drm/nouveau/fifo: add new channel lookup interfaces

- supports per-runlist CHIDs
- channel group lock held across reference, rather than global lock

v2:
- remove unnecessary parenthesis

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/cipher/g84.c b/drivers/gpu/drm/nouveau/nvkm/engine/cipher/g84.c
index be2a7181dc15..caca4f639895 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/cipher/g84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/cipher/g84.c
@@ -81,8 +81,7 @@ g84_cipher_intr(struct nvkm_engine *cipher)
 {
 	struct nvkm_subdev *subdev = &cipher->subdev;
 	struct nvkm_device *device = subdev->device;
-	struct nvkm_fifo *fifo = device->fifo;
-	struct nvkm_fifo_chan *chan;
+	struct nvkm_chan *chan;
 	u32 stat = nvkm_rd32(device, 0x102130);
 	u32 mthd = nvkm_rd32(device, 0x102190);
 	u32 data = nvkm_rd32(device, 0x102194);
@@ -90,16 +89,16 @@ g84_cipher_intr(struct nvkm_engine *cipher)
 	unsigned long flags;
 	char msg[128];
 
-	chan = nvkm_fifo_chan_inst(fifo, (u64)inst << 12, &flags);
+	chan = nvkm_chan_get_inst(cipher, (u64)inst << 12, &flags);
 	if (stat) {
 		nvkm_snprintbf(msg, sizeof(msg), g84_cipher_intr_mask, stat);
 		nvkm_error(subdev,  "%08x [%s] ch %d [%010llx %s] "
 				    "mthd %04x data %08x\n", stat, msg,
-			   chan ? chan->chid : -1, (u64)inst << 12,
-			   chan ? chan->object.client->name : "unknown",
+			   chan ? chan->id : -1, (u64)inst << 12,
+			   chan ? chan->name : "unknown",
 			   mthd, data);
 	}
-	nvkm_fifo_chan_put(fifo, flags, &chan);
+	nvkm_chan_put(&chan, flags);
 
 	nvkm_wr32(device, 0x102130, stat);
 	nvkm_wr32(device, 0x10200c, 0x10);