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path: root/drivers/gpu/drm/i915/i915_irq.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c178
1 files changed, 111 insertions, 67 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index c3816f5c6900..9bc4f4a8e12e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -207,7 +207,7 @@ static void intel_hpd_init_pins(struct drm_i915_private *dev_priv)
(!HAS_PCH_SPLIT(dev_priv) || HAS_PCH_NOP(dev_priv)))
return;
- if (HAS_PCH_DG1(dev_priv))
+ if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG1)
hpd->pch_hpd = hpd_sde_dg1;
else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
hpd->pch_hpd = hpd_icp;
@@ -2297,11 +2297,10 @@ static u32 gen8_de_port_aux_mask(struct drm_i915_private *dev_priv)
GEN9_AUX_CHANNEL_C |
GEN9_AUX_CHANNEL_D;
- if (IS_CNL_WITH_PORT_F(dev_priv) || DISPLAY_VER(dev_priv) == 11)
- mask |= CNL_AUX_CHANNEL_F;
-
- if (DISPLAY_VER(dev_priv) == 11)
+ if (DISPLAY_VER(dev_priv) == 11) {
+ mask |= ICL_AUX_CHANNEL_F;
mask |= ICL_AUX_CHANNEL_E;
+ }
return mask;
}
@@ -2698,11 +2697,9 @@ gen11_display_irq_handler(struct drm_i915_private *i915)
enable_rpm_wakeref_asserts(&i915->runtime_pm);
}
-static __always_inline irqreturn_t
-__gen11_irq_handler(struct drm_i915_private * const i915,
- u32 (*intr_disable)(void __iomem * const regs),
- void (*intr_enable)(void __iomem * const regs))
+static irqreturn_t gen11_irq_handler(int irq, void *arg)
{
+ struct drm_i915_private *i915 = arg;
void __iomem * const regs = i915->uncore.regs;
struct intel_gt *gt = &i915->gt;
u32 master_ctl;
@@ -2711,9 +2708,9 @@ __gen11_irq_handler(struct drm_i915_private * const i915,
if (!intel_irqs_enabled(i915))
return IRQ_NONE;
- master_ctl = intr_disable(regs);
+ master_ctl = gen11_master_intr_disable(regs);
if (!master_ctl) {
- intr_enable(regs);
+ gen11_master_intr_enable(regs);
return IRQ_NONE;
}
@@ -2726,7 +2723,7 @@ __gen11_irq_handler(struct drm_i915_private * const i915,
gu_misc_iir = gen11_gu_misc_irq_ack(gt, master_ctl);
- intr_enable(regs);
+ gen11_master_intr_enable(regs);
gen11_gu_misc_irq_handler(gt, gu_misc_iir);
@@ -2735,51 +2732,69 @@ __gen11_irq_handler(struct drm_i915_private * const i915,
return IRQ_HANDLED;
}
-static irqreturn_t gen11_irq_handler(int irq, void *arg)
-{
- return __gen11_irq_handler(arg,
- gen11_master_intr_disable,
- gen11_master_intr_enable);
-}
-
-static u32 dg1_master_intr_disable_and_ack(void __iomem * const regs)
+static inline u32 dg1_master_intr_disable(void __iomem * const regs)
{
u32 val;
/* First disable interrupts */
- raw_reg_write(regs, DG1_MSTR_UNIT_INTR, 0);
+ raw_reg_write(regs, DG1_MSTR_TILE_INTR, 0);
/* Get the indication levels and ack the master unit */
- val = raw_reg_read(regs, DG1_MSTR_UNIT_INTR);
+ val = raw_reg_read(regs, DG1_MSTR_TILE_INTR);
if (unlikely(!val))
return 0;
- raw_reg_write(regs, DG1_MSTR_UNIT_INTR, val);
-
- /*
- * Now with master disabled, get a sample of level indications
- * for this interrupt and ack them right away - we keep GEN11_MASTER_IRQ
- * out as this bit doesn't exist anymore for DG1
- */
- val = raw_reg_read(regs, GEN11_GFX_MSTR_IRQ) & ~GEN11_MASTER_IRQ;
- if (unlikely(!val))
- return 0;
-
- raw_reg_write(regs, GEN11_GFX_MSTR_IRQ, val);
+ raw_reg_write(regs, DG1_MSTR_TILE_INTR, val);
return val;
}
static inline void dg1_master_intr_enable(void __iomem * const regs)
{
