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-rw-r--r--libdrm/nouveau/nouveau_private.h8
-rw-r--r--libdrm/nouveau/nouveau_pushbuf.c147
2 files changed, 140 insertions, 15 deletions
diff --git a/libdrm/nouveau/nouveau_private.h b/libdrm/nouveau/nouveau_private.h
index 49dde5eb..67144e33 100644
--- a/libdrm/nouveau/nouveau_private.h
+++ b/libdrm/nouveau/nouveau_private.h
@@ -36,11 +36,17 @@
#include "nouveau_resource.h"
#include "nouveau_pushbuf.h"
+#define CALPB_BUFFERS 4
+#define CALPB_BUFSZ 16384
struct nouveau_pushbuf_priv {
struct nouveau_pushbuf base;
int use_cal;
- struct nouveau_bo *buffer;
+ uint32_t cal_suffix0;
+ uint32_t cal_suffix1;
+ struct nouveau_bo *buffer[CALPB_BUFFERS];
+ int current;
+ int current_offset;
unsigned *pushbuf;
unsigned size;
diff --git a/libdrm/nouveau/nouveau_pushbuf.c b/libdrm/nouveau/nouveau_pushbuf.c
index 480dbd26..86d5a4e3 100644
--- a/libdrm/nouveau/nouveau_pushbuf.c
+++ b/libdrm/nouveau/nouveau_pushbuf.c
@@ -59,7 +59,6 @@ nouveau_pushbuf_emit_reloc(struct nouveau_channel *chan, void *ptr,
struct nouveau_bo *bo, uint32_t data, uint32_t data2,
uint32_t flags, uint32_t vor, uint32_t tor)
{
- struct nouveau_device_priv *nvdev = nouveau_device(chan->device);
struct nouveau_pushbuf_priv *nvpb = nouveau_pushbuf(chan->pushbuf);
struct drm_nouveau_gem_pushbuf_reloc *r;
struct drm_nouveau_gem_pushbuf_bo *pbbo;
@@ -119,11 +118,50 @@ nouveau_pushbuf_emit_reloc(struct nouveau_channel *chan, void *ptr,
}
static int
+nouveau_pushbuf_space_call(struct nouveau_channel *chan, unsigned min)
+{
+ struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
+ struct nouveau_pushbuf_priv *nvpb = &nvchan->pb;
+ struct nouveau_bo *bo;
+ int ret;
+
+ if (min < PB_MIN_USER_DWORDS)
+ min = PB_MIN_USER_DWORDS;
+
+ nvpb->current_offset = nvpb->base.cur - nvpb->pushbuf;
+ if (nvpb->current_offset + min + 2 <= nvpb->size)
+ return 0;
+
+ nvpb->current++;
+ if (nvpb->current == CALPB_BUFFERS)
+ nvpb->current = 0;
+ bo = nvpb->buffer[nvpb->current];
+
+ ret = nouveau_bo_map(bo, NOUVEAU_BO_WR);
+ if (ret)
+ return ret;
+
+ nvpb->size = (bo->size - 8) / 4;
+ nvpb->pushbuf = bo->map;
+ nvpb->current_offset = 0;
+
+ nvpb->base.channel = chan;
+ nvpb->base.remaining = nvpb->size;
+ nvpb->base.cur = nvpb->pushbuf;
+
+ nouveau_bo_unmap(bo);
+ return 0;
+}
+
+static int
nouveau_pushbuf_space(struct nouveau_channel *chan, unsigned min)
{
struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
struct nouveau_pushbuf_priv *nvpb = &nvchan->pb;
+ if (nvpb->use_cal)
+ return nouveau_pushbuf_space_call(chan, min);
+
if (nvpb->pushbuf) {
free(nvpb->pushbuf);
nvpb->pushbuf = NULL;
@@ -139,13 +177,69 @@ nouveau_pushbuf_space(struct nouveau_channel *chan, unsigned min)
return 0;
}
+static void
+nouveau_pushbuf_fini_call(struct nouveau_channel *chan)
+{
+ struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
+ struct nouveau_pushbuf_priv *nvpb = &nvchan->pb;
+ int i;
+
+ for (i = 0; i < CALPB_BUFFERS; i++)
+ nouveau_bo_ref(NULL, &nvpb->buffer[i]);
+ nvpb->use_cal = 0;
+ nvpb->pushbuf = NULL;
+}
+
+static void
+nouveau_pushbuf_init_call(struct nouveau_channel *chan)
+{
+ struct drm_nouveau_gem_pushbuf_call req;
+ struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
+ struct nouveau_pushbuf_priv *nvpb = &nvchan->pb;
