From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Collect the hpd related register values into a struct for
so that it's more convenient to pass them around.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_irq.c | 241 ++++++++++++++++++--------------
1 file changed, 137 insertions(+), 104 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 6556fe9e5934..b6f7b98b9ddb 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1684,6 +1684,11 @@ static bool i9xx_port_hotplug_long_detect(enum hpd_pin
pin, u32 val)
}
}
+struct hpd_irq_regs {
+ u32 dig_hotplug_reg;
+ u32 hotplug_trigger;
+};
+
/*
* Get a bit mask of pins that have triggered, and which ones may be long.
* This can be called multiple times with the same masks to accumulate
@@ -1693,14 +1698,16 @@ static bool i9xx_port_hotplug_long_detect(enum hpd_pin
pin, u32 val)
*/
static void intel_get_hpd_pins(struct drm_i915_private *dev_priv,
u32 *pin_mask, u32 *long_mask,
- u32 hotplug_trigger, u32 dig_hotplug_reg,
- const u32 hpd[HPD_NUM_PINS],
+ const struct hpd_irq_regs *hpd,
+ const u32 hpd_pins[HPD_NUM_PINS],
bool long_pulse_detect(enum hpd_pin pin, u32
val))
{
+ u32 hotplug_trigger = hpd->hotplug_trigger;
+ u32 dig_hotplug_reg = hpd->dig_hotplug_reg;
enum hpd_pin pin;
for_each_hpd_pin(pin) {
- if ((hpd[pin] & hotplug_trigger) == 0)
+ if ((hpd_pins[pin] & hotplug_trigger) == 0)
continue;
*pin_mask |= BIT(pin);
@@ -2072,12 +2079,14 @@ static void i9xx_hpd_irq_handler(struct
drm_i915_private *dev_priv,
if (IS_G4X(dev_priv) || IS_VALLEYVIEW(dev_priv) ||
IS_CHERRYVIEW(dev_priv)) {
- u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_G4X;
+ struct hpd_irq_regs hpd = {
+ .hotplug_trigger = hotplug_status &
HOTPLUG_INT_STATUS_G4X,
+ .dig_hotplug_reg = hotplug_status &
HOTPLUG_INT_STATUS_G4X,
+ };
- if (hotplug_trigger) {
+ if (hpd.hotplug_trigger) {
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- hotplug_trigger, hotplug_trigger,
- hpd_status_g4x,
+ &hpd, hpd_status_g4x,
i9xx_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
@@ -2086,12 +2095,14 @@ static void i9xx_hpd_irq_handler(struct
drm_i915_private *dev_priv,
if (hotplug_status & DP_AUX_CHANNEL_MASK_INT_STATUS_G4X)
dp_aux_irq_handler(dev_priv);
} else {
- u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_I915;
+ struct hpd_irq_regs hpd = {
+ .hotplug_trigger = hotplug_status &
HOTPLUG_INT_STATUS_I915,
+ .dig_hotplug_reg = hotplug_status &
HOTPLUG_INT_STATUS_I915,
+ };
- if (hotplug_trigger) {
+ if (hpd.hotplug_trigger) {
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- hotplug_trigger, hotplug_trigger,
- hpd_status_i915,
+ &hpd, hpd_status_i915,
i9xx_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
}
@@ -2265,44 +2276,51 @@ static irqreturn_t cherryview_irq_handler(int irq, void
*arg)
return ret;
}
-static void ibx_hpd_irq_handler(struct drm_i915_private *dev_priv,
- u32 hotplug_trigger,
- const u32 hpd[HPD_NUM_PINS])
+static void ibx_hpd_irq_ack(struct drm_i915_private *dev_priv,
+ struct hpd_irq_regs *hpd)
{
- u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
-
/*
* Somehow the PCH doesn't seem to really ack the interrupt to the CPU
* unless we touch the hotplug register, even if hotplug_trigger is
* zero. Not acking leads to "The master control interrupt lied (SDE)!"
* errors.
