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path: root/drivers/gpu/drm/nouveau/nouveau_chan.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_chan.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_chan.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index f9b3c811187e..dbc41fa86ee8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -45,10 +45,20 @@ 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)
{
- if (likely(chan && chan->fence)) {
+ if (likely(chan && chan->fence && !atomic_read(&chan->killed))) {
struct nouveau_cli *cli = (void *)chan->user.client;
struct nouveau_fence *fence = NULL;
int ret;
@@ -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);
@@ -107,13 +118,14 @@ 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;
if (nouveau_vram_pushbuf)
target = TTM_PL_FLAG_VRAM;
- ret = nouveau_bo_new(drm->dev, size, 0, target, 0, 0, NULL, NULL,
+ ret = nouveau_bo_new(cli, size, 0, target, 0, 0, NULL, NULL,
&chan->push.buffer);
if (ret == 0) {
ret = nouveau_bo_pin(chan->push.buffer, target, false);
@@ -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) {