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path: root/drivers/gpu/drm/nouveau/nv10_graph.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv10_graph.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv10_graph.c175
1 files changed, 125 insertions, 50 deletions
diff --git a/drivers/gpu/drm/nouveau/nv10_graph.c b/drivers/gpu/drm/nouveau/nv10_graph.c
index fcf2cdd1949..b2f6a57c0cc 100644
--- a/drivers/gpu/drm/nouveau/nv10_graph.c
+++ b/drivers/gpu/drm/nouveau/nv10_graph.c
@@ -43,51 +43,51 @@ struct pipe_state {
};
static int nv10_graph_ctx_regs[] = {
- NV10_PGRAPH_CTX_SWITCH1,
- NV10_PGRAPH_CTX_SWITCH2,
- NV10_PGRAPH_CTX_SWITCH3,
- NV10_PGRAPH_CTX_SWITCH4,
- NV10_PGRAPH_CTX_SWITCH5,
- NV10_PGRAPH_CTX_CACHE1, /* 8 values from 0x400160 to 0x40017c */
- NV10_PGRAPH_CTX_CACHE2, /* 8 values from 0x400180 to 0x40019c */
- NV10_PGRAPH_CTX_CACHE3, /* 8 values from 0x4001a0 to 0x4001bc */
- NV10_PGRAPH_CTX_CACHE4, /* 8 values from 0x4001c0 to 0x4001dc */
- NV10_PGRAPH_CTX_CACHE5, /* 8 values from 0x4001e0 to 0x4001fc */
- 0x00400164,
- 0x00400184,
- 0x004001a4,
- 0x004001c4,
- 0x004001e4,
- 0x00400168,
- 0x00400188,
- 0x004001a8,
- 0x004001c8,
- 0x004001e8,
- 0x0040016c,
- 0x0040018c,
- 0x004001ac,
- 0x004001cc,
- 0x004001ec,
- 0x00400170,
- 0x00400190,
- 0x004001b0,
- 0x004001d0,
- 0x004001f0,
- 0x00400174,
- 0x00400194,
- 0x004001b4,
- 0x004001d4,
- 0x004001f4,
- 0x00400178,
- 0x00400198,
- 0x004001b8,
- 0x004001d8,
- 0x004001f8,
- 0x0040017c,
- 0x0040019c,
- 0x004001bc,
- 0x004001dc,
- 0x004001fc,
+ NV10_PGRAPH_CTX_SWITCH(0),
+ NV10_PGRAPH_CTX_SWITCH(1),
+ NV10_PGRAPH_CTX_SWITCH(2),
+ NV10_PGRAPH_CTX_SWITCH(3),
+ NV10_PGRAPH_CTX_SWITCH(4),
+ NV10_PGRAPH_CTX_CACHE(0, 0),
+ NV10_PGRAPH_CTX_CACHE(0, 1),
+ NV10_PGRAPH_CTX_CACHE(0, 2),
+ NV10_PGRAPH_CTX_CACHE(0, 3),
+ NV10_PGRAPH_CTX_CACHE(0, 4),
+ NV10_PGRAPH_CTX_CACHE(1, 0),
+ NV10_PGRAPH_CTX_CACHE(1, 1),
+ NV10_PGRAPH_CTX_CACHE(1, 2),
+ NV10_PGRAPH_CTX_CACHE(1, 3),
+ NV10_PGRAPH_CTX_CACHE(1, 4),
+ NV10_PGRAPH_CTX_CACHE(2, 0),
+ NV10_PGRAPH_CTX_CACHE(2, 1),
+ NV10_PGRAPH_CTX_CACHE(2, 2),
+ NV10_PGRAPH_CTX_CACHE(2, 3),
+ NV10_PGRAPH_CTX_CACHE(2, 4),
+ NV10_PGRAPH_CTX_CACHE(3, 0),
+ NV10_PGRAPH_CTX_CACHE(3, 1),
+ NV10_PGRAPH_CTX_CACHE(3, 2),
+ NV10_PGRAPH_CTX_CACHE(3, 3),
+ NV10_PGRAPH_CTX_CACHE(3, 4),
+ NV10_PGRAPH_CTX_CACHE(4, 0),
+ NV10_PGRAPH_CTX_CACHE(4, 1),
+ NV10_PGRAPH_CTX_CACHE(4, 2),
+ NV10_PGRAPH_CTX_CACHE(4, 3),
+ NV10_PGRAPH_CTX_CACHE(4, 4),
+ NV10_PGRAPH_CTX_CACHE(5, 0),
+ NV10_PGRAPH_CTX_CACHE(5, 1),
+ NV10_PGRAPH_CTX_CACHE(5, 2),
+ NV10_PGRAPH_CTX_CACHE(5, 3),
+ NV10_PGRAPH_CTX_CACHE(5, 4),
+ NV10_PGRAPH_CTX_CACHE(6, 0),
+ NV10_PGRAPH_CTX_CACHE(6, 1),
+ NV10_PGRAPH_CTX_CACHE(6, 2),
+ NV10_PGRAPH_CTX_CACHE(6, 3),
+ NV10_PGRAPH_CTX_CACHE(6, 4),
+ NV10_PGRAPH_CTX_CACHE(7, 0),
+ NV10_PGRAPH_CTX_CACHE(7, 1),
+ NV10_PGRAPH_CTX_CACHE(7, 2),
+ NV10_PGRAPH_CTX_CACHE(7, 3),
+ NV10_PGRAPH_CTX_CACHE(7, 4),
NV10_PGRAPH_CTX_USER,
NV04_PGRAPH_DMA_START_0,
NV04_PGRAPH_DMA_START_1,
@@ -653,6 +653,78 @@ static int nv17_graph_ctx_regs_find_offset(struct drm_device *dev, int reg)
return -1;
}
+static void nv10_graph_load_dma_vtxbuf(struct nouveau_channel *chan,
+ uint32_t inst)
+{
+ struct drm_device *dev = chan->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
+ uint32_t st2, st2_dl, st2_dh, fifo_ptr, fifo[0x60/4];
+ uint32_t ctx_user, ctx_switch[5];
+ int i, subchan = -1;
+
+ /* NV10TCL_DMA_VTXBUF (method 0x18c) modifies hidden state
+ * that cannot be restored via MMIO. Do it through the FIFO
+ * instead.
