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-rw-r--r--drivers/gpu/drm/nouveau/Makefile2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_object.c132
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_ramht.c160
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_ramht.h31
4 files changed, 193 insertions, 132 deletions
diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index e9b06e4ef2a..d6cfbf25987 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -9,7 +9,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \
nouveau_bo.o nouveau_fence.o nouveau_gem.o nouveau_ttm.o \
nouveau_hw.o nouveau_calc.o nouveau_bios.o nouveau_i2c.o \
nouveau_display.o nouveau_connector.o nouveau_fbcon.o \
- nouveau_dp.o \
+ nouveau_dp.o nouveau_ramht.o \
nv04_timer.o \
nv04_mc.o nv40_mc.o nv50_mc.o \
nv04_fb.o nv10_fb.o nv30_fb.o nv40_fb.o nv50_fb.o nvc0_fb.o \
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index b6bcb254f4a..e658aa2dbe6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -34,6 +34,7 @@
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
+#include "nouveau_ramht.h"
/* NVidia uses context objects to drive drawing operations.
@@ -65,137 +66,6 @@
The key into the hash table depends on the object handle and channel id and
is given as:
*/
-static uint32_t
-nouveau_ramht_hash_handle(struct drm_device *dev, int channel, uint32_t handle)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t hash = 0;
- int i;
-
- NV_DEBUG(dev, "ch%d handle=0x%08x\n", channel, handle);
-
- for (i = 32; i > 0; i -= dev_priv->ramht_bits) {
- hash ^= (handle & ((1 << dev_priv->ramht_bits) - 1));
- handle >>= dev_priv->ramht_bits;
- }
-
- if (dev_priv->card_type < NV_50)
- hash ^= channel << (dev_priv->ramht_bits - 4);
- hash <<= 3;
-
- NV_DEBUG(dev, "hash=0x%08x\n", hash);
- return hash;
-}
-
-static int
-nouveau_ramht_entry_valid(struct drm_device *dev, struct nouveau_gpuobj *ramht,
- uint32_t offset)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t ctx = nv_ro32(dev, ramht, (offset + 4)/4);
-
- if (dev_priv->card_type < NV_40)
- return ((ctx & NV_RAMHT_CONTEXT_VALID) != 0);
- return (ctx != 0);
-}
-
-static int
-nouveau_ramht_insert(struct drm_device *dev, struct nouveau_gpuobj_ref *ref)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
- struct nouveau_channel *chan = ref->channel;
- struct nouveau_gpuobj *ramht = chan->ramht ? chan->ramht->gpuobj : NULL;
- uint32_t ctx, co, ho;
-
- if (!ramht) {
- NV_ERROR(dev, "No hash table!\n");
- return -EINVAL;
- }
-
- if (dev_priv->card_type < NV_40) {
- ctx = NV_RAMHT_CONTEXT_VALID | (ref->instance >> 4) |
- (chan->id << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) |
- (ref->gpuobj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT);
- } else
- if (dev_priv->card_type < NV_50) {
- ctx = (ref->instance >> 4) |
- (chan->id << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) |
- (ref->gpuobj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT);
- } else {
- if (ref->gpuobj->engine == NVOBJ_ENGINE_DISPLAY) {
- ctx = (ref->instance << 10) | 2;
- } else {
- ctx = (ref->instance >> 4) |
- ((ref->gpuobj->engine <<
- NV40_RAMHT_CONTEXT_ENGINE_SHIFT));
