diff options
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hotplug.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 128 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 28 |
4 files changed, 154 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 342587d91d57..c844ae4480af 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -104,6 +104,12 @@ enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv, if (IS_CNL_WITH_PORT_F(dev_priv)) return HPD_PORT_E; return HPD_PORT_F; + case PORT_G: + return HPD_PORT_G; + case PORT_H: + return HPD_PORT_H; + case PORT_I: + return HPD_PORT_I; default: MISSING_CASE(port); return HPD_NONE; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 991eaeac9994..9a69445f38c0 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -153,6 +153,10 @@ enum hpd_pin { HPD_PORT_D, HPD_PORT_E, HPD_PORT_F, + HPD_PORT_G, + HPD_PORT_H, + HPD_PORT_I, + HPD_NUM_PINS }; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index a17d4fd17962..34527cdd9388 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -150,6 +150,18 @@ static const u32 hpd_mcc[HPD_NUM_PINS] = { [HPD_PORT_C] = SDE_TC1_HOTPLUG_ICP }; +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, +}; + static void gen3_irq_reset(struct intel_uncore *uncore, i915_reg_t imr, i915_reg_t iir, i915_reg_t ier) { @@ -1724,6 +1736,40 @@ 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 +1849,8 @@ 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; @@ -2561,6 +2609,43 @@ 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 & @@ -2983,7 +3068,9 @@ 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); @@ -3778,20 +3865,18 @@ 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); + hotplug |= tc_hotplug_enable_mask; I915_WRITE(SHOTPLUG_CTL_TC, hotplug); } @@ -3804,7 +3889,21 @@ 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 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) @@ -3841,7 +3940,9 @@ 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); } @@ -4291,7 +4392,12 @@ 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 + 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) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index d2b76121d863..f55dea63e6e5 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7861,12 +7861,15 @@ enum { SDE_FDI_RXB_CPT | \ SDE_FDI_RXA_CPT) -/* south display engine interrupt: ICP */ +/* south display engine interrupt: ICP/TGP */ +#define SDE_TC6_HOTPLUG_TGP (1 << 29) +#define SDE_TC5_HOTPLUG_TGP (1 << 28) #define SDE_TC4_HOTPLUG_ICP (1 << 27) #define SDE_TC3_HOTPLUG_ICP (1 << 26) #define SDE_TC2_HOTPLUG_ICP (1 << 25) #define SDE_TC1_HOTPLUG_ICP (1 << 24) #define SDE_GMBUS_ICP (1 << 23) +#define SDE_DDIC_HOTPLUG_TGP (1 << 18) #define SDE_DDIB_HOTPLUG_ICP (1 << 17) #define SDE_DDIA_HOTPLUG_ICP (1 << 16) #define SDE_TC_HOTPLUG_ICP(tc_port) (1 << ((tc_port) + 24)) @@ -7877,6 +7880,11 @@ enum { SDE_TC3_HOTPLUG_ICP | \ SDE_TC2_HOTPLUG_ICP | \ SDE_TC1_HOTPLUG_ICP) +#define SDE_DDI_MASK_TGP (SDE_DDIC_HOTPLUG_TGP | \ + SDE_DDI_MASK_ICP) +#define SDE_TC_MASK_TGP (SDE_TC6_HOTPLUG_TGP | \ + SDE_TC5_HOTPLUG_TGP | \ + SDE_TC_MASK_ICP) #define SDEISR _MMIO(0xc4000) #define SDEIMR _MMIO(0xc4004) @@ -7944,6 +7952,12 @@ enum { */ #define SHOTPLUG_CTL_DDI _MMIO(0xc4030) +#define TGP_DDIC_HPD_ENABLE (1 << 11) +#define TGP_DDIC_HPD_STATUS_MASK (3 << 8) +#define TGP_DDIC_HPD_NO_DETECT (0 << 8) +#define TGP_DDIC_HPD_SHORT_DETECT (1 << 8) +#define TGP_DDIC_HPD_LONG_DETECT (2 << 8) +#define TGP_DDIC_HPD_SHORT_LONG_DETECT (3 << 8) #define ICP_DDIB_HPD_ENABLE (1 << 7) #define ICP_DDIB_HPD_STATUS_MASK (3 << 4) #define ICP_DDIB_HPD_NO_DETECT (0 << 4) @@ -8067,6 +8081,18 @@ enum { #define ICP_TC_HPD_LONG_DETECT(tc_port) (2 << (tc_port) * 4) #define ICP_TC_HPD_SHORT_DETECT(tc_port) (1 << (tc_port) * 4) +#define ICP_DDI_HPD_ENABLE_MASK (ICP_DDIB_HPD_ENABLE | \ + ICP_DDIA_HPD_ENABLE) +#define ICP_TC_HPD_ENABLE_MASK (ICP_TC_HPD_ENABLE(PORT_TC4) | \ + ICP_TC_HPD_ENABLE(PORT_TC3) | \ + ICP_TC_HPD_ENABLE(PORT_TC2) | \ + ICP_TC_HPD_ENABLE(PORT_TC1)) +#define TGP_DDI_HPD_ENABLE_MASK (TGP_DDIC_HPD_ENABLE | \ + ICP_DDI_HPD_ENABLE_MASK) +#define TGP_TC_HPD_ENABLE_MASK (ICP_TC_HPD_ENABLE(PORT_TC6) | \ + ICP_TC_HPD_ENABLE(PORT_TC5) | \ + ICP_TC_HPD_ENABLE_MASK) + #define _PCH_DPLL_A 0xc6014 #define _PCH_DPLL_B 0xc6018 #define PCH_DPLL(pll) _MMIO((pll) == 0 ? _PCH_DPLL_A : _PCH_DPLL_B) |