall(struct drm_i915_private *dev_priv) -{ - u32 pipestat_mask; - u32 iir_mask; - enum pipe pipe; - - iir_mask = I915_DISPLAY_PORT_INTERRUPT | - I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT; - if (IS_CHERRYVIEW(dev_priv)) - iir_mask |= I915_DISPLAY_PIPE_C_EVENT_INTERRUPT; - - dev_priv->irq_mask |= iir_mask; - I915_WRITE(VLV_IMR, dev_priv->irq_mask); - I915_WRITE(VLV_IER, ~dev_priv->irq_mask); - I915_WRITE(VLV_IIR, iir_mask); - I915_WRITE(VLV_IIR, iir_mask); - POSTING_READ(VLV_IIR); - - pipestat_mask = PLANE_FLIP_DONE_INT_STATUS_VLV | - PIPE_CRC_DONE_INTERRUPT_STATUS; - - i915_disable_pipestat(dev_priv, PIPE_A, PIPE_GMBUS_INTERRUPT_STATUS); - for_each_pipe(dev_priv, pipe) - i915_disable_pipestat(dev_priv, pipe, pipestat_mask); - - pipestat_mask = PIPESTAT_INT_STATUS_MASK | - PIPE_FIFO_UNDERRUN_STATUS; - - for_each_pipe(dev_priv, pipe) - I915_WRITE(PIPESTAT(pipe), pipestat_mask); - POSTING_READ(PIPESTAT(PIPE_A)); -} - void valleyview_enable_display_irqs(struct drm_i915_private *dev_priv) { assert_spin_locked(&dev_priv->irq_lock); @@ -3690,8 +3669,10 @@ void valleyview_enable_display_irqs(struct drm_i915_private *dev_priv) dev_priv->display_irqs_enabled = true; - if (intel_irqs_enabled(dev_priv)) - valleyview_display_irqs_install(dev_priv); + if (intel_irqs_enabled(dev_priv)) { + vlv_display_irq_reset(dev_priv); + vlv_display_irq_postinstall(dev_priv); + } } void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv) @@ -3704,45 +3685,23 @@ void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv) dev_priv->display_irqs_enabled = false; if (intel_irqs_enabled(dev_priv)) - valleyview_display_irqs_uninstall(dev_priv); + vlv_display_irq_reset(dev_priv); } -static void vlv_display_irq_postinstall(struct drm_i915_private *dev_priv) -{ - dev_priv->irq_mask = ~0; - - i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0); - POSTING_READ(PORT_HOTPLUG_EN); - - I915_WRITE(VLV_IIR, 0xffffffff); - I915_WRITE(VLV_IIR, 0xffffffff); - I915_WRITE(VLV_IER, ~dev_priv->irq_mask); - I915_WRITE(VLV_IMR, dev_priv->irq_mask); - POSTING_READ(VLV_IMR); - - /* Interrupt setup is already guaranteed to be single-threaded, this is - * just to make the assert_spin_locked check happy. */ - spin_lock_irq(&dev_priv->irq_lock); - if (dev_priv->display_irqs_enabled) - valleyview_display_irqs_install(dev_priv); - spin_unlock_irq(&dev_priv->irq_lock); -} static int valleyview_irq_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - - vlv_display_irq_postinstall(dev_priv); + struct drm_i915_private *dev_priv = to_i915(dev); gen5_gt_irq_postinstall(dev); - /* ack & enable invalid PTE error interrupts */ -#if 0 /* FIXME: add support to irq handler for checking these bits */ - I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK); - I915_WRITE(DPINVGTT, DPINVGTT_EN_MASK); -#endif + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display_irqs_enabled) + vlv_display_irq_postinstall(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); I915_WRITE(VLV_MASTER_IER, MASTER_INTERRUPT_ENABLE); + POSTING_READ(VLV_MASTER_IER); return 0; } @@ -3753,7 +3712,6 @@ static void gen8_gt_irq_postinstall(struct drm_i915_private *dev_priv) 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_CONTEXT_SWITCH_INTERRUPT << GEN8_BCS_IRQ_SHIFT, GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT | @@ -3765,6 +3723,9 @@ static void gen8_gt_irq_postinstall(struct drm_i915_private *dev_priv) GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VECS_IRQ_SHIFT }; + if (HAS_L3_DPF(dev_priv)) + gt_interrupts[0] |= GT_RENDER_L3_PARITY_ERROR_INTERRUPT; + dev_priv->pm_irq_mask = 0xffffffff; GEN8_IRQ_INIT_NDX(GT, 0, ~gt_interrupts[0], gt_interrupts[0]); GEN8_IRQ_INIT_NDX(GT, 1, ~gt_interrupts[1], gt_interrupts[1]); @@ -3782,6 +3743,7 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) uint32_t de_pipe_enables; u32 de_port_masked = GEN8_AUX_CHANNEL_A; u32 de_port_enables; + u32 de_misc_masked = GEN8_DE_MISC_GSE; enum pipe pipe; if (INTEL_INFO(dev_priv)->gen >= 9) { @@ -3817,11 +3779,12 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) de_pipe_enables); GEN5_IRQ_INIT(GEN8_DE_PORT_, ~de_port_masked, de_port_enables); + GEN5_IRQ_INIT(GEN8_DE_MISC_, ~de_misc_masked, de_misc_masked); } static int gen8_irq_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); if (HAS_PCH_SPLIT(dev)) ibx_irq_pre_postinstall(dev); @@ -3832,7 +3795,7 @@ static int gen8_irq_postinstall(struct drm_device *dev) if (HAS_PCH_SPLIT(dev)) ibx_irq_postinstall(dev); - I915_WRITE(GEN8_MASTER_IRQ, DE_MASTER_IRQ_CONTROL); + I915_WRITE(GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL); POSTING_READ(GEN8_MASTER_IRQ); return 0; @@ -3840,13 +3803,16 @@ static int gen8_irq_postinstall(struct drm_device *dev) static int cherryview_irq_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - - vlv_display_irq_postinstall(dev_priv); + struct drm_i915_private *dev_priv = to_i915(dev); gen8_gt_irq_postinstall(dev_priv); - I915_WRITE(GEN8_MASTER_IRQ, MASTER_INTERRUPT_ENABLE); + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display_irqs_enabled) + vlv_display_irq_postinstall(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); + + I915_WRITE(GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL); POSTING_READ(GEN8_MASTER_IRQ); return 0; @@ -3854,7 +3820,7 @@ static int cherryview_irq_postinstall(struct drm_device *dev) static void gen8_irq_uninstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); if (!dev_priv) return; @@ -3862,39 +3828,29 @@ static void gen8_irq_uninstall(struct drm_device *dev) gen8_irq_reset(dev); } -static void vlv_display_irq_uninstall(struct drm_i915_private *dev_priv) -{ - /* Interrupt setup is already guaranteed to be single-threaded, this is - * just to make the assert_spin_locked check happy. */ - spin_lock_irq(&dev_priv->irq_lock); - if (dev_priv->display_irqs_enabled) - valleyview_display_irqs_uninstall(dev_priv); - spin_unlock_irq(&dev_priv->irq_lock); - - vlv_display_irq_reset(dev_priv); - - dev_priv->irq_mask = ~0; -} - static void valleyview_irq_uninstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); if (!dev_priv) return; I915_WRITE(VLV_MASTER_IER, 0); + POSTING_READ(VLV_MASTER_IER); gen5_gt_irq_reset(dev); I915_WRITE(HWSTAM, 0xffffffff); - vlv_display_irq_uninstall(dev_priv); + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display_irqs_enabled) + vlv_display_irq_reset(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); } static void cherryview_irq_uninstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); if (!dev_priv) return; @@ -3906,12 +3862,15 @@ static void cherryview_irq_uninstall(struct drm_device *dev) GEN5_IRQ_RESET(GEN8_PCU_); - vlv_display_irq_uninstall(dev_priv); + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display_irqs_enabled) + vlv_display_irq_reset(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); } static void ironlake_irq_uninstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); if (!dev_priv) return; @@ -3921,7 +3880,7 @@ static void ironlake_irq_uninstall(struct drm_device *dev) static void i8xx_irq_preinstall(struct drm_device * dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); int pipe; for_each_pipe(dev_priv, pipe) @@ -3933,7 +3892,7 @@ static void i8xx_irq_preinstall(struct drm_device * dev) static int i8xx_irq_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); I915_WRITE16(EMR, ~(I915_ERROR_PAGE_TABLE | I915_ERROR_MEMORY_REFRESH)); @@ -3965,13 +3924,12 @@ static int i8xx_irq_postinstall(struct drm_device *dev) /* * Returns true when a page flip has completed. */ -static bool i8xx_handle_vblank(struct drm_device *dev, +static bool i8xx_handle_vblank(struct drm_i915_private *dev_priv, int plane, int pipe, u32 iir) { - struct drm_i915_private *dev_priv = dev->dev_private; u16 flip_pending = DISPLAY_PLANE_FLIP_PENDING(plane); - if (!intel_pipe_handle_vblank(dev, pipe)) + if (!intel_pipe_handle_vblank(dev_priv, pipe)) return false; if ((iir & flip_pending) == 0) @@ -3986,19 +3944,18 @@ static bool i8xx_handle_vblank(struct drm_device *dev, if (I915_READ16(ISR) & flip_pending) goto check_page_flip; - intel_prepare_page_flip(dev, plane); - intel_finish_page_flip(dev, pipe); + intel_finish_page_flip_cs(dev_priv, pipe); return true; check_page_flip: - intel_check_page_flip(dev, pipe); + intel_check_page_flip(dev_priv, pipe); return false; } static irqreturn_t i8xx_irq_handler(int irq, void *arg) { struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u16 iir, new_iir; u32 pipe_stats[2]; int pipe; @@ -4044,19 +4001,19 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg) new_iir = I915_READ16(IIR); /* Flush posted writes */ if (iir & I915_USER_INTERRUPT) - notify_ring(&dev_priv->ring[RCS]); + notify_ring(&dev_priv->engine[RCS]); for_each_pipe(dev_priv, pipe) { int plane = pipe; - if (HAS_FBC(dev)) + if (HAS_FBC(dev_priv)) plane = !plane; if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS && - i8xx_handle_vblank(dev, plane, pipe, iir)) + i8xx_handle_vblank(dev_priv, plane, pipe, iir)) flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(plane); if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS) - i9xx_pipe_crc_irq_handler(dev, pipe); + i9xx_pipe_crc_irq_handler(dev_priv, pipe); if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS) intel_cpu_fifo_underrun_irq_handler(dev_priv, @@ -4075,7 +4032,7 @@ out: static void i8xx_irq_uninstall(struct drm_device * dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); int pipe; for_each_pipe(dev_priv, pipe) { @@ -4090,7 +4047,7 @@ static void i8xx_irq_uninstall(struct drm_device * dev) static void i915_irq_preinstall(struct drm_device * dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); int pipe; if (I915_HAS_HOTPLUG(dev)) { @@ -4108,7 +4065,7 @@ static void i915_irq_preinstall(struct drm_device * dev) static int i915_irq_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u32 enable_mask; I915_WRITE(EMR, ~(I915_ERROR_PAGE_TABLE | I915_ERROR_MEMORY_REFRESH)); @@ -4141,7 +4098,7 @@ static int i915_irq_postinstall(struct drm_device *dev) I915_WRITE(IER, enable_mask); POSTING_READ(IER); - i915_enable_asle_pipestat(dev); + i915_enable_asle_pipestat(dev_priv); /* Interrupt setup is already guaranteed to be single-threaded, this is * just to make the assert_spin_locked check happy. */ @@ -4156,13 +4113,12 @@ static int i915_irq_postinstall(struct drm_device *dev) /* * Returns true when a page flip has completed. */ -static bool