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Diffstat (limited to 'shared-core/nv50_fifo.c')
-rw-r--r--shared-core/nv50_fifo.c102
1 files changed, 57 insertions, 45 deletions
diff --git a/shared-core/nv50_fifo.c b/shared-core/nv50_fifo.c
index 7859544a..edf4edbf 100644
--- a/shared-core/nv50_fifo.c
+++ b/shared-core/nv50_fifo.c
@@ -28,9 +28,10 @@
#include "drm.h"
#include "nouveau_drv.h"
-typedef struct {
- struct nouveau_gpuobj_ref *thingo;
-} nv50_fifo_priv;
+struct nv50_fifo_priv {
+ struct nouveau_gpuobj_ref *thingo[2];
+ int cur_thingo;
+};
#define IS_G80 ((dev_priv->chipset & 0xf0) == 0x50)
@@ -38,23 +39,23 @@ static void
nv50_fifo_init_thingo(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- nv50_fifo_priv *priv = dev_priv->Engine.fifo.priv;
- struct nouveau_gpuobj_ref *thingo = priv->thingo;
- int i, fi=2;
+ struct nv50_fifo_priv *priv = dev_priv->Engine.fifo.priv;
+ struct nouveau_gpuobj_ref *cur;
+ int i, nr;
DRM_DEBUG("\n");
- INSTANCE_WR(thingo->gpuobj, 0, 0x7e);
- INSTANCE_WR(thingo->gpuobj, 1, 0x7e);
- for (i = 1; i < 127; i++, fi) {
+ cur = priv->thingo[priv->cur_thingo];
+ priv->cur_thingo = !priv->cur_thingo;
+
+ /* We never schedule channel 0 or 127 */
+ for (i = 1, nr = 0; i < 127; i++) {
if (dev_priv->fifos[i]) {
- INSTANCE_WR(thingo->gpuobj, fi, i);
- fi++;
+ INSTANCE_WR(cur->gpuobj, nr++, i);
}
}
-
- NV_WRITE(0x32f4, thingo->instance >> 12);
- NV_WRITE(0x32ec, fi);
+ NV_WRITE(0x32f4, cur->instance >> 12);
+ NV_WRITE(0x32ec, nr);
NV_WRITE(0x2500, 0x101);
}
@@ -98,14 +99,12 @@ static void
nv50_fifo_init_reset(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t pmc_e;
+ uint32_t pmc_e = NV_PMC_ENABLE_PFIFO;
DRM_DEBUG("\n");
- pmc_e = NV_READ(NV03_PMC_ENABLE);
- NV_WRITE(NV03_PMC_ENABLE, pmc_e & ~NV_PMC_ENABLE_PFIFO);
- pmc_e = NV_READ(NV03_PMC_ENABLE);
- NV_WRITE(NV03_PMC_ENABLE, pmc_e | NV_PMC_ENABLE_PFIFO);
+ NV_WRITE(NV03_PMC_ENABLE, NV_READ(NV03_PMC_ENABLE) & ~pmc_e);
+ NV_WRITE(NV03_PMC_ENABLE, NV_READ(NV03_PMC_ENABLE) | pmc_e);
}
static void
@@ -141,7 +140,7 @@ nv50_fifo_init_regs__nv(struct drm_device *dev)
NV_WRITE(0x250c, 0x6f3cfc34);
}
-static int
+static void
nv50_fifo_init_regs(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
@@ -158,15 +157,13 @@ nv50_fifo_init_regs(struct drm_device *dev)
/* Enable dummy channels setup by nv50_instmem.c */
nv50_fifo_channel_enable(dev, 0, 1);
nv50_fifo_channel_enable(dev, 127, 1);
-
- return 0;
}
int
nv50_fifo_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- nv50_fifo_priv *priv;
+ struct nv50_fifo_priv *priv;
int ret;
DRM_DEBUG("\n");
@@ -179,18 +176,23 @@ nv50_fifo_init(struct drm_device *dev)
nv50_fifo_init_reset(dev);
nv50_fifo_init_intr(dev);
- if ((ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, (128+2)*4, 0x1000,
- NVOBJ_FLAG_ZERO_ALLOC,
