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| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2011-02-13 20:46:40 +0100 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-02-25 06:45:26 +1000 |
| commit | 3248421670925af12b1ade5da987f6757d737748 (patch) | |
| tree | bfc704399317f634ac155e13af6b1a45ece2bd75 /drivers/gpu/drm/nouveau/nv04_fifo.c | |
| parent | 4dcf905c843af9de623da42c3b5b12b98c68e62b (diff) | |
| download | lwn-3248421670925af12b1ade5da987f6757d737748.tar.gz lwn-3248421670925af12b1ade5da987f6757d737748.zip | |
drm/nouveau: decode PFIFO DMA_PUSHER error codes
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_fifo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_fifo.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_fifo.c b/drivers/gpu/drm/nouveau/nv04_fifo.c index f89d104698df..dfa600c46186 100644 --- a/drivers/gpu/drm/nouveau/nv04_fifo.c +++ b/drivers/gpu/drm/nouveau/nv04_fifo.c @@ -379,6 +379,15 @@ out: return handled; } +static const char *nv_dma_state_err(u32 state) +{ + static const char * const desc[] = { + "NONE", "CALL_SUBR_ACTIVE", "INVALID_MTHD", "RET_SUBR_INACTIVE", + "INVALID_CMD", "IB_EMPTY"/* NV50+ */, "MEM_FAULT", "UNK" + }; + return desc[(state >> 29) & 0x7]; +} + void nv04_fifo_isr(struct drm_device *dev) { @@ -460,9 +469,10 @@ nv04_fifo_isr(struct drm_device *dev) if (nouveau_ratelimit()) NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%02x%08x " "Put 0x%02x%08x IbGet 0x%08x IbPut 0x%08x " - "State 0x%08x Push 0x%08x\n", + "State 0x%08x (err: %s) Push 0x%08x\n", chid, ho_get, dma_get, ho_put, dma_put, ib_get, ib_put, state, + nv_dma_state_err(state), push); /* METHOD_COUNT, in DMA_STATE on earlier chipsets */ @@ -476,8 +486,9 @@ nv04_fifo_isr(struct drm_device *dev) } } else { NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%08x " - "Put 0x%08x State 0x%08x Push 0x%08x\n", - chid, dma_get, dma_put, state, push); + "Put 0x%08x State 0x%08x (err: %s) Push 0x%08x\n", + chid, dma_get, dma_put, state, + nv_dma_state_err(state), push); if (dma_get != dma_put) nv_wr32(dev, 0x003244, dma_put); |