These functions are quite similar, so combine them with the use of a new
argument for a function that detects long pulses. This will be also
needed by an upcoming patch adding support for BXT long pulse detection.
No functional change.
v2:
- rebase on top -nightly (Daniel)
Signed-off-by: Imre Deak <imre.d...@intel.com>
Reviewed-by: Sonika Jindal <sonika.jin...@intel.com>
---
drivers/gpu/drm/i915/i915_irq.c | 57 ++++++++++++++---------------------------
1 file changed, 19 insertions(+), 38 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index d87f173..9410aab 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1256,9 +1256,10 @@ static bool i9xx_port_hotplug_long_detect(enum port
port, u32 val)
}
/* Get a bit mask of pins that have triggered, and which ones may be long. */
-static void pch_get_hpd_pins(u32 *pin_mask, u32 *long_mask,
+static void intel_get_hpd_pins(u32 *pin_mask, u32 *long_mask,
u32 hotplug_trigger, u32 dig_hotplug_reg,
- const u32 hpd[HPD_NUM_PINS])
+ const u32 hpd[HPD_NUM_PINS],
+ bool long_pulse_detect(enum port port, u32 val))
{
enum port port;
int i;
@@ -1273,7 +1274,7 @@ static void pch_get_hpd_pins(u32 *pin_mask, u32
*long_mask,
*pin_mask |= BIT(i);
port = intel_hpd_pin_to_port(i);
- if (pch_port_hotplug_long_detect(port, dig_hotplug_reg))
+ if (long_pulse_detect(port, dig_hotplug_reg))
*long_mask |= BIT(i);
}
@@ -1282,34 +1283,6 @@ static void pch_get_hpd_pins(u32 *pin_mask, u32 *long_mask,
}
-/* Get a bit mask of pins that have triggered, and which ones may be long. */
-static void i9xx_get_hpd_pins(u32 *pin_mask, u32 *long_mask,
- u32 hotplug_trigger, const u32 hpd[HPD_NUM_PINS])
-{
- enum port port;
- int i;
-
- *pin_mask = 0;
- *long_mask = 0;
-
- if (!hotplug_trigger)
- return;
-
- for_each_hpd_pin(i) {
- if ((hpd[i] & hotplug_trigger) == 0)
- continue;
-
- *pin_mask |= BIT(i);
-
- port = intel_hpd_pin_to_port(i);
- if (i9xx_port_hotplug_long_detect(port, hotplug_trigger))
- *long_mask |= BIT(i);
- }
-
- DRM_DEBUG_DRIVER("hotplug event received, stat 0x%08x, pins 0x%08x\n",
- hotplug_trigger, *pin_mask);
-}
-
static void gmbus_irq_handler(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1547,7 +1520,9 @@ static void i9xx_hpd_irq_handler(struct drm_device *dev)
if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) {
u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_G4X;
- i9xx_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, hpd_status_g4x);
+ intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger,
+ hotplug_trigger, hpd_status_g4x,
+ i9xx_port_hotplug_long_detect);
intel_hpd_irq_handler(dev, pin_mask, long_mask);
if (hotplug_status & DP_AUX_CHANNEL_MASK_INT_STATUS_G4X)
@@ -1555,7 +1530,9 @@ static void i9xx_hpd_irq_handler(struct drm_device *dev)
} else {
u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_I915;
- i9xx_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, hpd_status_i915);
+ intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger,
+ hotplug_trigger, hpd_status_g4x,
+ i9xx_port_hotplug_long_detect);
intel_hpd_irq_handler(dev, pin_mask, long_mask);
}
}
@@ -1662,8 +1639,9 @@ static void ibx_irq_handler(struct drm_device *dev, u32
pch_iir)
dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg);
- pch_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger,
- dig_hotplug_reg, hpd_ibx);
+ intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger,
+ dig_hotplug_reg, hpd_ibx,
+ pch_port_hotplug_long_detect);
intel_hpd_irq_handler(dev, pin_mask, long_mask);
}
@@ -1763,8 +1741,10 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir)
dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg);
- pch_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger,
- dig_hotplug_reg, hpd_cpt);
+
+ intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger,
+ dig_hotplug_reg, hpd_cpt,
+ pch_port_hotplug_long_detect);
intel_hpd_irq_handler(dev, pin_mask, long_mask);
}
@@ -1981,7 +1961,8 @@ static void bxt_hpd_handler(struct drm_device *dev, uint32_t iir_status)
/* Clear sticky bits in hpd status */
I915_WRITE(BXT_HOTPLUG_CTL, hp_control);
- pch_get_hpd_pins(&pin_mask, &long_mask, hp_trigger, hp_control, hpd_bxt);
+ intel_get_hpd_pins(&pin_mask, &long_mask, hp_trigger, hp_control,
+ hpd_bxt, pch_port_hotplug_long_detect);
intel_hpd_irq_handler(dev, pin_mask, long_mask);
}
