From eef4988ab4c1a99e88e535502a67763a78d51515 Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Mon, 3 Apr 2017 22:46:14 -0400 Subject: [PATCH] drm/nouveau/fifo/nv40: no ctxsw for pre-nv44 mpeg engine Signed-off-by: Ilia Mirkin --- drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c index 0ec179fc40a1..5f722c6e8a2f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c @@ -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; -- 2.20.1