diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 1095 |
1 files changed, 339 insertions, 756 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index a17d4fd17962..37e3dd3c1a9d 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -37,17 +37,19 @@ #include <drm/drm_irq.h> #include <drm/i915_drm.h> +#include "display/intel_display_types.h" #include "display/intel_fifo_underrun.h" #include "display/intel_hotplug.h" #include "display/intel_lpe_audio.h" #include "display/intel_psr.h" #include "gt/intel_gt.h" +#include "gt/intel_gt_irq.h" +#include "gt/intel_gt_pm_irq.h" #include "i915_drv.h" #include "i915_irq.h" #include "i915_trace.h" -#include "intel_drv.h" #include "intel_pm.h" /** @@ -58,6 +60,8 @@ * and related files, but that will be described in separate chapters. */ +typedef bool (*long_pulse_detect_func)(enum hpd_pin pin, u32 val); + static const u32 hpd_ilk[HPD_NUM_PINS] = { [HPD_PORT_A] = DE_DP_A_HOTPLUG, }; @@ -135,6 +139,15 @@ static const u32 hpd_gen11[HPD_NUM_PINS] = { [HPD_PORT_F] = GEN11_TC4_HOTPLUG | GEN11_TBT4_HOTPLUG }; +static const u32 hpd_gen12[HPD_NUM_PINS] = { + [HPD_PORT_D] = GEN11_TC1_HOTPLUG | GEN11_TBT1_HOTPLUG, + [HPD_PORT_E] = GEN11_TC2_HOTPLUG | GEN11_TBT2_HOTPLUG, + [HPD_PORT_F] = GEN11_TC3_HOTPLUG | GEN11_TBT3_HOTPLUG, + [HPD_PORT_G] = GEN11_TC4_HOTPLUG | GEN11_TBT4_HOTPLUG, + [HPD_PORT_H] = GEN12_TC5_HOTPLUG | GEN12_TBT5_HOTPLUG, + [HPD_PORT_I] = GEN12_TC6_HOTPLUG | GEN12_TBT6_HOTPLUG +}; + static const u32 hpd_icp[HPD_NUM_PINS] = { [HPD_PORT_A] = SDE_DDIA_HOTPLUG_ICP, [HPD_PORT_B] = SDE_DDIB_HOTPLUG_ICP, @@ -150,8 +163,20 @@ static const u32 hpd_mcc[HPD_NUM_PINS] = { [HPD_PORT_C] = SDE_TC1_HOTPLUG_ICP }; -static void gen3_irq_reset(struct intel_uncore *uncore, i915_reg_t imr, - i915_reg_t iir, i915_reg_t ier) +static const u32 hpd_tgp[HPD_NUM_PINS] = { + [HPD_PORT_A] = SDE_DDIA_HOTPLUG_ICP, + [HPD_PORT_B] = SDE_DDIB_HOTPLUG_ICP, + [HPD_PORT_C] = SDE_DDIC_HOTPLUG_TGP, + [HPD_PORT_D] = SDE_TC1_HOTPLUG_ICP, + [HPD_PORT_E] = SDE_TC2_HOTPLUG_ICP, + [HPD_PORT_F] = SDE_TC3_HOTPLUG_ICP, + [HPD_PORT_G] = SDE_TC4_HOTPLUG_ICP, + [HPD_PORT_H] = SDE_TC5_HOTPLUG_TGP, + [HPD_PORT_I] = SDE_TC6_HOTPLUG_TGP, +}; + +void gen3_irq_reset(struct intel_uncore *uncore, i915_reg_t imr, + i915_reg_t iir, i915_reg_t ier) { intel_uncore_write(uncore, imr, 0xffffffff); intel_uncore_posting_read(uncore, imr); @@ -165,7 +190,7 @@ static void gen3_irq_reset(struct intel_uncore *uncore, i915_reg_t imr, intel_uncore_posting_read(uncore, iir); } -static void gen2_irq_reset(struct intel_uncore *uncore) +void gen2_irq_reset(struct intel_uncore *uncore) { intel_uncore_write16(uncore, GEN2_IMR, 0xffff); intel_uncore_posting_read16(uncore, GEN2_IMR); @@ -179,19 +204,6 @@ static void gen2_irq_reset(struct intel_uncore *uncore) intel_uncore_posting_read16(uncore, GEN2_IIR); } -#define GEN8_IRQ_RESET_NDX(uncore, type, which) \ -({ \ - unsigned int which_ = which; \ - gen3_irq_reset((uncore), GEN8_##type##_IMR(which_), \ - GEN8_##type##_IIR(which_), GEN8_##type##_IER(which_)); \ -}) - -#define GEN3_IRQ_RESET(uncore, type) \ - gen3_irq_reset((uncore), type##IMR, type##IIR, type##IER) - -#define GEN2_IRQ_RESET(uncore) \ - gen2_irq_reset(uncore) - /* * We should clear IMR at preinstall/uninstall, and just check at postinstall. */ @@ -225,10 +237,10 @@ static void gen2_assert_iir_is_zero(struct intel_uncore *uncore) intel_uncore_posting_read16(uncore, GEN2_IIR); } -static void gen3_irq_init(struct intel_uncore *uncore, - i915_reg_t imr, u32 imr_val, - i915_reg_t ier, u32 ier_val, - i915_reg_t iir) +void gen3_irq_init(struct intel_uncore *uncore, + i915_reg_t imr, u32 imr_val, + i915_reg_t ier, u32 ier_val, + i915_reg_t iir) { gen3_assert_iir_is_zero(uncore, iir); @@ -237,8 +249,8 @@ static void gen3_irq_init(struct intel_uncore *uncore, intel_uncore_posting_read(uncore, imr); } -static void gen2_irq_init(struct intel_uncore *uncore, - u32 imr_val, u32 ier_val) +void gen2_irq_init(struct intel_uncore *uncore, + u32 imr_val, u32 ier_val) { gen2_assert_iir_is_zero(uncore); @@ -247,27 +259,6 @@ static void gen2_irq_init(struct intel_uncore *uncore, intel_uncore_posting_read16(uncore, GEN2_IMR); } -#define GEN8_IRQ_INIT_NDX(uncore, type, which, imr_val, ier_val) \ -({ \ - unsigned int which_ = which; \ - gen3_irq_init((uncore), \ - GEN8_##type##_IMR(which_), imr_val, \ - GEN8_##type##_IER(which_), ier_val, \ - GEN8_##type##_IIR(which_)); \ -}) - -#define GEN3_IRQ_INIT(uncore, type, imr_val, ier_val) \ - gen3_irq_init((uncore), \ - type##IMR, imr_val, \ - type##IER, ier_val, \ - type##IIR) - -#define GEN2_IRQ_INIT(uncore, imr_val, ier_val) \ - gen2_irq_init((uncore), imr_val, ier_val) - -static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir); -static void guc_irq_handler(struct intel_guc *guc, u16 guc_iir); - /* For display hotplug interrupt */ static inline void i915_hotplug_interrupt_update_locked(struct drm_i915_private *dev_priv, @@ -306,41 +297,6 @@ void i915_hotplug_interrupt_update(struct drm_i915_private *dev_priv, spin_unlock_irq(&dev_priv->irq_lock); } -static u32 -gen11_gt_engine_identity(struct intel_gt *gt, - const unsigned int bank, const unsigned int bit); - -static bool gen11_reset_one_iir(struct intel_gt *gt, - const unsigned int bank, - const unsigned int bit) -{ - void __iomem * const regs = gt->uncore->regs; - u32 dw; - - lockdep_assert_held(>->i915->irq_lock); - - dw = raw_reg_read(regs, GEN11_GT_INTR_DW(bank)); - if (dw & BIT(bit)) { - /* - * According to the BSpec, DW_IIR bits cannot be cleared without - * first servicing the Selector & Shared IIR registers. - */ - gen11_gt_engine_identity(gt, bank, bit); - - /* - * We locked GT INT DW by reading it. If we want to (try - * to) recover from this succesfully, we need to clear - * our bit, otherwise we are locking the register for - * everybody. - */ - raw_reg_write(regs, GEN11_GT_INTR_DW(bank), BIT(bit)); - - return true; - } - - return false; -} - /** * ilk_update_display_irq - update DEIMR * @dev_priv: driver private @@ -371,39 +327,6 @@ void ilk_update_display_irq(struct drm_i915_private *dev_priv, } } -/** - * ilk_update_gt_irq - update GTIMR - * @dev_priv: driver