- raw_reg_write(regs, DG1_MSTR_UNIT_INTR, DG1_MSTR_IRQ);
+ raw_reg_write(regs, DG1_MSTR_TILE_INTR, DG1_MSTR_IRQ);
}
static irqreturn_t dg1_irq_handler(int irq, void *arg)
{
- return __gen11_irq_handler(arg,
- dg1_master_intr_disable_and_ack,
- dg1_master_intr_enable);
+ struct drm_i915_private * const i915 = arg;
+ struct intel_gt *gt = &i915->gt;
+ void __iomem * const regs = i915->uncore.regs;
+ u32 master_tile_ctl, master_ctl;
+ u32 gu_misc_iir;
+
+ if (!intel_irqs_enabled(i915))
+ return IRQ_NONE;
+
+ master_tile_ctl = dg1_master_intr_disable(regs);
+ if (!master_tile_ctl) {
+ dg1_master_intr_enable(regs);
+ return IRQ_NONE;
+ }
+
+ /* FIXME: we only support tile 0 for now. */
+ if (master_tile_ctl & DG1_MSTR_TILE(0)) {
+ master_ctl = raw_reg_read(regs, GEN11_GFX_MSTR_IRQ);
+ raw_reg_write(regs, GEN11_GFX_MSTR_IRQ, master_ctl);
+ } else {
+ DRM_ERROR("Tile not supported: 0x%08x\n", master_tile_ctl);
+ dg1_master_intr_enable(regs);
+ return IRQ_NONE;
+ }
+
+ gen11_gt_irq_handler(gt, master_ctl);
+
+ if (master_ctl & GEN11_DISPLAY_IRQ)
+ gen11_display_irq_handler(i915);
+
+ gu_misc_iir = gen11_gu_misc_irq_ack(gt, master_ctl);
+
+ dg1_master_intr_enable(regs);
+
+ gen11_gu_misc_irq_handler(gt, gu_misc_iir);
+
+ pmu_irq_stats(i915, IRQ_HANDLED);
+
+ return IRQ_HANDLED;
}
/* Called from drm generic code, passed 'crtc' which
@@ -2880,14 +2895,14 @@ static bool gen11_dsi_configure_te(struct intel_crtc *intel_crtc,
return true;
}
-int bdw_enable_vblank(struct drm_crtc *crtc)
+int bdw_enable_vblank(struct drm_crtc *_crtc)
{
- struct drm_i915_private *dev_priv = to_i915(crtc->dev);
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- enum pipe pipe = intel_crtc->pipe;
+ struct intel_crtc *crtc = to_intel_crtc(_crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ enum pipe pipe = crtc->pipe;
unsigned long irqflags;
- if (gen11_dsi_configure_te(intel_crtc, true))
+ if (gen11_dsi_configure_te(crtc, true))
return 0;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
@@ -2898,7 +2913,7 @@ int bdw_enable_vblank(struct drm_crtc *crtc)
* PSR is active as no frames are generated, so check only for PSR.
*/
if (HAS_PSR(dev_priv))
- drm_crtc_vblank_restore(crtc);
+ drm_crtc_vblank_restore(&crtc->base);
return 0;
}
@@ -2952,14 +2967,14 @@ void ilk_disable_vblank(struct drm_crtc *crtc)
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
-void bdw_disable_vblank(struct drm_crtc *crtc)
+void bdw_disable_vblank(struct drm_crtc *_crtc)
{
- struct drm_i915_private *dev_priv = to_i915(crtc->dev);
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- enum pipe pipe = intel_crtc->pipe;
+ struct intel_crtc *crtc = to_intel_crtc(_crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ enum pipe pipe = crtc->pipe;
unsigned long irqflags;
- if (gen11_dsi_configure_te(intel_crtc, false))
+ if (gen11_dsi_configure_te(crtc, false))
return;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
@@ -3146,10 +3161,20 @@ static void gen11_irq_reset(struct drm_i915_private *dev_priv)
{
struct intel_uncore *uncore = &dev_priv->uncore;
- if (HAS_MASTER_UNIT_IRQ(dev_priv))
- dg1_master_intr_disable_and_ack(dev_priv->uncore.regs);
- else
- gen11_master_intr_disable(dev_priv->uncore.regs);
+ gen11_master_intr_disable(dev_priv->uncore.regs);
+
+ gen11_gt_irq_reset(&dev_priv->gt);
+ gen11_display_irq_reset(dev_priv);
+
+ GEN3_IRQ_RESET(uncore, GEN11_GU_MISC_);
