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path: root/drivers/gpu/drm/nouveau/nv50_fifo.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fifo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_fifo.c126
1 files changed, 46 insertions, 80 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c
index e20c0e2474f3..fb0281ae8f90 100644
--- a/drivers/gpu/drm/nouveau/nv50_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv50_fifo.c
@@ -28,41 +28,33 @@
#include "drm.h"
#include "nouveau_drv.h"
-struct nv50_fifo_priv {
- struct nouveau_gpuobj_ref *thingo[2];
- int cur_thingo;
-};
-
-#define IS_G80 ((dev_priv->chipset & 0xf0) == 0x50)
-
static void
-nv50_fifo_init_thingo(struct drm_device *dev)
+nv50_fifo_playlist_update(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nv50_fifo_priv *priv = dev_priv->engine.fifo.priv;
+ struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
struct nouveau_gpuobj_ref *cur;
int i, nr;
NV_DEBUG(dev, "\n");
- cur = priv->thingo[priv->cur_thingo];
- priv->cur_thingo = !priv->cur_thingo;
+ cur = pfifo->playlist[pfifo->cur_playlist];
+ pfifo->cur_playlist = !pfifo->cur_playlist;
/* We never schedule channel 0 or 127 */
- dev_priv->engine.instmem.prepare_access(dev, true);
for (i = 1, nr = 0; i < 127; i++) {
if (dev_priv->fifos[i] && dev_priv->fifos[i]->ramfc)
nv_wo32(dev, cur->gpuobj, nr++, i);
}
- dev_priv->engine.instmem.finish_access(dev);
+ dev_priv->engine.instmem.flush(dev);
nv_wr32(dev, 0x32f4, cur->instance >> 12);
nv_wr32(dev, 0x32ec, nr);
nv_wr32(dev, 0x2500, 0x101);
}
-static int
-nv50_fifo_channel_enable(struct drm_device *dev, int channel, bool nt)
+static void
+nv50_fifo_channel_enable(struct drm_device *dev, int channel)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->fifos[channel];
@@ -70,37 +62,28 @@ nv50_fifo_channel_enable(struct drm_device *dev, int channel, bool nt)
NV_DEBUG(dev, "ch%d\n", channel);
- if (!chan->ramfc)
- return -EINVAL;
-
- if (IS_G80)
+ if (dev_priv->chipset == 0x50)
inst = chan->ramfc->instance >> 12;
else
inst = chan->ramfc->instance >> 8;
- nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel),
- inst | NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED);
- if (!nt)
- nv50_fifo_init_thingo(dev);
- return 0;
+ nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel), inst |
+ NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED);
}
static void
-nv50_fifo_channel_disable(struct drm_device *dev, int channel, bool nt)
+nv50_fifo_channel_disable(struct drm_device *dev, int channel)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t inst;
- NV_DEBUG(dev, "ch%d, nt=%d\n", channel, nt);
+ NV_DEBUG(dev, "ch%d\n", channel);
- if (IS_G80)
+ if (dev_priv->chipset == 0x50)
inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G80;
else
inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G84;
nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel), inst);
-
- if (!nt)
- nv50_fifo_init_thingo(dev);
}
static void
@@ -133,12 +116,12 @@ nv50_fifo_init_context_table(struct drm_device *dev)
for (i = 0; i < NV50_PFIFO_CTX_TABLE__SIZE; i++) {
if (dev_priv->fifos[i])
- nv50_fifo_channel_enable(dev, i, true);
+ nv50_fifo_channel_enable(dev, i);