private - * @interrupt_mask: mask of interrupt bits to update - * @enabled_irq_mask: mask of interrupt bits to enable - */ -static void ilk_update_gt_irq(struct drm_i915_private *dev_priv, - u32 interrupt_mask, - u32 enabled_irq_mask) -{ - lockdep_assert_held(&dev_priv->irq_lock); - - WARN_ON(enabled_irq_mask & ~interrupt_mask); - - if (WARN_ON(!intel_irqs_enabled(dev_priv))) - return; - - 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); -} - -void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, u32 mask) -{ - ilk_update_gt_irq(dev_priv, mask, mask); - intel_uncore_posting_read_fw(&dev_priv->uncore, GTIMR); -} - -void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, u32 mask) -{ - ilk_update_gt_irq(dev_priv, mask, 0); -} - static i915_reg_t gen6_pm_iir(struct drm_i915_private *dev_priv) { WARN_ON_ONCE(INTEL_GEN(dev_priv) >= 11); @@ -411,143 +334,28 @@ static i915_reg_t gen6_pm_iir(struct drm_i915_private *dev_priv) return INTEL_GEN(dev_priv) >= 8 ? GEN8_GT_IIR(2) : GEN6_PMIIR; } -static void write_pm_imr(struct intel_gt *gt) -{ - struct drm_i915_private *i915 = gt->i915; - struct intel_uncore *uncore = gt->uncore; - u32 mask = gt->pm_imr; - i915_reg_t reg; - - if (INTEL_GEN(i915) >= 11) { - reg = GEN11_GPM_WGBOXPERF_INTR_MASK; - /* pm is in upper half */ - mask = mask << 16; - } else if (INTEL_GEN(i915) >= 8) { - reg = GEN8_GT_IMR(2); - } else { - reg = GEN6_PMIMR; - } - - intel_uncore_write(uncore, reg, mask); - intel_uncore_posting_read(uncore, reg); -} - -static void write_pm_ier(struct intel_gt *gt) -{ - struct drm_i915_private *i915 = gt->i915; - struct intel_uncore *uncore = gt->uncore; - u32 mask = gt->pm_ier; - i915_reg_t reg; - - if (INTEL_GEN(i915) >= 11) { - reg = GEN11_GPM_WGBOXPERF_INTR_ENABLE; - /* pm is in upper half */ - mask = mask << 16; - } else if (INTEL_GEN(i915) >= 8) { - reg = GEN8_GT_IER(2); - } else { - reg = GEN6_PMIER; - } - - intel_uncore_write(uncore, reg, mask); -} - -/** - * snb_update_pm_irq - update GEN6_PMIMR - * @gt: gt for the interrupts - * @interrupt_mask: mask of interrupt bits to update - * @enabled_irq_mask: mask of interrupt bits to enable - */ -static void snb_update_pm_irq(struct intel_gt *gt, - u32 interrupt_mask, - u32 enabled_irq_mask) -{ - u32 new_val; - - WARN_ON(enabled_irq_mask & ~interrupt_mask); - - lockdep_assert_held(>->i915->irq_lock); - - new_val = gt->pm_imr; - new_val &= ~interrupt_mask; - new_val |= (~enabled_irq_mask & interrupt_mask); - - if (new_val != gt->pm_imr) { - gt->pm_imr = new_val; - write_pm_imr(gt); - } -} - -void gen6_unmask_pm_irq(struct intel_gt *gt, u32 mask) -{ - if (WARN_ON(!intel_irqs_enabled(gt->i915))) - return; - - snb_update_pm_irq(gt, mask, mask); -} - -static void __gen6_mask_pm_irq(struct intel_gt *gt, u32 mask) -{ - snb_update_pm_irq(gt, mask, 0); -} - -void gen6_mask_pm_irq(struct intel_gt *gt, u32 mask) -{ - if (WARN_ON(!intel_irqs_enabled(gt->i915))) - return; - - __gen6_mask_pm_irq(gt, mask); -} - -static void gen6_reset_pm_iir(struct drm_i915_private *dev_priv, u32 reset_mask) -{ - i915_reg_t reg = gen6_pm_iir(dev_priv); - - lockdep_assert_held(&dev_priv->irq_lock); - - I915_WRITE(reg, reset_mask); - I915_WRITE(reg, reset_mask); - POSTING_READ(reg); -} - -static void gen6_enable_pm_irq(struct intel_gt *gt, u32 enable_mask) -{ - lockdep_assert_held(>->i915->irq_lock); - - gt->pm_ier |= enable_mask; - write_pm_ier(gt); - gen6_unmask_pm_irq(gt, enable_mask); - /* unmask_pm_irq provides an implicit barrier (POSTING_READ) */ -} - -static void gen6_disable_pm_irq(struct intel_gt *gt, u32 disable_mask) -{ - lockdep_assert_held(>->i915->irq_lock); - - gt->pm_ier &= ~disable_mask; - __gen6_mask_pm_irq(gt, disable_mask); - write_pm_ier(gt); - /* though a barrier is missing here, but don't really need a one */ -} - void gen11_reset_rps_interrupts(struct drm_i915_private *dev_priv) { - spin_lock_irq(&dev_priv->irq_lock); + struct intel_gt *gt = &dev_priv->gt; - while (gen11_reset_one_iir(&dev_priv->gt, 0, GEN11_GTPM)) + spin_lock_irq(>->irq_lock); + + while (gen11_gt_reset_one_iir(gt, 0, GEN11_GTPM)) ; dev_priv->gt_pm.rps.pm_iir = 0; - spin_unlock_irq(&dev_priv->irq_lock); + spin_unlock_irq(>->irq_lock); } void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv) { - spin_lock_irq(&dev_priv->irq_lock); - gen6_reset_pm_iir(dev_priv, GEN6_PM_RPS_EVENTS); + struct intel_gt *gt = &dev_priv->gt; + + spin_lock_irq(>->irq_lock); + gen6_gt_pm_reset_iir(gt, GEN6_PM_RPS_EVENTS); dev_priv->gt_pm.rps.pm_iir = 0; - spin_unlock_irq(&dev_priv->irq_lock); + spin_unlock_irq(>->irq_lock); } void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv) @@ -558,35 +366,41 @@ void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv) if (READ_ONCE(rps->interrupts_enabled)) return; - spin_lock_irq(&dev_priv->irq_lock); + spin_lock_irq(>->irq_lock); WARN_ON_ONCE(rps->pm_iir); if (INTEL_GEN(dev_priv) >= 11) - WARN_ON_ONCE(gen11_reset_one_iir(gt, 0, GEN11_GTPM)); + WARN_ON_ONCE(gen11_gt_reset_one_iir(gt, 0, GEN11_GTPM)); else WARN_ON_ONCE(I915_READ(gen6_pm_iir(dev_priv)) & dev_priv->pm_rps_events); rps->interrupts_enabled = true; - gen6_enable_pm_irq(gt, dev_priv->pm_rps_events); + gen6_gt_pm_enable_irq(gt, dev_priv->pm_rps_events); - spin_unlock_irq(&dev_priv->irq_lock); + spin_unlock_irq(>->irq_lock); +} + +u32 gen6_sanitize_rps_pm_mask(const struct drm_i915_private *i915, u32 mask) +{ + return mask & ~i915->gt_pm.rps.pm_intrmsk_mbz; } void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv) { struct intel_rps *rps = &dev_priv->gt_pm.rps; + struct intel_gt *gt = &dev_priv->gt; if (!READ_ONCE(rps->interrupts_enabled)) return; - spin_lock_irq(&dev_priv->irq_lock); + spin_lock_irq(>->irq_lock); rps->interrupts_enabled = false; I915_WRITE(GEN6_PMINTRMSK, gen6_sanitize_rps_pm_mask(dev_priv, ~0u)); - gen6_disable_pm_irq(&dev_priv->gt, GEN6_PM_RPS_EVENTS); + gen6_gt_pm_disable_irq(gt, GEN6_PM_RPS_EVENTS); - spin_unlock_irq(&dev_priv->irq_lock); + spin_unlock_irq(>->irq_lock); intel_synchronize_irq(dev_priv); /* Now that we will not be generating any more work, flush any @@ -604,46 +418,44 @@ void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv) void