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| author | Ben Skeggs | 2018-05-08 12:39:46 +0200 |
|---|---|---|
| committer | Ben Skeggs | 2018-05-18 07:01:21 +0200 |
| commit | eb47db4f3bb58b0143a911b29417e89f28e1b0c8 (patch) | |
| tree | ce2ffc0d618234a346c3fb687a3191fedcdc6357 /drivers/gpu/drm/nouveau/nvkm/engine/fifo | |
| parent | drm/nouveau/device: support querying available engines of a specific type (diff) | |
| download | kernel-qcow2-linux-eb47db4f3bb58b0143a911b29417e89f28e1b0c8.tar.gz kernel-qcow2-linux-eb47db4f3bb58b0143a911b29417e89f28e1b0c8.tar.xz kernel-qcow2-linux-eb47db4f3bb58b0143a911b29417e89f28e1b0c8.zip | |
drm/nouveau/fifo: support channel count query
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c index 64f6b7654a08..49b37a8a94b7 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c @@ -30,6 +30,7 @@ #include <subdev/mc.h> #include <nvif/event.h> +#include <nvif/cl0080.h> #include <nvif/unpack.h> void @@ -271,6 +272,18 @@ nvkm_fifo_fini(struct nvkm_engine *engine, bool suspend) } static int +nvkm_fifo_info(struct nvkm_engine *engine, u64 mthd, u64 *data) +{ + struct nvkm_fifo *fifo = nvkm_fifo(engine); + switch (mthd) { + case NV_DEVICE_FIFO_CHANNELS: *data = fifo->nr; return 0; + default: + break; + } + return -ENOSYS; +} + +static int nvkm_fifo_oneinit(struct nvkm_engine *engine) { struct nvkm_fifo *fifo = nvkm_fifo(engine); @@ -311,6 +324,7 @@ nvkm_fifo = { .dtor = nvkm_fifo_dtor, .preinit = nvkm_fifo_preinit, .oneinit = nvkm_fifo_oneinit, + .info = nvkm_fifo_info, .init = nvkm_fifo_init, .fini = nvkm_fifo_fini, .intr = nvkm_fifo_intr, |