From: Marcin Slusarz <marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [kernel PATCH] drm/nouveau: add NOUVEAU_GEM_RELOC_HILO
Date: Wed, 12 Jan 2011 21:43:49 +0100 [thread overview]
Message-ID: <1294865031-22457-1-git-send-email-marcin.slusarz@gmail.com> (raw)
add new relocation flag which allows to halving number of relocation
entries on >= nv50 cards
Signed-off-by: Marcin Slusarz <marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
drivers/gpu/drm/nouveau/nouveau_gem.c | 22 +++++++++++++++-------
include/drm/nouveau_drm.h | 1 +
2 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 9a1fdcf..2e21412 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -507,6 +507,7 @@ nouveau_gem_pushbuf_reloc_apply(struct drm_device *dev,
struct drm_nouveau_gem_pushbuf_bo *b;
struct nouveau_bo *nvbo;
uint32_t data;
+ uint32_t data2;
if (unlikely(r->bo_index > req->nr_buffers)) {
NV_ERROR(dev, "reloc bo index invalid\n");
@@ -544,17 +545,22 @@ nouveau_gem_pushbuf_reloc_apply(struct drm_device *dev,
if (r->flags & NOUVEAU_GEM_RELOC_LOW)
data = b->presumed.offset + r->data;
- else
- if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
+ else if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
data = (b->presumed.offset + r->data) >> 32;
- else
+ else if (r->flags & NOUVEAU_GEM_RELOC_HILO) {
+ data = (b->presumed.offset + r->data) >> 32;
+ data2 = b->presumed.offset + r->data;
+ } else
data = r->data;
if (r->flags & NOUVEAU_GEM_RELOC_OR) {
- if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
- data |= r->tor;
- else
- data |= r->vor;
+ if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART) {
+ data |= r->tor;
+ data2 |= r->tor;
+ } else {
+ data |= r->vor;
+ data2 |= r->vor;
+ }
}
spin_lock(&nvbo->bo.lock);
@@ -566,6 +572,8 @@ nouveau_gem_pushbuf_reloc_apply(struct drm_device *dev,
}
nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
+ if (r->flags & NOUVEAU_GEM_RELOC_HILO)
+ nouveau_bo_wr32(nvbo, (r->reloc_bo_offset >> 2) + 1, data2);
}
kfree(reloc);
diff --git a/include/drm/nouveau_drm.h b/include/drm/nouveau_drm.h
index bc5590b..126ea8a 100644
--- a/include/drm/nouveau_drm.h
+++ b/include/drm/nouveau_drm.h
@@ -137,6 +137,7 @@ struct drm_nouveau_gem_pushbuf_bo {
#define NOUVEAU_GEM_RELOC_LOW (1 << 0)
#define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
#define NOUVEAU_GEM_RELOC_OR (1 << 2)
+#define NOUVEAU_GEM_RELOC_HILO (1 << 3)
#define NOUVEAU_GEM_MAX_RELOCS 1024
struct drm_nouveau_gem_pushbuf_reloc {
uint32_t reloc_bo_index;
--
1.7.3.3
next reply other threads:[~2011-01-12 20:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-12 20:43 Marcin Slusarz [this message]
[not found] ` <1294865031-22457-1-git-send-email-marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-01-12 20:43 ` [libdrm PATCH] nouveau: optimize OUT_RELOC2 Marcin Slusarz
2011-01-12 20:43 ` [mesa PATCH] gallium/nouveau: optimize so_reloc2 Marcin Slusarz
2011-01-12 21:08 ` [kernel PATCH] drm/nouveau: add NOUVEAU_GEM_RELOC_HILO Francisco Jerez
[not found] ` <87d3o1j0d4.fsf-sGOZH3hwPm2sTnJN9+BGXg@public.gmane.org>
2011-01-12 21:41 ` Marcin Slusarz
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