diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_irq.c | 222 |
1 files changed, 169 insertions, 53 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_irq.c b/drivers/gpu/drm/i915/gt/intel_gt_irq.c index c13462274fe8..75e802e10be2 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_irq.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_irq.c @@ -7,15 +7,22 @@ #include "i915_drv.h" #include "i915_irq.h" +#include "i915_reg.h" #include "intel_breadcrumbs.h" #include "intel_gt.h" #include "intel_gt_irq.h" -#include "intel_lrc_reg.h" +#include "intel_gt_print.h" +#include "intel_gt_regs.h" #include "intel_uncore.h" #include "intel_rps.h" +#include "pxp/intel_pxp_irq.h" +#include "uc/intel_gsc_proxy.h" static void guc_irq_handler(struct intel_guc *guc, u16 iir) { + if (unlikely(!guc->interrupts.enabled)) + return; + if (iir & GUC_INTR_GUC2HOST) intel_guc_to_host_event_handler(guc); } @@ -24,11 +31,11 @@ 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; + void __iomem * const regs = intel_uncore_regs(gt->uncore); u32 timeout_ts; u32 ident; - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); raw_reg_write(regs, GEN11_IIR_REG_SELECTOR(bank), BIT(bit)); @@ -43,8 +50,8 @@ gen11_gt_engine_identity(struct intel_gt *gt, !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); + gt_err(gt, "INTR_IDENTITY_REG%u:%u 0x%08x not valid!\n", + bank, bit, ident); return 0; } @@ -58,32 +65,55 @@ static void gen11_other_irq_handler(struct intel_gt *gt, const u8 instance, const u16 iir) { + struct intel_gt *media_gt = gt->i915->media_gt; + if (instance == OTHER_GUC_INSTANCE) - return guc_irq_handler(>->uc.guc, iir); + return guc_irq_handler(gt_to_guc(gt), iir); + if (instance == OTHER_MEDIA_GUC_INSTANCE && media_gt) + return guc_irq_handler(gt_to_guc(media_gt), iir); if (instance == OTHER_GTPM_INSTANCE) return gen11_rps_irq_handler(>->rps, iir); + if (instance == OTHER_MEDIA_GTPM_INSTANCE && media_gt) + return gen11_rps_irq_handler(&media_gt->rps, iir); + + if (instance == OTHER_KCR_INSTANCE) + return intel_pxp_irq_handler(gt->i915->pxp, iir); + + if (instance == OTHER_GSC_INSTANCE) + return intel_gsc_irq_handler(gt, iir); + + if (instance == OTHER_GSC_HECI_2_INSTANCE) + return intel_gsc_proxy_irq_handler(>->uc.gsc, 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) +static struct intel_gt *pick_gt(struct intel_gt *gt, u8 class, u8 instance) { - struct intel_engine_cs *engine; - - if (instance <= MAX_ENGINE_INSTANCE) - engine = gt->engine_class[class][instance]; - else - engine = NULL; - - if (likely(engine)) - return intel_engine_cs_irq(engine, iir); - - WARN_ONCE(1, "unhandled engine interrupt class=0x%x, instance=0x%x\n", - class, instance); + struct intel_gt *media_gt = gt->i915->media_gt; + + /* we expect the non-media gt to be passed in */ + GEM_BUG_ON(gt == media_gt); + + if (!media_gt) + return gt; + + switch (class) { + case VIDEO_DECODE_CLASS: + case VIDEO_ENHANCEMENT_CLASS: + return media_gt; + case OTHER_CLASS: + if (instance == OTHER_GSC_HECI_2_INSTANCE) + return media_gt; + if ((instance == OTHER_GSC_INSTANCE || instance == OTHER_KCR_INSTANCE) && + HAS_ENGINE(media_gt, GSC0)) + return media_gt; + fallthrough; + default: + return gt; + } } static void @@ -96,8 +126,17 @@ gen11_gt_identity_handler(struct intel_gt *gt, const u32 identity) if (unlikely(!intr)) return; - if (class <= COPY_ENGINE_CLASS) - return gen11_engine_irq_handler(gt, class, instance, intr); + /* + * Platforms