*/
- dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
- if (!hotplug_trigger) {
+ hpd->dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
+ if (!hpd->hotplug_trigger) {
u32 mask = PORTA_HOTPLUG_STATUS_MASK |
PORTD_HOTPLUG_STATUS_MASK |
PORTC_HOTPLUG_STATUS_MASK |
PORTB_HOTPLUG_STATUS_MASK;
- dig_hotplug_reg &= ~mask;
+ hpd->dig_hotplug_reg &= ~mask;
}
- I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg);
- if (!hotplug_trigger)
+ I915_WRITE(PCH_PORT_HOTPLUG, hpd->dig_hotplug_reg);
+}
+
+static void ibx_hpd_irq_handler(struct drm_i915_private *dev_priv,
+ const struct hpd_irq_regs *hpd,
+ const u32 hpd_pins[HPD_NUM_PINS])
+{
+ u32 pin_mask = 0, long_mask = 0;
+
+ if (!hpd->hotplug_trigger)
return;
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, hotplug_trigger,
- dig_hotplug_reg, hpd,
- pch_port_hotplug_long_detect);
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ hpd, hpd_pins, pch_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
}
static void ibx_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
{
+ struct hpd_irq_regs hpd = {};
int pipe;
- u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK;
- ibx_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ibx);
+ hpd.hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK;
+
+ ibx_hpd_irq_ack(dev_priv, &hpd);
+ ibx_hpd_irq_handler(dev_priv, &hpd, hpd_ibx);
if (pch_iir & SDE_AUDIO_POWER_MASK) {
int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK) >>
@@ -2385,10 +2403,13 @@ static void cpt_serr_int_handler(struct
drm_i915_private *dev_priv)
static void cpt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
{
+ struct hpd_irq_regs hpd = {};
int pipe;
- u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT;
- ibx_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_cpt);
+ hpd.hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT;
+
+ ibx_hpd_irq_ack(dev_priv, &hpd);
+ ibx_hpd_irq_handler(dev_priv, &hpd, hpd_cpt);
if (pch_iir & SDE_AUDIO_POWER_MASK_CPT) {
int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK_CPT) >>
@@ -2421,31 +2442,28 @@ static void cpt_irq_handler(struct drm_i915_private
*dev_priv, u32 pch_iir)
static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
{
- u32 ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP;
- u32 tc_hotplug_trigger = pch_iir & SDE_TC_MASK_ICP;
+ struct hpd_irq_regs ddi = {};
+ struct hpd_irq_regs tc = {};
u32 pin_mask = 0, long_mask = 0;
- if (ddi_hotplug_trigger) {
- u32 dig_hotplug_reg;
+ ddi.hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP;
+ tc.hotplug_trigger = pch_iir & SDE_TC_MASK_ICP;
- dig_hotplug_reg = I915_READ(SHOTPLUG_CTL_DDI);
- I915_WRITE(SHOTPLUG_CTL_DDI, dig_hotplug_reg);
+ if (ddi.hotplug_trigger) {
+ ddi.dig_hotplug_reg = I915_READ(SHOTPLUG_CTL_DDI);
+ I915_WRITE(SHOTPLUG_CTL_DDI, ddi.dig_hotplug_reg);
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- ddi_hotplug_trigger,
- dig_hotplug_reg, hpd_icp,
+ &ddi, hpd_icp,
icp_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);
+ if (tc.hotplug_trigger) {
+ tc.dig_hotplug_reg = I915_READ(SHOTPLUG_CTL_TC);
+ I915_WRITE(SHOTPLUG_CTL_TC, tc.dig_hotplug_reg);
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- tc_hotplug_trigger,
- dig_hotplug_reg, hpd_icp,
+ &tc, hpd_icp,
icp_tc_port_hotplug_long_detect);
}
@@ -2458,30 +2476,29 @@ static void icp_irq_handler(struct drm_i915_private
*dev_priv, u32 pch_iir)
static void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
{
- u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_SPT &