else
- nv50_fifo_channel_disable(dev, i, true);
+ nv50_fifo_channel_disable(dev, i);
}
- nv50_fifo_init_thingo(dev);
+ nv50_fifo_playlist_update(dev);
}
static void
@@ -162,41 +145,38 @@ nv50_fifo_init_regs(struct drm_device *dev)
nv_wr32(dev, 0x3270, 0);
/* Enable dummy channels setup by nv50_instmem.c */
- nv50_fifo_channel_enable(dev, 0, true);
- nv50_fifo_channel_enable(dev, 127, true);
+ nv50_fifo_channel_enable(dev, 0);
+ nv50_fifo_channel_enable(dev, 127);
}
int
nv50_fifo_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nv50_fifo_priv *priv;
+ struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
int ret;
NV_DEBUG(dev, "\n");
- priv = dev_priv->engine.fifo.priv;
- if (priv) {
- priv->cur_thingo = !priv->cur_thingo;
+ if (pfifo->playlist[0]) {
+ pfifo->cur_playlist = !pfifo->cur_playlist;
goto just_reset;
}
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
- dev_priv->engine.fifo.priv = priv;
-
ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, 128*4, 0x1000,
- NVOBJ_FLAG_ZERO_ALLOC, &priv->thingo[0]);
+ NVOBJ_FLAG_ZERO_ALLOC,
+ &pfifo->playlist[0]);
if (ret) {
- NV_ERROR(dev, "error creating thingo0: %d\n", ret);
+ NV_ERROR(dev, "error creating playlist 0: %d\n", ret);
return ret;
}
ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, 128*4, 0x1000,
- NVOBJ_FLAG_ZERO_ALLOC, &priv->thingo[1]);
+ NVOBJ_FLAG_ZERO_ALLOC,
+ &pfifo->playlist[1]);
if (ret) {
- NV_ERROR(dev, "error creating thingo1: %d\n", ret);
+ nouveau_gpuobj_ref_del(dev, &pfifo->playlist[0]);
+ NV_ERROR(dev, "error creating playlist 1: %d\n", ret);
return ret;
}
@@ -216,18 +196,15 @@ void
nv50_fifo_takedown(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nv50_fifo_priv *priv = dev_priv->engine.fifo.priv;
+ struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
NV_DEBUG(dev, "\n");
- if (!priv)
+ if (!pfifo->playlist[0])
return;
- nouveau_gpuobj_ref_del(dev, &priv->thingo[0]);
- nouveau_gpuobj_ref_del(dev, &priv->thingo[1]);
-
- dev_priv->engine.fifo.priv = NULL;
- kfree(priv);
+ nouveau_gpuobj_ref_del(dev, &pfifo->playlist[0]);
+ nouveau_gpuobj_ref_del(dev, &pfifo->playlist[1]);
}
int
@@ -248,7 +225,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
NV_DEBUG(dev, "ch%d\n", chan->id);
- if (IS_G80) {
+ if (dev_priv->chipset == 0x50) {
uint32_t ramin_poffset = chan->ramin->gpuobj->im_pramin->start;
uint32_t ramin_voffset = chan->ramin->gpuobj->im_backing_start;
@@ -281,10 +258,10 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
- dev_priv->engine.instmem.prepare_access(dev, true);
-
nv_wo32(dev, ramfc, 0x48/4, chan->pushbuf->instance >> 4);
- nv_wo32(dev, ramfc, 0x80/4, (0xc << 24) | (chan->ramht->instance >> 4));
+ nv_wo32(dev, ramfc, 0x80/4, (0 << 27) /* 4KiB */ |
+ (4 << 24) /* SEARCH_FULL */ |
+ (chan->ramht->instance >> 4));
nv_wo32(dev, ramfc, 0x44/4, 0x2101ffff);
nv_wo32(dev, ramfc, 0x60/4, 0x7fffffff);
nv_wo32(dev, ramfc, 0x40/4, 0x00000000);
@@ -295,7 +272,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
chan->dma.ib_base * 4);
nv_wo32(dev, ramfc, 0x54/4, drm_order(chan->dma.ib_max + 1) << 16);
- if (!IS_G80) {
+ if (dev_priv->chipset != 0x50) {
nv_wo32(dev, chan->ramin->gpuobj, 0, chan->id);
