diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 535 |
1 files changed, 180 insertions, 355 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 8130f043693b..95042879bec4 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -34,7 +34,6 @@ #include <drm/drm_drv.h> #include "display/intel_display_irq.h" -#include "display/intel_display_types.h" #include "display/intel_hotplug.h" #include "display/intel_hotplug_irq.h" #include "display/intel_lpe_audio.h" @@ -78,39 +77,24 @@ static inline void pmu_irq_stats(struct drm_i915_private *i915, WRITE_ONCE(i915->pmu.irq_count, i915->pmu.irq_count + 1); } -void gen3_irq_reset(struct intel_uncore *uncore, i915_reg_t imr, - i915_reg_t iir, i915_reg_t ier) +void gen2_irq_reset(struct intel_uncore *uncore, struct i915_irq_regs regs) { - intel_uncore_write(uncore, imr, 0xffffffff); - intel_uncore_posting_read(uncore, imr); + intel_uncore_write(uncore, regs.imr, 0xffffffff); + intel_uncore_posting_read(uncore, regs.imr); - intel_uncore_write(uncore, ier, 0); + intel_uncore_write(uncore, regs.ier, 0); /* IIR can theoretically queue up two events. Be paranoid. */ - intel_uncore_write(uncore, iir, 0xffffffff); - intel_uncore_posting_read(uncore, iir); - intel_uncore_write(uncore, iir, 0xffffffff); - intel_uncore_posting_read(uncore, iir); -} - -static void gen2_irq_reset(struct intel_uncore *uncore) -{ - intel_uncore_write16(uncore, GEN2_IMR, 0xffff); - intel_uncore_posting_read16(uncore, GEN2_IMR); - - intel_uncore_write16(uncore, GEN2_IER, 0); - - /* IIR can theoretically queue up two events. Be paranoid. */ - intel_uncore_write16(uncore, GEN2_IIR, 0xffff); - intel_uncore_posting_read16(uncore, GEN2_IIR); - intel_uncore_write16(uncore, GEN2_IIR, 0xffff); - intel_uncore_posting_read16(uncore, GEN2_IIR); + intel_uncore_write(uncore, regs.iir, 0xffffffff); + intel_uncore_posting_read(uncore, regs.iir); + intel_uncore_write(uncore, regs.iir, 0xffffffff); + intel_uncore_posting_read(uncore, regs.iir); } /* * We should clear IMR at preinstall/uninstall, and just check at postinstall. */ -void gen3_assert_iir_is_zero(struct intel_uncore *uncore, i915_reg_t reg) +void gen2_assert_iir_is_zero(struct intel_uncore *uncore, i915_reg_t reg) { u32 val = intel_uncore_read(uncore, reg); @@ -126,42 +110,37 @@ void gen3_assert_iir_is_zero(struct intel_uncore *uncore, i915_reg_t reg) intel_uncore_posting_read(uncore, reg); } -static void gen2_assert_iir_is_zero(struct intel_uncore *uncore) +void gen2_irq_init(struct intel_uncore *uncore, struct i915_irq_regs regs, + u32 imr_val, u32 ier_val) { - u16 val = intel_uncore_read16(uncore, GEN2_IIR); + gen2_assert_iir_is_zero(uncore, regs.iir); - if (val == 0) - return; - - drm_WARN(&uncore->i915->drm, 1, - "Interrupt register 0x%x is not zero: 0x%08x\n", - i915_mmio_reg_offset(GEN2_IIR), val); - intel_uncore_write16(uncore, GEN2_IIR, 0xffff); - intel_uncore_posting_read16(uncore, GEN2_IIR); - intel_uncore_write16(uncore, GEN2_IIR, 0xffff); - intel_uncore_posting_read16(uncore, GEN2_IIR); + intel_uncore_write(uncore, regs.ier, ier_val); + intel_uncore_write(uncore, regs.imr, imr_val); + intel_uncore_posting_read(uncore, regs.imr); } -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 gen2_error_reset(struct intel_uncore *uncore, struct i915_error_regs regs) { - gen3_assert_iir_is_zero(uncore, iir); + intel_uncore_write(uncore, regs.emr, 0xffffffff); + intel_uncore_posting_read(uncore, regs.emr); - intel_uncore_write(uncore, ier, ier_val); - intel_uncore_write(uncore, imr, imr_val); - intel_uncore_posting_read(uncore, imr); + intel_uncore_write(uncore, regs.eir, 0xffffffff); + intel_uncore_posting_read(uncore, regs.eir); + intel_uncore_write(uncore, regs.eir, 0xffffffff); + intel_uncore_posting_read(uncore, regs.eir); } -static void gen2_irq_init(struct intel_uncore *uncore, - u32 imr_val, u32 ier_val) +void gen2_error_init(struct intel_uncore *uncore, struct i915_error_regs regs, + u32 emr_val) { - gen2_assert_iir_is_zero(uncore); + intel_uncore_write(uncore, regs.eir, 