8f9e91ad03
These patches were generated from: https://github.com/raspberrypi/linux/commits/rpi-6.12.y With the following command: git format-patch -N v6.12.27..HEAD (HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e) Exceptions: - (def)configs patches - github workflows patches - applied & reverted patches - readme patches - wireless patches Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
From 2668585b112602c36ec4df999d929ff686d64084 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Mon, 11 Nov 2019 20:18:08 +0000
|
|
Subject: [PATCH] drm/v3d: Suppress all but the first MMU error
|
|
|
|
The v3d driver currently encounters a lot of MMU PTE exceptions, so
|
|
only log the first to avoid swamping the kernel log.
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
|
---
|
|
drivers/gpu/drm/v3d/v3d_irq.c | 3 +++
|
|
1 file changed, 3 insertions(+)
|
|
|
|
--- a/drivers/gpu/drm/v3d/v3d_irq.c
|
|
+++ b/drivers/gpu/drm/v3d/v3d_irq.c
|
|
@@ -197,6 +197,7 @@ v3d_hub_irq(int irq, void *arg)
|
|
"GMP",
|
|
};
|
|
const char *client = "?";
|
|
+ static int logged_error;
|
|
|
|
V3D_WRITE(V3D_MMU_CTL, V3D_READ(V3D_MMU_CTL));
|
|
|
|
@@ -206,6 +207,7 @@ v3d_hub_irq(int irq, void *arg)
|
|
client = v3d41_axi_ids[axi_id];
|
|
}
|
|
|
|
+ if (!logged_error)
|
|
dev_err(v3d->drm.dev, "MMU error from client %s (%d) at 0x%llx%s%s%s\n",
|
|
client, axi_id, (long long)vio_addr,
|
|
((intsts & V3D_HUB_INT_MMU_WRV) ?
|
|
@@ -214,6 +216,7 @@ v3d_hub_irq(int irq, void *arg)
|
|
", pte invalid" : ""),
|
|
((intsts & V3D_HUB_INT_MMU_CAP) ?
|
|
", cap exceeded" : ""));
|
|
+ logged_error = 1;
|
|
status = IRQ_HANDLED;
|
|
}
|
|
|