nvc0: fix reloc domain conflict on buffer migration

Occurred because the code assumed that buf->domain would remain
equal to old_domain.
This commit is contained in:
Christoph Bumiller
2011-01-08 00:29:41 +01:00
parent b2a79953a6
commit 8b2a46c0de

View File

@@ -387,18 +387,19 @@ nvc0_buffer_fetch_data(struct nvc0_resource *buf,
/* Migrate a linear buffer (vertex, index, constants) USER -> GART -> VRAM. */
boolean
nvc0_buffer_migrate(struct nvc0_context *nvc0,
struct nvc0_resource *buf, unsigned domain)
struct nvc0_resource *buf, const unsigned new_domain)
{
struct nvc0_screen *screen = nvc0_screen(buf->base.screen);
struct nouveau_bo *bo;
const unsigned old_domain = buf->domain;
unsigned size = buf->base.width0;
unsigned offset;
int ret;
assert(domain != buf->domain);
assert(new_domain != old_domain);
if (domain == NOUVEAU_BO_GART && buf->domain == 0) {
if (!nvc0_buffer_allocate(screen, buf, domain))
if (new_domain == NOUVEAU_BO_GART && old_domain == 0) {
if (!nvc0_buffer_allocate(screen, buf, new_domain))
return FALSE;
ret = nouveau_bo_map_range(buf->bo, buf->offset, size, NOUVEAU_BO_WR |
NOUVEAU_BO_NOSYNC);
@@ -408,10 +409,10 @@ nvc0_buffer_migrate(struct nvc0_context *nvc0,
nouveau_bo_unmap(buf->bo);
FREE(buf->data);
} else
if (domain != 0 && buf->domain != 0) {
if (old_domain != 0 && new_domain != 0) {
struct nvc0_mm_allocation *mm = buf->mm;
if (domain == NOUVEAU_BO_VRAM) {
if (new_domain == NOUVEAU_BO_VRAM) {
/* keep a system memory copy of our data in case we hit a fallback */
if (!nvc0_buffer_fetch_data(buf, buf->bo, buf->offset, size))
return FALSE;
@@ -422,16 +423,16 @@ nvc0_buffer_migrate(struct nvc0_context *nvc0,
bo = buf->bo;
buf->bo = NULL;
buf->mm = NULL;
nvc0_buffer_allocate(screen, buf, domain);
nvc0_buffer_allocate(screen, buf, new_domain);
nvc0_m2mf_copy_linear(nvc0, buf->bo, buf->offset, domain,
bo, offset, buf->domain, buf->base.width0);
nvc0_m2mf_copy_linear(nvc0, buf->bo, buf->offset, new_domain,
bo, offset, old_domain, buf->base.width0);
nouveau_bo_ref(NULL, &bo);
if (mm)
release_allocation(&mm, screen->fence.current);
} else
if (domain == NOUVEAU_BO_VRAM && buf->domain == 0) {
if (new_domain == NOUVEAU_BO_VRAM && old_domain == 0) {
if (!nvc0_buffer_allocate(screen, buf, NOUVEAU_BO_VRAM))
return FALSE;
if (!nvc0_buffer_upload(nvc0, buf, 0, buf->base.width0))
@@ -439,8 +440,7 @@ nvc0_buffer_migrate(struct nvc0_context *nvc0,
} else
return FALSE;
buf->domain = domain;
assert(buf->domain == new_domain);
return TRUE;
}