| Message ID | 1471428859-10339-6-git-send-email-akash.goel@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 17/08/16 11:14, akash.goel@intel.com wrote: > From: Sagar Arun Kamble <sagar.a.kamble@intel.com> > > There are certain types of interrupts which Host can receive from GuC. > GuC ukernel sends an interrupt to Host for certain events, like for > example retrieve/consume the logs generated by ukernel. > This patch adds support to receive interrupts from GuC but currently > enables & partially handles only the interrupt sent by GuC ukernel. > Future patches will add support for handling other interrupt types. > > v2: > - Use common low level routines for PM IER/IIR programming (Chris) > - Rename interrupt functions to gen9_xxx from gen8_xxx (Chris) > - Replace disabling of wake ref asserts with rpm get/put (Chris) > > v3: > - Update comments for more clarity. (Tvrtko) > - Remove the masking of GuC interrupt, which was kept masked till the > start of bottom half, its not really needed as there is only a > single instance of work item & wq is ordered. (Tvrtko) > > v4: > - Rebase. > - Rename guc_events to pm_guc_events so as to be indicative of the > register/control block it is associated with. (Chris) > - Add handling for back to back log buffer flush interrupts. > > v5: > - Move the read & clearing of register, containing Guc2Host message > bits, outside the irq spinlock. (Tvrtko) > > v6: > - Move the log buffer flush interrupt related stuff to the following > patch so as to do only generic bits in this patch. (Tvrtko) > - Rebase. > > v7: > - Remove the interrupts_enabled check from gen9_guc_irq_handler, want to > process that last interrupt also before disabling the interrupt, sync > against the work queued by irq handler will be done by caller disabling > the interrupt. > > Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com> > Signed-off-by: Akash Goel <akash.goel@intel.com> > --- > drivers/gpu/drm/i915/i915_drv.h | 1 + > drivers/gpu/drm/i915/i915_guc_submission.c | 5 +++ > drivers/gpu/drm/i915/i915_irq.c | 56 +++++++++++++++++++++++++++--- > drivers/gpu/drm/i915/i915_reg.h | 11 ++++++ > drivers/gpu/drm/i915/intel_drv.h | 3 ++ > drivers/gpu/drm/i915/intel_guc.h | 3 ++ > drivers/gpu/drm/i915/intel_guc_loader.c | 4 +++ > 7 files changed, 79 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h > index a187ea7..08553b9 100644 > --- a/drivers/gpu/drm/i915/i915_drv.h > +++ b/drivers/gpu/drm/i915/i915_drv.h > @@ -1783,6 +1783,7 @@ struct drm_i915_private { > u32 pm_imr; > u32 pm_ier; > u32 pm_rps_events; > + u32 pm_guc_events; > u32 pipestat_irq_mask[I915_MAX_PIPES]; > > struct i915_hotplug hotplug; > diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c > index 34fb893..b062da6 100644 > --- a/drivers/gpu/drm/i915/i915_guc_submission.c > +++ b/drivers/gpu/drm/i915/i915_guc_submission.c > @@ -1055,6 +1055,8 @@ int intel_guc_suspend(struct drm_device *dev) > if (guc->guc_fw.guc_fw_load_status != GUC_FIRMWARE_SUCCESS) > return 0; > > + gen9_disable_guc_interrupts(dev_priv); > + > ctx = dev_priv->kernel_context; > > data[0] = HOST2GUC_ACTION_ENTER_S_STATE; > @@ -1081,6 +1083,9 @@ int intel_guc_resume(struct drm_device *dev) > if (guc->guc_fw.guc_fw_load_status != GUC_FIRMWARE_SUCCESS) > return 0; > > + if (i915.guc_log_level >= 0) > + gen9_enable_guc_interrupts(dev_priv); > + > ctx = dev_priv->kernel_context; > > data[0] = HOST2GUC_ACTION_EXIT_S_STATE; > diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c > index 83d708a..fc1fe72 100644 > --- a/drivers/gpu/drm/i915/i915_irq.c > +++ b/drivers/gpu/drm/i915/i915_irq.c > @@ -170,6 +170,7 @@ static void gen5_assert_iir_is_zero(struct drm_i915_private *dev_priv, > } while (0) > > static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir); > +static void gen9_guc_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir); > > /* For display hotplug interrupt */ > static inline void > @@ -411,6 +412,38 @@ void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv) > gen6_reset_rps_interrupts(dev_priv); > } > > +void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv) > +{ > + spin_lock_irq(&dev_priv->irq_lock); > + gen6_reset_pm_iir(dev_priv, dev_priv->pm_guc_events); > + spin_unlock_irq(&dev_priv->irq_lock); > +} > + > +void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv) > +{ > + spin_lock_irq(&dev_priv->irq_lock); > + if (!dev_priv->guc.interrupts_enabled) { > + WARN_ON_ONCE(I915_READ(gen6_pm_iir(dev_priv)) & > + dev_priv->pm_guc_events); > + dev_priv->guc.interrupts_enabled = true; > + gen6_enable_pm_irq(dev_priv, dev_priv->pm_guc_events); > + } > + spin_unlock_irq(&dev_priv->irq_lock); > +} > + > +void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv) > +{ > + spin_lock_irq(&dev_priv->irq_lock); > + dev_priv->guc.interrupts_enabled = false; > + > + gen6_disable_pm_irq(dev_priv, dev_priv->pm_guc_events); > + > + spin_unlock_irq(&dev_priv->irq_lock); > + synchronize_irq(dev_priv->drm.irq); > + > + gen9_reset_guc_interrupts(dev_priv); > +} > + > /** > * bdw_update_port_irq - update DE port interrupt > * @dev_priv: driver private > @@ -1339,11 +1372,13 @@ static irqreturn_t gen8_gt_irq_ack(struct drm_i915_private *dev_priv, > DRM_ERROR("The master control interrupt lied (GT3)!\n"); > } > > - if (master_ctl & GEN8_GT_PM_IRQ) { > + if (master_ctl & (GEN8_GT_PM_IRQ | GEN8_GT_GUC_IRQ)) { > gt_iir[2] = I915_READ_FW(GEN8_GT_IIR(2)); > - if (gt_iir[2] & dev_priv->pm_rps_events) { > + if (gt_iir[2] & (dev_priv->pm_rps_events | > + dev_priv->pm_guc_events)) { > I915_WRITE_FW(GEN8_GT_IIR(2), > - gt_iir[2] & dev_priv->pm_rps_events); > + gt_iir[2] & (dev_priv->pm_rps_events | > + dev_priv->pm_guc_events)); > ret = IRQ_HANDLED; > } else > DRM_ERROR("The master control interrupt lied (PM)!\n"); > @@ -1375,6 +1410,9 @@ static void gen8_gt_irq_handler(struct drm_i915_private *dev_priv, > > if (gt_iir[2] & dev_priv->pm_rps_events) > gen6_rps_irq_handler(dev_priv, gt_iir[2]); > + > + if (gt_iir[2] & dev_priv->pm_guc_events) > + gen9_guc_irq_handler(dev_priv, gt_iir[2]); > } > > static bool bxt_port_hotplug_long_detect(enum port port, u32 val) > @@ -1621,6 +1659,13 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) > } > } > > +static void gen9_guc_irq_handler(struct drm_i915_private *dev_priv, u32 gt_iir) > +{ > + if (gt_iir & GEN9_GUC_TO_HOST_INT_EVENT) { > + /* TODO: Handle events for which GuC interrupted host */ > + } > +} > + > static bool intel_pipe_handle_vblank(struct drm_i915_private *dev_priv, > enum pipe pipe) > { > @@ -3722,7 +3767,7 @@ static void gen8_gt_irq_postinstall(struct drm_i915_private *dev_priv) > GEN8_IRQ_INIT_NDX(GT, 1, ~gt_interrupts[1], gt_interrupts[1]); > /* > * RPS interrupts will get enabled/disabled on demand when RPS itself > - * is enabled/disabled. > + * is enabled/disabled. Same wil be the case for GuC interrupts. > */ > GEN8_IRQ_INIT_NDX(GT, 2, dev_priv->pm_imr, dev_priv->pm_ier); > GEN8_IRQ_INIT_NDX(GT, 3, ~gt_interrupts[3], gt_interrupts[3]); > @@ -4508,6 +4553,9 @@ void intel_irq_init(struct