diff options
| author |   Ben Skeggs <bskeggs@redhat.com> | 2020-01-28 15:03:25 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2020-01-29 15:49:56 +1000 |
| commit | 86e18ebd87072ed1ba6ecd86271e7a712115d579 (patch) | |
| tree | e551e80f809f4a87a691bd58318621d3c1bd202e /drivers/gpu/drm/nouveau | |
| parent | drm/nouveau/disp/nv50-: prevent oops when no channel method map provided (diff) | |
| download | linux-dev-86e18ebd87072ed1ba6ecd86271e7a712115d579.tar.xz linux-dev-86e18ebd87072ed1ba6ecd86271e7a712115d579.zip | |
drm/nouveau/disp/gv100-: not all channel types support reporting error codes
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c index 892be6c9b76c..3aa2cc3af1e2 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c @@ -101,15 +101,26 @@ gv100_disp_exception(struct nv50_disp *disp, int chid) u32 stat = nvkm_rd32(device, 0x611020 + (chid * 12)); u32 type = (stat & 0x00007000) >> 12; u32 mthd = (stat & 0x00000fff) << 2; - u32 data = nvkm_rd32(device, 0x611024 + (chid * 12)); - u32 code = nvkm_rd32(device, 0x611028 + (chid * 12)); const struct nvkm_enum *reason = nvkm_enum_find(nv50_disp_intr_error_type, type); - nvkm_error(subdev, "chid %d stat %08x reason %d [%s] mthd %04x " - "data %08x code %08x\n", - chid, stat, type, reason ? reason->name : "", - mthd, data, code); + /*TODO: Suspect 33->41 are for WRBK channel exceptions, but we + * don't support those currently. + * + * CORE+WIN CHIDs map directly to the FE_EXCEPT() slots. + */ + if (chid <= 32) { + u32 data = nvkm_rd32(device, 0x611024 + (chid * 12)); + u32 code = nvkm_rd32(device, 0x611028 + (chid * 12)); + nvkm_error(subdev, "chid %d stat %08x reason %d [%s] " + "mthd %04x data %08x code %08x\n", + chid, stat, type, reason ? reason->name : "", + mthd, data, code); + } else { + nvkm_error(subdev, "chid %d stat %08x reason %d [%s] " + "mthd %04x\n", + chid, stat, type, reason ? reason->name : "", mthd); + } if (chid < ARRAY_SIZE(disp->chan) && disp->chan[chid]) { switch (mthd) { |