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From c6e6c508b5ab90ac310b9686fd63732c05e07b06 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 12 Mar 2019 09:08:10 -0700
Subject: [PATCH 584/773] drm/v3d: Update to upstream IRQ code.
---
drivers/gpu/drm/v3d/v3d_irq.c | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
--- a/drivers/gpu/drm/v3d/v3d_irq.c
+++ b/drivers/gpu/drm/v3d/v3d_irq.c
@@ -168,7 +168,7 @@ v3d_hub_irq(int irq, void *arg)
int
v3d_irq_init(struct v3d_dev *v3d)
{
- int ret, core;
+ int irq1, ret, core;
INIT_WORK(&v3d->overflow_mem_work, v3d_overflow_mem_work);
@@ -179,24 +179,29 @@ v3d_irq_init(struct v3d_dev *v3d)
V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS);
V3D_WRITE(V3D_HUB_INT_CLR, V3D_HUB_IRQS);
- if (platform_get_irq(v3d->pdev, 1) < 0) {
- ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0),
+ irq1 = platform_get_irq(v3d->pdev, 1);
+ if (irq1 == -EPROBE_DEFER)
+ return irq1;
+ if (irq1 > 0) {
+ ret = devm_request_irq(v3d->dev, irq1,
v3d_irq, IRQF_SHARED,
- "v3d", v3d);
- v3d->single_irq_line = true;
- } else {
+ "v3d_core0", v3d);
+ if (ret)
+ goto fail;
ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0),
v3d_hub_irq, IRQF_SHARED,
"v3d_hub", v3d);
if (ret)
goto fail;
+ } else {
+ v3d->single_irq_line = true;
- ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 1),
+ ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0),
v3d_irq, IRQF_SHARED,
- "v3d_core0", v3d);
+ "v3d", v3d);
+ if (ret)
+ goto fail;
}
- if (ret)
- goto fail;
v3d_irq_enable(v3d);
return 0;
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