- }
- }
-
- co = ho = nouveau_ramht_hash_handle(dev, chan->id, ref->handle);
- do {
- if (!nouveau_ramht_entry_valid(dev, ramht, co)) {
- NV_DEBUG(dev,
- "insert ch%d 0x%08x: h=0x%08x, c=0x%08x\n",
- chan->id, co, ref->handle, ctx);
- nv_wo32(dev, ramht, (co + 0)/4, ref->handle);
- nv_wo32(dev, ramht, (co + 4)/4, ctx);
-
- list_add_tail(&ref->list, &chan->ramht_refs);
- instmem->flush(dev);
- return 0;
- }
- NV_DEBUG(dev, "collision ch%d 0x%08x: h=0x%08x\n",
- chan->id, co, nv_ro32(dev, ramht, co/4));
-
- co += 8;
- if (co >= dev_priv->ramht_size)
- co = 0;
- } while (co != ho);
-
- NV_ERROR(dev, "RAMHT space exhausted. ch=%d\n", chan->id);
- return -ENOMEM;
-}
-
-static void
-nouveau_ramht_remove(struct drm_device *dev, struct nouveau_gpuobj_ref *ref)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
- struct nouveau_channel *chan = ref->channel;
- struct nouveau_gpuobj *ramht = chan->ramht ? chan->ramht->gpuobj : NULL;
- uint32_t co, ho;
-
- if (!ramht) {
- NV_ERROR(dev, "No hash table!\n");
- return;
- }
-
- co = ho = nouveau_ramht_hash_handle(dev, chan->id, ref->handle);
- do {
- if (nouveau_ramht_entry_valid(dev, ramht, co) &&
- (ref->handle == nv_ro32(dev, ramht, (co/4)))) {
- NV_DEBUG(dev,
- "remove ch%d 0x%08x: h=0x%08x, c=0x%08x\n",
- chan->id, co, ref->handle,
- nv_ro32(dev, ramht, (co + 4)));
- nv_wo32(dev, ramht, (co + 0)/4, 0x00000000);
- nv_wo32(dev, ramht, (co + 4)/4, 0x00000000);
-
- list_del(&ref->list);
- instmem->flush(dev);
- return;
- }
-
- co += 8;
- if (co >= dev_priv->ramht_size)
- co = 0;
- } while (co != ho);
- list_del(&ref->list);
-
- NV_ERROR(dev, "RAMHT entry not found. ch=%d, handle=0x%08x\n",
- chan->id, ref->handle);
-}
int
nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_channel *chan,
diff --git a/drivers/gpu/drm/nouveau/nouveau_ramht.c b/drivers/gpu/drm/nouveau/nouveau_ramht.c
new file mode 100644
index 00000000000..8b27ee5411b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_ramht.c
@@ -0,0 +1,160 @@
+/*
+ * Copyright 2010 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#include "drmP.h"
+
+#include "nouveau_drv.h"
+#include "nouveau_ramht.h"
+
+static uint32_t
+nouveau_ramht_hash_handle(struct drm_device *dev, int channel, uint32_t handle)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ uint32_t hash = 0;
+ int i;
+
+ NV_DEBUG(dev, "ch%d handle=0x%08x\n", channel, handle);
+
+ for (i = 32; i > 0; i -= dev_priv->ramht_bits) {
+ hash ^= (handle & ((1 << dev_priv->ramht_bits) - 1));
+ handle >>= dev_priv->ramht_bits;
+ }
+
+ if (dev_priv->card_type < NV_50)
+ hash ^= channel << (dev_priv->ramht_bits - 4);
+ hash <<= 3;
+
+ NV_DEBUG(dev, "hash=0x%08x\n", hash);
+ return hash;
+}
+
+static int
+nouveau_ramht_entry_valid(struct drm_device *dev, struct nouveau_gpuobj *ramht,
+ uint32_t offset)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ uint32_t ctx = nv_ro32(dev, ramht, (offset + 4)/4);
+
+ if (dev_priv->card_type < NV_40)
+ return ((ctx & NV_RAMHT_CONTEXT_VALID) != 0);
+ return (ctx != 0);
+}
+
+int
+nouveau_ramht_insert(struct drm_device *dev, struct nouveau_gpuobj_ref *ref)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