i915_handle_vblank(struct drm_device *dev, +static bool i915_handle_vblank(struct drm_i915_private *dev_priv, int plane, int pipe, u32 iir) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 flip_pending = DISPLAY_PLANE_FLIP_PENDING(plane); - if (!intel_pipe_handle_vblank(dev, pipe)) + if (!intel_pipe_handle_vblank(dev_priv, pipe)) return false; if ((iir & flip_pending) == 0) @@ -4177,19 +4133,18 @@ static bool i915_handle_vblank(struct drm_device *dev, if (I915_READ(ISR) & flip_pending) goto check_page_flip; - intel_prepare_page_flip(dev, plane); - intel_finish_page_flip(dev, pipe); + intel_finish_page_flip_cs(dev_priv, pipe); return true; check_page_flip: - intel_check_page_flip(dev, pipe); + intel_check_page_flip(dev_priv, pipe); return false; } static irqreturn_t i915_irq_handler(int irq, void *arg) { struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u32 iir, new_iir, pipe_stats[I915_MAX_PIPES]; u32 flip_mask = I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT | @@ -4232,30 +4187,33 @@ static irqreturn_t i915_irq_handler(int irq, void *arg) break; /* Consume port. Then clear IIR or we'll miss events */ - if (I915_HAS_HOTPLUG(dev) && - iir & I915_DISPLAY_PORT_INTERRUPT) - i9xx_hpd_irq_handler(dev); + if (I915_HAS_HOTPLUG(dev_priv) && + iir & I915_DISPLAY_PORT_INTERRUPT) { + u32 hotplug_status = i9xx_hpd_irq_ack(dev_priv); + if (hotplug_status) + i9xx_hpd_irq_handler(dev_priv, hotplug_status); + } I915_WRITE(IIR, iir & ~flip_mask); new_iir = I915_READ(IIR); /* Flush posted writes */ if (iir & I915_USER_INTERRUPT) - notify_ring(&dev_priv->ring[RCS]); + notify_ring(&dev_priv->engine[RCS]); for_each_pipe(dev_priv, pipe) { int plane = pipe; - if (HAS_FBC(dev)) + if (HAS_FBC(dev_priv)) plane = !plane; if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS && - i915_handle_vblank(dev, plane, pipe, iir)) + i915_handle_vblank(dev_priv, plane, pipe, iir)) flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(plane); if (pipe_stats[pipe] & PIPE_LEGACY_BLC_EVENT_STATUS) blc_event = true; if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS) - i9xx_pipe_crc_irq_handler(dev, pipe); + i9xx_pipe_crc_irq_handler(dev_priv, pipe); if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS) intel_cpu_fifo_underrun_irq_handler(dev_priv, @@ -4263,7 +4221,7 @@ static irqreturn_t i915_irq_handler(int irq, void *arg) } if (blc_event || (iir & I915_ASLE_INTERRUPT)) - intel_opregion_asle_intr(dev); + intel_opregion_asle_intr(dev_priv); /* With MSI, interrupts are only generated when iir * transitions from zero to nonzero. If another bit got @@ -4291,7 +4249,7 @@ static irqreturn_t i915_irq_handler(int irq, void *arg) static void i915_irq_uninstall(struct drm_device * dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); int pipe; if (I915_HAS_HOTPLUG(dev)) { @@ -4313,7 +4271,7 @@ static void i915_irq_uninstall(struct drm_device * dev) static void i965_irq_preinstall(struct drm_device * dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); int pipe; i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0); @@ -4329,7 +4287,7 @@ static void i965_irq_preinstall(struct drm_device * dev) static int i965_irq_postinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u32 enable_mask; u32 error_mask; @@ -4347,7 +4305,7 @@ static int i965_irq_postinstall(struct drm_device *dev) I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT); enable_mask |= I915_USER_INTERRUPT; - if (IS_G4X(dev)) + if (IS_G4X(dev_priv)) enable_mask |= I915_BSD_USER_INTERRUPT; /* Interrupt setup is already guaranteed to be single-threaded, this is @@ -4362,7 +4320,7 @@ static int i965_irq_postinstall(struct drm_device *dev) * Enable some error detection, note the instruction error mask * bit is reserved, so we leave it masked. */ - if (IS_G4X(dev)) { + if (IS_G4X(dev_priv)) { error_mask = ~(GM45_ERROR_PAGE_TABLE | GM45_ERROR_MEM_PRIV | GM45_ERROR_CP_PRIV | @@ -4380,26 +4338,25 @@ static int i965_irq_postinstall(struct drm_device *dev) i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0); POSTING_READ(PORT_HOTPLUG_EN); - i915_enable_asle_pipestat(dev); + i915_enable_asle_pipestat(dev_priv); return 0; } -static void i915_hpd_irq_setup(struct drm_device *dev) +static void i915_hpd_irq_setup(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 hotplug_en; assert_spin_locked(&dev_priv->irq_lock); /* Note HDMI and DP share hotplug bits */ /* enable bits are the same for all generations */ - hotplug_en = intel_hpd_enabled_irqs(dev, hpd_mask_i915); + hotplug_en = intel_hpd_enabled_irqs(dev_priv, hpd_mask_i915); /* Programming the CRT detection parameters tends to generate a spurious hotplug event about three seconds later. So just do it once. */ - if (IS_G4X(dev)) + if (IS_G4X(dev_priv)) hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; @@ -4414,7 +4371,7 @@ static void i915_hpd_irq_setup(struct drm_device *dev) static irqreturn_t i965_irq_handler(int irq, void *arg) { struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); u32 iir, new_iir; u32 pipe_stats[I915_MAX_PIPES]; int ret = IRQ_NONE, pipe; @@ -4463,37 +4420,40 @@ static irqreturn_t i965_irq_handler(int irq, void *arg) ret = IRQ_HANDLED; /* Consume port. Then clear IIR or we'll miss events */ - if (iir & I915_DISPLAY_PORT_INTERRUPT) - i9xx_hpd_irq_handler(dev); + if (iir & I915_DISPLAY_PORT_INTERRUPT) { + u32 hotplug_status = i9xx_hpd_irq_ack(dev_priv); + if (hotplug_status) + i9xx_hpd_irq_handler(dev_priv, hotplug_status); + } I915_WRITE(IIR, iir & ~flip_mask); new_iir = I915_READ(IIR); /* Flush posted writes */ if (iir & I915_USER_INTERRUPT) - notify_ring(&dev_priv->ring[RCS]); + notify_ring(&dev_priv->engine[RCS]); if (iir & I915_BSD_USER_INTERRUPT) - notify_ring(&dev_priv->ring[VCS]); + notify_ring(&dev_priv->engine[VCS]); for_each_pipe(dev_priv, pipe) { if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS && - i915_handle_vblank(dev, pipe, pipe, iir)) + i915_handle_vblank(dev_priv, pipe, pipe, iir)) flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(pipe); if (pipe_stats[pipe] & PIPE_LEGACY_BLC_EVENT_STATUS) blc_event = true; if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS) - i9xx_pipe_crc_irq_handler(dev, pipe); + i9xx_pipe_crc_irq_handler(dev_priv, pipe); if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS) intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe); } if (blc_event || (iir & I915_ASLE_INTERRUPT)) - intel_opregion_asle_intr(dev); + intel_opregion_asle_intr(dev_priv); if (pipe_stats[0] & PIPE_GMBUS_INTERRUPT_STATUS) - gmbus_irq_handler(dev); + gmbus_irq_handler(dev_priv); /* With MSI, interrupts are only generated when iir * transitions from zero to nonzero. If another bit got @@ -4520,7 +4480,7 @@ static irqreturn_t i965_irq_handler(int irq, void *arg) static void i965_irq_uninstall(struct drm_device * dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(dev); int pipe; if (!dev_priv) @@ -4550,7 +4510,7 @@ static void i965_irq_uninstall(struct