nv_wo32(dev, chan->ramin->gpuobj, 1,
chan->ramfc->instance >> 8);
@@ -304,16 +281,10 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
nv_wo32(dev, ramfc, 0x98/4, chan->ramin->instance >> 12);
}
- dev_priv->engine.instmem.finish_access(dev);
-
- ret = nv50_fifo_channel_enable(dev, chan->id, false);
- if (ret) {
- NV_ERROR(dev, "error enabling ch%d: %d\n", chan->id, ret);
- spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
- nouveau_gpuobj_ref_del(dev, &chan->ramfc);
- return ret;
- }
+ dev_priv->engine.instmem.flush(dev);
+ nv50_fifo_channel_enable(dev, chan->id);
+ nv50_fifo_playlist_update(dev);
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
return 0;
}
@@ -328,11 +299,12 @@ nv50_fifo_destroy_context(struct nouveau_channel *chan)
/* This will ensure the channel is seen as disabled. */
chan->ramfc = NULL;
- nv50_fifo_channel_disable(dev, chan->id, false);
+ nv50_fifo_channel_disable(dev, chan->id);
/* Dummy channel, also used on ch 127 */
if (chan->id == 0)
- nv50_fifo_channel_disable(dev, 127, false);
+ nv50_fifo_channel_disable(dev, 127);
+ nv50_fifo_playlist_update(dev);
nouveau_gpuobj_ref_del(dev, &ramfc);
nouveau_gpuobj_ref_del(dev, &chan->cache);
@@ -349,8 +321,6 @@ nv50_fifo_load_context(struct nouveau_channel *chan)
NV_DEBUG(dev, "ch%d\n", chan->id);
- dev_priv->engine.instmem.prepare_access(dev, false);
-
nv_wr32(dev, 0x3330, nv_ro32(dev, ramfc, 0x00/4));
nv_wr32(dev, 0x3334, nv_ro32(dev, ramfc, 0x04/4));
nv_wr32(dev, 0x3240, nv_ro32(dev, ramfc, 0x08/4));
@@ -396,7 +366,7 @@ nv50_fifo_load_context(struct nouveau_channel *chan)
nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0);
/* guessing that all the 0x34xx regs aren't on NV50 */
- if (!IS_G80) {
+ if (dev_priv->chipset != 0x50) {
nv_wr32(dev, 0x340c, nv_ro32(dev, ramfc, 0x88/4));
nv_wr32(dev, 0x3400, nv_ro32(dev, ramfc, 0x8c/4));
nv_wr32(dev, 0x3404, nv_ro32(dev, ramfc, 0x90/4));
@@ -404,8 +374,6 @@ nv50_fifo_load_context(struct nouveau_channel *chan)
nv_wr32(dev, 0x3410, nv_ro32(dev, ramfc, 0x98/4));
}
- dev_priv->engine.instmem.finish_access(dev);
-
nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, chan->id | (1<<16));
return 0;
}
@@ -434,8 +402,6 @@ nv50_fifo_unload_context(struct drm_device *dev)
ramfc = chan->ramfc->gpuobj;
cache = chan->cache->gpuobj;
- dev_priv->engine.instmem.prepare_access(dev, true);
-
nv_wo32(dev, ramfc, 0x00/4, nv_rd32(dev, 0x3330));
nv_wo32(dev, ramfc, 0x04/4, nv_rd32(dev, 0x3334));
nv_wo32(dev, ramfc, 0x08/4, nv_rd32(dev, 0x3240));
@@ -482,7 +448,7 @@ nv50_fifo_unload_context(struct drm_device *dev)
}
/* guessing that all the 0x34xx regs aren't on NV50 */
- if (!IS_G80) {
+ if (dev_priv->chipset != 0x50) {
nv_wo32(dev, ramfc, 0x84/4, ptr >> 1);
nv_wo32(dev, ramfc, 0x88/4, nv_rd32(dev, 0x340c));
nv_wo32(dev, ramfc, 0x8c/4, nv_rd32(dev, 0x3400));
@@ -491,7 +457,7 @@ nv50_fifo_unload_context(struct drm_device *dev)
nv_wo32(dev, ramfc, 0x98/4, nv_rd32(dev, 0x3410));
}
- dev_priv->engine.instmem.finish_access(dev);
+ dev_priv->engine.instmem.flush(dev);
/*XXX: probably reload ch127 (NULL) state back too */
nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, 127);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.