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authorBen Skeggs <skeggsb@gmail.com>2007-12-23 17:00:08 +1100
committerBen Skeggs <skeggsb@gmail.com>2007-12-23 17:06:18 +1100
commit5fcffcd31279d7777ad543809e5115f1e578022c (patch)
treebc57f0a8289a73ae65473c0abf44c4862a8c9fb2 /src/mesa/drivers
parent7372a596a9b960b212c839ef4ee1a1358b224047 (diff)
nouveau: speed up user buffers.
Try and fit user buffers into a small GART scratch area at validate time, instead of going to a lot of effort to fit these (mostly) use-once-and-discard objects into VRAM.
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/nouveau_winsys/nouveau_bo.c205
-rw-r--r--src/mesa/drivers/dri/nouveau_winsys/nouveau_drmif.h6
-rw-r--r--src/mesa/drivers/dri/nouveau_winsys/nouveau_pushbuf.c1
3 files changed, 173 insertions, 39 deletions
diff --git a/src/mesa/drivers/dri/nouveau_winsys/nouveau_bo.c b/src/mesa/drivers/dri/nouveau_winsys/nouveau_bo.c
index a86b726544..09e66d1bdc 100644
--- a/src/mesa/drivers/dri/nouveau_winsys/nouveau_bo.c
+++ b/src/mesa/drivers/dri/nouveau_winsys/nouveau_bo.c
@@ -23,41 +23,69 @@
#include <stdint.h>
#include <stdlib.h>
#include <errno.h>
+#include <assert.h>
#include "nouveau_drmif.h"
#include "nouveau_dma.h"
#include "nouveau_local.h"
-int
-nouveau_bo_init(struct nouveau_device *dev)
+static void
+nouveau_mem_free(struct nouveau_device *dev, struct drm_nouveau_mem_alloc *ma,
+ void **map)
{
- return 0;
+ struct nouveau_device_priv *nvdev = nouveau_device(dev);
+ struct drm_nouveau_mem_free mf;
+
+ if (map && *map) {
+ drmUnmap(*map, ma->size);
+ *map = NULL;
+ }
+
+ if (ma->size) {
+ mf.offset = ma->offset;
+ mf.flags = ma->flags;
+ drmCommandWrite(nvdev->fd, DRM_NOUVEAU_MEM_FREE,
+ &mf, sizeof(mf));
+ ma->size = 0;
+ }
}
-void
-nouveau_bo_takedown(struct nouveau_device *dev)
+static int
+nouveau_mem_alloc(struct nouveau_device *dev, unsigned size, unsigned align,
+ uint32_t flags, struct drm_nouveau_mem_alloc *ma, void **map)
{
+ struct nouveau_device_priv *nvdev = nouveau_device(dev);
+ int ret;
+
+ ma->alignment = align;
+ ma->size = size;
+ ma->flags = flags;
+ if (map)
+ ma->flags |= NOUVEAU_MEM_MAPPED;
+ ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_MEM_ALLOC, ma,
+ sizeof(struct drm_nouveau_mem_alloc));
+ if (ret)
+ return ret;
+
+ if (map) {
+ ret = drmMap(nvdev->fd, ma->map_handle, ma->size, map);
+ if (ret) {
+ *map = NULL;
+ nouveau_mem_free(dev, ma, map);
+ return ret;
+ }
+ }
+
+ return 0;
}
static int
nouveau_bo_realloc_gpu(struct nouveau_bo_priv *nvbo, uint32_t flags, int size)
{
- struct nouveau_device_priv *nvdev = nouveau_device(nvbo->base.device);
int ret;
if (nvbo->drm.size && nvbo->drm.size != size) {
- struct drm_nouveau_mem_free f;
-
- if (nvbo->map) {
- drmUnmap(nvbo->map, nvbo->drm.size);
- nvbo->map = NULL;
- }
-
- f.flags = nvbo->drm.flags;
- f.offset = nvbo->drm.offset;
- drmCommandWrite(nvdev->fd, DRM_NOUVEAU_MEM_FREE, &f, sizeof(f));
