From b38a2322df62dbcd423d3e329f401eb14c1f0e4a Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 11 Aug 2014 14:38:10 +1000 Subject: [PATCH] drm/nv50-/disp: add support for completion events Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/core/engine/disp/gm107.c | 4 + .../gpu/drm/nouveau/core/engine/disp/nv50.c | 89 ++++++++++++++++++- .../gpu/drm/nouveau/core/engine/disp/nv50.h | 9 ++ .../gpu/drm/nouveau/core/engine/disp/nv84.c | 4 + .../gpu/drm/nouveau/core/engine/disp/nv94.c | 4 + .../gpu/drm/nouveau/core/engine/disp/nva0.c | 4 + .../gpu/drm/nouveau/core/engine/disp/nva3.c | 4 + .../gpu/drm/nouveau/core/engine/disp/nvd0.c | 49 ++++++++-- .../gpu/drm/nouveau/core/engine/disp/nve0.c | 4 + .../gpu/drm/nouveau/core/engine/disp/nvf0.c | 4 + drivers/gpu/drm/nouveau/nvif/class.h | 9 ++ 11 files changed, 173 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/gm107.c b/drivers/gpu/drm/nouveau/core/engine/disp/gm107.c index d54da8b5f87e..c8e4e60b86f1 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/gm107.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/gm107.c @@ -68,6 +68,10 @@ gm107_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + ret = nvkm_event_init(&nvd0_disp_chan_uevent, 1, 17, &priv->uevent); + if (ret) + return ret; + nv_engine(priv)->sclass = gm107_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nvd0_disp_intr; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 4b5bb5d58a54..86fda5d51ed4 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -82,6 +83,71 @@ nv50_disp_chan_destroy(struct nv50_disp_chan *chan) nouveau_namedb_destroy(&chan->base); } +static void +nv50_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index) +{ + struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent); + nv_mask(priv, 0x610028, 0x00000001 << index, 0x00000000 << index); +} + +static void +nv50_disp_chan_uevent_init(struct nvkm_event *event, int types, int index) +{ + struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent); + nv_mask(priv, 0x610028, 0x00000001 << index, 0x00000001 << index); +} + +void +nv50_disp_chan_uevent_send(struct nv50_disp_priv *priv, int chid) +{ + struct nvif_notify_uevent_rep { + } rep; + + nvkm_event_send(&priv->uevent, 1, chid, &rep, sizeof(rep)); +} + +int +nv50_disp_chan_uevent_ctor(struct nouveau_object *object, void *data, u32 size, + struct nvkm_notify *notify) +{ + struct nv50_disp_dmac *dmac = (void *)object; + union { + struct nvif_notify_uevent_req none; + } *args = data; + int ret; + + if (nvif_unvers(args->none)) { + notify->size = sizeof(struct nvif_notify_uevent_rep); + notify->types = 1; + notify->index = dmac->base.chid; + return 0; + } + + return ret; +} + +const struct nvkm_event_func +nv50_disp_chan_uevent = { + .ctor = nv50_disp_chan_uevent_ctor, + .init = nv50_disp_chan_uevent_init, + .fini = nv50_disp_chan_uevent_fini, +}; + +int +nv50_disp_chan_ntfy(struct nouveau_object *object, u32 type, + struct nvkm_event **pevent) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + switch (type) { + case NV50_DISP_CORE_CHANNEL_DMA_V0_NTFY_UEVENT: + *pevent = &priv->uevent; + return 0; + default: + break; + } + return -EINVAL; +} + int nv50_disp_chan_map(struct nouveau_object *object, u64 *addr, u32 *size) { @@ -195,7 +261,7 @@ nv50_disp_dmac_init(struct nouveau_object *object) return ret; /* enable error reporting */ - nv_mask(priv, 0x610028, 0x00010001 << chid, 0x00010001 << chid); + nv_mask(priv, 0x610028, 0x00010000 << chid, 0x00010000 << chid); /* initialise channel for dma command submission */ nv_wr32(priv, 0x610204 + (chid * 0x0010), dmac->push); @@ -232,7 +298,7 @@ nv50_disp_dmac_fini(struct nouveau_object *object, bool suspend) return -EBUSY; } - /* disable error reporting */ + /* disable error reporting and completion notifications */ nv_mask(priv, 0x610028, 0x00010001 << chid, 0x00000000 << chid); return nv50_disp_chan_fini(&dmac->base, suspend); @@ -454,7 +520,7 @@ nv50_disp_mast_init(struct nouveau_object *object) return ret; /* enable error reporting */ - nv_mask(priv, 0x610028, 0x00010001, 0x00010001); + nv_mask(priv, 0x610028, 0x00010000, 0x00010000); /* attempt to unstick channel from some unknown state */ if ((nv_rd32(priv, 0x610200) & 0x009f0000) == 0x00020000) @@ -494,7 +560,7 @@ nv50_disp_mast_fini(struct nouveau_object *object, bool suspend) return -EBUSY; } - /* disable error reporting */ + /* disable error reporting and completion notifications */ nv_mask(priv, 0x610028, 0x00010001, 0x00000000); return nv50_disp_chan_fini(&mast->base, suspend); @@ -507,6 +573,7 @@ nv50_disp_mast_ofuncs = { .base.init = nv50_disp_mast_init, .base.fini = nv50_disp_mast_fini, .base.map = nv50_disp_chan_map, + .base.ntfy = nv50_disp_chan_ntfy, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, .chid = 0, @@ -607,6 +674,7 @@ nv50_disp_sync_ofuncs = { .base.dtor = nv50_disp_dmac_dtor, .base.init = nv50_disp_dmac_init, .base.fini = nv50_disp_dmac_fini, + .base.ntfy = nv50_disp_chan_ntfy, .base.map = nv50_disp_chan_map, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, @@ -696,6 +764,7 @@ nv50_disp_ovly_ofuncs = { .base.dtor = nv50_disp_dmac_dtor, .base.init = nv50_disp_dmac_init, .base.fini = nv50_disp_dmac_fini, + .base.ntfy = nv50_disp_chan_ntfy, .base.map = nv50_disp_chan_map, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, @@ -813,6 +882,7 @@ nv50_disp_oimm_ofuncs = { .base.dtor = nv50_disp_pioc_dtor, .base.init = nv50_disp_pioc_init, .base.fini = nv50_disp_pioc_fini, + .base.ntfy = nv50_disp_chan_ntfy, .base.map = nv50_disp_chan_map, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, @@ -860,6 +930,7 @@ nv50_disp_curs_ofuncs = { .base.dtor = nv50_disp_pioc_dtor, .base.init = nv50_disp_pioc_init, .base.fini = nv50_disp_pioc_fini, + .base.ntfy = nv50_disp_chan_ntfy, .base.map = nv50_disp_chan_map, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, @@ -1846,6 +1917,12 @@ nv50_disp_intr(struct nouveau_subdev *subdev) intr0 &= ~(0x00010000 << chid); } + while (intr0 & 0x0000001f) { + u32 chid = __ffs(intr0 & 0x0000001f); + nv50_disp_chan_uevent_send(priv, chid); + intr0 &= ~(0x00000001 << chid); + } + if (intr1 & 0x00000004) { nouveau_disp_vblank(&priv->base, 0); nv_wr32(priv, 0x610024, 0x00000004); @@ -1880,6 +1957,10 @@ nv50_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + ret = nvkm_event_init(&nv50_disp_chan_uevent, 1, 9, &priv->uevent); + if (ret) + return ret; + nv_engine(priv)->sclass = nv50_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h index 8ab14461f70c..a288a7f454aa 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h @@ -26,6 +26,8 @@ struct nv50_disp_priv { struct work_struct supervisor; u32 super; + struct nvkm_event uevent; + struct { int nr; } head; @@ -116,9 +118,16 @@ struct nv50_disp_chan { int chid; }; +int nv50_disp_chan_ntfy(struct nouveau_object *, u32, struct nvkm_event **); int nv50_disp_chan_map(struct nouveau_object *, u64 *, u32 *); u32 nv50_disp_chan_rd32(struct nouveau_object *, u64); void nv50_disp_chan_wr32(struct nouveau_object *, u64, u32); +extern const struct nvkm_event_func nv50_disp_chan_uevent; +int nv50_disp_chan_uevent_ctor(struct nouveau_object *, void *, u32, + struct nvkm_notify *); +void nv50_disp_chan_uevent_send(struct nv50_disp_priv *, int); + +extern const struct nvkm_event_func nvd0_disp_chan_uevent; #define nv50_disp_chan_init(a) \ nouveau_namedb_init(&(a)->base) diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c index 788ced1b6182..d36284715b2a 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c @@ -236,6 +236,10 @@ nv84_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + ret = nvkm_event_init(&nv50_disp_chan_uevent, 1, 9, &priv->uevent); + if (ret) + return ret; + nv_engine(priv)->sclass = nv84_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c index fa79de906eae..a117064002b1 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c @@ -95,6 +95,10 @@ nv94_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + