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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.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 3201986bf25e..f66392b6e287 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1711,7 +1711,7 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev,
#define HPD_STORM_DETECT_PERIOD 1000
#define HPD_STORM_THRESHOLD 5
-static int ilk_port_to_hotplug_shift(enum port port)
+static int pch_port_to_hotplug_shift(enum port port)
{
switch (port) {
case PORT_A:
@@ -1727,7 +1727,7 @@ static int ilk_port_to_hotplug_shift(enum port port)
}
}
-static int g4x_port_to_hotplug_shift(enum port port)
+static int i915_port_to_hotplug_shift(enum port port)
{
switch (port) {
case PORT_A:
@@ -1785,12 +1785,12 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev,
if (port && dev_priv->hpd_irq_port[port]) {
bool long_hpd;
- if (IS_G4X(dev)) {
- dig_shift = g4x_port_to_hotplug_shift(port);
- long_hpd = (hotplug_trigger >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT;
- } else {
- dig_shift = ilk_port_to_hotplug_shift(port);
+ if (HAS_PCH_SPLIT(dev)) {
+ dig_shift = pch_port_to_hotplug_shift(port);
long_hpd = (dig_hotplug_reg >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT;
+ } else {
+ dig_shift = i915_port_to_hotplug_shift(port);
+ long_hpd = (hotplug_trigger >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT;
}
DRM_DEBUG_DRIVER("digital hpd port %c - %s\n",
@@ -3458,12 +3458,13 @@ static void gen8_irq_reset(struct drm_device *dev)
void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv)
{
unsigned long irqflags;
+ uint32_t extra_ier = GEN8_PIPE_VBLANK | GEN8_PIPE_FIFO_UNDERRUN;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_B, dev_priv->de_irq_mask[PIPE_B],
- ~dev_priv->de_irq_mask[PIPE_B]);
+ ~dev_priv->de_irq_mask[PIPE_B] | extra_ier);
GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_C, dev_priv->de_irq_mask[PIPE_C],
- ~dev_priv->de_irq_mask[PIPE_C]);
+ ~dev_priv->de_irq_mask[PIPE_C] | extra_ier);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}