gen9_reset_guc_interrupts(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); - struct drm_i915_private *i915 = gt->i915; - assert_rpm_wakelock_held(&i915->runtime_pm); + assert_rpm_wakelock_held(>->i915->runtime_pm); - spin_lock_irq(&i915->irq_lock); - gen6_reset_pm_iir(i915, gt->pm_guc_events); - spin_unlock_irq(&i915->irq_lock); + spin_lock_irq(>->irq_lock); + gen6_gt_pm_reset_iir(gt, gt->pm_guc_events); + spin_unlock_irq(>->irq_lock); } void gen9_enable_guc_interrupts(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); - struct drm_i915_private *i915 = gt->i915; - assert_rpm_wakelock_held(&i915->runtime_pm); + assert_rpm_wakelock_held(>->i915->runtime_pm); - spin_lock_irq(&i915->irq_lock); + spin_lock_irq(>->irq_lock); if (!guc->interrupts.enabled) { - WARN_ON_ONCE(intel_uncore_read(gt->uncore, gen6_pm_iir(i915)) & + WARN_ON_ONCE(intel_uncore_read(gt->uncore, + gen6_pm_iir(gt->i915)) & gt->pm_guc_events); guc->interrupts.enabled = true; - gen6_enable_pm_irq(gt, gt->pm_guc_events); + gen6_gt_pm_enable_irq(gt, gt->pm_guc_events); } - spin_unlock_irq(&i915->irq_lock); + spin_unlock_irq(>->irq_lock); } void gen9_disable_guc_interrupts(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); - struct drm_i915_private *i915 = gt->i915; - assert_rpm_wakelock_held(&i915->runtime_pm); + assert_rpm_wakelock_held(>->i915->runtime_pm); - spin_lock_irq(&i915->irq_lock); + spin_lock_irq(>->irq_lock); guc->interrupts.enabled = false; - gen6_disable_pm_irq(gt, gt->pm_guc_events); + gen6_gt_pm_disable_irq(gt, gt->pm_guc_events); - spin_unlock_irq(&i915->irq_lock); - intel_synchronize_irq(i915); + spin_unlock_irq(>->irq_lock); + intel_synchronize_irq(gt->i915); gen9_reset_guc_interrupts(guc); } @@ -651,42 +463,40 @@ void gen9_disable_guc_interrupts(struct intel_guc *guc) void gen11_reset_guc_interrupts(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); - struct drm_i915_private *i915 = gt->i915; - spin_lock_irq(&i915->irq_lock); - gen11_reset_one_iir(gt, 0, GEN11_GUC); - spin_unlock_irq(&i915->irq_lock); + spin_lock_irq(>->irq_lock); + gen11_gt_reset_one_iir(gt, 0, GEN11_GUC); + spin_unlock_irq(>->irq_lock); } void gen11_enable_guc_interrupts(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); - spin_lock_irq(>->i915->irq_lock); + spin_lock_irq(>->irq_lock); if (!guc->interrupts.enabled) { u32 events = REG_FIELD_PREP(ENGINE1_MASK, GUC_INTR_GUC2HOST); - WARN_ON_ONCE(gen11_reset_one_iir(gt, 0, GEN11_GUC)); + WARN_ON_ONCE(gen11_gt_reset_one_iir(gt, 0, GEN11_GUC)); intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_ENABLE, events); intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_MASK, ~events); guc->interrupts.enabled = true; } - spin_unlock_irq(>->i915->irq_lock); + spin_unlock_irq(>->irq_lock); } void gen11_disable_guc_interrupts(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); - struct drm_i915_private *i915 = gt->i915; - spin_lock_irq(&i915->irq_lock); + spin_lock_irq(>->irq_lock); guc->interrupts.enabled = false; intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_MASK, ~0); intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_ENABLE, 0); - spin_unlock_irq(&i915->irq_lock); - intel_synchronize_irq(i915); + spin_unlock_irq(>->irq_lock); + intel_synchronize_irq(gt->i915); gen11_reset_guc_interrupts(guc); } @@ -1360,17 +1170,18 @@ static void gen6_pm_rps_work(struct work_struct *work) { struct drm_i915_private *dev_priv = container_of(work, struct drm_i915_private, gt_pm.rps.work); + struct intel_gt *gt = &dev_priv->gt; struct intel_rps *rps = &dev_priv->gt_pm.rps; bool client_boost = false; int new_delay, adj, min, max; u32 pm_iir = 0; - spin_lock_irq(&dev_priv->irq_lock); + spin_lock_irq(>->irq_lock); if (rps->interrupts_enabled) { pm_iir = fetch_and_zero(&rps->pm_iir); client_boost = atomic_read(&rps->num_waiters); } - spin_unlock_irq(&dev_priv->irq_lock); + spin_unlock_irq(>->irq_lock); /* Make sure we didn't queue anything we're not going to process. */ WARN_ON(pm_iir & ~dev_priv->pm_rps_events); @@ -1447,10 +1258,10 @@ static void gen6_pm_rps_work(struct work_struct *work) out: /* Make sure not to corrupt PMIMR state used by ringbuffer on GEN6 */ - spin_lock_irq(&dev_priv->irq_lock); + spin_lock_irq(>->irq_lock); if (rps->interrupts_enabled) - gen6_unmask_pm_irq(&dev_priv->gt, dev_priv->pm_rps_events); - spin_unlock_irq(&dev_priv->irq_lock); + gen6_gt_pm_unmask_irq(gt, dev_priv->pm_rps_events); + spin_unlock_irq(>->irq_lock); } @@ -1467,6 +1278,7 @@ static void ivybridge_parity_work(struct work_struct *work) { struct drm_i915_private *dev_priv = container_of(work, typeof(*dev_priv), l3_parity.error_work); + struct intel_gt *gt = &dev_priv->gt; u32 error_status, row, bank, subbank; char *parity_event[6]; u32 misccpctl; @@ -1528,144 +1340,13 @@ 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)); - spin_unlock_irq(&dev_priv->irq_lock); + spin_lock_irq(>->irq_lock); + gen5_gt_enable_irq(gt, GT_PARITY_ERROR(dev_priv)); + spin_unlock_irq(>->irq_lock); mutex_unlock(&dev_priv->drm.struct_mutex); } -static void ivybridge_parity_error_irq_handler(struct drm_i915_private *dev_priv, - u32 iir) -{ - if (!HAS_L3_DPF(dev_priv)) - return; - - spin_lock(&dev_priv->irq_lock); - gen5_disable_gt_irq(dev_priv, GT_PARITY_ERROR(dev_priv)); - spin_unlock(&dev_priv->irq_lock); - - iir &= GT_PARITY_ERROR(dev_priv); - if (iir & GT_RENDER_L3_PARITY_ERROR_INTERRUPT_S1) - dev_priv->l3_parity.which_slice |= 1 << 1; - - if (iir & GT_RENDER_L3_PARITY_ERROR_INTERRUPT) - dev_priv->l3_parity.which_slice |= 1 << 0; - - queue_work(dev_priv->wq, &dev_priv->l3_parity.error_work); -} - -static void ilk_gt_irq_handler(struct drm_i915_private *dev_priv, - u32 gt_iir) -{ - if (gt_iir & GT_RENDER_USER_INTERRUPT) - intel_engine_breadcrumbs_irq(dev_priv->engine[RCS0]); - if (gt_iir & ILK_BSD_USER_INTERRUPT) - intel_engine_breadcrumbs_irq(dev_priv->engine[VCS0]); -} - -static void snb_gt_irq_handler(struct drm_i915_private *dev_priv, - u32 gt_iir) -{ - if (gt_iir & GT_RENDER_USER_INTERRUPT) - intel_engine_breadcrumbs_irq(dev_priv->engine[RCS0]); - if (gt_iir & GT_BSD_USER_INTERRUPT) - intel_engine_breadcrumbs_irq(dev_priv->engine[VCS0]); - if (gt_iir & GT_BLT_USER_INTERRUPT) - intel_engine_breadcrumbs_irq(dev_priv->engine[BCS0]); - - 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_priv)) - ivybridge_parity_error_irq_handler(dev_priv, gt_iir); -} - -static void -gen8_cs_irq_handler(struct intel_engine_cs *engine, u32 iir) -{ - bool tasklet = false; - - if (iir & GT_CONTEXT_SWITCH_INTERRUPT) - tasklet = true; - - if (iir & GT_RENDER_USER_INTERRUPT) { - intel_engine_breadcrumbs_irq(engine); - tasklet |= intel_engine_needs_breadcrumb_tasklet(engine); - } - - if (tasklet) - tasklet_hi_schedule(&engine->execlists.tasklet); -} - -static void gen8_gt_irq_ack(struct drm_i915_private *i915, - u32 master_ctl, u32 gt_iir[4]) -{ - void __iomem * const regs = i915->uncore.regs; - -#define GEN8_GT_IRQS (GEN8_GT_RCS_IRQ | \ - GEN8_GT_BCS_IRQ | \ - GEN8_GT_VCS0_IRQ | \ - GEN8_GT_VCS1_IRQ | \ - GEN8_GT_VECS_IRQ | \ - GEN8_GT_PM_IRQ | \ - GEN8_GT_GUC_IRQ) - - if (master_ctl & (GEN8_GT_RCS_IRQ | GEN8_GT_BCS_IRQ)) { - gt_iir[0] = raw_reg_read(regs, GEN8_GT_IIR(0)); - if (likely(gt_iir[0])) - raw_reg_write(regs, GEN8_GT_IIR(0), gt_iir[0]); - } - - if (master_ctl & (GEN8_GT_VCS0_IRQ | GEN8_GT_VCS1_IRQ)) { - gt_iir[1] = raw_reg_read(regs, GEN8_GT_IIR(1)); - if (likely(gt_iir[1])) - raw_reg_write(regs, GEN8_GT_IIR(1), gt_iir[1]); - } - - if (master_ctl & (GEN8_GT_PM_IRQ | GEN8_GT_GUC_IRQ)) { - gt_iir[2] = raw_reg_read(regs, GEN8_GT_IIR(2)); - if (likely(gt_iir[2])) - raw_reg_write(regs, GEN8_GT_IIR(2), gt_iir[2]); - } - - if (master_ctl & GEN8_GT_VECS_IRQ) { - gt_iir[3] = raw_reg_read(regs, GEN8_GT_IIR(3)); - if (likely(gt_iir[3])) - raw_reg_write(regs, GEN8_GT_IIR(3), gt_iir[3]); - } -} - -static void gen8_gt_irq_handler(struct drm_i915_private *i915, - u32 master_ctl, u32 gt_iir[4]) -{ - if (master_ctl & (GEN8_GT_RCS_IRQ | GEN8_GT_BCS_IRQ)) { - gen8_cs_irq_handler(i915->engine[RCS0], - gt_iir[0] >> GEN8_RCS_IRQ_SHIFT); - gen8_cs_irq_handler(i915->engine[BCS0], - gt_iir[0] >> GEN8_BCS_IRQ_SHIFT); - } - - if (master_ctl & (GEN8_GT_VCS0_IRQ | GEN8_GT_VCS1_IRQ)) { - gen8_cs_irq_handler(i915->engine[VCS0], - gt_iir[1] >> GEN8_VCS0_IRQ_SHIFT); - gen8_cs_irq_handler(i915->engine[VCS1], - gt_iir[1] >> GEN8_VCS1_IRQ_SHIFT); - } - - if (master_ctl & GEN8_GT_VECS_IRQ) { - gen8_cs_irq_handler(i915->engine[VECS0], - gt_iir[3] >> GEN8_VECS_IRQ_SHIFT); - } - - if (master_ctl & (GEN8_GT_PM_IRQ | GEN8_GT_GUC_IRQ)) { - gen6_rps_irq_handler(i915, gt_iir[2]); - guc_irq_handler(&i915->gt.uc.guc, gt_iir[2] >> 16); - } -} - static bool gen11_port_hotplug_long_detect(enum hpd_pin pin, u32 val) { switch (pin) { @@ -1682,6 +1363,26 @@ static bool gen11_port_hotplug_long_detect(enum hpd_pin pin, u32 val) } } +static bool gen12_port_hotplug_long_detect(enum hpd_pin pin, u32 val) +{ + switch (pin) { + case HPD_PORT_D: + return val & GEN11_HOTPLUG_CTL_LONG_DETECT(PORT_TC1); + case HPD_PORT_E: + return val & GEN11_HOTPLUG_CTL_LONG_DETECT(PORT_TC2); + case HPD_PORT_F: + return val & GEN11_HOTPLUG_CTL_LONG_DETECT(PORT_TC3); + case HPD_PORT_G: + return val & GEN11_HOTPLUG_CTL_LONG_DETECT(PORT_TC4); + case HPD_PORT_H: + return val & GEN11_HOTPLUG_CTL_LONG_DETECT(PORT_TC5); + case HPD_PORT_I: + return val & GEN11_HOTPLUG_CTL_LONG_DETECT(PORT_TC6); + default: + return false; + } +} + static bool bxt_port_hotplug_long_detect(enum hpd_pin pin, u32 val) { switch (pin) { @@ -1703,6 +1404,8 @@ static bool icp_ddi_port_hotplug_long_detect(enum hpd_pin pin, u32 val) return val & ICP_DDIA_HPD_LONG_DETECT; case HPD_PORT_B: return val & ICP_DDIB_HPD_LONG_DETECT; + case HPD_PORT_C: + return val & TGP_DDIC_HPD_LONG_DETECT; default: return false; } @@ -1724,6 +1427,40 @@ static bool icp_tc_port_hotplug_long_detect(enum hpd_pin pin, u32 val) } } +static bool tgp_ddi_port_hotplug_long_detect(enum hpd_pin pin, u32 val) +{ + switch (pin) { + case HPD_PORT_A: + return val & ICP_DDIA_HPD_LONG_DETECT; + case HPD_PORT_B: + return val & ICP_DDIB_HPD_LONG_DETECT; + case HPD_PORT_C: + return val & TGP_DDIC_HPD_LONG_DETECT; + default: + return false; + } +} + +static bool tgp_tc_port_hotplug_long_detect(enum hpd_pin pin, u32 val) +{ + switch (pin) { + case HPD_PORT_D: + return val & ICP_TC_HPD_LONG_DETECT(PORT_TC1); + case HPD_PORT_E: + return val & ICP_TC_HPD_LONG_DETECT(PORT_TC2); + case HPD_PORT_F: + return val & ICP_TC_HPD_LONG_DETECT(PORT_TC3); + case HPD_PORT_G: + return val & ICP_TC_HPD_LONG_DETECT(PORT_TC4); + case HPD_PORT_H: + return val & ICP_TC_HPD_LONG_DETECT(PORT_TC5); + case HPD_PORT_I: + return val & ICP_TC_HPD_LONG_DETECT(PORT_TC6); + default: + return false; + } +} + static bool spt_port_hotplug2_long_detect(enum hpd_pin pin, u32 val) { switch (pin) { @@ -1803,6 +1540,8 @@ static void intel_get_hpd_pins(struct drm_i915_private *dev_priv, { enum hpd_pin pin; + BUILD_BUG_ON(BITS_PER_TYPE(*pin_mask) < HPD_NUM_PINS); + for_each_hpd_pin(pin) { if ((hpd[pin] & hotplug_trigger) == 0) continue; @@ -1916,18 +1655,18 @@ static void i9xx_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, /* The RPS events need forcewake, so we add them to a work queue and mask their * IMR bits until the work is done. Other interrupts can be processed without * the work queue. */ -static void gen11_rps_irq_handler(struct intel_gt *gt, u32 pm_iir) +void gen11_rps_irq_handler(struct intel_gt *gt, u32 pm_iir) { struct drm_i915_private *i915 = gt->i915; struct intel_rps *rps = &i915->gt_pm.rps; const u32 events = i915->pm_rps_events & pm_iir; - lockdep_assert_held(&i915->irq_lock); + lockdep_assert_held(>->irq_lock); if (unlikely(!events)) return; - gen6_mask_pm_irq(gt, events); + gen6_gt_pm_mask_irq(gt, events); if (!rps->interrupts_enabled) return; @@ -1936,19 +1675,19 @@ static void gen11_rps_irq_handler(struct intel_gt *gt, u32 pm_iir) schedule_work(&rps->work); } -static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) +void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) { struct intel_rps *rps = &dev_priv->gt_pm.rps; + struct intel_gt *gt = &dev_priv->gt; if (pm_iir & dev_priv->pm_rps_events) { - spin_lock(&dev_priv->irq_lock); - gen6_mask_pm_irq(&dev_priv->gt, - pm_iir & dev_priv->pm_rps_events); + spin_lock(>->irq_lock); + gen6_gt_pm_mask_irq(gt, pm_iir & dev_priv->pm_rps_events); if (rps->interrupts_enabled) { rps->pm_iir |= pm_iir & dev_priv->pm_rps_events; schedule_work(&rps->work); } - spin_unlock(&dev_priv->irq_lock); + spin_unlock(>->irq_lock); } if (INTEL_GEN(dev_priv) >= 8) @@ -1961,12 +1700,6 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) DRM_DEBUG("Command parser error, pm_iir 0x%08x\n", pm_iir); } -static void guc_irq_handler(struct intel_guc *guc, u16 iir) -{ - if (iir & GUC_INTR_GUC2HOST) - intel_guc_to_host_event_handler(guc); -} - static void i9xx_pipestat_irq_reset(struct drm_i915_private *dev_priv) { enum pipe pipe; @@ -2274,7 +2007,7 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) I915_WRITE(VLV_MASTER_IER, MASTER_INTERRUPT_ENABLE); if (gt_iir) - snb_gt_irq_handler(dev_priv, gt_iir); + gen6_gt_irq_handler(&dev_priv->gt, gt_iir); if (pm_iir) gen6_rps_irq_handler(dev_priv, pm_iir); @@ -2332,7 +2065,7 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) ier = I915_READ(VLV_IER); I915_WRITE(VLV_IER, 0); - gen8_gt_irq_ack(dev_priv, master_ctl, gt_iir); + gen8_gt_irq_ack(&dev_priv->gt, master_ctl, gt_iir); if (iir & I915_DISPLAY_PORT_INTERRUPT) hotplug_status = i9xx_hpd_irq_ack(dev_priv); @@ -2356,7 +2089,7 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) I915_WRITE(VLV_IER, ier); I915_WRITE(GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL); - gen8_gt_irq_handler(dev_priv, master_ctl, gt_iir); + gen8_gt_irq_handler(&dev_priv->gt, master_ctl, gt_iir); if (hotplug_status) i9xx_hpd_irq_handler(dev_priv, hotplug_status); @@ -2526,10 +2259,18 @@ static void cpt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir) static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir, const u32 *pins) { - u32 ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP; - u32 tc_hotplug_trigger = pch_iir & SDE_TC_MASK_ICP; + u32 ddi_hotplug_trigger; + u32 tc_hotplug_trigger; u32 pin_mask = 0, long_mask = 0; + if (HAS_PCH_MCC(dev_priv)) { + ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_TGP; + tc_hotplug_trigger = 0; + } else { + ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP; + tc_hotplug_trigger = pch_iir & SDE_TC_MASK_ICP; + } + if (ddi_hotplug_trigger) { u32 dig_hotplug_reg; @@ -2561,6 +2302,43 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir, gmbus_irq_handler(dev_priv); } +static void tgp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir) +{ + u32 ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_TGP; + u32 tc_hotplug_trigger = pch_iir & SDE_TC_MASK_TGP; + u32 pin_mask = 0, long_mask = 0; + + if (ddi_hotplug_trigger) { + u32 dig_hotplug_reg; + + dig_hotplug_reg = I915_READ(SHOTPLUG_CTL_DDI); + I915_WRITE(SHOTPLUG_CTL_DDI, dig_hotplug_reg); + + intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, + ddi_hotplug_trigger, + dig_hotplug_reg, hpd_tgp, + tgp_ddi_port_hotplug_long_detect); + } + + if (tc_hotplug_trigger) { + u32 dig_hotplug_reg; + + dig_hotplug_reg = I915_READ(SHOTPLUG_CTL_TC); + I915_WRITE(SHOTPLUG_CTL_TC, dig_hotplug_reg); + + intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, + tc_hotplug_trigger, + dig_hotplug_reg, hpd_tgp, + tgp_tc_port_hotplug_long_detect); + } + + if (pin_mask) + intel_hpd_irq_handler(dev_priv, pin_mask, long_mask); + + if (pch_iir & SDE_GMBUS_ICP) + gmbus_irq_handler(dev_priv); +} + static void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir) { u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_SPT & @@ -2741,9 +2519,9 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg) I915_WRITE(GTIIR, gt_iir); ret = IRQ_HANDLED; if (INTEL_GEN(dev_priv) >= 6) - snb_gt_irq_handler(dev_priv, gt_iir); + gen6_gt_irq_handler(&dev_priv->gt, gt_iir); else - ilk_gt_irq_handler(dev_priv, gt_iir); + gen5_gt_irq_handler(&dev_priv->gt, gt_iir); } de_iir = I915_READ(DEIIR); @@ -2796,6 +2574,16 @@ static void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir) u32 pin_mask = 0, long_mask = 0; u32 trigger_tc = iir & GEN11_DE_TC_HOTPLUG_MASK; u32 trigger_tbt = iir & GEN11_DE_TBT_HOTPLUG_MASK; + long_pulse_detect_func long_pulse_detect; + const u32 *hpd; + + if (INTEL_GEN(dev_priv) >= 12) { + long_pulse_detect = gen12_port_hotplug_long_detect; + hpd = hpd_gen12; + } else { + long_pulse_detect = gen11_port_hotplug_long_detect; + hpd = hpd_gen11; + } if (trigger_tc) { u32 dig_hotplug_reg; @@ -2804,8 +2592,7 @@ static void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir) I915_WRITE(GEN11_TC_HOTPLUG_CTL, dig_hotplug_reg); intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, trigger_tc, - dig_hotplug_reg, hpd_gen11, - gen11_port_hotplug_long_detect); + dig_hotplug_reg, hpd, long_pulse_detect); } if (trigger_tbt) { @@ -2815,8 +2602,7 @@ static void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir) I915_WRITE(GEN11_TBT_HOTPLUG_CTL, dig_hotplug_reg); intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, trigger_tbt, - dig_hotplug_reg, hpd_gen11, - gen11_port_hotplug_long_detect); + dig_hotplug_reg, hpd, long_pulse_detect); } if (pin_mask) @@ -2827,19 +2613,25 @@ static void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir) static u32 gen8_de_port_aux_mask(struct drm_i915_private *dev_priv) { - u32 mask = GEN8_AUX_CHANNEL_A; + u32 mask; + + if (INTEL_GEN(dev_priv) >= 12) + /* TODO: Add AUX entries for USBC */ + return TGL_DE_PORT_AUX_DDIA | + TGL_DE_PORT_AUX_DDIB | + TGL_DE_PORT_AUX_DDIC; + mask = GEN8_AUX_CHANNEL_A; if (INTEL_GEN(dev_priv) >= 9) mask |= GEN9_AUX_CHANNEL_B | GEN9_AUX_CHANNEL_C | GEN9_AUX_CHANNEL_D; - if (IS_CNL_WITH_PORT_F(dev_priv)) + if (IS_CNL_WITH_PORT_F(dev_priv) || IS_GEN(dev_priv, 11)) mask |= CNL_AUX_CHANNEL_F; - if (INTEL_GEN(dev_priv) >= 11) - mask |= ICL_AUX_CHANNEL_E | - CNL_AUX_CHANNEL_F; + if (IS_GEN(dev_priv, 11)) + mask |= ICL_AUX_CHANNEL_E; return mask; } @@ -2852,6 +2644,28 @@ static u32 gen8_de_pipe_fault_mask(struct drm_i915_private *dev_priv) return GEN8_DE_PIPE_IRQ_FAULT_ERRORS; } +static void +gen8_de_misc_irq_handler(struct drm_i915_private *dev_priv, u32 iir) +{ + bool found = false; + + if (iir & GEN8_DE_MISC_GSE) { + intel_opregion_asle_intr(dev_priv); + found = true; + } + + if (iir & GEN8_DE_EDP_PSR) { + u32 psr_iir = I915_READ(EDP_PSR_IIR); + + intel_psr_irq_handler(dev_priv, psr_iir); + I915_WRITE(EDP_PSR_IIR, psr_iir); + found = true; + } + + if (!found) + DRM_ERROR("Unexpected DE Misc interrupt\n"); +} + static irqreturn_t gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) { @@ -2862,29 +2676,12 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) if (master_ctl & GEN8_DE_MISC_IRQ) { iir = I915_READ(GEN8_DE_MISC_IIR); if (iir) { - bool found = false; - I915_WRITE(GEN8_DE_MISC_IIR, iir); ret = IRQ_HANDLED; - - if (iir & GEN8_DE_MISC_GSE) { - intel_opregion_asle_intr(dev_priv); - found = true; - } - - if (iir & GEN8_DE_EDP_PSR) { - u32 psr_iir = I915_READ(EDP_PSR_IIR); - - intel_psr_irq_handler(dev_priv, psr_iir); - I915_WRITE(EDP_PSR_IIR, psr_iir); - found = true; - } - - if (!found) - DRM_ERROR("Unexpected DE Misc interrupt\n"); - } - else + gen8_de_misc_irq_handler(dev_priv, iir); + } else { DRM_ERROR("The master control interrupt lied (DE MISC)!\n"); + } } if (INTEL_GEN(dev_priv) >= 11 && (master_ctl & GEN11_DE_HPD_IRQ)) { @@ -2983,7 +2780,9 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) I915_WRITE(SDEIIR, iir); ret = IRQ_HANDLED; - if (INTEL_PCH_TYPE(dev_priv) >= PCH_MCC) + if (INTEL_PCH_TYPE(dev_priv) >= PCH_TGP) + tgp_irq_handler(dev_priv, iir); + else if (INTEL_PCH_TYPE(dev_priv) >= PCH_MCC) icp_irq_handler(dev_priv, iir, hpd_mcc); else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) icp_irq_handler(dev_priv, iir, hpd_icp); @@ -3038,7 +2837,7 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) } /* Find, clear, then process each source of interrupt */ - gen8_gt_irq_ack(dev_priv, master_ctl, gt_iir); + gen8_gt_irq_ack(&dev_priv->gt, master_ctl, gt_iir); /* IRQs are synced during runtime_suspend, we don't require a wakeref */ if (master_ctl & ~GEN8_GT_IRQS) { @@ -3049,135 +2848,12 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) gen8_master_intr_enable(regs); - gen8_gt_irq_handler(dev_priv, master_ctl, gt_iir); + gen8_gt_irq_handler(&dev_priv->gt, master_ctl, gt_iir); return IRQ_HANDLED; } static u32 -gen11_gt_engine_identity(struct intel_gt *gt, - const unsigned int bank, const unsigned int bit) -{ - void __iomem * const regs = gt->uncore->regs; - u32 timeout_ts; - u32 ident; - - lockdep_assert_held(>->i915->irq_lock); - - raw_reg_write(regs, GEN11_IIR_REG_SELECTOR(bank), BIT(bit)); - - /* - * NB: Specs do not specify how long to spin wait, - * so we do ~100us as an educated guess. - */ - timeout_ts = (local_clock() >> 10) + 100; - do { - ident = raw_reg_read(regs, GEN11_INTR_IDENTITY_REG(bank)); - } while (!(ident & GEN11_INTR_DATA_VALID) && - !time_after32(local_clock() >> 10, timeout_ts)); - - if (unlikely(!(ident & GEN11_INTR_DATA_VALID))) { - DRM_ERROR("INTR_IDENTITY_REG%u:%u 0x%08x not valid!\n", - bank, bit, ident); - return 0; - } - - raw_reg_write(regs, GEN11_INTR_IDENTITY_REG(bank), - GEN11_INTR_DATA_VALID); - - return ident; -} - -static void -gen11_other_irq_handler(struct intel_gt *gt, const u8 instance, - const u16 iir) -{ - if (instance == OTHER_GUC_INSTANCE) - return guc_irq_handler(>->uc.guc, iir); - - if (instance == OTHER_GTPM_INSTANCE) - return gen11_rps_irq_handler(gt, iir); - - WARN_ONCE(1, "unhandled other interrupt instance=0x%x, iir=0x%x\n", - instance, iir); -} - -static void -gen11_engine_irq_handler(struct intel_gt *gt, const u8 class, - const u8 instance, const u16 iir) -{ - struct intel_engine_cs *engine; - - if (instance <= MAX_ENGINE_INSTANCE) - engine = gt->i915->engine_class[class][instance]; - else - engine = NULL; - - if (likely(engine)) - return gen8_cs_irq_handler(engine, iir); - - WARN_ONCE(1, "unhandled engine interrupt class=0x%x, instance=0x%x\n", - class, instance); -} - -static void -gen11_gt_identity_handler(struct intel_gt *gt, const u32 identity) -{ - const u8 class = GEN11_INTR_ENGINE_CLASS(identity); - const u8 instance = GEN11_INTR_ENGINE_INSTANCE(identity); - const u16 intr = GEN11_INTR_ENGINE_INTR(identity); - - if (unlikely(!intr)) - return; - - if (class <= COPY_ENGINE_CLASS) - return gen11_engine_irq_handler(gt, class, instance, intr); - - if (class == OTHER_CLASS) - return gen11_other_irq_handler(gt, instance, intr); - - WARN_ONCE(1, "unknown interrupt class=0x%x, instance=0x%x, intr=0x%x\n", - class, instance, intr); -} - -static void -gen11_gt_bank_handler(struct intel_gt *gt, const unsigned int bank) -{ - void __iomem * const regs = gt->uncore->regs; - unsigned long intr_dw; - unsigned int bit; - - lockdep_assert_held(>->i915->irq_lock); - - intr_dw = raw_reg_read(regs, GEN11_GT_INTR_DW(bank)); - - for_each_set_bit(bit, &intr_dw, 32) { - const u32 ident = gen11_gt_engine_identity(gt, bank, bit); - - gen11_gt_identity_handler(gt, ident); - } - - /* Clear must be after shared has been served for engine */ - raw_reg_write(regs, GEN11_GT_INTR_DW(bank), intr_dw); -} - -static void -gen11_gt_irq_handler(struct intel_gt *gt, const u32 master_ctl) -{ - struct drm_i915_private *i915 = gt->i915; - unsigned int bank; - - spin_lock(&i915->irq_lock); - - for (bank = 0; bank < 2; bank++) { - if (master_ctl & GEN11_GT_DW_IRQ(bank)) - gen11_gt_bank_handler(gt, bank); - } - - spin_unlock(&i915->irq_lock); -} - -static u32 gen11_gu_misc_irq_ack(struct intel_gt *gt, const u32 master_ctl) { void __iomem * const regs = gt->uncore->regs; @@ -3485,15 +3161,6 @@ static void ibx_irq_pre_postinstall(struct drm_i915_private *dev_priv) POSTING_READ(SDEIER); } -static void gen5_gt_irq_reset(struct drm_i915_private *dev_priv) -{ - struct intel_uncore *uncore = &dev_priv->uncore; - - GEN3_IRQ_RESET(uncore, GT); - if (INTEL_GEN(dev_priv) >= 6) - GEN3_IRQ_RESET(uncore, GEN6_PM); -} - static void vlv_display_irq_reset(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; @@ -3558,7 +3225,7 @@ static void ironlake_irq_reset(struct drm_i915_private *dev_priv) intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff); } - gen5_gt_irq_reset(dev_priv); + gen5_gt_irq_reset(&dev_priv->gt); ibx_irq_reset(dev_priv); } @@ -3568,7 +3235,7 @@ static void valleyview_irq_reset(struct drm_i915_private *dev_priv) I915_WRITE(VLV_MASTER_IER, 