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| author | Ben Skeggs <bskeggs@redhat.com> | 2021-02-09 04:06:35 +0100 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2021-02-11 02:49:57 +0100 |
| commit | 496162037cd24191e2aec659cff40e267fcc6193 (patch) | |
| tree | 55b9487b79b0bf521a7c187006dea30d9a73e54b /drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c | |
| parent | drm/nouveau/fifo: index backend engctx by engine id (diff) | |
| download | linux-496162037cd24191e2aec659cff40e267fcc6193.tar.xz linux-496162037cd24191e2aec659cff40e267fcc6193.zip | |
drm/nouveau/fifo: add id_engine hook
Will be used by common code in subsequent commits to lookup driver
engine state from HW engine ID.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c index a3e79fb0cd1a..c6730c124769 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c @@ -94,6 +94,24 @@ __releases(fifo->base.lock) spin_unlock_irqrestore(&fifo->base.lock, flags); } +struct nvkm_engine * +nv04_fifo_id_engine(struct nvkm_fifo *fifo, int engi) +{ + enum nvkm_subdev_type type; + + switch (engi) { + case NV04_FIFO_ENGN_SW : type = NVKM_ENGINE_SW; break; + case NV04_FIFO_ENGN_GR : type = NVKM_ENGINE_GR; break; + case NV04_FIFO_ENGN_MPEG: type = NVKM_ENGINE_MPEG; break; + case NV04_FIFO_ENGN_DMA : type = NVKM_ENGINE_DMAOBJ; break; + default: + WARN_ON(1); + return NULL; + } + + return nvkm_device_engine(fifo->engine.subdev.device, type, 0); +} + int nv04_fifo_engine_id(struct nvkm_fifo *base, struct nvkm_engine *engine) { @@ -364,6 +382,7 @@ nv04_fifo = { .init = nv04_fifo_init, .intr = nv04_fifo_intr, .engine_id = nv04_fifo_engine_id, + .id_engine = nv04_fifo_id_engine, .pause = nv04_fifo_pause, .start = nv04_fifo_start, .chan = { |