with standalone media have the media and GSC engines in + * another GT. + */ + gt = pick_gt(gt, class, instance); + + if (class <= MAX_ENGINE_CLASS && instance <= MAX_ENGINE_INSTANCE) { + struct intel_engine_cs *engine = gt->engine_class[class][instance]; + if (engine) + return intel_engine_cs_irq(engine, intr); + } if (class == OTHER_CLASS) return gen11_other_irq_handler(gt, instance, intr); @@ -109,11 +148,11 @@ gen11_gt_identity_handler(struct intel_gt *gt, const u32 identity) static void gen11_gt_bank_handler(struct intel_gt *gt, const unsigned int bank) { - void __iomem * const regs = gt->uncore->regs; + void __iomem * const regs = intel_uncore_regs(gt->uncore); unsigned long intr_dw; unsigned int bit; - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); intr_dw = raw_reg_read(regs, GEN11_GT_INTR_DW(bank)); @@ -131,23 +170,23 @@ void gen11_gt_irq_handler(struct intel_gt *gt, const u32 master_ctl) { unsigned int bank; - spin_lock(>->irq_lock); + spin_lock(gt->irq_lock); for (bank = 0; bank < 2; bank++) { if (master_ctl & GEN11_GT_DW_IRQ(bank)) gen11_gt_bank_handler(gt, bank); } - spin_unlock(>->irq_lock); + spin_unlock(gt->irq_lock); } bool gen11_gt_reset_one_iir(struct intel_gt *gt, const unsigned int bank, const unsigned int bit) { - void __iomem * const regs = gt->uncore->regs; + void __iomem * const regs = intel_uncore_regs(gt->uncore); u32 dw; - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); dw = raw_reg_read(regs, GEN11_GT_INTR_DW(bank)); if (dw & BIT(bit)) { @@ -178,24 +217,54 @@ void gen11_gt_irq_reset(struct intel_gt *gt) /* 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); + if (CCS_MASK(gt)) + intel_uncore_write(uncore, GEN12_CCS_RSVD_INTR_ENABLE, 0); + if (HAS_HECI_GSC(gt->i915) || HAS_ENGINE(gt, GSC0)) + intel_uncore_write(uncore, GEN11_GUNIT_CSME_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); + if (HAS_ENGINE(gt, BCS1) || HAS_ENGINE(gt, BCS2)) + intel_uncore_write(uncore, XEHPC_BCS1_BCS2_INTR_MASK, ~0); + if (HAS_ENGINE(gt, BCS3) || HAS_ENGINE(gt, BCS4)) + intel_uncore_write(uncore, XEHPC_BCS3_BCS4_INTR_MASK, ~0); + if (HAS_ENGINE(gt, BCS5) || HAS_ENGINE(gt, BCS6)) + intel_uncore_write(uncore, XEHPC_BCS5_BCS6_INTR_MASK, ~0); + if (HAS_ENGINE(gt, BCS7) || HAS_ENGINE(gt, BCS8)) + intel_uncore_write(uncore, XEHPC_BCS7_BCS8_INTR_MASK, ~0); intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK, ~0); intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK, ~0); + if (HAS_ENGINE(gt, VCS4) || HAS_ENGINE(gt, VCS5)) + intel_uncore_write(uncore, GEN12_VCS4_VCS5_INTR_MASK, ~0); + if (HAS_ENGINE(gt, VCS6) || HAS_ENGINE(gt, VCS7)) + intel_uncore_write(uncore, GEN12_VCS6_VCS7_INTR_MASK, ~0); intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~0); + if (HAS_ENGINE(gt, VECS2) || HAS_ENGINE(gt, VECS3)) + intel_uncore_write(uncore, GEN12_VECS2_VECS3_INTR_MASK, ~0); + if (HAS_ENGINE(gt, CCS0) || HAS_ENGINE(gt, CCS1)) + intel_uncore_write(uncore, GEN12_CCS0_CCS1_INTR_MASK, ~0); + if (HAS_ENGINE(gt, CCS2) || HAS_ENGINE(gt, CCS3)) + intel_uncore_write(uncore, GEN12_CCS2_CCS3_INTR_MASK, ~0); + if (HAS_HECI_GSC(gt->i915) || HAS_ENGINE(gt, GSC0)) + intel_uncore_write(uncore, GEN11_GUNIT_CSME_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); + + intel_uncore_write(uncore, GEN11_CRYPTO_RSVD_INTR_ENABLE, 0); + intel_uncore_write(uncore, GEN11_CRYPTO_RSVD_INTR_MASK, ~0); } void gen11_gt_irq_postinstall(struct intel_gt *gt) { struct