+ u32 pin_mask = 0, long_mask = 0;
+ struct hpd_irq_regs hpd = {};
+ struct hpd_irq_regs hpd2 = {};
+
+ hpd.hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_SPT &
~SDE_PORTE_HOTPLUG_SPT;
- u32 hotplug2_trigger = pch_iir & SDE_PORTE_HOTPLUG_SPT;
- u32 pin_mask = 0, long_mask = 0;
+ hpd2.hotplug_trigger = pch_iir & SDE_PORTE_HOTPLUG_SPT;
- if (hotplug_trigger) {
- u32 dig_hotplug_reg;
-
- dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
- I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg);
+ if (hpd.hotplug_trigger) {
+ hpd.dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
+ I915_WRITE(PCH_PORT_HOTPLUG, hpd.dig_hotplug_reg);
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- hotplug_trigger, dig_hotplug_reg, hpd_spt,
+ &hpd, hpd_spt,
spt_port_hotplug_long_detect);
}
- if (hotplug2_trigger) {
- u32 dig_hotplug_reg;
-
- dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG2);
- I915_WRITE(PCH_PORT_HOTPLUG2, dig_hotplug_reg);
+ if (hpd2.hotplug_trigger) {
+ hpd2.dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG2);
+ I915_WRITE(PCH_PORT_HOTPLUG2, hpd2.dig_hotplug_reg);
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- hotplug2_trigger, dig_hotplug_reg, hpd_spt,
+ &hpd2, hpd_spt,
spt_port_hotplug2_long_detect);
}
@@ -2492,17 +2509,21 @@ static void spt_irq_handler(struct drm_i915_private
*dev_priv, u32 pch_iir)
gmbus_irq_handler(dev_priv);
}
+static void ilk_hpd_irq_ack(struct drm_i915_private *dev_priv,
+ struct hpd_irq_regs *hpd)
+{
+ hpd->dig_hotplug_reg = I915_READ(DIGITAL_PORT_HOTPLUG_CNTRL);
+ I915_WRITE(DIGITAL_PORT_HOTPLUG_CNTRL, hpd->dig_hotplug_reg);
+}
+
static void ilk_hpd_irq_handler(struct drm_i915_private *dev_priv,
- u32 hotplug_trigger,
- const u32 hpd[HPD_NUM_PINS])
+ const struct hpd_irq_regs *hpd,
+ const u32 hpd_pins[HPD_NUM_PINS])
{
- u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
+ u32 pin_mask = 0, long_mask = 0;
- dig_hotplug_reg = I915_READ(DIGITAL_PORT_HOTPLUG_CNTRL);
- I915_WRITE(DIGITAL_PORT_HOTPLUG_CNTRL, dig_hotplug_reg);
-
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, hotplug_trigger,
- dig_hotplug_reg, hpd,
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ hpd, hpd_pins,
ilk_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
@@ -2511,11 +2532,14 @@ static void ilk_hpd_irq_handler(struct drm_i915_private
*dev_priv,
static void ilk_display_irq_handler(struct drm_i915_private *dev_priv,
u32 de_iir)
{
+ struct hpd_irq_regs hpd = {};
enum pipe pipe;
- u32 hotplug_trigger = de_iir & DE_DP_A_HOTPLUG;
- if (hotplug_trigger)
- ilk_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ilk);
+ hpd.hotplug_trigger = de_iir & DE_DP_A_HOTPLUG;
+ if (hpd.hotplug_trigger) {
+ ilk_hpd_irq_ack(dev_priv, &hpd);
+ ilk_hpd_irq_handler(dev_priv, &hpd, hpd_ilk);
+ }
if (de_iir & DE_AUX_CHANNEL_A)
dp_aux_irq_handler(dev_priv);
@@ -2557,11 +2581,14 @@ static void ilk_display_irq_handler(struct
drm_i915_private *dev_priv,
static void ivb_display_irq_handler(struct drm_i915_private *dev_priv,
u32 de_iir)
{
+ struct hpd_irq_regs hpd = {};
enum pipe pipe;
- u32 hotplug_trigger = de_iir & DE_DP_A_HOTPLUG_IVB;
- if (hotplug_trigger)
- ilk_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ivb);
+ hpd.hotplug_trigger = de_iir & DE_DP_A_HOTPLUG_IVB;
+ if (hpd.hotplug_trigger) {
+ ilk_hpd_irq_ack(dev_priv, &hpd);
+ ilk_hpd_irq_handler(dev_priv, &hpd, hpd_ivb);
+ }
if (de_iir & DE_ERR_INT_IVB)
ivb_err_int_handler(dev_priv);
@@ -2671,17 +2698,21 @@ static irqreturn_t ironlake_irq_handler(int irq, void