drm_i915_private *dev_priv) > INIT_WORK(&dev_priv->rps.work, gen6_pm_rps_work); > INIT_WORK(&dev_priv->l3_parity.error_work, ivybridge_parity_work); > > + if (HAS_GUC_SCHED(dev)) > + dev_priv->pm_guc_events = GEN9_GUC_TO_HOST_INT_EVENT; > + > /* Let's track the enabled rps events */ > if (IS_VALLEYVIEW(dev_priv)) > /* WaGsvRC0ResidencyMethod:vlv */ > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index d4adf28..cab089a 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -6011,6 +6011,7 @@ enum { > #define GEN8_DE_PIPE_A_IRQ (1<<16) > #define GEN8_DE_PIPE_IRQ(pipe) (1<<(16+(pipe))) > #define GEN8_GT_VECS_IRQ (1<<6) > +#define GEN8_GT_GUC_IRQ (1<<5) > #define GEN8_GT_PM_IRQ (1<<4) > #define GEN8_GT_VCS2_IRQ (1<<3) > #define GEN8_GT_VCS1_IRQ (1<<2) > @@ -6022,6 +6023,16 @@ enum { > #define GEN8_GT_IIR(which) _MMIO(0x44308 + (0x10 * (which))) > #define GEN8_GT_IER(which) _MMIO(0x4430c + (0x10 * (which))) > > +#define GEN9_GUC_TO_HOST_INT_EVENT (1<<31) > +#define GEN9_GUC_EXEC_ERROR_EVENT (1<<30) > +#define GEN9_GUC_DISPLAY_EVENT (1<<29) > +#define GEN9_GUC_SEMA_SIGNAL_EVENT (1<<28) > +#define GEN9_GUC_IOMMU_MSG_EVENT (1<<27) > +#define GEN9_GUC_DB_RING_EVENT (1<<26) > +#define GEN9_GUC_DMA_DONE_EVENT (1<<25) > +#define GEN9_GUC_FATAL_ERROR_EVENT (1<<24) > +#define GEN9_GUC_NOTIFICATION_EVENT (1<<23) > + > #define GEN8_RCS_IRQ_SHIFT 0 > #define GEN8_BCS_IRQ_SHIFT 16 > #define GEN8_VCS1_IRQ_SHIFT 0 > diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h > index 9b99a84..f7f16ac 100644 > --- a/drivers/gpu/drm/i915/intel_drv.h > +++ b/drivers/gpu/drm/i915/intel_drv.h > @@ -1120,6 +1120,9 @@ void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv, > unsigned int pipe_mask); > void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, > unsigned int pipe_mask); > +void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv); > +void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv); > +void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv); > > /* intel_crt.c */ > void intel_crt_init(struct drm_device *dev); > diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h > index d32023c..1fc63fe 100644 > --- a/drivers/gpu/drm/i915/intel_guc.h > +++ b/drivers/gpu/drm/i915/intel_guc.h > @@ -130,6 +130,9 @@ struct intel_guc { > struct intel_guc_fw guc_fw; > struct intel_guc_log log; > > + /* GuC2Host interrupt related state */ > + bool interrupts_enabled; > + > struct i915_vma *ads_vma; > struct i915_vma *ctx_pool_vma; > struct ida ctx_ids; > diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c > index 6fd24d9..ef35e99 100644 > --- a/drivers/gpu/drm/i915/intel_guc_loader.c > +++ b/drivers/gpu/drm/i915/intel_guc_loader.c > @@ -464,6 +464,7 @@ int intel_guc_setup(struct drm_device *dev) > } > > direct_interrupts_to_host(dev_priv); > + gen9_reset_guc_interrupts(dev_priv); > > guc_fw->guc_fw_load_status = GUC_FIRMWARE_PENDING; > > @@ -510,6 +511,9 @@ int intel_guc_setup(struct drm_device *dev) > intel_guc_fw_status_repr(guc_fw->guc_fw_load_status)); > > if (i915.enable_guc_submission) { > + if (i915.guc_log_level >= 0) > + gen9_enable_guc_interrupts(dev_priv); > + > err = i915_guc_submission_enable(dev_priv); > if (err) > goto fail; > Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Regards, Tvrtko