0xffffffff); + intel_uncore_posting_read(uncore, regs.eir); + intel_uncore_write(uncore, regs.eir, 0xffffffff); + intel_uncore_posting_read(uncore, regs.eir); - intel_uncore_write16(uncore, GEN2_IER, ier_val); - intel_uncore_write16(uncore, GEN2_IMR, imr_val); - intel_uncore_posting_read16(uncore, GEN2_IMR); + intel_uncore_write(uncore, regs.emr, emr_val); + intel_uncore_posting_read(uncore, regs.emr); } /** @@ -251,6 +230,7 @@ out: static irqreturn_t valleyview_irq_handler(int irq, void *arg) { struct drm_i915_private *dev_priv = arg; + struct intel_display *display = &dev_priv->display; irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -261,6 +241,7 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) do { u32 iir, gt_iir, pm_iir; + u32 eir = 0, dpinvgtt = 0; u32 pipe_stats[I915_MAX_PIPES] = {}; u32 hotplug_status = 0; u32 ier = 0; @@ -296,15 +277,18 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) intel_uncore_write(&dev_priv->uncore, GEN6_PMIIR, pm_iir); if (iir & I915_DISPLAY_PORT_INTERRUPT) - hotplug_status = i9xx_hpd_irq_ack(dev_priv); + hotplug_status = i9xx_hpd_irq_ack(display); + + if (iir & I915_MASTER_ERROR_INTERRUPT) + vlv_display_error_irq_ack(display, &eir, &dpinvgtt); /* Call regardless, as some status bits might not be - * signalled in iir */ - i9xx_pipestat_irq_ack(dev_priv, iir, pipe_stats); + * signalled in IIR */ + i9xx_pipestat_irq_ack(display, iir, pipe_stats); if (iir & (I915_LPE_PIPE_A_INTERRUPT | I915_LPE_PIPE_B_INTERRUPT)) - intel_lpe_audio_irq_handler(dev_priv); + intel_lpe_audio_irq_handler(display); /* * VLV_IIR is single buffered, and reflects the level @@ -322,9 +306,12 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) gen6_rps_irq_handler(&to_gt(dev_priv)->rps, pm_iir); if (hotplug_status) - i9xx_hpd_irq_handler(dev_priv, hotplug_status); + i9xx_hpd_irq_handler(display, hotplug_status); + + if (iir & I915_MASTER_ERROR_INTERRUPT) + vlv_display_error_irq_handler(display, eir, dpinvgtt); - valleyview_pipestat_irq_handler(dev_priv, pipe_stats); + valleyview_pipestat_irq_handler(display, pipe_stats); } while (0); pmu_irq_stats(dev_priv, ret); @@ -337,6 +324,7 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) static irqreturn_t cherryview_irq_handler(int irq, void *arg) { struct drm_i915_private *dev_priv = arg; + struct intel_display *display = &dev_priv->display; irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -347,6 +335,7 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) do { u32 master_ctl, iir; + u32 eir = 0, dpinvgtt = 0; u32 pipe_stats[I915_MAX_PIPES] = {}; u32 hotplug_status = 0; u32 ier = 0; @@ -378,16 +367,19 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) gen8_gt_irq_handler(to_gt(dev_priv), master_ctl); if (iir & I915_DISPLAY_PORT_INTERRUPT) - hotplug_status = i9xx_hpd_irq_ack(dev_priv); + hotplug_status = i9xx_hpd_irq_ack(display); + + if (iir & I915_MASTER_ERROR_INTERRUPT) + vlv_display_error_irq_ack(display, &eir, &dpinvgtt); /* Call regardless, as some status bits might not be - * signalled in iir */ - i9xx_pipestat_irq_ack(dev_priv, iir, pipe_stats); + * signalled in IIR */ + i9xx_pipestat_irq_ack(display, iir, pipe_stats); if (iir & (I915_LPE_PIPE_A_INTERRUPT | I915_LPE_PIPE_B_INTERRUPT | I915_LPE_PIPE_C_INTERRUPT)) - intel_lpe_audio_irq_handler(dev_priv); + intel_lpe_audio_irq_handler(display); /* * VLV_IIR is single buffered, and reflects the level @@ -400,9 +392,12 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) intel_uncore_write(&dev_priv->uncore, GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL); if (hotplug_status) - i9xx_hpd_irq_handler(dev_priv, hotplug_status); + i9xx_hpd_irq_handler(display, hotplug_status); - valleyview_pipestat_irq_handler(dev_priv, pipe_stats); + if (iir & I915_MASTER_ERROR_INTERRUPT) + vlv_display_error_irq_handler(display, eir, dpinvgtt); + + valleyview_pipestat_irq_handler(display, pipe_stats); } while (0); pmu_irq_stats(dev_priv, ret); @@ -423,6 +418,7 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) static