diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2016-11-05 06:31:25 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-02-17 10:38:09 +0300 |
| commit | d8cc37d878d695fc2a88b4777cdfea8bca9fdcb5 (patch) | |
| tree | 127df059617ef55e364d4d5b68d2eddbc666c4f2 /drivers/gpu/drm | |
| parent | ff9f29abf0ef4c43e696bef7621884518e6bdbda (diff) | |
| download | linux-d8cc37d878d695fc2a88b4777cdfea8bca9fdcb5.tar.xz | |
drm/nouveau: request notifications for channels that have been killed
These will be used to improve error recovery behaviour.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_chan.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_chan.h | 5 |
2 files changed, 30 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c index d50c6e538bb3..3b3d071b151e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.c +++ b/drivers/gpu/drm/nouveau/nouveau_chan.c @@ -45,6 +45,16 @@ MODULE_PARM_DESC(vram_pushbuf, "Create DMA push buffers in VRAM"); int nouveau_vram_pushbuf; module_param_named(vram_pushbuf, nouveau_vram_pushbuf, int, 0400); +static int +nouveau_channel_killed(struct nvif_notify *ntfy) +{ + struct nouveau_channel *chan = container_of(ntfy, typeof(*chan), kill); + struct nouveau_cli *cli = (void *)chan->user.client; + NV_PRINTK(warn, cli, "channel %d killed!\n", chan->chid); + atomic_set(&chan->killed, 1); + return NVIF_NOTIFY_DROP; +} + int nouveau_channel_idle(struct nouveau_channel *chan) { @@ -78,6 +88,7 @@ nouveau_channel_del(struct nouveau_channel **pchan) nvif_object_fini(&chan->nvsw); nvif_object_fini(&chan->gart); nvif_object_fini(&chan->vram); + nvif_notify_fini(&chan->kill); nvif_object_fini(&chan->user); nvif_object_fini(&chan->push.ctxdma); nouveau_bo_vma_del(chan->push.buffer, &chan->push.vma); @@ -107,6 +118,7 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device, chan->device = device; chan->drm = drm; + atomic_set(&chan->killed, 0); /* allocate memory for dma push buffer */ target = TTM_PL_FLAG_TT | TTM_PL_FLAG_UNCACHED; @@ -301,12 +313,26 @@ nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart) { struct nvif_device *device = chan->device; struct nouveau_cli *cli = (void *)chan->user.client; + struct nouveau_drm *drm = chan->drm; struct nvkm_mmu *mmu = nvxx_mmu(device); struct nv_dma_v0 args = {}; int ret, i; nvif_object_map(&chan->user); + if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO) { + ret = nvif_notify_init(&chan->user, nouveau_channel_killed, + true, NV906F_V0_NTFY_KILLED, + NULL, 0, 0, &chan->kill); + if (ret == 0) + ret = nvif_notify_get(&chan->kill); + if (ret) { + NV_ERROR(drm, "Failed to request channel kill " + "notification: %d\n", ret); + return ret; + } + } + /* allocate dma objects to cover all allowed vram, and gart */ if (device->info.family < NV_DEVICE_INFO_V0_FERMI) { if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.h b/drivers/gpu/drm/nouveau/nouveau_chan.h index 48062c94f36d..46b947ba1cf4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.h +++ b/drivers/gpu/drm/nouveau/nouveau_chan.h @@ -1,7 +1,7 @@ #ifndef __NOUVEAU_CHAN_H__ #define __NOUVEAU_CHAN_H__ - #include <nvif/object.h> +#include <nvif/notify.h> struct nvif_device; struct nouveau_channel { @@ -38,6 +38,9 @@ struct nouveau_channel { u32 user_put; struct nvif_object user; + + struct nvif_notify kill; + atomic_t killed; }; |