- &priv->thingo))) {
- DRM_ERROR("error creating thingo: %d\n", ret);
+ ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, 128*4, 0x1000,
+ NVOBJ_FLAG_ZERO_ALLOC, &priv->thingo[0]);
+ if (ret) {
+ DRM_ERROR("error creating thingo0: %d\n", ret);
return ret;
}
- nv50_fifo_init_context_table(dev);
+ ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, 128*4, 0x1000,
+ NVOBJ_FLAG_ZERO_ALLOC, &priv->thingo[1]);
+ if (ret) {
+ DRM_ERROR("error creating thingo1: %d\n", ret);
+ return ret;
+ }
+ nv50_fifo_init_context_table(dev);
nv50_fifo_init_regs__nv(dev);
- if ((ret = nv50_fifo_init_regs(dev)))
- return ret;
+ nv50_fifo_init_regs(dev);
return 0;
}
@@ -199,20 +201,30 @@ void
nv50_fifo_takedown(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- nv50_fifo_priv *priv = dev_priv->Engine.fifo.priv;
+ struct nv50_fifo_priv *priv = dev_priv->Engine.fifo.priv;
DRM_DEBUG("\n");
if (!priv)
return;
- nouveau_gpuobj_ref_del(dev, &priv->thingo);
+ nouveau_gpuobj_ref_del(dev, &priv->thingo[0]);
+ nouveau_gpuobj_ref_del(dev, &priv->thingo[1]);
dev_priv->Engine.fifo.priv = NULL;
drm_free(priv, sizeof(*priv), DRM_MEM_DRIVER);
}
int
+nv50_fifo_channel_id(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ return (NV_READ(NV03_PFIFO_CACHE1_PUSH1) &
+ NV50_PFIFO_CACHE1_PUSH1_CHID_MASK);
+}
+
+int
nv50_fifo_create_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
@@ -225,18 +237,18 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
if (IS_G80) {
uint32_t ramfc_offset = chan->ramin->gpuobj->im_pramin->start;
uint32_t vram_offset = chan->ramin->gpuobj->im_backing->start;
- if ((ret = nouveau_gpuobj_new_fake(dev, ramfc_offset,
- vram_offset, 0x100,
- NVOBJ_FLAG_ZERO_ALLOC |
- NVOBJ_FLAG_ZERO_FREE,
- &ramfc, &chan->ramfc)))
- return ret;
+ ret = nouveau_gpuobj_new_fake(dev, ramfc_offset, vram_offset,
+ 0x100, NVOBJ_FLAG_ZERO_ALLOC |
+ NVOBJ_FLAG_ZERO_FREE, &ramfc,
+ &chan->ramfc);
+ if (ret)
+ return ret;
} else {
- if ((ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, 0x100,
- 256,
- NVOBJ_FLAG_ZERO_ALLOC |
- NVOBJ_FLAG_ZERO_FREE,
- &chan->ramfc)))
+ ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, 0x100, 256,
+ NVOBJ_FLAG_ZERO_ALLOC |
+ NVOBJ_FLAG_ZERO_FREE,
+ &chan->ramfc);
+ if (ret)
return ret;
ramfc = chan->ramfc->gpuobj;
}
@@ -263,7 +275,8 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
INSTANCE_WR(ramfc, 0x98/4, chan->ramin->instance >> 12);
}
- if ((ret = nv50_fifo_channel_enable(dev, chan->id, 0))) {
+ ret = nv50_fifo_channel_enable(dev, chan->id, 0);
+ if (ret) {
DRM_ERROR("error enabling ch%d: %d\n", chan->id, ret);
nouveau_gpuobj_ref_del(dev, &chan->ramfc);
return ret;
@@ -324,4 +337,3 @@ nv50_fifo_save_context(struct nouveau_channel *chan)
DRM_ERROR("stub!\n");
return 0;
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 17:46:42 +0000