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authorBen Skeggs <bskeggs@redhat.com>2020-02-03 01:58:45 -0500
committerBen Skeggs <bskeggs@redhat.com>2020-02-03 21:36:54 +1000
commit58ae5284f663f0856a13bc6caad93a0fe49d7cb4 (patch)
treeed8fbf15f93ffa974e11c7d96d7d4c21ebd4b2ea /drivers/gpu/drm/nouveau/nvkm/engine
parentc3463aed05abf06bd5ebaac12f2c015db298b98f (diff)
drm/nouveau/disp/gv100-: halt NV_PDISP_FE_RM_INTR_STAT_CTRL_DISP_ERROR storms
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c6
1 files changed, 6 insertions, 0 deletions
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);