+ struct nouveau_device *dev = chan->device;
+ int i, ret;
+
+ req.channel = chan->id;
+ req.handle = 0;
+ ret = drmCommandWriteRead(nouveau_device(dev)->fd,
+ DRM_NOUVEAU_GEM_PUSHBUF_CALL,
+ &req, sizeof(req));
+ if (ret)
+ return;
+
+ for (i = 0; i < CALPB_BUFFERS; i++) {
+ ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
+ 0, CALPB_BUFSZ, &nvpb->buffer[i]);
+ if (ret) {
+ nouveau_pushbuf_fini_call(chan);
+ return;
+ }
+ }
+
+ nvpb->use_cal = 1;
+ nvpb->cal_suffix0 = req.suffix0;
+ nvpb->cal_suffix1 = req.suffix1;
+}
+
int
nouveau_pushbuf_init(struct nouveau_channel *chan)
{
struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
struct nouveau_pushbuf_priv *nvpb = &nvchan->pb;
+ int ret;
- nouveau_pushbuf_space(chan, 0);
+ nouveau_pushbuf_init_call(chan);
+
+ ret = nouveau_pushbuf_space(chan, 0);
+ if (ret) {
+ if (nvpb->use_cal) {
+ nouveau_pushbuf_fini_call(chan);
+ ret = nouveau_pushbuf_space(chan, 0);
+ }
+
+ if (ret)
+ return ret;
+ }
nvpb->buffers = calloc(NOUVEAU_GEM_MAX_BUFFERS,
sizeof(struct drm_nouveau_gem_pushbuf_bo));
@@ -162,24 +256,49 @@ nouveau_pushbuf_flush(struct nouveau_channel *chan, unsigned min)
struct nouveau_device_priv *nvdev = nouveau_device(chan->device);
struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
struct nouveau_pushbuf_priv *nvpb = &nvchan->pb;
- struct drm_nouveau_gem_pushbuf req;
unsigned i;
int ret;
if (nvpb->base.remaining == nvpb->size)
return 0;
- nvpb->size -= nvpb->base.remaining;
- req.channel = chan->id;
- req.nr_dwords = nvpb->size;
- req.dwords = (uint64_t)(unsigned long)nvpb->pushbuf;
- req.nr_buffers = nvpb->nr_buffers;
- req.buffers = (uint64_t)(unsigned long)nvpb->buffers;
- req.nr_relocs = nvpb->nr_relocs;
- req.relocs = (uint64_t)(unsigned long)nvpb->relocs;
- ret = drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GEM_PUSHBUF,
- &req, sizeof(req));
- assert(ret == 0);
+ if (nvpb->use_cal) {
+ struct drm_nouveau_gem_pushbuf_call req;
+
+ *(nvpb->base.cur++) = nvpb->cal_suffix0;
+ *(nvpb->base.cur++) = nvpb->cal_suffix1;
+
+ req.channel = chan->id;
+ req.handle = nvpb->buffer[nvpb->current]->handle;
+ req.offset = nvpb->current_offset * 4;
+ req.nr_buffers = nvpb->nr_buffers;
+ req.buffers = (uint64_t)(unsigned long)nvpb->buffers;
+ req.nr_relocs = nvpb->nr_relocs;
+ req.relocs = (uint64_t)(unsigned long)nvpb->relocs;
+ req.nr_dwords = (nvpb->base.cur - nvpb->pushbuf) -
+ nvpb->current_offset;
+ req.suffix0 = nvpb->cal_suffix0;
+ req.suffix1 = nvpb->cal_suffix1;
+ ret = drmCommandWriteRead(nvdev->fd,
+ DRM_NOUVEAU_GEM_PUSHBUF_CALL,
+ &req, sizeof(req));
+ nvpb->cal_suffix0 = req.suffix0;
+ nvpb->cal_suffix1 = req.suffix1;
+ assert(ret == 0);
+ } else {
+ struct drm_nouveau_gem_pushbuf req;
+
+ req.channel = chan->id;
+ req.nr_dwords = nvpb->size - nvpb->base.remaining;
+ req.dwords = (uint64_t)(unsigned long)nvpb->pushbuf;
+ req.nr_buffers = nvpb->nr_buffers;
+ req.buffers = (uint64_t)(unsigned long)nvpb->buffers;
+ req.nr_relocs = nvpb->nr_relocs;
+ req.relocs = (uint64_t)(unsigned long)nvpb->relocs;
+ ret = drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GEM_PUSHBUF,
+ &req, sizeof(req));
+ assert(ret == 0);
+ }
/* Update presumed offset/domain for any buffers that moved.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 19:04:35 +0000