irqreturn_t ilk_irq_handler(int irq, void *arg) { struct drm_i915_private *i915 = arg; + struct intel_display *display = &i915->display; void __iomem * const regs = intel_uncore_regs(&i915->uncore); u32 de_iir, gt_iir, de_ier, sde_ier = 0; irqreturn_t ret = IRQ_NONE; @@ -463,9 +459,9 @@ static irqreturn_t ilk_irq_handler(int irq, void *arg) if (de_iir) { raw_reg_write(regs, DEIIR, de_iir); if (DISPLAY_VER(i915) >= 7) - ivb_display_irq_handler(i915, de_iir); + ivb_display_irq_handler(display, de_iir); else - ilk_display_irq_handler(i915, de_iir); + ilk_display_irq_handler(display, de_iir); ret = IRQ_HANDLED; } @@ -511,6 +507,7 @@ static inline void gen8_master_intr_enable(void __iomem * const regs) static irqreturn_t gen8_irq_handler(int irq, void *arg) { struct drm_i915_private *dev_priv = arg; + struct intel_display *display = &dev_priv->display; void __iomem * const regs = intel_uncore_regs(&dev_priv->uncore); u32 master_ctl; @@ -529,7 +526,7 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) /* IRQs are synced during runtime_suspend, we don't require a wakeref */ if (master_ctl & ~GEN8_GT_IRQS) { disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); - gen8_de_irq_handler(dev_priv, master_ctl); + gen8_de_irq_handler(display, master_ctl); enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); } @@ -561,6 +558,7 @@ static inline void gen11_master_intr_enable(void __iomem * const regs) static irqreturn_t gen11_irq_handler(int irq, void *arg) { struct drm_i915_private *i915 = arg; + struct intel_display *display = &i915->display; void __iomem * const regs = intel_uncore_regs(&i915->uncore); struct intel_gt *gt = to_gt(i915); u32 master_ctl; @@ -580,13 +578,13 @@ static irqreturn_t gen11_irq_handler(int irq, void *arg) /* IRQs are synced during runtime_suspend, we don't require a wakeref */ if (master_ctl & GEN11_DISPLAY_IRQ) - gen11_display_irq_handler(i915); + gen11_display_irq_handler(display); - gu_misc_iir = gen11_gu_misc_irq_ack(i915, master_ctl); + gu_misc_iir = gen11_gu_misc_irq_ack(display, master_ctl); gen11_master_intr_enable(regs); - gen11_gu_misc_irq_handler(i915, gu_misc_iir); + gen11_gu_misc_irq_handler(display, gu_misc_iir); pmu_irq_stats(i915, IRQ_HANDLED); @@ -618,6 +616,7 @@ static inline void dg1_master_intr_enable(void __iomem * const regs) static irqreturn_t dg1_irq_handler(int irq, void *arg) { struct drm_i915_private * const i915 = arg; + struct intel_display *display = &i915->display; struct intel_gt *gt = to_gt(i915); void __iomem * const regs = intel_uncore_regs(gt->uncore); u32 master_tile_ctl, master_ctl; @@ -646,39 +645,25 @@ static irqreturn_t dg1_irq_handler(int irq, void *arg) gen11_gt_irq_handler(gt, master_ctl); if (master_ctl & GEN11_DISPLAY_IRQ) - gen11_display_irq_handler(i915); + gen11_display_irq_handler(display); - gu_misc_iir = gen11_gu_misc_irq_ack(i915, master_ctl); + gu_misc_iir = gen11_gu_misc_irq_ack(display, master_ctl); dg1_master_intr_enable(regs); - gen11_gu_misc_irq_handler(i915, gu_misc_iir); + gen11_gu_misc_irq_handler(display, gu_misc_iir); pmu_irq_stats(i915, IRQ_HANDLED); return IRQ_HANDLED; } -static void ibx_irq_reset(struct drm_i915_private *dev_priv) -{ - struct intel_uncore *uncore = &dev_priv->uncore; - - if (HAS_PCH_NOP(dev_priv)) - return; - - GEN3_IRQ_RESET(uncore, SDE); - - if (HAS_PCH_CPT(dev_priv) || HAS_PCH_LPT(dev_priv)) - intel_uncore_write(&dev_priv->uncore, SERR_INT, 0xffffffff); -} - -/* drm_dma.h hooks -*/ static void ilk_irq_reset(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_uncore *uncore = &dev_priv->uncore; - GEN3_IRQ_RESET(uncore, DE); + gen2_irq_reset(uncore, DE_IRQ_REGS); dev_priv->irq_mask = ~0u; if (GRAPHICS_VER(dev_priv) == 7) @@ -691,53 +676,51 @@ static void ilk_irq_reset(struct drm_i915_private *dev_priv) gen5_gt_irq_reset(to_gt(dev_priv)); - ibx_irq_reset(dev_priv); + ibx_display_irq_reset(display); } static void valleyview_irq_reset(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; + intel_uncore_write(&dev_priv->uncore, VLV_MASTER_IER, 