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a187ea7..08553b9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1783,6 +1783,7 @@ struct drm_i915_private { u32 pm_imr; u32 pm_ier; u32 pm_rps_events; + u32 pm_guc_events; u32 pipestat_irq_mask[I915_MAX_PIPES]; struct i915_hotplug hotplug; diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index 34fb893..b062da6 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -1055,6 +1055,8 @@ int intel_guc_suspend(struct drm_device *dev) if (guc->guc_fw.guc_fw_load_status != GUC_FIRMWARE_SUCCESS) return 0; + gen9_disable_guc_interrupts(dev_priv); + ctx = dev_priv->kernel_context; data[0] = HOST2GUC_ACTION_ENTER_S_STATE; @@ -1081,6 +1083,9 @@ int intel_guc_resume(struct drm_device *dev) if (guc->guc_fw.guc_fw_load_status != GUC_FIRMWARE_SUCCESS) return 0; + if (i915.guc_log_level >= 0) + gen9_enable_guc_interrupts(dev_priv); + ctx = dev_priv->kernel_context; data[0] = HOST2GUC_ACTION_EXIT_S_STATE; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 83d708a..fc1fe72 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -170,6 +170,7 @@ static void gen5_assert_iir_is_zero(struct drm_i915_private *dev_priv, } while (0) static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir); +static void gen9_guc_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir); /* For display hotplug interrupt */ static inline void @@ -411,6 +412,38 @@ void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv) gen6_reset_rps_interrupts(dev_priv); } +void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv) +{ + spin_lock_irq(&dev_priv->irq_lock); + gen6_reset_pm_iir(dev_priv, dev_priv->pm_guc_events); + spin_unlock_irq(&dev_priv->irq_lock); +} + +void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv) +{ + spin_lock_irq(&dev_priv->irq_lock); + if (!dev_priv->guc.interrupts_enabled) { + WARN_ON_ONCE(I915_READ(gen6_pm_iir(dev_priv)) & + dev_priv->pm_guc_events); + dev_priv->guc.interrupts_enabled = true; + gen6_enable_pm_irq(dev_priv, dev_priv->pm_guc_events); + } + spin_unlock_irq(&dev_priv->irq_lock); +} + +void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv) +{ + spin_lock_irq(&dev_priv->irq_lock); + dev_priv->guc.interrupts_enabled = false; + + gen6_disable_pm_irq(dev_priv, dev_priv->pm_guc_events); + + spin_unlock_irq(&dev_priv->irq_lock); + synchronize_irq(dev_priv->drm.irq); + + gen9_reset_guc_interrupts(dev_priv); +} + /** * bdw_update_port_irq - update DE port interrupt * @dev_priv: driver private @@ -1339,11 +1372,13 @@ static irqreturn_t gen8_gt_irq_ack(struct drm_i915_private *dev_priv, DRM_ERROR("The master control interrupt lied (GT3)!\n"); } - if (master_ctl & GEN8_GT_PM_IRQ) { + if (master_ctl & (GEN8_GT_PM_IRQ | GEN8_GT_GUC_IRQ)) { gt_iir[2] = I915_READ_FW(GEN8_GT_IIR(2)); - if (gt_iir[2] & dev_priv->pm_rps_events) { + if (gt_iir[2] & (dev_priv->pm_rps_events | + dev_priv->pm_guc_events)) { I915_WRITE_FW(GEN8_GT_IIR(2), - gt_iir[2] & dev_priv->pm_rps_events); + gt_iir[2] & (dev_priv->pm_rps_events | + dev_priv->pm_guc_events)); ret = IRQ_HANDLED; } else DRM_ERROR("The master control interrupt lied (PM)!\n"); @@ -1375,6 +1410,9 @@ static void gen8_gt_irq_handler(struct drm_i915_private *dev_priv, if (gt_iir[2] & dev_priv->pm_rps_events) gen6_rps_irq_handler(dev_priv, gt_iir[2]); + + if (gt_iir[2] & dev_priv->pm_guc_events) + gen9_guc_irq_handler(dev_priv, gt_iir[2]); } static bool bxt_port_hotplug_long_detect(enum port port, u32 val) @@ -1621,6 +1659,13 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) } } +static void gen9_guc_irq_handler(struct drm_i915_private *dev_priv, u32 gt_iir) +{ + if (gt_iir & GEN9_GUC_TO_HOST_INT_EVENT) { + /* TODO: Handle events for which GuC interrupted host */ + } +} + static bool intel_pipe_handle_vblank(struct