diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/gr/g84.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/g84.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/g84.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/g84.c new file mode 100644 index 000000000..ce9133005 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/g84.c @@ -0,0 +1,196 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ +#include "nv50.h" + +#include <subdev/timer.h> + +static const struct nvkm_bitfield nv50_gr_status[] = { + { 0x00000001, "BUSY" }, /* set when any bit is set */ + { 0x00000002, "DISPATCH" }, + { 0x00000004, "UNK2" }, + { 0x00000008, "UNK3" }, + { 0x00000010, "UNK4" }, + { 0x00000020, "UNK5" }, + { 0x00000040, "M2MF" }, + { 0x00000080, "UNK7" }, + { 0x00000100, "CTXPROG" }, + { 0x00000200, "VFETCH" }, + { 0x00000400, "CCACHE_PREGEOM" }, + { 0x00000800, "STRMOUT_VATTR_POSTGEOM" }, + { 0x00001000, "VCLIP" }, + { 0x00002000, "RATTR_APLANE" }, + { 0x00004000, "TRAST" }, + { 0x00008000, "CLIPID" }, + { 0x00010000, "ZCULL" }, + { 0x00020000, "ENG2D" }, + { 0x00040000, "RMASK" }, + { 0x00080000, "TPC_RAST" }, + { 0x00100000, "TPC_PROP" }, + { 0x00200000, "TPC_TEX" }, + { 0x00400000, "TPC_GEOM" }, + { 0x00800000, "TPC_MP" }, + { 0x01000000, "ROP" }, + {} +}; + +static const struct nvkm_bitfield +nv50_gr_vstatus_0[] = { + { 0x01, "VFETCH" }, + { 0x02, "CCACHE" }, + { 0x04, "PREGEOM" }, + { 0x08, "POSTGEOM" }, + { 0x10, "VATTR" }, + { 0x20, "STRMOUT" }, + { 0x40, "VCLIP" }, + {} +}; + +static const struct nvkm_bitfield +nv50_gr_vstatus_1[] = { + { 0x01, "TPC_RAST" }, + { 0x02, "TPC_PROP" }, + { 0x04, "TPC_TEX" }, + { 0x08, "TPC_GEOM" }, + { 0x10, "TPC_MP" }, + {} +}; + +static const struct nvkm_bitfield +nv50_gr_vstatus_2[] = { + { 0x01, "RATTR" }, + { 0x02, "APLANE" }, + { 0x04, "TRAST" }, + { 0x08, "CLIPID" }, + { 0x10, "ZCULL" }, + { 0x20, "ENG2D" }, + { 0x40, "RMASK" }, + { 0x80, "ROP" }, + {} +}; + +static void +nvkm_gr_vstatus_print(struct nv50_gr *gr, int r, + const struct nvkm_bitfield *units, u32 status) +{ + struct nvkm_subdev *subdev = &gr->base.engine.subdev; + u32 stat = status; + u8 mask = 0x00; + char msg[64]; + int i; + + for (i = 0; units[i].name && status; i++) { + if ((status & 7) == 1) + mask |= (1 << i); + status >>= 3; + } + + nvkm_snprintbf(msg, sizeof(msg), units, mask); + nvkm_error(subdev, "PGRAPH_VSTATUS%d: %08x [%s]\n", r, stat, msg); +} + +int +g84_gr_tlb_flush(struct nvkm_gr *base) +{ + struct nv50_gr *gr = nv50_gr(base); + struct nvkm_subdev *subdev = &gr->base.engine.subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_timer *tmr = device->timer; + bool idle, timeout = false; + unsigned long flags; + char status[128]; + u64 start; + u32 tmp; + + spin_lock_irqsave(&gr->lock, flags); + nvkm_mask(device, 0x400500, 0x00000001, 0x00000000); + + start = nvkm_timer_read(tmr); + do { + idle = true; + + for (tmp = nvkm_rd32(device, 0x400380); tmp && idle; tmp >>= 3) { + if ((tmp & 7) == 1) + idle = false; + } + + for (tmp = nvkm_rd32(device, 0x400384); tmp && idle; tmp >>= 3) { + if ((tmp & 7) == 1) + idle = false; + } + + for (tmp = nvkm_rd32(device, 0x400388); tmp && idle; tmp >>= 3) { + if ((tmp & 7) == 1) + idle = false; + } + } while (!idle && + !(timeout = nvkm_timer_read(tmr) - start > 2000000000)); + + if (timeout) { + nvkm_error(subdev, "PGRAPH TLB flush idle timeout fail\n"); + + tmp = nvkm_rd32(device, 0x400700); + nvkm_snprintbf(status, sizeof(status), nv50_gr_status, tmp); + nvkm_error(subdev, "PGRAPH_STATUS %08x [%s]\n", tmp, status); + + nvkm_gr_vstatus_print(gr, 0, nv50_gr_vstatus_0, + nvkm_rd32(device, 0x400380)); + nvkm_gr_vstatus_print(gr, 1, nv50_gr_vstatus_1, + nvkm_rd32(device, 0x400384)); + nvkm_gr_vstatus_print(gr, 2, nv50_gr_vstatus_2, + nvkm_rd32(device, 0x400388)); + } + + + nvkm_wr32(device, 0x100c80, 0x00000001); + nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x100c80) & 0x00000001)) + break; + ); + nvkm_mask(device, 0x400500, 0x00000001, 0x00000001); + spin_unlock_irqrestore(&gr->lock, flags); + return timeout ? -EBUSY : 0; +} + +static const struct nvkm_gr_func +g84_gr = { + .init = nv50_gr_init, + .intr = nv50_gr_intr, + .chan_new = nv50_gr_chan_new, + .tlb_flush = g84_gr_tlb_flush, + .units = nv50_gr_units, + .sclass = { + { -1, -1, 0x0030, &nv50_gr_object }, + { -1, -1, 0x502d, &nv50_gr_object }, + { -1, -1, 0x5039, &nv50_gr_object }, + { -1, -1, 0x50c0, &nv50_gr_object }, + { -1, -1, 0x8297, &nv50_gr_object }, + {} + } +}; + +int +g84_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr) +{ + return nv50_gr_new_(&g84_gr, device, index, pgr); +} |