intel_uncore *uncore = gt->uncore; u32 irqs = GT_RENDER_USER_INTERRUPT; + u32 guc_mask = intel_uc_wants_guc(>->uc) ? GUC_INTR_GUC2HOST : 0; + u32 gsc_mask = 0; + u32 heci_mask = 0; u32 dmask; u32 smask; @@ -207,18 +276,69 @@ void gen11_gt_irq_postinstall(struct intel_gt *gt) dmask = irqs << 16 | irqs; smask = irqs << 16; + if (HAS_ENGINE(gt, GSC0)) { + /* + * the heci2 interrupt is enabled via the same register as the + * GSC interrupt, but it has its own mask register. + */ + gsc_mask = irqs; + heci_mask = GSC_IRQ_INTF(1); /* HECI2 IRQ for SW Proxy*/ + } else if (HAS_HECI_GSC(gt->i915)) { + gsc_mask = GSC_IRQ_INTF(0) | GSC_IRQ_INTF(1); + } + 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); + if (CCS_MASK(gt)) + intel_uncore_write(uncore, GEN12_CCS_RSVD_INTR_ENABLE, smask); + if (gsc_mask) + intel_uncore_write(uncore, GEN11_GUNIT_CSME_INTR_ENABLE, gsc_mask | heci_mask); /* 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); + if (HAS_ENGINE(gt, BCS1) || HAS_ENGINE(gt, BCS2)) + intel_uncore_write(uncore, XEHPC_BCS1_BCS2_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, BCS3) || HAS_ENGINE(gt, BCS4)) + intel_uncore_write(uncore, XEHPC_BCS3_BCS4_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, BCS5) || HAS_ENGINE(gt, BCS6)) + intel_uncore_write(uncore, XEHPC_BCS5_BCS6_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, BCS7) || HAS_ENGINE(gt, BCS8)) + intel_uncore_write(uncore, XEHPC_BCS7_BCS8_INTR_MASK, ~dmask); intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK, ~dmask); intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, VCS4) || HAS_ENGINE(gt, VCS5)) + intel_uncore_write(uncore, GEN12_VCS4_VCS5_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, VCS6) || HAS_ENGINE(gt, VCS7)) + intel_uncore_write(uncore, GEN12_VCS6_VCS7_INTR_MASK, ~dmask); intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, VECS2) || HAS_ENGINE(gt, VECS3)) + intel_uncore_write(uncore, GEN12_VECS2_VECS3_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, CCS0) || HAS_ENGINE(gt, CCS1)) + intel_uncore_write(uncore, GEN12_CCS0_CCS1_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, CCS2) || HAS_ENGINE(gt, CCS3)) + intel_uncore_write(uncore, GEN12_CCS2_CCS3_INTR_MASK, ~dmask); + if (gsc_mask) + intel_uncore_write(uncore, GEN11_GUNIT_CSME_INTR_MASK, ~gsc_mask); + if (heci_mask) + intel_uncore_write(uncore, GEN12_HECI2_RSVD_INTR_MASK, + ~REG_FIELD_PREP(ENGINE1_MASK, heci_mask)); + + if (guc_mask) { + /* the enable bit is common for both GTs but the masks are separate */ + u32 mask = gt->type == GT_MEDIA ? + REG_FIELD_PREP(ENGINE0_MASK, guc_mask) : + REG_FIELD_PREP(ENGINE1_MASK, guc_mask); + + intel_uncore_write(uncore, GEN11_GUC_SG_INTR_ENABLE, + REG_FIELD_PREP(ENGINE1_MASK, guc_mask)); + + /* we might not be the first GT to write this reg */ + intel_uncore_rmw(uncore, MTL_GUC_MGUC_INTR_MASK, mask, 0); + } /* * RPS interrupts will get enabled/disabled on demand when RPS itself @@ -228,10 +348,6 @@ void gen11_gt_irq_postinstall(struct intel_gt *gt) 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); } void gen5_gt_irq_handler(struct intel_gt *gt, u32 gt_iir) @@ -250,9 +366,9 @@ static void gen7_parity_error_irq_handler(struct intel_gt *gt, u32 iir) if (!HAS_L3_DPF(gt->i915)) return; - spin_lock(>->irq_lock); + spin_lock(gt->irq_lock); gen5_gt_disable_irq(gt, GT_PARITY_ERROR(gt->i915)); - spin_unlock(>->irq_lock); + spin_unlock(gt->irq_lock); if (iir & GT_RENDER_L3_PARITY_ERROR_INTERRUPT_S1) gt->i915->l3_parity.which_slice |= 1 << 1; @@ -260,7 +376,7 @@ static void gen7_parity_error_irq_handler(struct intel_gt *gt, u32 iir) if (iir & GT_RENDER_L3_PARITY_ERROR_INTERRUPT) gt->i915->l3_parity.which_slice |= 1 << 0; - schedule_work(>->i915->l3_parity.error_work); + queue_work(gt->i915->unordered_wq, >->i915->l3_parity.error_work); } void gen6_gt_irq_handler(struct intel_gt *gt, u32 gt_iir) @@ -280,7 +396,7 @@ void gen6_gt_irq_handler(struct intel_gt *gt, u32 gt_iir) if (gt_iir & (GT_BLT_CS_ERROR_INTERRUPT | GT_BSD_CS_ERROR_INTERRUPT | GT_CS_MASTER_ERROR_INTERRUPT)) - DRM_DEBUG("Command parser error, gt_iir 0x%08x\n", gt_iir); + gt_dbg(gt, "Command parser error, gt_iir 0x%08x\n", gt_iir); if (gt_iir & GT_PARITY_ERROR(gt->i915)) gen7_parity_error_irq_handler(gt, gt_iir); @@ -288,7 +404,7 @@ void gen6_gt_irq_handler(struct intel_gt *gt, u32 gt_iir) void gen8_gt_irq_handler(struct intel_gt *gt, u32 master_ctl) { - void __iomem * const regs = gt->uncore->regs; + void __iomem * const regs = intel_uncore_regs(gt->uncore); u32 iir; if (master_ctl & (GEN8_GT_RCS_IRQ | GEN8_GT_BCS_IRQ)) { @@ -326,7 +442,7 @@ void gen8_gt_irq_handler(struct intel_gt *gt, u32 master_ctl) iir = raw_reg_read(regs, GEN8_GT_IIR(2)); if (likely(iir)) { gen6_rps_irq_handler(>->rps, iir); - guc_irq_handler(>->uc.guc, iir >> 16); + guc_irq_handler(gt_to_guc(gt), iir >> 16); raw_reg_write(regs, GEN8_GT_IIR(2), iir); } } @@ -336,10 +452,10 @@ void gen8_gt_irq_reset(struct intel_gt *gt) { struct intel_uncore *uncore = gt->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); + gen2_irq_reset(uncore, GEN8_GT_IRQ_REGS(0)); + gen2_irq_reset(uncore, GEN8_GT_IRQ_REGS(1)); + gen2_irq_reset(uncore, GEN8_GT_IRQ_REGS(2)); + gen2_irq_reset(uncore, GEN8_GT_IRQ_REGS(3)); } void gen8_gt_irq_postinstall(struct intel_gt *gt) @@ -360,21 +476,21 @@ void gen8_gt_irq_postinstall(struct intel_gt *gt) 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]); + gen2_irq_init(uncore, GEN8_GT_IRQ_REGS(0), ~gt_interrupts[0], gt_interrupts[0]); + gen2_irq_init(uncore, GEN8_GT_IRQ_REGS(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. + * is enabled/disabled. Same will 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]); + gen2_irq_init(uncore, GEN8_GT_IRQ_REGS(2), gt->pm_imr, gt->pm_ier); + gen2_irq_init(uncore, GEN8_GT_IRQ_REGS(3), ~gt_interrupts[3], gt_interrupts[3]); } static void gen5_gt_update_irq(struct intel_gt *gt, u32 interrupt_mask, u32 enabled_irq_mask) { - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); GEM_BUG_ON(enabled_irq_mask & ~interrupt_mask); @@ -398,9 +514,9 @@ void gen5_gt_irq_reset(struct intel_gt *gt) { struct intel_uncore *uncore = gt->uncore; - GEN3_IRQ_RESET(uncore, GT); + gen2_irq_reset(uncore, GT_IRQ_REGS); if (GRAPHICS_VER(gt->i915) >= 6) - GEN3_IRQ_RESET(uncore, GEN6_PM); + gen2_irq_reset(uncore, GEN6_PM_IRQ_REGS); } void gen5_gt_irq_postinstall(struct intel_gt *gt) @@ -422,7 +538,7 @@ void gen5_gt_irq_postinstall(struct intel_gt *gt) else gt_irqs |= GT_BLT_USER_INTERRUPT | GT_BSD_USER_INTERRUPT; - GEN3_IRQ_INIT(uncore, GT, gt->gt_imr, gt_irqs); + gen2_irq_init(uncore, GT_IRQ_REGS, gt->gt_imr, gt_irqs); if (GRAPHICS_VER(gt->i915) >= 6) { /* @@ -435,6 +551,6 @@ void gen5_gt_irq_postinstall(struct intel_gt *gt) } gt->pm_imr = 0xffffffff; - GEN3_IRQ_INIT(uncore, GEN6_PM, gt->pm_imr, pm_irqs); + gen2_irq_init(uncore, GEN6_PM_IRQ_REGS, gt->pm_imr, pm_irqs); } } |