*arg)
return ret;
}
+static void bxt_hpd_irq_ack(struct drm_i915_private *dev_priv,
+ struct hpd_irq_regs *hpd)
+{
+ hpd->dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
+ I915_WRITE(PCH_PORT_HOTPLUG, hpd->dig_hotplug_reg);
+}
+
static void bxt_hpd_irq_handler(struct drm_i915_private *dev_priv,
- u32 hotplug_trigger,
- const u32 hpd[HPD_NUM_PINS])
+ const struct hpd_irq_regs *hpd,
+ const u32 hpd_pins[HPD_NUM_PINS])
{
- u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
+ u32 pin_mask = 0, long_mask = 0;
- dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
- I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg);
-
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, hotplug_trigger,
- dig_hotplug_reg, hpd,
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ hpd, hpd_pins,
bxt_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
@@ -2689,29 +2720,28 @@ static void bxt_hpd_irq_handler(struct drm_i915_private
*dev_priv,
static void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir)
{
+ struct hpd_irq_regs tc = {};
+ struct hpd_irq_regs tbt = {};
u32 pin_mask = 0, long_mask = 0;
- u32 trigger_tc = iir & GEN11_DE_TC_HOTPLUG_MASK;
- u32 trigger_tbt = iir & GEN11_DE_TBT_HOTPLUG_MASK;
- if (trigger_tc) {
- u32 dig_hotplug_reg;
+ tc.hotplug_trigger = iir & GEN11_DE_TC_HOTPLUG_MASK;
+ tbt.hotplug_trigger = iir & GEN11_DE_TBT_HOTPLUG_MASK;
- dig_hotplug_reg = I915_READ(GEN11_TC_HOTPLUG_CTL);
- I915_WRITE(GEN11_TC_HOTPLUG_CTL, dig_hotplug_reg);
+ if (tc.hotplug_trigger) {
+ tc.dig_hotplug_reg = I915_READ(GEN11_TC_HOTPLUG_CTL);
+ I915_WRITE(GEN11_TC_HOTPLUG_CTL, tc.dig_hotplug_reg);
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, trigger_tc,
- dig_hotplug_reg, hpd_gen11,
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ &tc, hpd_gen11,
gen11_port_hotplug_long_detect);
}
- if (trigger_tbt) {
- u32 dig_hotplug_reg;
+ if (tbt.hotplug_trigger) {
+ tbt.dig_hotplug_reg = I915_READ(GEN11_TBT_HOTPLUG_CTL);
+ I915_WRITE(GEN11_TBT_HOTPLUG_CTL, tbt.dig_hotplug_reg);
- dig_hotplug_reg = I915_READ(GEN11_TBT_HOTPLUG_CTL);
- I915_WRITE(GEN11_TBT_HOTPLUG_CTL, dig_hotplug_reg);
-
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, trigger_tbt,
- dig_hotplug_reg, hpd_gen11,
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ &tbt, hpd_gen11,
gen11_port_hotplug_long_detect);
}
@@ -2797,7 +2827,6 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv,
u32 master_ctl)
if (master_ctl & GEN8_DE_PORT_IRQ) {
iir = I915_READ(GEN8_DE_PORT_IIR);
if (iir) {
- u32 tmp_mask;
bool found = false;
I915_WRITE(GEN8_DE_PORT_IIR, iir);
@@ -2809,17 +2838,21 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv,
u32 master_ctl)
}
if (IS_GEN9_LP(dev_priv)) {
- tmp_mask = iir & BXT_DE_PORT_HOTPLUG_MASK;
- if (tmp_mask) {
- bxt_hpd_irq_handler(dev_priv, tmp_mask,
- hpd_bxt);
+ struct hpd_irq_regs ddi = {};
+
+ ddi.hotplug_trigger = iir &
BXT_DE_PORT_HOTPLUG_MASK;
+ if (ddi.hotplug_trigger) {
+ bxt_hpd_irq_ack(dev_priv, &ddi);
+ bxt_hpd_irq_handler(dev_priv, &ddi,
hpd_bxt);
found = true;
}
} else if (IS_BROADWELL(dev_priv)) {
- tmp_mask = iir & GEN8_PORT_DP_A_HOTPLUG;
- if (tmp_mask) {
- ilk_hpd_irq_handler(dev_priv,
- tmp_mask, hpd_bdw);
+ struct hpd_irq_regs ddi = {};
+
+ ddi.hotplug_trigger = iir &
GEN8_PORT_DP_A_HOTPLUG;
+ if (ddi.hotplug_trigger) {
+ ilk_hpd_irq_ack(dev_priv, &ddi);
+ ilk_hpd_irq_handler(dev_priv, &ddi,
hpd_bdw);
found = true;
}
}
--
2.21.0
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