ret = nvkm_event_init(&nv50_disp_chan_uevent, 1, 9, &priv->uevent); + if (ret) + return ret; + nv_engine(priv)->sclass = nv94_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c index 7af15f5d48dc..c67e68aadd45 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c @@ -112,6 +112,10 @@ nva0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + ret = nvkm_event_init(&nv50_disp_chan_uevent, 1, 9, &priv->uevent); + if (ret) + return ret; + nv_engine(priv)->sclass = nva0_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c index 6bd39448f8da..22969f355aae 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c @@ -67,6 +67,10 @@ nva3_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + ret = nvkm_event_init(&nv50_disp_chan_uevent, 1, 9, &priv->uevent); + if (ret) + return ret; + nv_engine(priv)->sclass = nva3_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c index a4bb3c774ee1..a571c4fd6d53 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -42,6 +42,31 @@ #include "nv50.h" +/******************************************************************************* + * EVO channel base class + ******************************************************************************/ + +static void +nvd0_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index) +{ + struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent); + nv_mask(priv, 0x610090, 0x00000001 << index, 0x00000000 << index); +} + +static void +nvd0_disp_chan_uevent_init(struct nvkm_event *event, int types, int index) +{ + struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent); + nv_mask(priv, 0x610090, 0x00000001 << index, 0x00000001 << index); +} + +const struct nvkm_event_func +nvd0_disp_chan_uevent = { + .ctor = nv50_disp_chan_uevent_ctor, + .init = nvd0_disp_chan_uevent_init, + .fini = nvd0_disp_chan_uevent_fini, +}; + /******************************************************************************* * EVO DMA channel base class ******************************************************************************/ @@ -77,7 +102,6 @@ nvd0_disp_dmac_init(struct nouveau_object *object) return ret; /* enable error reporting */ - nv_mask(priv, 0x610090, 0x00000001 << chid, 0x00000001 << chid); nv_mask(priv, 0x6100a0, 0x00000001 << chid, 0x00000001 << chid); /* initialise channel for dma command submission */ @@ -115,7 +139,7 @@ nvd0_disp_dmac_fini(struct nouveau_object *object, bool suspend) return -EBUSY; } - /* disable error reporting */ + /* disable error reporting and completion notification */ nv_mask(priv, 0x610090, 0x00000001 << chid, 0x00000000); nv_mask(priv, 0x6100a0, 0x00000001 << chid, 0x00000000); @@ -278,7 +302,6 @@ nvd0_disp_mast_init(struct nouveau_object *object) return ret; /* enable error reporting */ - nv_mask(priv, 0x610090, 0x00000001, 0x00000001); nv_mask(priv, 0x6100a0, 0x00000001, 0x00000001); /* initialise channel for dma command submission */ @@ -313,7 +336,7 @@ nvd0_disp_mast_fini(struct nouveau_object *object, bool suspend) return -EBUSY; } - /* disable error reporting */ + /* disable error reporting and completion notification */ nv_mask(priv, 0x610090, 0x00000001, 0x00000000); nv_mask(priv, 0x6100a0, 0x00000001, 0x00000000); @@ -326,6 +349,7 @@ nvd0_disp_mast_ofuncs = { .base.dtor = nv50_disp_dmac_dtor, .base.init = nvd0_disp_mast_init, .base.fini = nvd0_disp_mast_fini, + .base.ntfy = nv50_disp_chan_ntfy, .base.map = nv50_disp_chan_map, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, @@ -419,6 +443,7 @@ nvd0_disp_sync_ofuncs = { .base.dtor = nv50_disp_dmac_dtor, .base.init = nvd0_disp_dmac_init, .base.fini = nvd0_disp_dmac_fini, + .base.ntfy = nv50_disp_chan_ntfy, .base.map = nv50_disp_chan_map, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, @@ -499,6 +524,7 @@ nvd0_disp_ovly_ofuncs = { .base.dtor = nv50_disp_dmac_dtor, .base.init = nvd0_disp_dmac_init, .base.fini = nvd0_disp_dmac_fini, + .base.ntfy = nv50_disp_chan_ntfy, .base.map = nv50_disp_chan_map, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, @@ -524,7 +550,6 @@ nvd0_disp_pioc_init(struct nouveau_object *object) return ret; /* enable error reporting */ - nv_mask(priv, 0x610090, 0x00000001 << chid, 0x00000001 << chid); nv_mask(priv, 0x6100a0, 0x00000001 << chid, 0x00000001 << chid); /* activate channel */ @@ -553,7 +578,7 @@ nvd0_disp_pioc_fini(struct nouveau_object *object, bool suspend) return -EBUSY; } - /* disable error reporting */ + /* disable error reporting and completion notification */ nv_mask(priv, 0x610090, 0x00000001 << chid, 0x00000000); nv_mask(priv, 0x6100a0, 0x00000001 << chid, 0x00000000); @@ -570,6 +595,7 @@ nvd0_disp_oimm_ofuncs = { .base.dtor = nv50_disp_pioc_dtor, .base.init = nvd0_disp_pioc_init, .base.fini = nvd0_disp_pioc_fini, + .base.ntfy = nv50_disp_chan_ntfy, .base.map = nv50_disp_chan_map, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, @@ -586,6 +612,7 @@ nvd0_disp_curs_ofuncs = { .base.dtor = nv50_disp_pioc_dtor, .base.init = nvd0_disp_pioc_init, .base.fini = nvd0_disp_pioc_fini, + .base.ntfy = nv50_disp_chan_ntfy, .base.map = nv50_disp_chan_map, .base.rd32 = nv50_disp_chan_rd32, .base.wr32 = nv50_disp_chan_wr32, @@ -1153,7 +1180,11 @@ nvd0_disp_intr(struct nouveau_subdev *subdev) if (intr & 0x00000001) { u32 stat = nv_rd32(priv, 0x61008c); - nv_wr32(priv, 0x61008c, stat); + while (stat) { + int chid = __ffs(stat); stat &= ~(1 << chid); + nv50_disp_chan_uevent_send(priv, chid); + nv_wr32(priv, 0x61008c, 1 << chid); + } intr &= ~0x00000001; } @@ -1209,6 +1240,10 @@ nvd0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + ret = nvkm_event_init(&nvd0_disp_chan_uevent, 1, 17, &priv->uevent); + if (ret) + return ret; + nv_engine(priv)->sclass = nvd0_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nvd0_disp_intr; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c index 47fef1e398c4..3ed47e187f89 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c @@ -233,6 +233,10 @@ nve0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + ret = nvkm_event_init(&nvd0_disp_chan_uevent, 1, 17, &priv->uevent); + if (ret) + return ret; + nv_engine(priv)->sclass = nve0_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nvd0_disp_intr; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvf0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvf0.c index 04bda4ac4ed3..07f337695007 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvf0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvf0.c @@ -68,6 +68,10 @@ nvf0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + ret = nvkm_event_init(&nvd0_disp_chan_uevent, 1, 17, &priv->uevent); + if (ret) + return ret; + nv_engine(priv)->sclass = nvf0_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nvd0_disp_intr; diff --git a/drivers/gpu/drm/nouveau/nvif/class.h b/drivers/gpu/drm/nouveau/nvif/class.h index 573491f84792..e5a27df0672b 100644 --- a/drivers/gpu/drm/nouveau/nvif/class.h +++ b/drivers/gpu/drm/nouveau/nvif/class.h @@ -479,6 +479,8 @@ struct nv50_disp_core_channel_dma_v0 { __u32 pushbuf; }; +#define NV50_DISP_CORE_CHANNEL_DMA_V0_NTFY_UEVENT 0x00 + /* cursor immediate */ struct nv50_disp_cursor_v0 { __u8 version; @@ -486,6 +488,8 @@ struct nv50_disp_cursor_v0 { __u8 pad02[6]; }; +#define NV50_DISP_CURSOR_V0_NTFY_UEVENT 0x00 + /* base */ struct nv50_disp_base_channel_dma_v0 { __u8 version; @@ -494,6 +498,8 @@ struct nv50_disp_base_channel_dma_v0 { __u32 pushbuf; }; +#define NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT 0x00 + /* overlay */ struct nv50_disp_overlay_channel_dma_v0 { __u8 version; @@ -502,6 +508,8 @@ struct nv50_disp_overlay_channel_dma_v0 { __u32 pushbuf; }; +#define NV50_DISP_OVERLAY_CHANNEL_DMA_V0_NTFY_UEVENT 0x00 + /* overlay immediate */ struct nv50_disp_overlay_v0 { __u8 version; @@ -509,6 +517,7 @@ struct nv50_disp_overlay_v0 { __u8 pad02[6]; }; +#define NV50_DISP_OVERLAY_V0_NTFY_UEVENT 0x00 /******************************************************************************* * fermi -- 2.20.1