diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/disp/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nv50.c | 129 |
1 files changed, 111 insertions, 18 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index f8cbb512132f..2df3a937037d 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 <core/enum.h> #include <nvif/unpack.h> #include <nvif/class.h> +#include <nvif/event.h> #include <subdev/bios.h> #include <subdev/bios/dcb.h> @@ -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, @@ -1559,7 +1630,7 @@ nv50_disp_intr_unk20_1(struct nv50_disp_priv *priv, int head) } static void -nv50_disp_intr_unk20_2_dp(struct nv50_disp_priv *priv, +nv50_disp_intr_unk20_2_dp(struct nv50_disp_priv *priv, int head, struct dcb_output *outp, u32 pclk) { const int link = !(outp->sorconf.link & 1); @@ -1568,24 +1639,36 @@ nv50_disp_intr_unk20_2_dp(struct nv50_disp_priv *priv, const u32 loff = (link * 0x080) + soff; const u32 ctrl = nv_rd32(priv, 0x610794 + (or * 8)); const u32 symbol = 100000; - u32 dpctrl = nv_rd32(priv, 0x61c10c + loff) & 0x0000f0000; + const s32 vactive = nv_rd32(priv, 0x610af8 + (head * 0x540)) & 0xffff; + const s32 vblanke = nv_rd32(priv, 0x610ae8 + (head * 0x540)) & 0xffff; + const s32 vblanks = nv_rd32(priv, 0x610af0 + (head * 0x540)) & 0xffff; + u32 dpctrl = nv_rd32(priv, 0x61c10c + loff); u32 clksor = nv_rd32(priv, 0x614300 + soff); int bestTU = 0, bestVTUi = 0, bestVTUf = 0, bestVTUa = 0; int TU, VTUi, VTUf, VTUa; u64 link_data_rate, link_ratio, unk; u32 best_diff = 64 * symbol; u32 link_nr, link_bw, bits; - - /* calculate packed data rate for each lane */ - if (dpctrl > 0x00030000) link_nr = 4; - else if (dpctrl > 0x00010000) link_nr = 2; - else link_nr = 1; - - if (clksor & 0x000c0000) - link_bw = 270000; - else - link_bw = 162000; - + u64 value; + + link_bw = (clksor & 0x000c0000) ? 270000 : 162000; + link_nr = hweight32(dpctrl & 0x000f0000); + + /* symbols/hblank - algorithm taken from comments in tegra driver */ + value = vblanke + vactive - vblanks - 7; + value = value * link_bw; + do_div(value, pclk); + value = value - (3 * !!(dpctrl & 0x00004000)) - (12 / link_nr); + nv_mask(priv, 0x61c1e8 + soff, 0x0000ffff, value); + + /* symbols/vblank - algorithm taken from comments in tegra driver */ + value = vblanks - vblanke - 25; + value = value * link_bw; + do_div(value, pclk); + value = value - ((36 / link_nr) + 3) - 1; + nv_mask(priv, 0x61c1ec + soff, 0x00ffffff, value); + + /* watermark / activesym */ if ((ctrl & 0xf0000) == 0x60000) bits = 30; else if ((ctrl & 0xf0000) == 0x50000) bits = 24; else bits = 18; @@ -1731,7 +1814,7 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head) } else if (!outp->info.location) { if (outp->info.type == DCB_OUTPUT_DP) - nv50_disp_intr_unk20_2_dp(priv, &outp->info, pclk); + nv50_disp_intr_unk20_2_dp(priv, head, &outp->info, pclk); oreg = 0x614300 + (ffs(outp->info.or) - 1) * 0x800; oval = (conf & 0x0100) ? 0x00000101 : 0x00000000; hval = 0x00000000; @@ -1847,6 +1930,12 @@ 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); @@ -1881,6 +1970,10 @@ 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; |