0); intel_uncore_posting_read(&dev_priv->uncore, VLV_MASTER_IER); gen5_gt_irq_reset(to_gt(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); + vlv_display_irq_reset(display); } static void gen8_irq_reset(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_uncore *uncore = &dev_priv->uncore; gen8_master_intr_disable(intel_uncore_regs(uncore)); gen8_gt_irq_reset(to_gt(dev_priv)); - gen8_display_irq_reset(dev_priv); - GEN3_IRQ_RESET(uncore, GEN8_PCU_); - - if (HAS_PCH_SPLIT(dev_priv)) - ibx_irq_reset(dev_priv); - + gen8_display_irq_reset(display); + gen2_irq_reset(uncore, GEN8_PCU_IRQ_REGS); } static void gen11_irq_reset(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_gt *gt = to_gt(dev_priv); struct intel_uncore *uncore = gt->uncore; gen11_master_intr_disable(intel_uncore_regs(&dev_priv->uncore)); gen11_gt_irq_reset(gt); - gen11_display_irq_reset(dev_priv); + gen11_display_irq_reset(display); - GEN3_IRQ_RESET(uncore, GEN11_GU_MISC_); - GEN3_IRQ_RESET(uncore, GEN8_PCU_); + gen2_irq_reset(uncore, GEN11_GU_MISC_IRQ_REGS); + gen2_irq_reset(uncore, GEN8_PCU_IRQ_REGS); } static void dg1_irq_reset(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_uncore *uncore = &dev_priv->uncore; struct intel_gt *gt; unsigned int i; @@ -747,16 +730,17 @@ static void dg1_irq_reset(struct drm_i915_private *dev_priv) for_each_gt(gt, dev_priv, i) gen11_gt_irq_reset(gt); - gen11_display_irq_reset(dev_priv); + gen11_display_irq_reset(display); - GEN3_IRQ_RESET(uncore, GEN11_GU_MISC_); - GEN3_IRQ_RESET(uncore, GEN8_PCU_); + gen2_irq_reset(uncore, GEN11_GU_MISC_IRQ_REGS); + gen2_irq_reset(uncore, GEN8_PCU_IRQ_REGS); intel_uncore_write(uncore, GEN11_GFX_MSTR_IRQ, ~0); } static void cherryview_irq_reset(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_uncore *uncore = &dev_priv->uncore; intel_uncore_write(uncore, GEN8_MASTER_IRQ, 0); @@ -764,29 +748,27 @@ static void cherryview_irq_reset(struct drm_i915_private *dev_priv) gen8_gt_irq_reset(to_gt(dev_priv)); - GEN3_IRQ_RESET(uncore, GEN8_PCU_); + gen2_irq_reset(uncore, GEN8_PCU_IRQ_REGS); - 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); + vlv_display_irq_reset(display); } static void ilk_irq_postinstall(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; + gen5_gt_irq_postinstall(to_gt(dev_priv)); - ilk_de_irq_postinstall(dev_priv); + ilk_de_irq_postinstall(display); } static void valleyview_irq_postinstall(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; + gen5_gt_irq_postinstall(to_gt(dev_priv)); - 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); + vlv_display_irq_postinstall(display); intel_uncore_write(&dev_priv->uncore, VLV_MASTER_IER, MASTER_INTERRUPT_ENABLE); intel_uncore_posting_read(&dev_priv->uncore, VLV_MASTER_IER); @@ -794,22 +776,25 @@ static void valleyview_irq_postinstall(struct drm_i915_private *dev_priv) static void gen8_irq_postinstall(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; + gen8_gt_irq_postinstall(to_gt(dev_priv)); - gen8_de_irq_postinstall(dev_priv); + gen8_de_irq_postinstall(display); gen8_master_intr_enable(intel_uncore_regs(&dev_priv->uncore)); } static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_gt *gt = to_gt(dev_priv); struct intel_uncore *uncore = gt->uncore; u32 gu_misc_masked = GEN11_GU_MISC_GSE; gen11_gt_irq_postinstall(gt); - gen11_de_irq_postinstall(dev_priv); + gen11_de_irq_postinstall(display); - GEN3_IRQ_INIT(uncore, GEN11_GU_MISC_, ~gu_misc_masked, gu_misc_masked); + gen2_irq_init(uncore, GEN11_GU_MISC_IRQ_REGS, ~gu_misc_masked, gu_misc_masked); gen11_master_intr_enable(intel_uncore_regs(uncore)); intel_uncore_posting_read(&dev_priv->uncore, GEN11_GFX_MSTR_IRQ); @@ -817,6 +802,7 @@ static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) static void dg1_irq_postinstall(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_uncore *uncore = &dev_priv->uncore; u32 gu_misc_masked = GEN11_GU_MISC_GSE; struct intel_gt *gt; @@ -825,9 +811,9 @@ static void