-
- nvbo->drm.size = 0;
+ nouveau_mem_free(nvbo->base.device, &nvbo->drm, &nvbo->map);
}
if (size && !nvbo->drm.size) {
@@ -71,27 +99,76 @@ nouveau_bo_realloc_gpu(struct nouveau_bo_priv *nvbo, uint32_t flags, int size)
nvbo->drm.flags |= NOUVEAU_MEM_MAPPED;
}
- nvbo->drm.size = size;
-
- ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_MEM_ALLOC,
- &nvbo->drm, sizeof(nvbo->drm));
+ ret = nouveau_mem_alloc(nvbo->base.device, size,
+ nvbo->drm.alignment, nvbo->drm.flags,
+ &nvbo->drm, &nvbo->map);
if (ret) {
- free(nvbo);
- return ret;
+ assert(0);
}
+ }
- ret = drmMap(nvdev->fd, nvbo->drm.map_handle, nvbo->drm.size,
- &nvbo->map);
- if (ret) {
- nvbo->map = NULL;
- nouveau_bo_del((void *)&nvbo);
- return ret;
- }
+ return 0;
+}
+
+static void
+nouveau_bo_tmp_del(void *priv)
+{
+ struct nouveau_resource *r = priv;
+
+ nouveau_fence_del((struct nouveau_fence **)&r->priv);
+ nouveau_resource_free(&r);
+}
+
+static struct nouveau_resource *
+nouveau_bo_tmp(struct nouveau_channel *chan, unsigned size,
+ struct nouveau_fence *fence)
+{
+ struct nouveau_device_priv *nvdev = nouveau_device(chan->device);
+ struct nouveau_resource *r = NULL;
+ struct nouveau_fence *ref = NULL;
+
+ if (fence)
+ nouveau_fence_ref(fence, &ref);
+ else
+ nouveau_fence_new(chan, &ref);
+ assert(ref);
+
+ while (nouveau_resource_alloc(nvdev->sa_heap, size, ref, &r)) {
+ nouveau_fence_flush(chan);
+ }
+ nouveau_fence_signal_cb(ref, nouveau_bo_tmp_del, r);
+
+ return r;
+}
+
+int
+nouveau_bo_init(struct nouveau_device *dev)
+{
+ struct nouveau_device_priv *nvdev = nouveau_device(dev);
+ int ret;
+
+ ret = nouveau_mem_alloc(dev, 128*1024, 0, NOUVEAU_MEM_AGP |
+ NOUVEAU_MEM_PCI, &nvdev->sa, &nvdev->sa_map);
+ if (ret)
+ return ret;
+
+ ret = nouveau_resource_init(&nvdev->sa_heap, 0, nvdev->sa.size);
+ if (ret) {
+ nouveau_mem_free(dev, &nvdev->sa, &nvdev->sa_map);
+ return ret;
}
return 0;
}
+void
+nouveau_bo_takedown(struct nouveau_device *dev)
+{
+ struct nouveau_device_priv *nvdev = nouveau_device(dev);
+
+ nouveau_mem_free(dev, &nvdev->sa, &nvdev->sa_map);
+}
+
int
nouveau_bo_new(struct nouveau_device *dev, uint32_t flags, int align,
int size, struct nouveau_bo **bo)
@@ -247,9 +324,36 @@ nouveau_bo_upload(struct nouveau_bo_priv *nvbo)
return 0;
}
-int
-nouveau_bo_validate(struct nouveau_channel *chan, struct nouveau_bo *bo,
- struct nouveau_fence *fence, uint32_t flags)
+static int
+nouveau_bo_validate_user(struct nouveau_channel *chan, struct nouveau_bo *bo,
+ struct nouveau_fence *fence, uint32_t flags)
+{
+ struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
+ struct nouveau_device_priv *nvdev = nouveau_device(chan->device);
+ struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
+ struct nouveau_resource *r;
+
+ if (nvchan->user_charge + bo->size > nvdev->sa.size)
+ return 1;
+ nvchan->user_charge += bo->size;
+
+ if (!(flags & NOUVEAU_BO_GART))
+ return 1;
+
