Re: [Intel-gfx] [PATCH 1/6] drm/i915/dg1: add hpd interrupt handling
On Thu, Oct 22, 2020 at 03:36:43PM -0700, Matt Roper wrote: On Wed, Oct 21, 2020 at 01:20:29AM -0700, Lucas De Marchi wrote: DG1 has one more combo phy port, no TC and all irq handling goes through SDE, like for MCC. v2: Also change intel_hpd_pin_default() to include DG1 mapping v3, v4: Rebase on hpd refactor Cc: Ville Syrjälä Cc: Anshuman Gupta Cc: José Roberto de Souza Cc: Imre Deak Signed-off-by: Lucas De Marchi Looks good to me. Reviewed-by: Matt Roper I sort of wish we'd named hpd->pch_hpd as hpd->sde_hpd (and hpd->hpd as hpd->nde_hpd) back when we did that refactor, but it doesn't really matter too much. Agreed. I think this would be something good to do once DG1, ADL-S and the refactors from Ville land. thanks Lucas De Marchi Matt --- drivers/gpu/drm/i915/display/intel_ddi.c | 13 - drivers/gpu/drm/i915/i915_irq.c | 37 drivers/gpu/drm/i915/i915_reg.h | 8 + 3 files changed, 51 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index bb0b9930958f..3a99f209f1e6 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -5066,6 +5066,15 @@ static bool hti_uses_phy(struct drm_i915_private *i915, enum phy phy) i915->hti_state & HDPORT_PHY_USED_HDMI(phy)); } +static enum hpd_pin dg1_hpd_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + if (port >= PORT_D) + return HPD_PORT_C + port - PORT_D; + else + return HPD_PORT_A + port - PORT_A; +} + static enum hpd_pin tgl_hpd_pin(struct drm_i915_private *dev_priv, enum port port) { @@ -5195,7 +5204,9 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) encoder->cloneable = 0; encoder->pipe_mask = ~0; - if (IS_ROCKETLAKE(dev_priv)) + if (IS_DG1(dev_priv)) + encoder->hpd_pin = dg1_hpd_pin(dev_priv, port); + else if (IS_ROCKETLAKE(dev_priv)) encoder->hpd_pin = rkl_hpd_pin(dev_priv, port); else if (INTEL_GEN(dev_priv) >= 12) encoder->hpd_pin = tgl_hpd_pin(dev_priv, port); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index b753c77c9a77..b6169fbadb1d 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -152,6 +152,13 @@ static const u32 hpd_icp[HPD_NUM_PINS] = { [HPD_PORT_TC6] = SDE_TC_HOTPLUG_ICP(PORT_TC6), }; +static const u32 hpd_sde_dg1[HPD_NUM_PINS] = { + [HPD_PORT_A] = SDE_DDI_HOTPLUG_ICP(PORT_A), + [HPD_PORT_B] = SDE_DDI_HOTPLUG_ICP(PORT_B), + [HPD_PORT_C] = SDE_DDI_HOTPLUG_ICP(PORT_C), + [HPD_PORT_D] = SDE_DDI_HOTPLUG_ICP(PORT_D), +}; + static void intel_hpd_init_pins(struct drm_i915_private *dev_priv) { struct i915_hotplug *hpd = _priv->hotplug; @@ -176,11 +183,14 @@ static void intel_hpd_init_pins(struct drm_i915_private *dev_priv) else hpd->hpd = hpd_ilk; - if (!HAS_PCH_SPLIT(dev_priv) || HAS_PCH_NOP(dev_priv)) + if ((INTEL_PCH_TYPE(dev_priv) < PCH_DG1) && + (!HAS_PCH_SPLIT(dev_priv) || HAS_PCH_NOP(dev_priv))) return; - if (HAS_PCH_TGP(dev_priv) || HAS_PCH_JSP(dev_priv) || - HAS_PCH_ICP(dev_priv) || HAS_PCH_MCC(dev_priv)) + if (HAS_PCH_DG1(dev_priv)) + hpd->pch_hpd = hpd_sde_dg1; + else if (HAS_PCH_TGP(dev_priv) || HAS_PCH_JSP(dev_priv) || +HAS_PCH_ICP(dev_priv) || HAS_PCH_MCC(dev_priv)) hpd->pch_hpd = hpd_icp; else if (HAS_PCH_CNP(dev_priv) || HAS_PCH_SPT(dev_priv)) hpd->pch_hpd = hpd_spt; @@ -1074,6 +1084,8 @@ static bool icp_ddi_port_hotplug_long_detect(enum hpd_pin pin, u32 val) return val & SHOTPLUG_CTL_DDI_HPD_LONG_DETECT(PORT_B); case HPD_PORT_C: return val & SHOTPLUG_CTL_DDI_HPD_LONG_DETECT(PORT_C); + case HPD_PORT_D: + return val & SHOTPLUG_CTL_DDI_HPD_LONG_DETECT(PORT_D); default: return false; } @@ -1864,7 +1876,10 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir) u32 ddi_hotplug_trigger, tc_hotplug_trigger; u32 pin_mask = 0, long_mask = 0; - if (HAS_PCH_TGP(dev_priv)) { + if (HAS_PCH_DG1(dev_priv)) { + ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_DG1; + tc_hotplug_trigger = 0; + } else if (HAS_PCH_TGP(dev_priv)) { ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_TGP; tc_hotplug_trigger = pch_iir & SDE_TC_MASK_TGP; } else if (HAS_PCH_JSP(dev_priv)) { @@ -3252,6 +3267,12 @@ static void jsp_hpd_irq_setup(struct drm_i915_private *dev_priv) TGP_DDI_HPD_ENABLE_MASK, 0); } +static void
Re: [Intel-gfx] [PATCH 1/6] drm/i915/dg1: add hpd interrupt handling
On Wed, Oct 21, 2020 at 01:20:29AM -0700, Lucas De Marchi wrote: > DG1 has one more combo phy port, no TC and all irq handling goes through > SDE, like for MCC. > > v2: Also change intel_hpd_pin_default() to include DG1 mapping > v3, v4: Rebase on hpd refactor > > Cc: Ville Syrjälä > Cc: Anshuman Gupta > Cc: José Roberto de Souza > Cc: Imre Deak > Signed-off-by: Lucas De Marchi Looks good to me. Reviewed-by: Matt Roper I sort of wish we'd named hpd->pch_hpd as hpd->sde_hpd (and hpd->hpd as hpd->nde_hpd) back when we did that refactor, but it doesn't really matter too much. Matt > --- > drivers/gpu/drm/i915/display/intel_ddi.c | 13 - > drivers/gpu/drm/i915/i915_irq.c | 37 > drivers/gpu/drm/i915/i915_reg.h | 8 + > 3 files changed, 51 insertions(+), 7 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c > b/drivers/gpu/drm/i915/display/intel_ddi.c > index bb0b9930958f..3a99f209f1e6 100644 > --- a/drivers/gpu/drm/i915/display/intel_ddi.c > +++ b/drivers/gpu/drm/i915/display/intel_ddi.c > @@ -5066,6 +5066,15 @@ static bool hti_uses_phy(struct drm_i915_private > *i915, enum phy phy) >i915->hti_state & HDPORT_PHY_USED_HDMI(phy)); > } > > +static enum hpd_pin dg1_hpd_pin(struct drm_i915_private *dev_priv, > + enum port port) > +{ > + if (port >= PORT_D) > + return HPD_PORT_C + port - PORT_D; > + else > + return HPD_PORT_A + port - PORT_A; > +} > + > static enum hpd_pin tgl_hpd_pin(struct drm_i915_private *dev_priv, > enum port port) > { > @@ -5195,7 +5204,9 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, > enum port port) > encoder->cloneable = 0; > encoder->pipe_mask = ~0; > > - if (IS_ROCKETLAKE(dev_priv)) > + if (IS_DG1(dev_priv)) > + encoder->hpd_pin = dg1_hpd_pin(dev_priv, port); > + else if (IS_ROCKETLAKE(dev_priv)) > encoder->hpd_pin = rkl_hpd_pin(dev_priv, port); > else if (INTEL_GEN(dev_priv) >= 12) > encoder->hpd_pin = tgl_hpd_pin(dev_priv, port); > diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c > index b753c77c9a77..b6169fbadb1d 100644 > --- a/drivers/gpu/drm/i915/i915_irq.c > +++ b/drivers/gpu/drm/i915/i915_irq.c > @@ -152,6 +152,13 @@ static const u32 