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path: root/drivers/gpu/drm/vc4/vc4_irq.c
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Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_irq.c')
-rw-r--r--drivers/gpu/drm/vc4/vc4_irq.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_irq.c b/drivers/gpu/drm/vc4/vc4_irq.c
index 4cd2ccfe15f4..ffd0a4388752 100644
--- a/drivers/gpu/drm/vc4/vc4_irq.c
+++ b/drivers/gpu/drm/vc4/vc4_irq.c
@@ -229,6 +229,9 @@ vc4_irq_preinstall(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
+ if (!vc4->v3d)
+ return;
+
init_waitqueue_head(&vc4->job_wait_queue);
INIT_WORK(&vc4->overflow_mem_work, vc4_overflow_mem_work);
@@ -243,6 +246,9 @@ vc4_irq_postinstall(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
+ if (!vc4->v3d)
+ return 0;
+
/* Enable both the render done and out of memory interrupts. */
V3D_WRITE(V3D_INTENA, V3D_DRIVER_IRQS);
@@ -254,6 +260,9 @@ vc4_irq_uninstall(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
+ if (!vc4->v3d)
+ return;
+
/* Disable sending interrupts for our driver's IRQs. */
V3D_WRITE(V3D_INTDIS, V3D_DRIVER_IRQS);