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authorÁlvaro Fernández Rojas <noltari@gmail.com>2019-07-09 20:32:28 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2019-07-14 12:44:14 +0200
commit42954857190b9df16d9d873ecc7f6cc38e013e44 (patch)
tree98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0590-drm-v3d-Update-to-upstream-IRQ-code.patch
parentf1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff)
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brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709) Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0590-drm-v3d-Update-to-upstream-IRQ-code.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0590-drm-v3d-Update-to-upstream-IRQ-code.patch59
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0590-drm-v3d-Update-to-upstream-IRQ-code.patch b/target/linux/brcm2708/patches-4.19/950-0590-drm-v3d-Update-to-upstream-IRQ-code.patch
new file mode 100644
index 0000000000..2cb16a97e6
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0590-drm-v3d-Update-to-upstream-IRQ-code.patch
@@ -0,0 +1,59 @@
+From 97f75af520bb5c124641b0704ebbd171f80d0bfb Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Tue, 12 Mar 2019 09:08:10 -0700
+Subject: [PATCH 590/703] 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;