drm_i915_private *dev_priv, enum pipe pipe) { @@ -3722,7 +3767,7 @@ static void gen8_gt_irq_postinstall(struct drm_i915_private *dev_priv) GEN8_IRQ_INIT_NDX(GT, 1, ~gt_interrupts[1], gt_interrupts[1]); /* * RPS interrupts will get enabled/disabled on demand when RPS itself - * is enabled/disabled. + * is enabled/disabled. Same wil be the case for GuC interrupts. */ GEN8_IRQ_INIT_NDX(GT, 2, dev_priv->pm_imr, dev_priv->pm_ier); GEN8_IRQ_INIT_NDX(GT, 3, ~gt_interrupts[3], gt_interrupts[3]); @@ -4508,6 +4553,9 @@ void intel_irq_init(struct drm_i915_private *dev_priv) INIT_WORK(&dev_priv->rps.work, gen6_pm_rps_work); INIT_WORK(&dev_priv->l3_parity.error_work, ivybridge_parity_work); + if (HAS_GUC_SCHED(dev)) + dev_priv->pm_guc_events = GEN9_GUC_TO_HOST_INT_EVENT; + /* Let's track the enabled rps events */ if (IS_VALLEYVIEW(dev_priv)) /* WaGsvRC0ResidencyMethod:vlv */ diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index d4adf28..cab089a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6011,6 +6011,7 @@ enum { #define GEN8_DE_PIPE_A_IRQ (1<<16) #define GEN8_DE_PIPE_IRQ(pipe) (1<<(16+(pipe))) #define GEN8_GT_VECS_IRQ (1<<6) +#define GEN8_GT_GUC_IRQ (1<<5) #define GEN8_GT_PM_IRQ (1<<4) #define GEN8_GT_VCS2_IRQ (1<<3) #define GEN8_GT_VCS1_IRQ (1<<2) @@ -6022,6 +6023,16 @@ enum { #define GEN8_GT_IIR(which) _MMIO(0x44308 + (0x10 * (which))) #define GEN8_GT_IER(which) _MMIO(0x4430c + (0x10 * (which))) +#define GEN9_GUC_TO_HOST_INT_EVENT (1<<31) +#define GEN9_GUC_EXEC_ERROR_EVENT (1<<30) +#define GEN9_GUC_DISPLAY_EVENT (1<<29) +#define GEN9_GUC_SEMA_SIGNAL_EVENT (1<<28) +#define GEN9_GUC_IOMMU_MSG_EVENT (1<<27) +#define GEN9_GUC_DB_RING_EVENT (1<<26) +#define GEN9_GUC_DMA_DONE_EVENT (1<<25) +#define GEN9_GUC_FATAL_ERROR_EVENT (1<<24) +#define GEN9_GUC_NOTIFICATION_EVENT (1<<23) + #define GEN8_RCS_IRQ_SHIFT 0 #define GEN8_BCS_IRQ_SHIFT 16 #define GEN8_VCS1_IRQ_SHIFT 0 diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 9b99a84..f7f16ac 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1120,6 +1120,9 @@ void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv, unsigned int pipe_mask); void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, unsigned int pipe_mask); +void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv); +void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv); +void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv); /* intel_crt.c */ void intel_crt_init(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h index d32023c..1fc63fe 100644 --- a/drivers/gpu/drm/i915/intel_guc.h +++ b/drivers/gpu/drm/i915/intel_guc.h @@ -130,6 +130,9 @@ struct intel_guc { struct intel_guc_fw guc_fw; struct intel_guc_log log; + /* GuC2Host interrupt related state */ + bool interrupts_enabled; + struct i915_vma *ads_vma; struct i915_vma *ctx_pool_vma; struct ida ctx_ids; diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c index 6fd24d9..ef35e99 100644 --- a/drivers/gpu/drm/i915/intel_guc_loader.c +++ b/drivers/gpu/drm/i915/intel_guc_loader.c @@ -464,6 +464,7 @@ int intel_guc_setup(struct drm_device *dev) } direct_interrupts_to_host(dev_priv); + gen9_reset_guc_interrupts(dev_priv); guc_fw->guc_fw_load_status = GUC_FIRMWARE_PENDING; @@ -510,6 +511,9 @@ int intel_guc_setup(struct drm_device *dev) intel_guc_fw_status_repr(guc_fw->guc_fw_load_status)); if (i915.enable_guc_submission) { + if (i915.guc_log_level >= 0) + gen9_enable_guc_interrupts(dev_priv); + err = i915_guc_submission_enable(dev_priv); if (err) goto fail;