+ */
+
+ /* Look for a celsius object */
+ for (i = 0; i < 8; i++) {
+ int class = nv_rd32(dev, NV10_PGRAPH_CTX_CACHE(i, 0)) & 0xfff;
+
+ if (class == 0x56 || class == 0x96 || class == 0x99) {
+ subchan = i;
+ break;
+ }
+ }
+
+ if (subchan < 0 || !inst)
+ return;
+
+ /* Save the current ctx object */
+ ctx_user = nv_rd32(dev, NV10_PGRAPH_CTX_USER);
+ for (i = 0; i < 5; i++)
+ ctx_switch[i] = nv_rd32(dev, NV10_PGRAPH_CTX_SWITCH(i));
+
+ /* Save the FIFO state */
+ st2 = nv_rd32(dev, NV10_PGRAPH_FFINTFC_ST2);
+ st2_dl = nv_rd32(dev, NV10_PGRAPH_FFINTFC_ST2_DL);
+ st2_dh = nv_rd32(dev, NV10_PGRAPH_FFINTFC_ST2_DH);
+ fifo_ptr = nv_rd32(dev, NV10_PGRAPH_FFINTFC_FIFO_PTR);
+
+ for (i = 0; i < ARRAY_SIZE(fifo); i++)
+ fifo[i] = nv_rd32(dev, 0x4007a0 + 4 * i);
+
+ /* Switch to the celsius subchannel */
+ for (i = 0; i < 5; i++)
+ nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH(i),
+ nv_rd32(dev, NV10_PGRAPH_CTX_CACHE(subchan, i)));
+ nv_mask(dev, NV10_PGRAPH_CTX_USER, 0xe000, subchan << 13);
+
+ /* Inject NV10TCL_DMA_VTXBUF */
+ nv_wr32(dev, NV10_PGRAPH_FFINTFC_FIFO_PTR, 0);
+ nv_wr32(dev, NV10_PGRAPH_FFINTFC_ST2,
+ 0x2c000000 | chan->id << 20 | subchan << 16 | 0x18c);
+ nv_wr32(dev, NV10_PGRAPH_FFINTFC_ST2_DL, inst);
+ nv_mask(dev, NV10_PGRAPH_CTX_CONTROL, 0, 0x10000);
+ pgraph->fifo_access(dev, true);
+ pgraph->fifo_access(dev, false);
+
+ /* Restore the FIFO state */
+ for (i = 0; i < ARRAY_SIZE(fifo); i++)
+ nv_wr32(dev, 0x4007a0 + 4 * i, fifo[i]);
+
+ nv_wr32(dev, NV10_PGRAPH_FFINTFC_FIFO_PTR, fifo_ptr);
+ nv_wr32(dev, NV10_PGRAPH_FFINTFC_ST2, st2);
+ nv_wr32(dev, NV10_PGRAPH_FFINTFC_ST2_DL, st2_dl);
+ nv_wr32(dev, NV10_PGRAPH_FFINTFC_ST2_DH, st2_dh);
+
+ /* Restore the current ctx object */
+ for (i = 0; i < 5; i++)
+ nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH(i), ctx_switch[i]);
+ nv_wr32(dev, NV10_PGRAPH_CTX_USER, ctx_user);
+}
+
int nv10_graph_load_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
@@ -670,6 +742,8 @@ int nv10_graph_load_context(struct nouveau_channel *chan)
}
nv10_graph_load_pipe(chan);
+ nv10_graph_load_dma_vtxbuf(chan, (nv_rd32(dev, NV10_PGRAPH_GLOBALSTATE1)
+ & 0xffff));
nv_wr32(dev, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
tmp = nv_rd32(dev, NV10_PGRAPH_CTX_USER);
@@ -856,11 +930,12 @@ int nv10_graph_init(struct drm_device *dev)
for (i = 0; i < NV10_PFB_TILE__SIZE; i++)
nv10_graph_set_region_tiling(dev, i, 0, 0, 0);
- nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH1, 0x00000000);
- nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH2, 0x00000000);
- nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH3, 0x00000000);
- nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH4, 0x00000000);
- nv_wr32(dev, NV10_PGRAPH_STATE , 0xFFFFFFFF);
+ nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH(0), 0x00000000);
+ nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH(1), 0x00000000);
+ nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH(2), 0x00000000);
+ nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH(3), 0x00000000);
+ nv_wr32(dev, NV10_PGRAPH_CTX_SWITCH(4), 0x00000000);
+ nv_wr32(dev, NV10_PGRAPH_STATE, 0xFFFFFFFF);
tmp = nv_rd32(dev, NV10_PGRAPH_CTX_USER) & 0x00ffffff;
tmp |= (dev_priv->engine.fifo.channels - 1) << 24;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-23 05:14:16 +0000