Merge tag 'renesas-soc-cleanups-for-v3.19' of git://git.kernel.org/pub/scm/linux...

[cascardo/linux.git] / drivers / gpu / drm / i915 / i915_irq.c

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 3201986..f66392b 100644 (file)
--- 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);
 }