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authorBen Skeggs <bskeggs@redhat.com>2012-05-04 08:01:52 +0400
committerBen Skeggs <bskeggs@redhat.com>2012-05-24 10:56:16 +0400
commitd1b167e168bdac0b6af11e7a8c601773639fc419 (patch)
tree84af7888dc726609901bbf00ec179a77dfef6c26
parent78df3a1c585c8c95fd9a472125f0cd406e8617ce (diff)
downloadlinux-d1b167e168bdac0b6af11e7a8c601773639fc419.tar.xz
drm/nouveau/ttm: untangle code to support accelerated buffer moves
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c129
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_channel.c3
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dma.h6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drv.h6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_object.c1
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_state.c63
-rw-r--r--drivers/gpu/drm/nouveau/nv50_fbcon.c3
-rw-r--r--drivers/gpu/drm/nouveau/nve0_graph.c2
8 files changed, 119 insertions, 94 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 6d66314d16bd..6e78b1aaa74d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -36,6 +36,7 @@
#include "nouveau_mm.h"
#include "nouveau_vm.h"
#include "nouveau_fence.h"
+#include "nouveau_ramht.h"
#include <linux/log2.h>
#include <linux/slab.h>
@@ -511,6 +512,17 @@ nve0_bo_move_copy(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
}
static int
+nvc0_bo_move_init(struct nouveau_channel *chan, u32 handle)
+{
+ int ret = RING_SPACE(chan, 2);
+ if (ret == 0) {
+ BEGIN_NVC0(chan, NvSubCopy, 0x0000, 1);
+ OUT_RING (chan, handle);
+ }
+ return ret;
+}
+
+static int
nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem)
{
@@ -528,17 +540,17 @@ nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
if (ret)
return ret;
- BEGIN_NVC0(chan, NvSubM2MF, 0x0238, 2);
+ BEGIN_NVC0(chan, NvSubCopy, 0x0238, 2);
OUT_RING (chan, upper_32_bits(dst_offset));
OUT_RING (chan, lower_32_bits(dst_offset));
- BEGIN_NVC0(chan, NvSubM2MF, 0x030c, 6);
+ BEGIN_NVC0(chan, NvSubCopy, 0x030c, 6);
OUT_RING (chan, upper_32_bits(src_offset));
OUT_RING (chan, lower_32_bits(src_offset));
OUT_RING (chan, PAGE_SIZE); /* src_pitch */
OUT_RING (chan, PAGE_SIZE); /* dst_pitch */
OUT_RING (chan, PAGE_SIZE); /* line_length */
OUT_RING (chan, line_count);
- BEGIN_NVC0(chan, NvSubM2MF, 0x0300, 1);
+ BEGIN_NVC0(chan, NvSubCopy, 0x0300, 1);
OUT_RING (chan, 0x00100110);
page_count -= line_count;
@@ -550,6 +562,28 @@ nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
}
static int
+nv50_bo_move_init(struct nouveau_channel *chan, u32 handle)
+{
+ int ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000,
+ &chan->m2mf_ntfy);
+ if (ret == 0) {
+ ret = RING_SPACE(chan, 6);
+ if (ret == 0) {
+ BEGIN_NV04(chan, NvSubCopy, 0x0000, 1);
+ OUT_RING (chan, handle);
+ BEGIN_NV04(chan, NvSubCopy, 0x0180, 3);
+ OUT_RING (chan, NvNotify0);
+ OUT_RING (chan, NvDmaFB);
+ OUT_RING (chan, NvDmaFB);
+ } else {
+ nouveau_ramht_remove(chan, NvNotify0);
+ }
+ }
+
+ return ret;
+}
+
+static int
nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem)
{
@@ -573,7 +607,7 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
if (ret)
return ret;
- BEGIN_NV04(chan, NvSubM2MF, 0x0200, 7);
+ BEGIN_NV04(chan, NvSubCopy, 0x0200, 7);
OUT_RING (chan, 0);
OUT_RING (chan, 0);
OUT_RING (chan, stride);
@@ -586,7 +620,7 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
if (ret)
return ret;
- BEGIN_NV04(chan, NvSubM2MF, 0x0200, 1);
+ BEGIN_NV04(chan, NvSubCopy, 0x0200, 1);
OUT_RING (chan, 1);
}
if (old_mem->mem_type == TTM_PL_VRAM &&
@@ -595,7 +629,7 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
if (ret)
return ret;
- BEGIN_NV04(chan, NvSubM2MF, 0x021c, 7);
+ BEGIN_NV04(chan, NvSubCopy, 0x021c, 7);
OUT_RING (chan, 0);
OUT_RING (chan, 0);
OUT_RING (chan, stride);
@@ -608,7 +642,7 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
if (ret)
return ret;
- BEGIN_NV04(chan, NvSubM2MF, 0x021c, 1);
+ BEGIN_NV04(chan, NvSubCopy, 0x021c, 1);
OUT_RING (chan, 1);
}
@@ -616,10 +650,10 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
if (ret)
return ret;
- BEGIN_NV04(chan, NvSubM2MF, 0x0238, 2);
+ BEGIN_NV04(chan, NvSubCopy, 0x0238, 2);
OUT_RING (chan, upper_32_bits(src_offset));
OUT_RING (chan, upper_32_bits(dst_offset));
- BEGIN_NV04(chan, NvSubM2MF, 0x030c, 8);
+ BEGIN_NV04(chan, NvSubCopy, 0x030c, 8);
OUT_RING (chan, lower_32_bits(src_offset));
