Openwrt/target/linux/bcm27xx/patches-5.4/950-0549-drm-vc4-crtc-Use-a-shared-interrupt.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-18 23:42:32 +01:00

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913 B
Diff

From 5451dc04ff87dcf514c422f180ea5e23b7b60151 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Thu, 9 Jan 2020 18:40:49 +0100
Subject: [PATCH] drm/vc4: crtc: Use a shared interrupt
Some pixelvalves in vc5 use the same interrupt line so let's register our
interrupt handler as a shared one.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_crtc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -1177,7 +1177,9 @@ static int vc4_crtc_bind(struct device *
CRTC_WRITE(PV_INTEN, 0);
CRTC_WRITE(PV_INTSTAT, PV_INT_VFP_START);
ret = devm_request_irq(dev, platform_get_irq(pdev, 0),
- vc4_crtc_irq_handler, 0, "vc4 crtc", vc4_crtc);
+ vc4_crtc_irq_handler,
+ IRQF_SHARED,
+ "vc4 crtc", vc4_crtc);
if (ret)
goto err_destroy_planes;