dg1_irq_postinstall(struct drm_i915_private *dev_priv) for_each_gt(gt, dev_priv, i) gen11_gt_irq_postinstall(gt); - GEN3_IRQ_INIT(uncore, GEN11_GU_MISC_, ~gu_misc_masked, gu_misc_masked); + gen2_irq_init(uncore, GEN11_GU_MISC_IRQ_REGS, ~gu_misc_masked, gu_misc_masked); - dg1_de_irq_postinstall(dev_priv); + dg1_de_irq_postinstall(display); dg1_master_intr_enable(intel_uncore_regs(uncore)); intel_uncore_posting_read(uncore, DG1_MSTR_TILE_INTR); @@ -835,27 +821,16 @@ static void dg1_irq_postinstall(struct drm_i915_private *dev_priv) static void cherryview_irq_postinstall(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; + gen8_gt_irq_postinstall(to_gt(dev_priv)); - 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); + vlv_display_irq_postinstall(display); intel_uncore_write(&dev_priv->uncore, GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL); intel_uncore_posting_read(&dev_priv->uncore, GEN8_MASTER_IRQ); } -static void i8xx_irq_reset(struct drm_i915_private *dev_priv) -{ - struct intel_uncore *uncore = &dev_priv->uncore; - - i9xx_pipestat_irq_reset(dev_priv); - - gen2_irq_reset(uncore); - dev_priv->irq_mask = ~0u; -} - static u32 i9xx_error_mask(struct drm_i915_private *i915) { /* @@ -871,80 +846,10 @@ static u32 i9xx_error_mask(struct drm_i915_private *i915) * so we just have to mask off all page table errors via EMR. */ if (HAS_FBC(i915)) - return ~I915_ERROR_MEMORY_REFRESH; + return I915_ERROR_MEMORY_REFRESH; else - return ~(I915_ERROR_PAGE_TABLE | - I915_ERROR_MEMORY_REFRESH); -} - -static void i8xx_irq_postinstall(struct drm_i915_private *dev_priv) -{ - struct intel_uncore *uncore = &dev_priv->uncore; - u16 enable_mask; - - intel_uncore_write16(uncore, EMR, i9xx_error_mask(dev_priv)); - - /* Unmask the interrupts that we always want on. */ - dev_priv->irq_mask = - ~(I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | - I915_MASTER_ERROR_INTERRUPT); - - enable_mask = - I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | - I915_MASTER_ERROR_INTERRUPT | - I915_USER_INTERRUPT; - - gen2_irq_init(uncore, dev_priv->irq_mask, enable_mask); - - /* 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); - i915_enable_pipestat(dev_priv, PIPE_A, PIPE_CRC_DONE_INTERRUPT_STATUS); - i915_enable_pipestat(dev_priv, PIPE_B, PIPE_CRC_DONE_INTERRUPT_STATUS); - spin_unlock_irq(&dev_priv->irq_lock); -} - -static void i8xx_error_irq_ack(struct drm_i915_private *i915, - u16 *eir, u16 *eir_stuck) -{ - struct intel_uncore *uncore = &i915->uncore; - u16 emr; - - *eir = intel_uncore_read16(uncore, EIR); - intel_uncore_write16(uncore, EIR, *eir); - - *eir_stuck = intel_uncore_read16(uncore, EIR); - if (*eir_stuck == 0) - return; - - /* - * Toggle all EMR bits to make sure we get an edge - * in the ISR master error bit if we don't clear - * all the EIR bits. Otherwise the edge triggered - * IIR on i965/g4x wouldn't notice that an interrupt - * is still pending. Also some EIR bits can't be - * cleared except by handling the underlying error - * (or by a GPU reset) so we mask any bit that - * remains set. - */ - emr = intel_uncore_read16(uncore, EMR); - intel_uncore_write16(uncore, EMR, 0xffff); - intel_uncore_write16(uncore, EMR, emr | *eir_stuck); -} - -static void i8xx_error_irq_handler(struct drm_i915_private *dev_priv, - u16 eir, u16 eir_stuck) -{ - drm_dbg(&dev_priv->drm, "Master Error: EIR 0x%04x\n", eir); - - if (eir_stuck) - drm_dbg(&dev_priv->drm, "EIR stuck: 0x%04x, masked\n", - eir_stuck); - - drm_dbg(&dev_priv->drm, "PGTBL_ER: 0x%08x\n", - intel_uncore_read(&dev_priv->uncore, PGTBL_ER)); + return I915_ERROR_PAGE_TABLE | + I915_ERROR_MEMORY_REFRESH; } static void i9xx_error_irq_ack(struct drm_i915_private *dev_priv, @@ -987,111 +892,56 @@ static void i9xx_error_irq_handler(struct drm_i915_private *dev_priv, intel_uncore_read(&dev_priv->uncore, PGTBL_ER)); } -static irqreturn_t i8xx_irq_handler(int irq, void *arg) -{ - struct drm_i915_private *dev_priv = arg; - irqreturn_t ret = IRQ_NONE; - - if (!intel_irqs_enabled(dev_priv)) - return