From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpu/drm/vc4/vc4_irq.c | 29 +++++++++++++++++++++++++----
1 files changed, 25 insertions(+), 4 deletions(-)
diff --git a/kernel/drivers/gpu/drm/vc4/vc4_irq.c b/kernel/drivers/gpu/drm/vc4/vc4_irq.c
index 4cd2ccf..e226c24 100644
--- a/kernel/drivers/gpu/drm/vc4/vc4_irq.c
+++ b/kernel/drivers/gpu/drm/vc4/vc4_irq.c
@@ -59,15 +59,22 @@
{
struct vc4_dev *vc4 =
container_of(work, struct vc4_dev, overflow_mem_work);
- struct vc4_bo *bo = vc4->bin_bo;
+ struct vc4_bo *bo;
int bin_bo_slot;
struct vc4_exec_info *exec;
unsigned long irqflags;
+ mutex_lock(&vc4->bin_bo_lock);
+
+ if (!vc4->bin_bo)
+ goto complete;
+
+ bo = vc4->bin_bo;
+
bin_bo_slot = vc4_v3d_get_bin_slot(vc4);
if (bin_bo_slot < 0) {
DRM_ERROR("Couldn't allocate binner overflow mem\n");
- return;
+ goto complete;
}
spin_lock_irqsave(&vc4->job_lock, irqflags);
@@ -98,6 +105,9 @@
V3D_WRITE(V3D_INTCTL, V3D_INT_OUTOMEM);
V3D_WRITE(V3D_INTENA, V3D_INT_OUTOMEM);
spin_unlock_irqrestore(&vc4->job_lock, irqflags);
+
+complete:
+ mutex_unlock(&vc4->bin_bo_lock);
}
static void
@@ -229,6 +239,9 @@
{
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);
@@ -243,8 +256,13 @@
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
- /* Enable both the render done and out of memory interrupts. */
- V3D_WRITE(V3D_INTENA, V3D_DRIVER_IRQS);
+ if (!vc4->v3d)
+ return 0;
+
+ /* Enable the render done interrupts. The out-of-memory interrupt is
+ * enabled as soon as we have a binner BO allocated.
+ */
+ V3D_WRITE(V3D_INTENA, V3D_INT_FLDONE | V3D_INT_FRDONE);
return 0;
}
@@ -254,6 +272,9 @@
{
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);
--
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