diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_irq.c | 102 |
1 files changed, 97 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_irq.c b/drivers/gpu/drm/i915/display/intel_display_irq.c index ae2578741dfe..62ce55475554 100644 --- a/drivers/gpu/drm/i915/display/intel_display_irq.c +++ b/drivers/gpu/drm/i915/display/intel_display_irq.c @@ -749,6 +749,20 @@ void ivb_display_irq_handler(struct drm_i915_private *dev_priv, u32 de_iir) if (de_iir & DE_ERR_INT_IVB) ivb_err_int_handler(dev_priv); + if (de_iir & DE_EDP_PSR_INT_HSW) { + struct intel_encoder *encoder; + + for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + u32 psr_iir; + + psr_iir = intel_uncore_rmw(&dev_priv->uncore, + EDP_PSR_IIR, 0, 0); + intel_psr_irq_handler(intel_dp, psr_iir); + break; + } + } + if (de_iir & DE_AUX_CHANNEL_A_IVB) intel_dp_aux_irq_handler(dev_priv); @@ -1135,7 +1149,7 @@ void gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) u32 gen11_gu_misc_irq_ack(struct drm_i915_private *i915, const u32 master_ctl) { - void __iomem * const regs = i915->uncore.regs; + void __iomem * const regs = intel_uncore_regs(&i915->uncore); u32 iir; if (!(master_ctl & GEN11_GU_MISC_IRQ)) @@ -1156,7 +1170,7 @@ void gen11_gu_misc_irq_handler(struct drm_i915_private *i915, const u32 iir) void gen11_display_irq_handler(struct drm_i915_private *i915) { - void __iomem * const regs = i915->uncore.regs; + void __iomem * const regs = intel_uncore_regs(&i915->uncore); const u32 disp_ctl = raw_reg_read(regs, GEN11_DISPLAY_INT_CTL); disable_rpm_wakeref_asserts(&i915->runtime_pm); @@ -1523,7 +1537,7 @@ void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, * to avoid races with the irq handler, assuming we have MSI. Shared legacy * interrupts could still race. */ -void ibx_irq_postinstall(struct drm_i915_private *dev_priv) +static void ibx_irq_postinstall(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; u32 mask; @@ -1569,6 +1583,50 @@ void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv) vlv_display_irq_reset(dev_priv); } +void ilk_de_irq_postinstall(struct drm_i915_private *i915) +{ + struct intel_uncore *uncore = &i915->uncore; + u32 display_mask, extra_mask; + + if (GRAPHICS_VER(i915) >= 7) { + display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE_IVB | + DE_PCH_EVENT_IVB | DE_AUX_CHANNEL_A_IVB); + extra_mask = (DE_PIPEC_VBLANK_IVB | DE_PIPEB_VBLANK_IVB | + DE_PIPEA_VBLANK_IVB | DE_ERR_INT_IVB | + DE_PLANE_FLIP_DONE_IVB(PLANE_C) | + DE_PLANE_FLIP_DONE_IVB(PLANE_B) | + DE_PLANE_FLIP_DONE_IVB(PLANE_A) | + DE_DP_A_HOTPLUG_IVB); + } else { + display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT | + DE_AUX_CHANNEL_A | DE_PIPEB_CRC_DONE | + DE_PIPEA_CRC_DONE | DE_POISON); + extra_mask = (DE_PIPEA_VBLANK | DE_PIPEB_VBLANK | + DE_PIPEB_FIFO_UNDERRUN | DE_PIPEA_FIFO_UNDERRUN | + DE_PLANE_FLIP_DONE(PLANE_A) | + DE_PLANE_FLIP_DONE(PLANE_B) | + DE_DP_A_HOTPLUG); + } + + if (IS_HASWELL(i915)) { + gen3_assert_iir_is_zero(uncore, EDP_PSR_IIR); + display_mask |= DE_EDP_PSR_INT_HSW; + } + + if (IS_IRONLAKE_M(i915)) + extra_mask |= DE_PCU_EVENT; + + i915->irq_mask = ~display_mask; + + ibx_irq_postinstall(i915); + + GEN3_IRQ_INIT(uncore, DE, i915->irq_mask, + display_mask | extra_mask); +} + +static void mtp_irq_postinstall(struct drm_i915_private *i915); +static void icp_irq_postinstall(struct drm_i915_private *i915); + void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; @@ -1586,6 +1644,13 @@ void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) if (!HAS_DISPLAY(dev_priv)) return; + if (DISPLAY_VER(dev_priv) >= 14) + mtp_irq_postinstall(dev_priv); + else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) + icp_irq_postinstall(dev_priv); + else if (HAS_PCH_SPLIT(dev_priv)) + ibx_irq_postinstall(dev_priv); + if (DISPLAY_VER(dev_priv) <= 10) de_misc_masked |= GEN8_DE_MISC_GSE; @@ -1652,7 +1717,7 @@ void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) } } -void mtp_irq_postinstall(struct drm_i915_private *i915) +static void mtp_irq_postinstall(struct drm_i915_private *i915) { struct intel_uncore *uncore = &i915->uncore; u32 sde_mask = SDE_GMBUS_ICP | SDE_PICAINTERRUPT; @@ -1666,7 +1731,7 @@ void mtp_irq_postinstall(struct drm_i915_private *i915) GEN3_IRQ_INIT(uncore, SDE, ~sde_mask, 0xffffffff); } -void icp_irq_postinstall(struct drm_i915_private *dev_priv) +static void icp_irq_postinstall(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; u32 mask = SDE_GMBUS_ICP; @@ -1685,3 +1750,30 @@ void gen11_de_irq_postinstall(struct drm_i915_private *dev_priv) GEN11_DISPLAY_IRQ_ENABLE); } +void dg1_de_irq_postinstall(struct drm_i915_private *i915) +{ + if (!HAS_DISPLAY(i915)) + return; + + gen8_de_irq_postinstall(i915); + intel_uncore_write(&i915->uncore, GEN11_DISPLAY_INT_CTL, + GEN11_DISPLAY_IRQ_ENABLE); +} + +void intel_display_irq_init(struct drm_i915_private *i915) +{ + i915->drm.vblank_disable_immediate = true; + + /* + * Most platforms treat the display irq block as an always-on power + * domain. vlv/chv can disable it at runtime and need special care to + * avoid writing any of the display block registers outside of the power + * domain. We defer setting up the display irqs in this case to the + * runtime pm. + */ + i915->display_irqs_enabled = true; + if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) + i915->display_irqs_enabled = false; + + intel_hotplug_irq_init(i915); +} |