+ GEN3_IRQ_RESET(uncore, GEN8_PCU_);
+}
+
+static void dg1_irq_reset(struct drm_i915_private *dev_priv)
+{
+ struct intel_uncore *uncore = &dev_priv->uncore;
+
+ dg1_master_intr_disable(dev_priv->uncore.regs);
gen11_gt_irq_reset(&dev_priv->gt);
gen11_display_irq_reset(dev_priv);
@@ -3841,13 +3866,28 @@ static void gen11_irq_postinstall(struct drm_i915_private *dev_priv)
GEN3_IRQ_INIT(uncore, GEN11_GU_MISC_, ~gu_misc_masked, gu_misc_masked);
- if (HAS_MASTER_UNIT_IRQ(dev_priv)) {
- dg1_master_intr_enable(uncore->regs);
- intel_uncore_posting_read(&dev_priv->uncore, DG1_MSTR_UNIT_INTR);
- } else {
- gen11_master_intr_enable(uncore->regs);
- intel_uncore_posting_read(&dev_priv->uncore, GEN11_GFX_MSTR_IRQ);
+ gen11_master_intr_enable(uncore->regs);
+ intel_uncore_posting_read(&dev_priv->uncore, GEN11_GFX_MSTR_IRQ);
+}
+
+static void dg1_irq_postinstall(struct drm_i915_private *dev_priv)
+{
+ struct intel_uncore *uncore = &dev_priv->uncore;
+ u32 gu_misc_masked = GEN11_GU_MISC_GSE;
+
+ gen11_gt_irq_postinstall(&dev_priv->gt);
+
+ GEN3_IRQ_INIT(uncore, GEN11_GU_MISC_, ~gu_misc_masked, gu_misc_masked);
+
+ if (HAS_DISPLAY(dev_priv)) {
+ icp_irq_postinstall(dev_priv);
+ gen8_de_irq_postinstall(dev_priv);
+ intel_uncore_write(&dev_priv->uncore, GEN11_DISPLAY_INT_CTL,
+ GEN11_DISPLAY_IRQ_ENABLE);
}
+
+ dg1_master_intr_enable(dev_priv->uncore.regs);
+ intel_uncore_posting_read(&dev_priv->uncore, DG1_MSTR_TILE_INTR);
}
static void cherryview_irq_postinstall(struct drm_i915_private *dev_priv)
@@ -4386,9 +4426,9 @@ static irq_handler_t intel_irq_handler(struct drm_i915_private *dev_priv)
else
return i8xx_irq_handler;
} else {
- if (HAS_MASTER_UNIT_IRQ(dev_priv))
+ if (GRAPHICS_VER_FULL(dev_priv) >= IP_VER(12, 10))
return dg1_irq_handler;
- if (GRAPHICS_VER(dev_priv) >= 11)
+ else if (GRAPHICS_VER(dev_priv) >= 11)
return gen11_irq_handler;
else if (GRAPHICS_VER(dev_priv) >= 8)
return gen8_irq_handler;
@@ -4411,7 +4451,9 @@ static void intel_irq_reset(struct drm_i915_private *dev_priv)
else
i8xx_irq_reset(dev_priv);
} else {
- if (GRAPHICS_VER(dev_priv) >= 11)
+ if (GRAPHICS_VER_FULL(dev_priv) >= IP_VER(12, 10))
+ dg1_irq_reset(dev_priv);
+ else if (GRAPHICS_VER(dev_priv) >= 11)
gen11_irq_reset(dev_priv);
else if (GRAPHICS_VER(dev_priv) >= 8)
gen8_irq_reset(dev_priv);
@@ -4434,7 +4476,9 @@ static void intel_irq_postinstall(struct drm_i915_private *dev_priv)
else
i8xx_irq_postinstall(dev_priv);
} else {
- if (GRAPHICS_VER(dev_priv) >= 11)
+ if (GRAPHICS_VER_FULL(dev_priv) >= IP_VER(12, 10))
+ dg1_irq_postinstall(dev_priv);
+ else if (GRAPHICS_VER(dev_priv) >= 11)
gen11_irq_postinstall(dev_priv);
else if (GRAPHICS_VER(dev_priv) >= 8)
gen8_irq_postinstall(dev_priv);
@@ -4466,14 +4510,14 @@ int intel_irq_install(struct drm_i915_private *dev_priv)
*/
dev_priv->runtime_pm.irqs_enabled = true;
- dev_priv->drm.irq_enabled = true;
+ dev_priv->irq_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->drm.irq_enabled = false;
+ dev_priv->irq_enabled = false;
return ret;
}
@@ -4499,10 +4543,10 @@ void intel_irq_uninstall(struct drm_i915_private *dev_priv)
* intel_modeset_driver_remove() calling us out of sequence.
* Would be nice if it didn't do that...
*/
- if (!dev_priv->drm.irq_enabled)
+ if (!dev_priv->irq_enabled)
return;
- dev_priv->drm.irq_enabled = false;
+ dev_priv->irq_enabled = false;
intel_irq_reset(dev_priv);