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authorAlexandre Courbot <acourbot@nvidia.com>2016-03-01 16:51:58 +0900
committerBen Skeggs <bskeggs@redhat.com>2016-03-14 10:13:31 +1000
commita2e435a1b0a3c2bc766d40356151610cc54b8772 (patch)
tree35b0ac667f8e8570ecbf8940f39a642454efdd2e /drivers/gpu
parentc694ecad9dc4b2b367e33387c4407532b706dab7 (diff)
downloadblackbird-op-linux-a2e435a1b0a3c2bc766d40356151610cc54b8772.tar.gz
blackbird-op-linux-a2e435a1b0a3c2bc766d40356151610cc54b8772.zip
drm/nouveau/fifo/gk104: take runlist target into account
Bits 28:29 of RUNLIST_BASE specify the memory target of the runlist. Set it to 0x3 (SYS_MEM_NONCOHERENT) if the runlist object resides in system memory. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
index d6a88cf67416..cd0f08a2f811 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
@@ -55,6 +55,7 @@ gk104_fifo_runlist_commit(struct gk104_fifo *fifo, u32 engine)
struct nvkm_device *device = subdev->device;
struct nvkm_memory *cur;
int nr = 0;
+ int target;
mutex_lock(&subdev->mutex);
cur = engn->runlist[engn->cur_runlist];
@@ -68,7 +69,10 @@ gk104_fifo_runlist_commit(struct gk104_fifo *fifo, u32 engine)
}
nvkm_done(cur);
- nvkm_wr32(device, 0x002270, nvkm_memory_addr(cur) >> 12);
+ target = (nvkm_memory_target(cur) == NVKM_MEM_TARGET_HOST) ? 0x3 : 0x0;
+
+ nvkm_wr32(device, 0x002270, (nvkm_memory_addr(cur) >> 12) |
+ (target << 28));
nvkm_wr32(device, 0x002274, (engine << 20) | nr);
if (wait_event_timeout(engn->wait, !(nvkm_rd32(device, 0x002284 +
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