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drm/nouveau/disp: clear notify intr status when enabling, to prevent races

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-10-28 11:21:44 +10:00
parent 2832271d64
commit f9895e6dbe
2 changed files with 4 additions and 0 deletions
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2
drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
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@ -88,12 +88,14 @@ nv50_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index)
{
struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent);
nv_mask(priv, 0x610028, 0x00000001 << index, 0x00000000 << index);
nv_wr32(priv, 0x610020, 0x00000001 << index);
}
static void
nv50_disp_chan_uevent_init(struct nvkm_event *event, int types, int index)
{
struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent);
nv_wr32(priv, 0x610020, 0x00000001 << index);
nv_mask(priv, 0x610028, 0x00000001 << index, 0x00000001 << index);
}

2
drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
View File

@ -51,12 +51,14 @@ nvd0_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index)
{
struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent);
nv_mask(priv, 0x610090, 0x00000001 << index, 0x00000000 << index);
nv_wr32(priv, 0x61008c, 0x00000001 << index);
}
static void
nvd0_disp_chan_uevent_init(struct nvkm_event *event, int types, int index)
{
struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent);
nv_wr32(priv, 0x61008c, 0x00000001 << index);
nv_mask(priv, 0x610090, 0x00000001 << index, 0x00000001 << index);
}