+ struct nouveau_channel *chan = ref->channel;
+ struct nouveau_gpuobj *ramht = chan->ramht ? chan->ramht->gpuobj : NULL;
+ uint32_t ctx, co, ho;
+
+ if (!ramht) {
+ NV_ERROR(dev, "No hash table!\n");
+ return -EINVAL;
+ }
+
+ if (dev_priv->card_type < NV_40) {
+ ctx = NV_RAMHT_CONTEXT_VALID | (ref->instance >> 4) |
+ (chan->id << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) |
+ (ref->gpuobj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT);
+ } else
+ if (dev_priv->card_type < NV_50) {
+ ctx = (ref->instance >> 4) |
+ (chan->id << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) |
+ (ref->gpuobj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT);
+ } else {
+ if (ref->gpuobj->engine == NVOBJ_ENGINE_DISPLAY) {
+ ctx = (ref->instance << 10) | 2;
+ } else {
+ ctx = (ref->instance >> 4) |
+ ((ref->gpuobj->engine <<
+ NV40_RAMHT_CONTEXT_ENGINE_SHIFT));
+ }
+ }
+
+ co = ho = nouveau_ramht_hash_handle(dev, chan->id, ref->handle);
+ do {
+ if (!nouveau_ramht_entry_valid(dev, ramht, co)) {
+ NV_DEBUG(dev,
+ "insert ch%d 0x%08x: h=0x%08x, c=0x%08x\n",
+ chan->id, co, ref->handle, ctx);
+ nv_wo32(dev, ramht, (co + 0)/4, ref->handle);
+ nv_wo32(dev, ramht, (co + 4)/4, ctx);
+
+ list_add_tail(&ref->list, &chan->ramht_refs);
+ instmem->flush(dev);
+ return 0;
+ }
+ NV_DEBUG(dev, "collision ch%d 0x%08x: h=0x%08x\n",
+ chan->id, co, nv_ro32(dev, ramht, co/4));
+
+ co += 8;
+ if (co >= dev_priv->ramht_size)
+ co = 0;
+ } while (co != ho);
+
+ NV_ERROR(dev, "RAMHT space exhausted. ch=%d\n", chan->id);
+ return -ENOMEM;
+}
+
+void
+nouveau_ramht_remove(struct drm_device *dev, struct nouveau_gpuobj_ref *ref)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
+ struct nouveau_channel *chan = ref->channel;
+ struct nouveau_gpuobj *ramht = chan->ramht ? chan->ramht->gpuobj : NULL;
+ uint32_t co, ho;
+
+ if (!ramht) {
+ NV_ERROR(dev, "No hash table!\n");
+ return;
+ }
+
+ co = ho = nouveau_ramht_hash_handle(dev, chan->id, ref->handle);
+ do {
+ if (nouveau_ramht_entry_valid(dev, ramht, co) &&
+ (ref->handle == nv_ro32(dev, ramht, (co/4)))) {
+ NV_DEBUG(dev,
+ "remove ch%d 0x%08x: h=0x%08x, c=0x%08x\n",
+ chan->id, co, ref->handle,
+ nv_ro32(dev, ramht, (co + 4)));
+ nv_wo32(dev, ramht, (co + 0)/4, 0x00000000);
+ nv_wo32(dev, ramht, (co + 4)/4, 0x00000000);
+
+ list_del(&ref->list);
+ instmem->flush(dev);
+ return;
+ }
+
+ co += 8;
+ if (co >= dev_priv->ramht_size)
+ co = 0;
+ } while (co != ho);
+ list_del(&ref->list);
+
+ NV_ERROR(dev, "RAMHT entry not found. ch=%d, handle=0x%08x\n",
+ chan->id, ref->handle);
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_ramht.h b/drivers/gpu/drm/nouveau/nouveau_ramht.h
new file mode 100644
index 00000000000..e10455c6e7f
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_ramht.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#ifndef __NOUVEAU_RAMHT_H__
+#define __NOUVEAU_RAMHT_H__
+
+extern int nouveau_ramht_insert(struct drm_device *, struct nouveau_gpuobj_ref *);
+extern void nouveau_ramht_remove(struct drm_device *, struct nouveau_gpuobj_ref *);
+
+#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-01 16:29:51 +0000