0); POSTING_READ(VLV_MASTER_IER); - gen5_gt_irq_reset(dev_priv); + gen5_gt_irq_reset(&dev_priv->gt); spin_lock_irq(&dev_priv->irq_lock); if (dev_priv->display_irqs_enabled) @@ -3576,16 +3243,6 @@ static void valleyview_irq_reset(struct drm_i915_private *dev_priv) spin_unlock_irq(&dev_priv->irq_lock); } -static void gen8_gt_irq_reset(struct drm_i915_private *dev_priv) -{ - struct intel_uncore *uncore = &dev_priv->uncore; - - GEN8_IRQ_RESET_NDX(uncore, GT, 0); - GEN8_IRQ_RESET_NDX(uncore, GT, 1); - GEN8_IRQ_RESET_NDX(uncore, GT, 2); - GEN8_IRQ_RESET_NDX(uncore, GT, 3); -} - static void gen8_irq_reset(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; @@ -3593,7 +3250,7 @@ static void gen8_irq_reset(struct drm_i915_private *dev_priv) gen8_master_intr_disable(dev_priv->uncore.regs); - gen8_gt_irq_reset(dev_priv); + gen8_gt_irq_reset(&dev_priv->gt); intel_uncore_write(uncore, EDP_PSR_IMR, 0xffffffff); intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff); @@ -3611,27 +3268,6 @@ static void gen8_irq_reset(struct drm_i915_private *dev_priv) ibx_irq_reset(dev_priv); } -static void gen11_gt_irq_reset(struct intel_gt *gt) -{ - struct intel_uncore *uncore = gt->uncore; - - /* Disable RCS, BCS, VCS and VECS class engines. */ - intel_uncore_write(uncore, GEN11_RENDER_COPY_INTR_ENABLE, 0); - intel_uncore_write(uncore, GEN11_VCS_VECS_INTR_ENABLE, 0); - - /* Restore masks irqs on RCS, BCS, VCS and VECS engines. */ - intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK, ~0); - intel_uncore_write(uncore, GEN11_BCS_RSVD_INTR_MASK, ~0); - intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK, ~0); - intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK, ~0); - intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~0); - - intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0); - intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_MASK, ~0); - intel_uncore_write(uncore, GEN11_GUC_SG_INTR_ENABLE, 0); - intel_uncore_write(uncore, GEN11_GUC_SG_INTR_MASK, ~0); -} - static void gen11_irq_reset(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; @@ -3713,7 +3349,7 @@ static void cherryview_irq_reset(struct drm_i915_private *dev_priv) I915_WRITE(GEN8_MASTER_IRQ, 0); POSTING_READ(GEN8_MASTER_IRQ); - gen8_gt_irq_reset(dev_priv); + gen8_gt_irq_reset(&dev_priv->gt); GEN3_IRQ_RESET(uncore, GEN8_PCU_); @@ -3778,21 +3414,21 @@ static void ibx_hpd_irq_setup(struct drm_i915_private *dev_priv) ibx_hpd_detection_setup(dev_priv); } -static void icp_hpd_detection_setup(struct drm_i915_private *dev_priv) +static void icp_hpd_detection_setup(struct drm_i915_private *dev_priv, + u32 ddi_hotplug_enable_mask, + u32 tc_hotplug_enable_mask) { u32 hotplug; hotplug = I915_READ(SHOTPLUG_CTL_DDI); - hotplug |= ICP_DDIA_HPD_ENABLE | - ICP_DDIB_HPD_ENABLE; + hotplug |= ddi_hotplug_enable_mask; I915_WRITE(SHOTPLUG_CTL_DDI, hotplug); - hotplug = I915_READ(SHOTPLUG_CTL_TC); - hotplug |= ICP_TC_HPD_ENABLE(PORT_TC1) | - ICP_TC_HPD_ENABLE(PORT_TC2) | - ICP_TC_HPD_ENABLE(PORT_TC3) | - ICP_TC_HPD_ENABLE(PORT_TC4); - I915_WRITE(SHOTPLUG_CTL_TC, hotplug); + if (tc_hotplug_enable_mask) { + hotplug = I915_READ(SHOTPLUG_CTL_TC); + hotplug |= tc_hotplug_enable_mask; + I915_WRITE(SHOTPLUG_CTL_TC, hotplug); + } } static void icp_hpd_irq_setup(struct drm_i915_private *dev_priv) @@ -3804,7 +3440,33 @@ static void icp_hpd_irq_setup(struct drm_i915_private *dev_priv) ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs); - icp_hpd_detection_setup(dev_priv); + icp_hpd_detection_setup(dev_priv, ICP_DDI_HPD_ENABLE_MASK, + ICP_TC_HPD_ENABLE_MASK); +} + +static void mcc_hpd_irq_setup(struct drm_i915_private *dev_priv) +{ + u32 hotplug_irqs, enabled_irqs; + + hotplug_irqs = SDE_DDI_MASK_TGP; + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_mcc); + + ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs); + + icp_hpd_detection_setup(dev_priv, TGP_DDI_HPD_ENABLE_MASK, 0); +} + +static void tgp_hpd_irq_setup(struct drm_i915_private *dev_priv) +{ + u32 hotplug_irqs, enabled_irqs; + + hotplug_irqs = SDE_DDI_MASK_TGP | SDE_TC_MASK_TGP; + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_tgp); + + ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs); + + icp_hpd_detection_setup(dev_priv, TGP_DDI_HPD_ENABLE_MASK, + TGP_TC_HPD_ENABLE_MASK); } static void gen11_hpd_detection_setup(struct drm_i915_private *dev_priv) @@ -3829,9 +3491,11 @@ static void gen11_hpd_detection_setup(struct drm_i915_private *dev_priv) static void gen11_hpd_irq_setup(struct drm_i915_private *dev_priv) { u32 hotplug_irqs, enabled_irqs; + const u32 *hpd; u32 val; - enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_gen11); + hpd = INTEL_GEN(dev_priv) >= 12 ? hpd_gen12 : hpd_gen11; + enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd); hotplug_irqs = GEN11_DE_TC_HOTPLUG_MASK | GEN11_DE_TBT_HOTPLUG_MASK; val = I915_READ(GEN11_DE_HPD_IMR); @@ -3841,7 +3505,9 @@ static void gen11_hpd_irq_setup(struct drm_i915_private *dev_priv) gen11_hpd_detection_setup(dev_priv); - if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) + if (INTEL_PCH_TYPE(dev_priv) >= PCH_TGP) + tgp_hpd_irq_setup(dev_priv); + else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) icp_hpd_irq_setup(dev_priv); } @@ -3996,44 +3662,6 @@ static void ibx_irq_postinstall(struct drm_i915_private *dev_priv) spt_hpd_detection_setup(dev_priv); } -static void gen5_gt_irq_postinstall(struct drm_i915_private *dev_priv) -{ - struct intel_uncore *uncore = &dev_priv->uncore; - u32 pm_irqs, gt_irqs; - - pm_irqs = gt_irqs = 0; - - dev_priv->gt_irq_mask = ~0; - if (HAS_L3_DPF(dev_priv)) { - /* L3 parity interrupt is always unmasked. */ - dev_priv->gt_irq_mask = ~GT_PARITY_ERROR(dev_priv); - gt_irqs |= GT_PARITY_ERROR(dev_priv); - } - - gt_irqs |= GT_RENDER_USER_INTERRUPT; - if (IS_GEN(dev_priv, 5)) { - gt_irqs |= ILK_BSD_USER_INTERRUPT; - } else { - gt_irqs |= GT_BLT_USER_INTERRUPT | GT_BSD_USER_INTERRUPT; - } - - GEN3_IRQ_INIT(uncore, GT, dev_priv->gt_irq_mask, gt_irqs); - - if (INTEL_GEN(dev_priv) >= 6) { - /* - * RPS interrupts will get enabled/disabled on demand when RPS - * itself is enabled/disabled. - */ - if (HAS_ENGINE(dev_priv, VECS0)) { - pm_irqs |= PM_VEBOX_USER_INTERRUPT; - dev_priv->gt.pm_ier |= PM_VEBOX_USER_INTERRUPT; - } - - dev_priv->gt.pm_imr = 0xffffffff; - GEN3_IRQ_INIT(uncore, GEN6_PM, dev_priv->gt.pm_imr, pm_irqs); - } -} - static void ironlake_irq_postinstall(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; @@ -4067,7 +3695,7 @@ static void ironlake_irq_postinstall(struct drm_i915_private *dev_priv) GEN3_IRQ_INIT(uncore, DE, dev_priv->irq_mask, display_mask | extra_mask); - gen5_gt_irq_postinstall(dev_priv); + gen5_gt_irq_postinstall(&dev_priv->gt); ilk_hpd_detection_setup(dev_priv); @@ -4116,7 +3744,7 @@ void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv) static void valleyview_irq_postinstall(struct drm_i915_private *dev_priv) { - gen5_gt_irq_postinstall(dev_priv); + gen5_gt_irq_postinstall(&dev_priv->gt); spin_lock_irq(&dev_priv->irq_lock); if (dev_priv->display_irqs_enabled) @@ -4127,41 +3755,6 @@ static void valleyview_irq_postinstall(struct drm_i915_private *dev_priv) POSTING_READ(VLV_MASTER_IER); } -static void gen8_gt_irq_postinstall(struct drm_i915_private *i915) -{ - struct intel_gt *gt = &i915->gt; - struct intel_uncore *uncore = gt->uncore; - - /* These are interrupts we'll toggle with the ring mask register */ - u32 gt_interrupts[] = { - (GT_RENDER_USER_INTERRUPT << GEN8_RCS_IRQ_SHIFT | - GT_CONTEXT_SWITCH_INTERRUPT << GEN8_RCS_IRQ_SHIFT | - GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT | - GT_CONTEXT_SWITCH_INTERRUPT << GEN8_BCS_IRQ_SHIFT), - - (GT_RENDER_USER_INTERRUPT << GEN8_VCS0_IRQ_SHIFT | - GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VCS0_IRQ_SHIFT | - GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT | - GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VCS1_IRQ_SHIFT), - - 0, - - (GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT | - GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VECS_IRQ_SHIFT) - }; - - gt->pm_ier = 0x0; - gt->pm_imr = ~gt->pm_ier; - GEN8_IRQ_INIT_NDX(uncore, GT, 0, ~gt_interrupts[0], gt_interrupts[0]); - GEN8_IRQ_INIT_NDX(uncore, GT, 1, ~gt_interrupts[1], gt_interrupts[1]); - /* - * RPS interrupts will get enabled/disabled on demand when RPS itself - * is enabled/disabled. Same wil be the case for GuC interrupts. - */ - GEN8_IRQ_INIT_NDX(uncore, GT, 2, gt->pm_imr, gt->pm_ier); - GEN8_IRQ_INIT_NDX(uncore, GT, 3, ~gt_interrupts[3], gt_interrupts[3]); -} - static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; @@ -4237,7 +3830,7 @@ static void gen8_irq_postinstall(struct drm_i915_private *dev_priv) if (HAS_PCH_SPLIT(dev_priv)) ibx_irq_pre_postinstall(dev_priv); - gen8_gt_irq_postinstall(dev_priv); + gen8_gt_irq_postinstall(&dev_priv->gt); gen8_de_irq_postinstall(dev_priv); if (HAS_PCH_SPLIT(dev_priv)) @@ -4246,40 +3839,6 @@ static void gen8_irq_postinstall(struct drm_i915_private *dev_priv) gen8_master_intr_enable(dev_priv->uncore.regs); } -static void gen11_gt_irq_postinstall(struct intel_gt *gt) -{ - const u32 irqs = GT_RENDER_USER_INTERRUPT | GT_CONTEXT_SWITCH_INTERRUPT; - struct intel_uncore *uncore = gt->uncore; - const u32 dmask = irqs << 16 | irqs; - const u32 smask = irqs << 16; - - BUILD_BUG_ON(irqs & 0xffff0000); - - /* Enable RCS, BCS, VCS and VECS class interrupts. */ - intel_uncore_write(uncore, GEN11_RENDER_COPY_INTR_ENABLE, dmask); - intel_uncore_write(uncore, GEN11_VCS_VECS_INTR_ENABLE, dmask); - - /* Unmask irqs on RCS, BCS, VCS and VECS engines. */ - intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK, ~smask); - intel_uncore_write(uncore, GEN11_BCS_RSVD_INTR_MASK, ~smask); - intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK, ~dmask); - intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK, ~dmask); - intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~dmask); - - /* - * RPS interrupts will get enabled/disabled on demand when RPS itself - * is enabled/disabled. - */ - gt->pm_ier = 0x0; - gt->pm_imr = ~gt->pm_ier; - intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0); - intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_MASK, ~0); - - /* Same thing for GuC interrupts */ - intel_uncore_write(uncore, GEN11_GUC_SG_INTR_ENABLE, 0); - intel_uncore_write(uncore, GEN11_GUC_SG_INTR_MASK, ~0); -} - static void icp_irq_postinstall(struct drm_i915_private *dev_priv) { u32 mask = SDE_GMBUS_ICP; @@ -4291,7 +3850,14 @@ static void icp_irq_postinstall(struct drm_i915_private *dev_priv) gen3_assert_iir_is_zero(&dev_priv->uncore, SDEIIR); I915_WRITE(SDEIMR, ~mask); - icp_hpd_detection_setup(dev_priv); + if (HAS_PCH_TGP(dev_priv)) + icp_hpd_detection_setup(dev_priv, TGP_DDI_HPD_ENABLE_MASK, + TGP_TC_HPD_ENABLE_MASK); + else if (HAS_PCH_MCC(dev_priv)) + icp_hpd_detection_setup(dev_priv, TGP_DDI_HPD_ENABLE_MASK, 0); + else + icp_hpd_detection_setup(dev_priv, ICP_DDI_HPD_ENABLE_MASK, + ICP_TC_HPD_ENABLE_MASK); } static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) @@ -4315,7 +3881,7 @@ static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) static void cherryview_irq_postinstall(struct drm_i915_private *dev_priv) { - gen8_gt_irq_postinstall(dev_priv); + gen8_gt_irq_postinstall(&dev_priv->gt); spin_lock_irq(&dev_priv->irq_lock); if (dev_priv->display_irqs_enabled) @@ -4821,7 +4387,10 @@ void intel_irq_init(struct drm_i915_private *dev_priv) if (I915_HAS_HOTPLUG(dev_priv)) dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; } else { - if (INTEL_GEN(dev_priv) >= 11) + if (HAS_PCH_MCC(dev_priv)) + /* EHL doesn't need most of gen11_hpd_irq_setup */ + dev_priv->display.hpd_irq_setup = mcc_hpd_irq_setup; + else if (INTEL_GEN(dev_priv) >= 11) dev_priv->display.hpd_irq_setup = gen11_hpd_irq_setup; else if (IS_GEN9_LP(dev_priv)) dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup; @@ -5014,3 +4583,17 @@ void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv) intel_irq_reset(dev_priv); intel_irq_postinstall(dev_priv); } + +bool intel_irqs_enabled(struct drm_i915_private *dev_priv) +{ + /* + * We only use drm_irq_uninstall() at unload and VT switch, so + * this is the only thing we need to check. + */ + return dev_priv->runtime_pm.irqs_enabled; +} + +void intel_synchronize_irq(struct drm_i915_private *i915) +{ + synchronize_irq(i915->drm.pdev->irq); +} |