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authorXia Yang <xiay@nvidia.com>2016-02-25 17:59:08 +0900
committerBen Skeggs <bskeggs@redhat.com>2016-03-14 10:13:30 +1000
commit0689aad70d719842c3a07f5782b7d35bb12efe9d (patch)
tree74ae1433a9d3923472ba49d47a57a31c0a352de4 /drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
parent9d0394c6bed5b4b78167cc0eea294754a9cb2bbc (diff)
drm/nouveau/fifo/gk104: fix chid bit mask
Fix the channel id bit mask in FIFO schedule timeout error handling. FIFO_ENGINE_STATUS_NEXT_ID is bit 27:16 thus 0x0fff0000. FIFO_ENGINE_STATUS_ID is bit 11:0 thus 0x00000fff. Signed-off-by: Xia Yang <xiay@nvidia.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
index 4fcd147d43c8..d6a88cf67416 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
@@ -198,11 +198,11 @@ gk104_fifo_intr_sched_ctxsw(struct gk104_fifo *fifo)
for (engn = 0; engn < ARRAY_SIZE(fifo->engine); engn++) {
u32 stat = nvkm_rd32(device, 0x002640 + (engn * 0x08));
u32 busy = (stat & 0x80000000);
- u32 next = (stat & 0x07ff0000) >> 16;
+ u32 next = (stat & 0x0fff0000) >> 16;
u32 chsw = (stat & 0x00008000);
u32 save = (stat & 0x00004000);
u32 load = (stat & 0x00002000);
- u32 prev = (stat & 0x000007ff);
+ u32 prev = (stat & 0x00000fff);
u32 chid = load ? next : prev;
(void)save;