drm_device * dev) */ void intel_irq_init(struct drm_i915_private *dev_priv) { - struct drm_device *dev = dev_priv->dev; + struct drm_device *dev = &dev_priv->drm; intel_hpd_init_work(dev_priv); @@ -4564,11 +4524,23 @@ void intel_irq_init(struct drm_i915_private *dev_priv) else dev_priv->pm_rps_events = GEN6_PM_RPS_EVENTS; + dev_priv->rps.pm_intr_keep = 0; + + /* + * SNB,IVB can while VLV,CHV may hard hang on looping batchbuffer + * if GEN6_PM_UP_EI_EXPIRED is masked. + * + * TODO: verify if this can be reproduced on VLV,CHV. + */ + if (INTEL_INFO(dev_priv)->gen <= 7 && !IS_HASWELL(dev_priv)) + dev_priv->rps.pm_intr_keep |= GEN6_PM_RP_UP_EI_EXPIRED; + + if (INTEL_INFO(dev_priv)->gen >= 8) + dev_priv->rps.pm_intr_keep |= GEN8_PMINTR_REDIRECT_TO_NON_DISP; + INIT_DELAYED_WORK(&dev_priv->gpu_error.hangcheck_work, i915_hangcheck_elapsed); - pm_qos_add_request(&dev_priv->pm_qos, PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE); - if (IS_GEN2(dev_priv)) { dev->max_vblank_count = 0; dev->driver->get_vblank_counter = i8xx_get_vblank_counter; @@ -4616,7 +4588,7 @@ void intel_irq_init(struct drm_i915_private *dev_priv) dev->driver->disable_vblank = gen8_disable_vblank; if (IS_BROXTON(dev)) dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup; - else if (HAS_PCH_SPT(dev)) + else if (HAS_PCH_SPT(dev) || HAS_PCH_KBP(dev)) dev_priv->display.hpd_irq_setup = spt_hpd_irq_setup; else dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup; @@ -4629,12 +4601,12 @@ void intel_irq_init(struct drm_i915_private *dev_priv) dev->driver->disable_vblank = ironlake_disable_vblank; dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup; } else { - if (INTEL_INFO(dev_priv)->gen == 2) { + if (IS_GEN2(dev_priv)) { dev->driver->irq_preinstall = i8xx_irq_preinstall; dev->driver->irq_postinstall = i8xx_irq_postinstall; dev->driver->irq_handler = i8xx_irq_handler; dev->driver->irq_uninstall = i8xx_irq_uninstall; - } else if (INTEL_INFO(dev_priv)->gen == 3) { + } else if (IS_GEN3(dev_priv)) { dev->driver->irq_preinstall = i915_irq_preinstall; dev->driver->irq_postinstall = i915_irq_postinstall; dev->driver->irq_uninstall = i915_irq_uninstall; @@ -4672,7 +4644,7 @@ int intel_irq_install(struct drm_i915_private *dev_priv) */ dev_priv->pm.irqs_enabled = true; - return drm_irq_install(dev_priv->dev, dev_priv->dev->pdev->irq); + return drm_irq_install(&dev_priv->drm, dev_priv->drm.pdev->irq); } /** @@ -4684,7 +4656,7 @@ int intel_irq_install(struct drm_i915_private *dev_priv) */ void intel_irq_uninstall(struct drm_i915_private *dev_priv) { - drm_irq_uninstall(dev_priv->dev); + drm_irq_uninstall(&dev_priv->drm); intel_hpd_cancel_work(dev_priv); dev_priv->pm.irqs_enabled = false; } @@ -4698,9 +4670,9 @@ void intel_irq_uninstall(struct drm_i915_private *dev_priv) */ void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv) { - dev_priv->dev->driver->irq_uninstall(dev_priv->dev); + dev_priv->drm.driver->irq_uninstall(&dev_priv->drm); dev_priv->pm.irqs_enabled = false; - synchronize_irq(dev_priv->dev->irq); + synchronize_irq(dev_priv->drm.irq); } /** @@ -4713,6 +4685,6 @@ void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv) void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv) { dev_priv->pm.irqs_enabled = true; - dev_priv->dev->driver->irq_preinstall(dev_priv->dev); - dev_priv->dev->driver->irq_postinstall(dev_priv->dev); + dev_priv->drm.driver->irq_preinstall(&dev_priv->drm); + dev_priv->drm.driver->irq_postinstall(&dev_priv->drm); } |