[Nouveau] [PATCH] fifo/gk104: fix engine status register offset
Vince Hsu
vinceh at nvidia.com
Sun Nov 15 23:38:30 PST 2015
The offset should be 8 on Kepler and later.
Signed-off-by: Vince Hsu <vinceh at nvidia.com>
---
drm/nouveau/nvkm/engine/fifo/gk104.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Hi,
According to the header[1] the offset for engine status register is 8.
[1] https://github.com/kfractal/nouveau/blob/hwref/drm/nouveau/include/nvkm/hwref/gk104/fifo.h
Thanks,
Vince
diff --git a/drm/nouveau/nvkm/engine/fifo/gk104.c b/drm/nouveau/nvkm/engine/fifo/gk104.c
index 8d5db6d5a558..4fcd147d43c8 100644
--- a/drm/nouveau/nvkm/engine/fifo/gk104.c
+++ b/drm/nouveau/nvkm/engine/fifo/gk104.c
@@ -196,7 +196,7 @@ gk104_fifo_intr_sched_ctxsw(struct gk104_fifo *fifo)
spin_lock_irqsave(&fifo->base.lock, flags);
for (engn = 0; engn < ARRAY_SIZE(fifo->engine); engn++) {
- u32 stat = nvkm_rd32(device, 0x002640 + (engn * 0x04));
+ u32 stat = nvkm_rd32(device, 0x002640 + (engn * 0x08));
u32 busy = (stat & 0x80000000);
u32 next = (stat & 0x07ff0000) >> 16;
u32 chsw = (stat & 0x00008000);
--
2.1.4
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