+ r = nouveau_bo_tmp(chan, bo->size, fence);
+ if (!r)
+ return 1;
+
+ memcpy(nvdev->sa_map + r->start, nvbo->sysmem, bo->size);
+
+ nvbo->base.offset = nvdev->sa.offset + r->start;
+ nvbo->base.flags = NOUVEAU_BO_GART;
+ return 0;
+}
+
+static int
+nouveau_bo_validate_bo(struct nouveau_channel *chan, struct nouveau_bo *bo,
+ struct nouveau_fence *fence, uint32_t flags)
{
struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
@@ -264,13 +368,9 @@ nouveau_bo_validate(struct nouveau_channel *chan, struct nouveau_bo *bo,
if (nvbo->user) {
nouveau_bo_upload(nvbo);
}
-
- if (nvbo->fence)
- nouveau_fence_del(&nvbo->fence);
- nouveau_fence_ref(fence, &nvbo->fence);
nvbo->base.offset = nvbo->drm.offset;
- if (nvbo->drm.flags & NOUVEAU_MEM_AGP)
+ if (nvbo->drm.flags & (NOUVEAU_MEM_AGP | NOUVEAU_MEM_PCI))
nvbo->base.flags = NOUVEAU_BO_GART;
else
nvbo->base.flags = NOUVEAU_BO_VRAM;
@@ -278,3 +378,30 @@ nouveau_bo_validate(struct nouveau_channel *chan, struct nouveau_bo *bo,
return 0;
}
+int
+nouveau_bo_validate(struct nouveau_channel *chan, struct nouveau_bo *bo,
+ struct nouveau_fence *fence, uint32_t flags)
+{
+ struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
+ int ret;
+
+ if (nvbo->user) {
+ ret = nouveau_bo_validate_user(chan, bo, fence, flags);
+ if (ret) {
+ ret = nouveau_bo_validate_bo(chan, bo, fence, flags);
+ if (ret)
+ return ret;
+ }
+ } else {
+ ret = nouveau_bo_validate_bo(chan, bo, fence, flags);
+ if (ret)
+ return ret;
+ }
+
+ if (nvbo->fence)
+ nouveau_fence_del(&nvbo->fence);
+ nouveau_fence_ref(fence, &nvbo->fence);
+
+ return 0;
+}
+
diff --git a/src/mesa/drivers/dri/nouveau_winsys/nouveau_drmif.h b/src/mesa/drivers/dri/nouveau_winsys/nouveau_drmif.h
index 4dc40b7593..11a15d632c 100644
--- a/src/mesa/drivers/dri/nouveau_winsys/nouveau_drmif.h
+++ b/src/mesa/drivers/dri/nouveau_winsys/nouveau_drmif.h
@@ -42,6 +42,10 @@ struct nouveau_device_priv {
drm_context_t ctx;
drmLock *lock;
int needs_close;
+
+ struct drm_nouveau_mem_alloc sa;
+ void *sa_map;
+ struct nouveau_resource *sa_heap;
};
#define nouveau_device(n) ((struct nouveau_device_priv *)(n))
@@ -180,6 +184,8 @@ struct nouveau_channel_priv {
struct nouveau_resource *pb_heap;
struct nouveau_pushbuf *pb_head;
struct nouveau_pushbuf *pb_tail;
+
+ unsigned user_charge;
};
#define nouveau_channel(n) ((struct nouveau_channel_priv *)(n))
diff --git a/src/mesa/drivers/dri/nouveau_winsys/nouveau_pushbuf.c b/src/mesa/drivers/dri/nouveau_winsys/nouveau_pushbuf.c
index 2179664838..1175441789 100644
--- a/src/mesa/drivers/dri/nouveau_winsys/nouveau_pushbuf.c
+++ b/src/mesa/drivers/dri/nouveau_winsys/nouveau_pushbuf.c
@@ -105,6 +105,7 @@ nouveau_pushbuf_flush(struct nouveau_channel *chan)
return ret;
/* Validate buffers + apply relocations */
+ nvchan->user_charge = 0;
while ((pbbo = ptr_to_pbbo(nvpb->buffers))) {
struct nouveau_pushbuf_reloc *r;
struct nouveau_bo *bo = &ptr_to_bo(pbbo->handle)->base;