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path: root/drivers/gpu/drm/radeon/r100.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r--drivers/gpu/drm/radeon/r100.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index d2b789e67c3..8760d66e058 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -131,7 +131,8 @@ void r100_hpd_init(struct radeon_device *rdev)
break;
}
}
- r100_irq_set(rdev);
+ if (rdev->irq.installed)
+ r100_irq_set(rdev);
}
void r100_hpd_fini(struct radeon_device *rdev)
@@ -243,6 +244,11 @@ int r100_irq_set(struct radeon_device *rdev)
{
uint32_t tmp = 0;
+ if (!rdev->irq.installed) {
+ WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
+ WREG32(R_000040_GEN_INT_CNTL, 0);
+ return -EINVAL;
+ }
if (rdev->irq.sw_int) {
tmp |= RADEON_SW_INT_ENABLE;
}