diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2018-12-11 07:50:02 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2018-12-11 08:37:47 +0300 |
| commit | 302daab1a7b1206d33a9191d5b42ce606ed46e21 (patch) | |
| tree | 2c3e1bd9ddf54c03e5302c0f52529540bfe41bce /drivers/gpu/drm | |
| parent | 03da9faae1562746e85f1a5e94e4c50a3b85b6b5 (diff) | |
| download | linux-302daab1a7b1206d33a9191d5b42ce606ed46e21.tar.xz | |
drm/nouveau/fifo/gf100-: call into BAR to reset BARs after MMU fault
This is needed for Turing, but we're supposed to wait for completion after
re-writing the value on older GPUs anyway.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c | 20 |
4 files changed, 26 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h index f6bd94c7e0f7..18dd10aaf857 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h @@ -16,8 +16,10 @@ struct nvkm_bar { }; struct nvkm_vmm *nvkm_bar_bar1_vmm(struct nvkm_device *); +void nvkm_bar_bar1_reset(struct nvkm_device *); void nvkm_bar_bar2_init(struct nvkm_device *); void nvkm_bar_bar2_fini(struct nvkm_device *); +void nvkm_bar_bar2_reset(struct nvkm_device *); struct nvkm_vmm *nvkm_bar_bar2_vmm(struct nvkm_device *); void nvkm_bar_flush(struct nvkm_bar *); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c index f69576868164..10a2e7039a75 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c @@ -346,10 +346,10 @@ gf100_fifo_intr_fault(struct gf100_fifo *fifo, int unit) if (eu && eu->data2) { switch (eu->data2) { case NVKM_SUBDEV_BAR: - nvkm_mask(device, 0x001704, 0x00000000, 0x00000000); + nvkm_bar_bar1_reset(device); break; case NVKM_SUBDEV_INSTMEM: - nvkm_mask(device, 0x001714, 0x00000000, 0x00000000); + nvkm_bar_bar2_reset(device); break; case NVKM_ENGINE_IFB: nvkm_mask(device, 0x001718, 0x00000000, 0x00000000); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c index afccf9721cf0..cd917035d96c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c @@ -456,10 +456,10 @@ gk104_fifo_fault(struct nvkm_fifo *base, struct nvkm_fault_data *info) if (ee && ee->data2) { switch (ee->data2) { case NVKM_SUBDEV_BAR: - nvkm_mask(device, 0x001704, 0x00000000, 0x00000000); + nvkm_bar_bar1_reset(device); break; case NVKM_SUBDEV_INSTMEM: - nvkm_mask(device, 0x001714, 0x00000000, 0x00000000); + nvkm_bar_bar2_reset(device); break; case NVKM_ENGINE_IFB: nvkm_mask(device, 0x001718, 0x00000000, 0x00000000); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c index 243f0a5c8a62..209a6a40834a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c @@ -36,6 +36,16 @@ nvkm_bar_bar1_vmm(struct nvkm_device *device) return device->bar->func->bar1.vmm(device->bar); } +void +nvkm_bar_bar1_reset(struct nvkm_device *device) +{ + struct nvkm_bar *bar = device->bar; + if (bar) { + bar->func->bar1.init(bar); + bar->func->bar1.wait(bar); + } +} + struct nvkm_vmm * nvkm_bar_bar2_vmm(struct nvkm_device *device) { @@ -49,6 +59,16 @@ nvkm_bar_bar2_vmm(struct nvkm_device *device) } void +nvkm_bar_bar2_reset(struct nvkm_device *device) +{ + struct nvkm_bar *bar = device->bar; + if (bar && bar->bar2) { + bar->func->bar2.init(bar); + bar->func->bar2.wait(bar); + } +} + +void nvkm_bar_bar2_fini(struct nvkm_device *device) { struct nvkm_bar *bar = device->bar; |