IRQ_NONE; - - /* IRQs are synced during runtime_suspend, we don't require a wakeref */ - disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); - - do { - u32 pipe_stats[I915_MAX_PIPES] = {}; - u16 eir = 0, eir_stuck = 0; - u16 iir; - - iir = intel_uncore_read16(&dev_priv->uncore, GEN2_IIR); - if (iir == 0) - break; - - ret = IRQ_HANDLED; - - /* Call regardless, as some status bits might not be - * signalled in iir */ - i9xx_pipestat_irq_ack(dev_priv, iir, pipe_stats); - - if (iir & I915_MASTER_ERROR_INTERRUPT) - i8xx_error_irq_ack(dev_priv, &eir, &eir_stuck); - - intel_uncore_write16(&dev_priv->uncore, GEN2_IIR, iir); - - if (iir & I915_USER_INTERRUPT) - intel_engine_cs_irq(to_gt(dev_priv)->engine[RCS0], iir); - - if (iir & I915_MASTER_ERROR_INTERRUPT) - i8xx_error_irq_handler(dev_priv, eir, eir_stuck); - - i8xx_pipestat_irq_handler(dev_priv, iir, pipe_stats); - } while (0); - - pmu_irq_stats(dev_priv, ret); - - enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); - - return ret; -} - static void i915_irq_reset(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_uncore *uncore = &dev_priv->uncore; - if (I915_HAS_HOTPLUG(dev_priv)) { - i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0); - intel_uncore_rmw(&dev_priv->uncore, PORT_HOTPLUG_STAT, 0, 0); - } - - i9xx_pipestat_irq_reset(dev_priv); + i9xx_display_irq_reset(display); - GEN3_IRQ_RESET(uncore, GEN2_); + gen2_error_reset(uncore, GEN2_ERROR_REGS); + gen2_irq_reset(uncore, GEN2_IRQ_REGS); dev_priv->irq_mask = ~0u; } static void i915_irq_postinstall(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_uncore *uncore = &dev_priv->uncore; u32 enable_mask; - intel_uncore_write(uncore, EMR, i9xx_error_mask(dev_priv)); + gen2_error_init(uncore, GEN2_ERROR_REGS, ~i9xx_error_mask(dev_priv)); - /* Unmask the interrupts that we always want on. */ dev_priv->irq_mask = - ~(I915_ASLE_INTERRUPT | - I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | + ~(I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | I915_MASTER_ERROR_INTERRUPT); enable_mask = - I915_ASLE_INTERRUPT | I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | I915_MASTER_ERROR_INTERRUPT | I915_USER_INTERRUPT; - if (I915_HAS_HOTPLUG(dev_priv)) { - /* Enable in IER... */ - enable_mask |= I915_DISPLAY_PORT_INTERRUPT; - /* and unmask in IMR */ - dev_priv->irq_mask &= ~I915_DISPLAY_PORT_INTERRUPT; + if (DISPLAY_VER(dev_priv) >= 3) { + dev_priv->irq_mask &= ~I915_ASLE_INTERRUPT; + enable_mask |= I915_ASLE_INTERRUPT; } - GEN3_IRQ_INIT(uncore, GEN2_, dev_priv->irq_mask, enable_mask); + if (HAS_HOTPLUG(dev_priv)) { + dev_priv->irq_mask &= ~I915_DISPLAY_PORT_INTERRUPT; + enable_mask |= I915_DISPLAY_PORT_INTERRUPT; + } - /* 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); - i915_enable_pipestat(dev_priv, PIPE_A, PIPE_CRC_DONE_INTERRUPT_STATUS); - i915_enable_pipestat(dev_priv, PIPE_B, PIPE_CRC_DONE_INTERRUPT_STATUS); - spin_unlock_irq(&dev_priv->irq_lock); + gen2_irq_init(uncore, GEN2_IRQ_REGS, dev_priv->irq_mask, enable_mask); - i915_enable_asle_pipestat(dev_priv); + i915_display_irq_postinstall(display); } static irqreturn_t i915_irq_handler(int irq, void *arg) { struct drm_i915_private *dev_priv = arg; + struct intel_display *display = &dev_priv->display; irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -1112,13 +962,13 @@ static irqreturn_t i915_irq_handler(int irq, void *arg) ret = IRQ_HANDLED; - if (I915_HAS_HOTPLUG(dev_priv) && + if (HAS_HOTPLUG(dev_priv) && iir & I915_DISPLAY_PORT_INTERRUPT) - hotplug_status = i9xx_hpd_irq_ack(dev_priv); + hotplug_status = i9xx_hpd_irq_ack(display); /* Call regardless, as some status bits might not be - * signalled in iir */ - i9xx_pipestat_irq_ack(dev_priv, iir, pipe_stats); + * signalled in IIR */ + i9xx_pipestat_irq_ack(display, iir, pipe_stats); if (iir & I915_MASTER_ERROR_INTERRUPT) i9xx_error_irq_ack(dev_priv, &eir, &eir_stuck); @@ -1132,9 +982,9 @@ static irqreturn_t i915_irq_handler(int irq, void *arg) i9xx_error_irq_handler(dev_priv, eir, eir_stuck); if (hotplug_status) - i9xx_hpd_irq_handler(dev_priv, hotplug_status); + i9xx_hpd_irq_handler(display, hotplug_status); - i915_pipestat_irq_handler(dev_priv, iir, pipe_stats); + i915_pipestat_irq_handler(display, iir, pipe_stats); } while (0); pmu_irq_stats(dev_priv, ret); @@ -1146,14 +996,13 @@ static irqreturn_t i915_irq_handler(int irq, void *arg) static void i965_irq_reset(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_uncore *uncore = &dev_priv->uncore; - i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0); - intel_uncore_rmw(uncore, PORT_HOTPLUG_STAT, 0, 0); + i9xx_display_irq_reset(display); - i9xx_pipestat_irq_reset(dev_priv); - - GEN3_IRQ_RESET(uncore, GEN2_); + gen2_error_reset(uncore, GEN2_ERROR_REGS); + gen2_irq_reset(uncore, GEN2_IRQ_REGS); dev_priv->irq_mask = ~0u; } @@ -1167,23 +1016,23 @@ static u32 i965_error_mask(struct drm_i915_private *i915) * so we can always enable the page table errors. */ if (IS_G4X(i915)) - return ~(GM45_ERROR_PAGE_TABLE | - GM45_ERROR_MEM_PRIV | - GM45_ERROR_CP_PRIV | - I915_ERROR_MEMORY_REFRESH); + return GM45_ERROR_PAGE_TABLE | + GM45_ERROR_MEM_PRIV | + GM45_ERROR_CP_PRIV | + I915_ERROR_MEMORY_REFRESH; else - return ~(I915_ERROR_PAGE_TABLE | - I915_ERROR_MEMORY_REFRESH); + return I915_ERROR_PAGE_TABLE | + I915_ERROR_MEMORY_REFRESH; } static void i965_irq_postinstall(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; struct intel_uncore *uncore = &dev_priv->uncore; u32 enable_mask; - intel_uncore_write(uncore, EMR, i965_error_mask(dev_priv)); + gen2_error_init(uncore, GEN2_ERROR_REGS, ~i965_error_mask(dev_priv)); - /* Unmask the interrupts that we always want on. */ dev_priv->irq_mask = ~(I915_ASLE_INTERRUPT | I915_DISPLAY_PORT_INTERRUPT | @@ -1202,22 +1051,15 @@ static void i965_irq_postinstall(struct drm_i915_private *dev_priv) if (IS_G4X(dev_priv)) enable_mask |= I915_BSD_USER_INTERRUPT; - GEN3_IRQ_INIT(uncore, GEN2_, dev_priv->irq_mask, enable_mask); - - /* 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); - i915_enable_pipestat(dev_priv, PIPE_A, PIPE_GMBUS_INTERRUPT_STATUS); - i915_enable_pipestat(dev_priv, PIPE_A, PIPE_CRC_DONE_INTERRUPT_STATUS); - i915_enable_pipestat(dev_priv, PIPE_B, PIPE_CRC_DONE_INTERRUPT_STATUS); - spin_unlock_irq(&dev_priv->irq_lock); + gen2_irq_init(uncore, GEN2_IRQ_REGS, dev_priv->irq_mask, enable_mask); - i915_enable_asle_pipestat(dev_priv); + i965_display_irq_postinstall(display); } static irqreturn_t i965_irq_handler(int irq, void *arg) { struct drm_i915_private *dev_priv = arg; + struct intel_display *display = &dev_priv->display; irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -1239,11 +1081,11 @@ static irqreturn_t i965_irq_handler(int irq, void *arg) ret = IRQ_HANDLED; if (iir & I915_DISPLAY_PORT_INTERRUPT) - hotplug_status = i9xx_hpd_irq_ack(dev_priv); + hotplug_status = i9xx_hpd_irq_ack(display); /* Call regardless, as some status bits might not be - * signalled in iir */ - i9xx_pipestat_irq_ack(dev_priv, iir, pipe_stats); + * signalled in IIR */ + i9xx_pipestat_irq_ack(display, iir, pipe_stats); if (iir & I915_MASTER_ERROR_INTERRUPT) i9xx_error_irq_ack(dev_priv, &eir, &eir_stuck); @@ -1262,9 +1104,9 @@ static irqreturn_t i965_irq_handler(int irq, void *arg) i9xx_error_irq_handler(dev_priv, eir, eir_stuck); if (hotplug_status) - i9xx_hpd_irq_handler(dev_priv, hotplug_status); + i9xx_hpd_irq_handler(display, hotplug_status); - i965_pipestat_irq_handler(dev_priv, iir, pipe_stats); + i965_pipestat_irq_handler(display, iir, pipe_stats); } while (0); pmu_irq_stats(dev_priv, IRQ_HANDLED); @@ -1317,10 +1159,8 @@ static irq_handler_t intel_irq_handler(struct drm_i915_private *dev_priv) return valleyview_irq_handler; else if (GRAPHICS_VER(dev_priv) == 4) return i965_irq_handler; - else if (GRAPHICS_VER(dev_priv) == 3) - return i915_irq_handler; else - return i8xx_irq_handler; + return i915_irq_handler; } else { if (GRAPHICS_VER_FULL(dev_priv) >= IP_VER(12, 10)) return dg1_irq_handler; @@ -1342,10 +1182,8 @@ static void intel_irq_reset(struct drm_i915_private *dev_priv) valleyview_irq_reset(dev_priv); else if (GRAPHICS_VER(dev_priv) == 4) i965_irq_reset(dev_priv); - else if (GRAPHICS_VER(dev_priv) == 3) - i915_irq_reset(dev_priv); else - i8xx_irq_reset(dev_priv); + i915_irq_reset(dev_priv); } else { if (GRAPHICS_VER_FULL(dev_priv) >= IP_VER(12, 10)) dg1_irq_reset(dev_priv); @@ -1367,10 +1205,8 @@ static void intel_irq_postinstall(struct drm_i915_private *dev_priv) valleyview_irq_postinstall(dev_priv); else if (GRAPHICS_VER(dev_priv) == 4) i965_irq_postinstall(dev_priv); - else if (GRAPHICS_VER(dev_priv) == 3) - i915_irq_postinstall(dev_priv); else - i8xx_irq_postinstall(dev_priv); + i915_irq_postinstall(dev_priv); } else { if (GRAPHICS_VER_FULL(dev_priv) >= IP_VER(12, 10)) dg1_irq_postinstall(dev_priv); @@ -1404,16 +1240,14 @@ int intel_irq_install(struct drm_i915_private *dev_priv) * interrupts as enabled _before_ actually enabling them to avoid * special cases in our ordering checks. */ - dev_priv->runtime_pm.irqs_enabled = true; - - dev_priv->irq_enabled = true; + dev_priv->irqs_enabled = true; intel_irq_reset(dev_priv); ret = request_irq(irq, intel_irq_handler(dev_priv), IRQF_SHARED, DRIVER_NAME, dev_priv); if (ret < 0) { - dev_priv->irq_enabled = false; + dev_priv->irqs_enabled = false; return ret; } @@ -1423,7 +1257,7 @@ int intel_irq_install(struct drm_i915_private *dev_priv) } /** - * intel_irq_uninstall - finilizes all irq handling + * intel_irq_uninstall - finalizes all irq handling * @dev_priv: i915 device instance * * This stops interrupt and hotplug handling and unregisters and frees all @@ -1431,58 +1265,49 @@ int intel_irq_install(struct drm_i915_private *dev_priv) */ void intel_irq_uninstall(struct drm_i915_private *dev_priv) { + struct intel_display *display = &dev_priv->display; int irq = to_pci_dev(dev_priv->drm.dev)->irq; - /* - * FIXME we can get called twice during driver probe - * error handling as well as during driver remove due to - * intel_display_driver_remove() calling us out of sequence. - * Would be nice if it didn't do that... - */ - if (!dev_priv->irq_enabled) + if (drm_WARN_ON(&dev_priv->drm, !dev_priv->irqs_enabled)) return; - dev_priv->irq_enabled = false; - intel_irq_reset(dev_priv); free_irq(irq, dev_priv); - intel_hpd_cancel_work(dev_priv); - dev_priv->runtime_pm.irqs_enabled = false; + intel_hpd_cancel_work(display); + dev_priv->irqs_enabled = false; } /** - * intel_runtime_pm_disable_interrupts - runtime interrupt disabling - * @dev_priv: i915 device instance + * intel_irq_suspend - Suspend interrupts + * @i915: i915 device instance * - * This function is used to disable interrupts at runtime, both in the runtime - * pm and the system suspend/resume code. + * This function is used to disable interrupts at runtime. */ -void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv) +void intel_irq_suspend(struct drm_i915_private *i915) { - intel_irq_reset(dev_priv); - dev_priv->runtime_pm.irqs_enabled = false; - intel_synchronize_irq(dev_priv); + intel_irq_reset(i915); + i915->irqs_enabled = false; + intel_synchronize_irq(i915); } /** - * intel_runtime_pm_enable_interrupts - runtime interrupt enabling - * @dev_priv: i915 device instance + * intel_irq_resume - Resume interrupts + * @i915: i915 device instance * - * This function is used to enable interrupts at runtime, both in the runtime - * pm and the system suspend/resume code. + * This function is used to enable interrupts at runtime. */ -void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv) +void intel_irq_resume(struct drm_i915_private *i915) { - dev_priv->runtime_pm.irqs_enabled = true; - intel_irq_reset(dev_priv); - intel_irq_postinstall(dev_priv); + i915->irqs_enabled = true; + intel_irq_reset(i915); + intel_irq_postinstall(i915); } bool intel_irqs_enabled(struct drm_i915_private *dev_priv) { - return dev_priv->runtime_pm.irqs_enabled; + return dev_priv->irqs_enabled; } void intel_synchronize_irq(struct drm_i915_private *i915) |