From 76c9feb77e727a7a45475ca4b61f3b94c04f2fa3 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 3 Feb 2020 01:58:45 -0500
Subject: drm/nouveau/disp/gv100-: halt
Git-commit: 58ae5284f663f0856a13bc6caad93a0fe49d7cb4
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
NV_PDISP_FE_RM_INTR_STAT_CTRL_DISP_ERROR storms
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c
index 3aa2cc3af1e2..c1032527f791 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c
@@ -155,6 +155,12 @@ gv100_disp_intr_ctrl_disp(struct nv50_disp *disp)
if (stat & 0x00000008)
stat &= ~0x00000008;
+ if (stat & 0x00000080) {
+ u32 error = nvkm_mask(device, 0x611848, 0x00000000, 0x00000000);
+ nvkm_warn(subdev, "error %08x\n", error);
+ stat &= ~0x00000080;
+ }
+
if (stat & 0x00000100) {
unsigned long wndws = nvkm_rd32(device, 0x611858);
unsigned long other = nvkm_rd32(device, 0x61185c);
--
2.28.0