hpd_icp[HPD_NUM_PINS] = { > [HPD_PORT_TC6] = SDE_TC_HOTPLUG_ICP(PORT_TC6), > }; > > +static const u32 hpd_sde_dg1[HPD_NUM_PINS] = { > + [HPD_PORT_A] = SDE_DDI_HOTPLUG_ICP(PORT_A), > + [HPD_PORT_B] = SDE_DDI_HOTPLUG_ICP(PORT_B), > + [HPD_PORT_C] = SDE_DDI_HOTPLUG_ICP(PORT_C), > + [HPD_PORT_D] = SDE_DDI_HOTPLUG_ICP(PORT_D), > +}; > + > static void intel_hpd_init_pins(struct drm_i915_private *dev_priv) > { > struct i915_hotplug *hpd = _priv->hotplug; > @@ -176,11 +183,14 @@ static void intel_hpd_init_pins(struct drm_i915_private > *dev_priv) > else > hpd->hpd = hpd_ilk; > > - if (!HAS_PCH_SPLIT(dev_priv) || HAS_PCH_NOP(dev_priv)) > + if ((INTEL_PCH_TYPE(dev_priv) < PCH_DG1) && > + (!HAS_PCH_SPLIT(dev_priv) || HAS_PCH_NOP(dev_priv))) > return; > > - if (HAS_PCH_TGP(dev_priv) || HAS_PCH_JSP(dev_priv) || > - HAS_PCH_ICP(dev_priv) || HAS_PCH_MCC(dev_priv)) > + if (HAS_PCH_DG1(dev_priv)) > + hpd->pch_hpd = hpd_sde_dg1; > + else if (HAS_PCH_TGP(dev_priv) || HAS_PCH_JSP(dev_priv) || > + HAS_PCH_ICP(dev_priv) || HAS_PCH_MCC(dev_priv)) > hpd->pch_hpd = hpd_icp; > else if (HAS_PCH_CNP(dev_priv) || HAS_PCH_SPT(dev_priv)) > hpd->pch_hpd = hpd_spt; > @@ -1074,6 +1084,8 @@ static bool icp_ddi_port_hotplug_long_detect(enum > hpd_pin pin, u32 val) > return val & SHOTPLUG_CTL_DDI_HPD_LONG_DETECT(PORT_B); > case HPD_PORT_C: > return val & SHOTPLUG_CTL_DDI_HPD_LONG_DETECT(PORT_C); > + case HPD_PORT_D: > + return val & SHOTPLUG_CTL_DDI_HPD_LONG_DETECT(PORT_D); > default: > return false; > } > @@ -1864,7 +1876,10 @@ static void icp_irq_handler(struct drm_i915_private > *dev_priv, u32 pch_iir) > u32 ddi_hotplug_trigger, tc_hotplug_trigger; > u32 pin_mask = 0, long_mask = 0; > > - if (HAS_PCH_TGP(dev_priv)) { > + if (HAS_PCH_DG1(dev_priv)) { > + ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_DG1; > + tc_hotplug_trigger = 0; > + } else if (HAS_PCH_TGP(dev_priv)) { > ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_TGP; > tc_hotplug_trigger = pch_iir & SDE_TC_MASK_TGP; > } else if (HAS_PCH_JSP(dev_priv)) { > @@ -3252,6 +3267,12 @@ static void jsp_hpd_irq_setup(struct drm_i915_private > *dev_priv) > TGP_DDI_HPD_ENABLE_MASK, 0); > } > > +static void dg1_hpd_irq_setup(struct drm_i915_private *dev_priv) > +{ > +
[Intel-gfx] [PATCH 1/6] drm/i915/dg1: add hpd interrupt handling
DG1 has one more combo phy port, no TC and all irq handling goes through SDE, like for MCC. v2: Also change intel_hpd_pin_default() to include DG1 mapping v3, v4: Rebase on hpd refactor Cc: Ville Syrjälä Cc: Anshuman Gupta Cc: José Roberto de Souza Cc: Imre Deak Signed-off-by: Lucas De Marchi --- drivers/gpu/drm/i915/display/intel_ddi.c | 13 - drivers/gpu/drm/i915/i915_irq.c | 37 drivers/gpu/drm/i915/i915_reg.h | 8 + 3 files changed, 51 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index bb0b9930958f..3a99f209f1e6 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -5066,6 +5066,15 @@ static bool hti_uses_phy(struct drm_i915_private *i915, enum phy phy) i915->hti_state & HDPORT_PHY_USED_HDMI(phy)); } +static enum hpd_pin dg1_hpd_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + if (port >= PORT_D) + return HPD_PORT_C + port - PORT_D; + else + return HPD_PORT_A + port - PORT_A; +} + static enum hpd_pin tgl_hpd_pin(struct drm_i915_private *dev_priv, enum port port) { @@ -5195,7 +5204,9 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) encoder->cloneable = 0; encoder->pipe_mask = ~0; - if (IS_ROCKETLAKE(dev_priv)) + if (IS_DG1(dev_priv)) + encoder->hpd_pin = dg1_hpd_pin(dev_priv, port); + else if (IS_ROCKETLAKE(dev_priv)) encoder->hpd_pin = rkl_hpd_pin(dev_priv, port); else if (INTEL_GEN(dev_priv) >= 12) encoder->hpd_pin = tgl_hpd_pin(dev_priv, port); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index b753c77c9a77..b6169fbadb1d 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -152,6 +152,13 @@ static const u32 hpd_icp[HPD_NUM_PINS] = { [HPD_PORT_TC6] = SDE_TC_HOTPLUG_ICP(PORT_TC6), }; +static const u32 hpd_sde_dg1[HPD_NUM_PINS] = { + [HPD_PORT_A] = SDE_DDI_HOTPLUG_ICP(PORT_A), + [HPD_PORT_B] = SDE_DDI_HOTPLUG_ICP(PORT_B), + [HPD_PORT_C] = SDE_DDI_HOTPLUG_ICP(PORT_C), + [HPD_PORT_D] = SDE_DDI_HOTPLUG_ICP(PORT_D), +}; + static void intel_hpd_init_pins(struct drm_i915_private *dev_priv) { struct i915_hotplug *hpd = _priv->hotplug; @@ -176,11 +183,14 @@ static void intel_hpd_init_pins(struct drm_i915_private *dev_priv) else hpd->hpd = hpd_ilk; - if (!HAS_PCH_SPLIT(dev_priv) || HAS_PCH_NOP(dev_priv)) + if ((INTEL_PCH_TYPE(dev_priv) < PCH_DG1) && + (!HAS_PCH_SPLIT(dev_priv) || HAS_PCH_NOP(dev_priv))) return; - if (HAS_PCH_TGP(dev_priv) || HAS_PCH_JSP(dev_priv) || - HAS_PCH_ICP(dev_priv) || HAS_PCH_MCC(dev_priv)) + if (HAS_PCH_DG1(dev_priv)) + hpd->pch_hpd = hpd_sde_dg1; + else if (HAS_PCH_TGP(dev_priv) || HAS_PCH_JSP(dev_priv) || +HAS_PCH_ICP(dev_priv) || HAS_PCH_MCC(dev_priv)) hpd->pch_hpd = hpd_icp; else if (HAS_PCH_CNP(dev_priv) || HAS_PCH_SPT(dev_priv)) hpd->pch_hpd = hpd_spt; @@ -1074,6 +1084,8 @@ static bool icp_ddi_port_hotplug_long_detect(enum hpd_pin pin, u32 val) return val & SHOTPLUG_CTL_DDI_HPD_LONG_DETECT(PORT_B); case HPD_PORT_C: return val & SHOTPLUG_CTL_DDI_HPD_LONG_DETECT(PORT_C); + case HPD_PORT_D: + return val & SHOTPLUG_CTL_DDI_HPD_LONG_DETECT(PORT_D); default: return false; } @@ -1864,7 +1876,10 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir) u32 ddi_hotplug_trigger, tc_hotplug_trigger; u32 pin_mask = 0, long_mask = 0; - if (HAS_PCH_TGP(dev_priv)) { + if (HAS_PCH_DG1(dev_priv)) { + ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_DG1; + tc_hotplug_trigger = 0; + } else if (HAS_PCH_TGP(dev_priv)) { ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_TGP; tc_hotplug_trigger = pch_iir & SDE_TC_MASK_TGP; } else if (HAS_PCH_JSP(dev_priv)) { @@ -3252,6 +3267,12 @@ static void jsp_hpd_irq_setup(struct drm_i915_private *dev_priv) TGP_DDI_HPD_ENABLE_MASK, 0); } +static void dg1_hpd_irq_setup(struct drm_i915_private *dev_priv) +{ + icp_hpd_irq_setup(dev_priv, + DG1_DDI_HPD_ENABLE_MASK, 0); +} + static void gen11_hpd_detection_setup(struct drm_i915_private *dev_priv) { u32 hotplug; @@ -3645,7 +3666,9 @@ static void icp_irq_postinstall(struct drm_i915_private *dev_priv) gen3_assert_iir_is_zero(_priv->uncore, SDEIIR); I915_WRITE(SDEIMR, ~mask); - if (HAS_PCH_TGP(dev_priv)) { +