diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 04:10:29 +1000 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 05:28:14 +1000 |
commit | 694c6caf92615828dbfd3fc30e937c8f54d2ac93 (patch) | |
tree | ae85bc8db4563a2ec07865b021700a36a3f438b7 /drivers/gpu | |
parent | ac9738bb3e5374495908ad236285f69cfd405f8e (diff) | |
download | op-kernel-dev-694c6caf92615828dbfd3fc30e937c8f54d2ac93.zip op-kernel-dev-694c6caf92615828dbfd3fc30e937c8f54d2ac93.tar.gz |
drm/gf100-/gr: improve initial context patch list helpers
Removes need for fixed buffer indices, and allows the functions
utilising them to also be run outside of context generation.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
4 files changed, 51 insertions, 20 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c index 6a2a288..a0514d3 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c @@ -982,6 +982,44 @@ nvc0_grctx_pack_tpc[] = { * PGRAPH context implementation ******************************************************************************/ +int +nvc0_grctx_mmio_data(struct nvc0_grctx *info, u32 size, u32 align, u32 access) +{ + if (info->data) { + info->buffer[info->buffer_nr] = round_up(info->addr, align); + info->addr = info->buffer[info->buffer_nr] + size; + info->data->size = size; + info->data->align = align; + info->data->access = access; + info->data++; + return info->buffer_nr++; + } + return -1; +} + +void +nvc0_grctx_mmio_item(struct nvc0_grctx *info, u32 addr, u32 data, + int shift, int buffer) +{ + if (info->data) { + if (shift >= 0) { + info->mmio->addr = addr; + info->mmio->data = data; + info->mmio->shift = shift; + info->mmio->buffer = buffer; + if (buffer >= 0) + data |= info->buffer[buffer] >> shift; + info->mmio++; + } else + return; + } else { + if (buffer >= 0) + return; + } + + nv_wr32(info->priv, addr, data); +} + void nvc0_grctx_generate_mods(struct nvc0_graph_priv *priv, struct nvc0_grctx *info) { diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.h b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.h index 03a9344..0579542 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.h +++ b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.h @@ -12,6 +12,17 @@ struct nvc0_grctx { u64 addr; }; +int nvc0_grctx_mmio_data(struct nvc0_grctx *, u32 size, u32 align, u32 access); +void nvc0_grctx_mmio_item(struct nvc0_grctx *, u32 addr, u32 data, int s, int); + +#define mmio_data(a,b,c) nvc0_grctx_mmio_data(info, (a), (b), (c)) +#define mmio_list(a,b,c,d) nvc0_grctx_mmio_item(info, (a), (b), (c), (d)) + +#define mmio_vram(a,b,c,d) nvc0_grctx_mmio_data((a), (b), (c), (d)) +#define mmio_refn(a,b,c,d,e) nvc0_grctx_mmio_item((a), (b), (c), (d), (e)) +#define mmio_skip(a,b,c) mmio_refn((a), (b), (c), -1, -1) +#define mmio_wr32(a,b,c) mmio_refn((a), (b), (c), 0, -1) + struct nvc0_grctx_oclass { struct nouveau_oclass base; /* main context generation function */ @@ -30,24 +41,6 @@ struct nvc0_grctx_oclass { const struct nvc0_graph_pack *mthd; }; -#define mmio_data(s,a,p) do { \ - info->buffer[info->buffer_nr] = round_up(info->addr, (a)); \ - info->addr = info->buffer[info->buffer_nr++] + (s); \ - info->data->size = (s); \ - info->data->align = (a); \ - info->data->access = (p); \ - info->data++; \ -} while(0) - -#define mmio_list(r,d,s,b) do { \ - info->mmio->addr = (r); \ - info->mmio->data = (d); \ - info->mmio->shift = (s); \ - info->mmio->buffer = (b); \ - info->mmio++; \ - nv_wr32(priv, (r), (d) | ((s) ? (info->buffer[(b)] >> (s)) : 0)); \ -} while(0) - extern struct nouveau_oclass *nvc0_grctx_oclass; int nvc0_grctx_generate(struct nvc0_graph_priv *); void nvc0_grctx_generate_main(struct nvc0_graph_priv *, struct nvc0_grctx *); diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c index 0156862..0f98472 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c @@ -283,7 +283,7 @@ nvc0_graph_context_ctor(struct nouveau_object *parent, u32 addr = mmio->addr; u32 data = mmio->data; - if (mmio->shift) { + if (mmio->buffer >= 0) { u64 info = chan->data[mmio->buffer].vma.offset; data |= info >> mmio->shift; } diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h index bfe9bdd..fde4010 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h @@ -65,7 +65,7 @@ struct nvc0_graph_mmio { u32 addr; u32 data; u32 shift; - u32 buffer; + int buffer; }; struct nvc0_graph_fuc { |