drm/radeon/r600: don't do interrupts

Interrupts are not supported yet.  This prevents
things like mesa from trying to use them.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c
index 9836c705a95..b79ecc4a7cc 100644
--- a/drivers/gpu/drm/radeon/radeon_irq.c
+++ b/drivers/gpu/drm/radeon/radeon_irq.c
@@ -188,6 +188,9 @@ irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS)
         u32 stat;
         u32 r500_disp_int;
 
+        if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+                return IRQ_NONE;
+
         /* Only consider the bits we're interested in - others could be used
          * outside the DRM
          */
@@ -286,6 +289,9 @@ int radeon_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_pr
         drm_radeon_irq_emit_t *emit = data;
         int result;
 
+        if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+                return -EINVAL;
+
         LOCK_TEST_WITH_RETURN(dev, file_priv);
 
         if (!dev_priv) {
@@ -315,6 +321,9 @@ int radeon_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_pr
                 return -EINVAL;
         }
 
+        if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+                return -EINVAL;
+
         return radeon_wait_irq(dev, irqwait->irq_seq);
 }
 
@@ -326,6 +335,9 @@ void radeon_driver_irq_preinstall(struct drm_device * dev)
             (drm_radeon_private_t *) dev->dev_private;
         u32 dummy;
 
+        if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+                return;
+
         /* Disable *all* interrupts */
         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
@@ -345,6 +357,9 @@ int radeon_driver_irq_postinstall(struct drm_device *dev)
 
         dev->max_vblank_count = 0x001fffff;
 
+        if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+                return 0;
+
         radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
 
         return 0;
@@ -357,6 +372,9 @@ void radeon_driver_irq_uninstall(struct drm_device * dev)
         if (!dev_priv)
                 return;
 
+        if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+                return;
+
         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
         /* Disable *all* interrupts */