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drm/nouveau/fifo/nv40: no ctxsw for pre-nv44 mpeg engine

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin 2017-04-03 22:46:14 -04:00 committed by Ben Skeggs
parent 99a97a8ba9
commit eef4988ab4
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c
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@ -44,6 +44,8 @@ nv40_fifo_dma_engine(struct nvkm_engine *engine, u32 *reg, u32 *ctx)
*ctx = 0x38;
return true;
case NVKM_ENGINE_MPEG:
if (engine->subdev.device->chipset < 0x44)
return false;
*reg = 0x00330c;
*ctx = 0x54;
return true;