From e93e198d468f6ae41cf62265f389da2925fe16bb Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 8 Apr 2016 17:24:40 +1000 Subject: [PATCH] drm/nouveau/fifo/gk104-: use device info from top subdev Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/nvkm/engine/fifo/gk104.c | 89 ++++--------------- 1 file changed, 16 insertions(+), 73 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c index 68acb36b3e6d..fcb9a7593dbf 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include @@ -665,7 +666,9 @@ gk104_fifo_oneinit(struct nvkm_fifo *base) struct gk104_fifo *fifo = gk104_fifo(base); struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; - int ret, i; + struct nvkm_top *top = device->top; + int engn, runl, pbid, ret, i, j; + enum nvkm_devidx engidx; u32 *map; /* Determine number of PBDMAs by checking valid enable bits. */ @@ -680,86 +683,26 @@ gk104_fifo_oneinit(struct nvkm_fifo *base) for (i = 0; i < fifo->pbdma_nr; i++) map[i] = nvkm_rd32(device, 0x002390 + (i * 0x04)); - /* Read device topology from HW. */ - for (i = 0; i < 64; i++) { - int type = -1, pbid = -1, engidx = -1; - int engn = -1, runl = -1, intr = -1, mcen = -1; - int fault = -1, j; - u32 data, addr = 0; - - do { - data = nvkm_rd32(device, 0x022700 + (i * 0x04)); - nvkm_trace(subdev, "%02x: %08x\n", i, data); - switch (data & 0x00000003) { - case 0x00000000: /* NOT_VALID */ - continue; - case 0x00000001: /* DATA */ - addr = (data & 0x00fff000); - fault = (data & 0x000000f8) >> 3; - break; - case 0x00000002: /* ENUM */ - if (data & 0x00000020) - engn = (data & 0x3c000000) >> 26; - if (data & 0x00000010) - runl = (data & 0x01e00000) >> 21; - if (data & 0x00000008) - intr = (data & 0x000f8000) >> 15; - if (data & 0x00000004) - mcen = (data & 0x00003e00) >> 9; - break; - case 0x00000003: /* ENGINE_TYPE */ - type = (data & 0x7ffffffc) >> 2; - break; - } - } while ((data & 0x80000000) && ++i < 64); - - if (!data) - continue; - + /* Determine runlist configuration from topology device info. */ + i = 0; + while ((int)(engidx = nvkm_top_engine(top, i++, &runl, &engn)) >= 0) { /* Determine which PBDMA handles requests for this engine. */ - for (j = 0; runl >= 0 && j < fifo->pbdma_nr; j++) { + for (j = 0, pbid = -1; j < fifo->pbdma_nr; j++) { if (map[j] & (1 << runl)) { pbid = j; break; } } - /* Translate engine type to NVKM engine identifier. */ - switch (type) { - case 0x00000000: engidx = NVKM_ENGINE_GR; break; - case 0x00000001: engidx = NVKM_ENGINE_CE0; break; - case 0x00000002: engidx = NVKM_ENGINE_CE1; break; - case 0x00000003: engidx = NVKM_ENGINE_CE2; break; - case 0x00000008: engidx = NVKM_ENGINE_MSPDEC; break; - case 0x00000009: engidx = NVKM_ENGINE_MSPPP; break; - case 0x0000000a: engidx = NVKM_ENGINE_MSVLD; break; - case 0x0000000b: engidx = NVKM_ENGINE_MSENC; break; - case 0x0000000c: engidx = NVKM_ENGINE_VIC; break; - case 0x0000000d: engidx = NVKM_ENGINE_SEC; break; - case 0x0000000e: engidx = NVKM_ENGINE_NVENC0; break; - case 0x0000000f: engidx = NVKM_ENGINE_NVENC1; break; - case 0x00000010: engidx = NVKM_ENGINE_NVDEC; break; - break; - default: - break; - } + nvkm_debug(subdev, "engine %2d: runlist %2d pbdma %2d\n", + engn, runl, pbid); - nvkm_debug(subdev, "%02x (%8s): engine %2d runlist %2d " - "pbdma %2d intr %2d reset %2d " - "fault %2d addr %06x\n", type, - engidx < 0 ? NULL : nvkm_subdev_name[engidx], - engn, runl, pbid, intr, mcen, fault, addr); - - /* Mark the engine as supported if everything checks out. */ - if (engn >= 0 && runl >= 0) { - fifo->engine[engn].engine = engidx < 0 ? NULL : - nvkm_device_engine(device, engidx); - fifo->engine[engn].runl = runl; - fifo->engine[engn].pbid = pbid; - fifo->engine_nr = max(fifo->engine_nr, engn + 1); - fifo->runlist[runl].engm |= 1 << engn; - fifo->runlist_nr = max(fifo->runlist_nr, runl + 1); - } + fifo->engine[engn].engine = nvkm_device_engine(device, engidx); + fifo->engine[engn].runl = runl; + fifo->engine[engn].pbid = pbid; + fifo->engine_nr = max(fifo->engine_nr, engn + 1); + fifo->runlist[runl].engm |= 1 << engn; + fifo->runlist_nr = max(fifo->runlist_nr, runl + 1); } kfree(map); -- 2.20.1