diff options
| author | Ben Skeggs <darktama@iinet.net.au> | 2006-11-17 08:05:23 +1100 |
|---|---|---|
| committer | Ben Skeggs <darktama@iinet.net.au> | 2006-11-17 08:05:23 +1100 |
| commit | 18bba3fa29187bb5122ed057989203dc05bc46aa (patch) | |
| tree | b97270f9b2ab4fa659390e0c082749e816154de2 /shared-core/nouveau_irq.c | |
| parent | 2fd812f8ef8adb09fd8d17cab869f9fc8b047d75 (diff) | |
Dump some useful info when a PGRAPH error occurs.
The "channel" detect doesn't work on my nv40, but the rest
seems to produce sane info.
Diffstat (limited to 'shared-core/nouveau_irq.c')
| -rw-r--r-- | shared-core/nouveau_irq.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/shared-core/nouveau_irq.c b/shared-core/nouveau_irq.c index 6de4a5e4..9131125f 100644 --- a/shared-core/nouveau_irq.c +++ b/shared-core/nouveau_irq.c @@ -306,8 +306,33 @@ static void nouveau_pgraph_irq_handler(drm_device_t *dev) } if (status & NV_PGRAPH_INTR_ERROR) { + uint32_t nsource, nstatus, instance; + uint32_t address; + uint32_t channel; + uint32_t method, subc, data; + DRM_ERROR("NV: PGRAPH error interrupt\n"); + nstatus = NV_READ(0x00400104); + nsource = NV_READ(0x00400108); + DRM_DEBUG("nsource:0x%08x\tnstatus:0x%08x\n", nsource, nstatus); + + instance = NV_READ(0x00400158); + DRM_DEBUG("instance:0x%08x\n", instance); + + address = NV_READ(0x400704); + data = NV_READ(0x400708); + channel = (address >> 20) & 0x1F; + subc = (address >> 16) & 0x7; + method = address & 0x1FFC; + DRM_DEBUG("NV: 0x400704 = 0x%08x\n", address); + DRM_ERROR("NV: Channel %d/%d (class 0x%04x) -" + "Method 0x%04x, Data 0x%08x\n", + channel, subc, + NV_READ(0x400160+subc*4) & 0xFFFF, + method, data + ); + status &= ~NV_PGRAPH_INTR_ERROR; NV_WRITE(NV_PGRAPH_INTSTAT, NV_PGRAPH_INTR_ERROR); } |