drm/i915: Macro to determine DPF support

Originally I had a macro specifically for DPF support, and Daniel, with
good reason asked me to change it to this. It's not the way I would have
gone (and indeed I didn't), but for now there is no distinction as all
platforms with L3 also have DPF.

Note: The good reasons are that dpf is a l3$ feature (at least on
currrent hw), hence I don't expect one to go without the other.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: added note]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

4 files changed, 7 insertions, 5 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f1765893da60..35a90da64149 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1114,6 +1114,8 @@ struct drm_i915_file_private {
 
 #define HAS_FORCE_WAKE(dev) (INTEL_INFO(dev)->has_force_wake)
 
+#define HAS_L3_GPU_CACHE(dev) (IS_IVYBRIDGE(dev))
+
 #include "i915_trace.h"
 
 /**
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 41ed41d70472..440c9051aa9b 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -444,7 +444,7 @@ static void ivybridge_handle_parity_error(struct drm_device *dev)
         drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
         unsigned long flags;
 
-        if (!IS_IVYBRIDGE(dev))
+        if (!HAS_L3_GPU_CACHE(dev))
                 return;
 
         spin_lock_irqsave(&dev_priv->irq_lock, flags);
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 2f5388af8df9..77a97bfabb6b 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -212,7 +212,7 @@ void i915_setup_sysfs(struct drm_device *dev)
                         DRM_ERROR("RC6 residency sysfs setup failed\n");
         }
 
-        if (IS_IVYBRIDGE(dev)) {
+        if (HAS_L3_GPU_CACHE(dev)) {
                 ret = device_create_bin_file(&dev->primary->kdev, &dpf_attrs);
                 if (ret)
                         DRM_ERROR("l3 parity sysfs setup failed\n");
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 8b7085e4cf84..c58f1b91d08b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -454,7 +454,7 @@ static int init_render_ring(struct intel_ring_buffer *ring)
         if (INTEL_INFO(dev)->gen >= 6)
                 I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_FORCE_ORDERING));
 
-        if (IS_IVYBRIDGE(dev))
+        if (HAS_L3_GPU_CACHE(dev))
                 I915_WRITE_IMR(ring, ~GEN6_RENDER_L3_PARITY_ERROR);
 
         return ret;
@@ -844,7 +844,7 @@ gen6_ring_get_irq(struct intel_ring_buffer *ring)
 
         spin_lock_irqsave(&dev_priv->irq_lock, flags);
         if (ring->irq_refcount++ == 0) {
-                if (IS_IVYBRIDGE(dev) && ring->id == RCS)
+                if (HAS_L3_GPU_CACHE(dev) && ring->id == RCS)
                         I915_WRITE_IMR(ring, ~(ring->irq_enable_mask |
                                                 GEN6_RENDER_L3_PARITY_ERROR));
                 else
@@ -867,7 +867,7 @@ gen6_ring_put_irq(struct intel_ring_buffer *ring)
 
         spin_lock_irqsave(&dev_priv->irq_lock, flags);
         if (--ring->irq_refcount == 0) {
-                if (IS_IVYBRIDGE(dev) && ring->id == RCS)
+                if (HAS_L3_GPU_CACHE(dev) && ring->id == RCS)
                         I915_WRITE_IMR(ring, ~GEN6_RENDER_L3_PARITY_ERROR);
                 else
                         I915_WRITE_IMR(ring, ~0);