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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>
This commit is contained in:
Alexandre Courbot 2016-03-01 16:51:58 +09:00 committed by Ben Skeggs
parent c694ecad9d
commit a2e435a1b0
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
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@ -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 +