OUT_RING (chan, lower_32_bits(dst_offset));
OUT_RING (chan, stride);
@@ -628,7 +662,7 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
OUT_RING (chan, height);
OUT_RING (chan, 0x00000101);
OUT_RING (chan, 0x00000000);
- BEGIN_NV04(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
+ BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
OUT_RING (chan, 0);
length -= amount;
@@ -639,6 +673,24 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
return 0;
}
+static int
+nv04_bo_move_init(struct nouveau_channel *chan, u32 handle)
+{
+ int ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000,
+ &chan->m2mf_ntfy);
+ if (ret == 0) {
+ ret = RING_SPACE(chan, 4);
+ if (ret == 0) {
+ BEGIN_NV04(chan, NvSubCopy, 0x0000, 1);
+ OUT_RING (chan, handle);
+ BEGIN_NV04(chan, NvSubCopy, 0x0180, 1);
+ OUT_RING (chan, NvNotify0);
+ }
+ }
+
+ return ret;
+}
+
static inline uint32_t
nouveau_bo_mem_ctxdma(struct ttm_buffer_object *bo,
struct nouveau_channel *chan, struct ttm_mem_reg *mem)
@@ -661,7 +713,7 @@ nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
if (ret)
return ret;
- BEGIN_NV04(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_DMA_SOURCE, 2);
+ BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_DMA_SOURCE, 2);
OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, old_mem));
OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, new_mem));
@@ -673,7 +725,7 @@ nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
if (ret)
return ret;
- BEGIN_NV04(chan, NvSubM2MF,
+ BEGIN_NV04(chan, NvSubCopy,
NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);
OUT_RING (chan, src_offset);
OUT_RING (chan, dst_offset);
@@ -683,7 +735,7 @@ nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
OUT_RING (chan, line_count);
OUT_RING (chan, 0x00000101);
OUT_RING (chan, 0x00000000);
- BEGIN_NV04(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
+ BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
OUT_RING (chan, 0);
page_count -= line_count;
@@ -743,16 +795,7 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
goto out;
}
- if (dev_priv->card_type < NV_50)
- ret = nv04_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
- else
- if (dev_priv->card_type < NV_C0)
- ret = nv50_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
- else
- if (dev_priv->card_type < NV_E0)
- ret = nvc0_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
- else
- ret = nve0_bo_move_copy(chan, bo, &bo->mem, new_mem);
+ ret = dev_priv->ttm.move(chan, bo, &bo->mem, new_mem);
if (ret == 0) {
ret = nouveau_bo_move_accel_cleanup(chan, nvbo, evict,
no_wait_reserve,
@@ -764,6 +807,42 @@ out:
return ret;
}
+void
+nouveau_bo_move_init(struct nouveau_channel *chan)
+{
+ struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
+ static const struct {
+ const char *name;
+ u32 oclass;
+ int (*exec)(struct nouveau_channel *,
+ struct ttm_buffer_object *,
+ struct ttm_mem_reg *, struct ttm_mem_reg *);
+ int (*init)(struct nouveau_channel *, u32 handle);
+ } _methods[] = {
+ { "COPY", 0xa0b5, nve0_bo_move_copy, nvc0_bo_move_init },
+ { "M2MF", 0x9039, nvc0_bo_move_m2mf, nvc0_bo_move_init },
+ { "M2MF", 0x5039, nv50_bo_move_m2mf, nv50_bo_move_init },
+ { "M2MF", 0x0039, nv04_bo_move_m2mf, nv04_bo_move_init },
+ {}
+ }, *mthd = _methods;
+ const char *name = "CPU";
+ int ret;
+
+ do {
+ ret = nouveau_gpuobj_gr_new(chan, mthd->oclass, mthd->oclass);
+ if (ret == 0) {
+ ret = mthd->init(chan, mthd->oclass);
+ if (ret == 0) {
+ dev_priv->ttm.move = mthd->exec;
+ name = mthd->name;
+ break;
+ }
+ }
+ } while ((++mthd)->exec);
+
+ NV_INFO(chan->dev, "MM: using %s for buffer copies\n", name);
+}
+
static int
nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
bool no_wait_reserve, bool no_wait_gpu,
@@ -920,8 +999,8 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
goto out;
}
- /* Software copy if the card isn't up and running yet. */
- if (!dev_priv->channel) {
+ /* CPU copy if we have no accelerated method available */
+ if (!dev_priv->ttm.move) {
ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
goto out;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index 9420538d2374..629d8a2df5bd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -355,7 +355,7 @@ nouveau_channel_ref(struct nouveau_channel *chan,
*pchan = chan;
}
-void
+int
nouveau_channel_idle(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
@@ -370,6 +370,7 @@ nouveau_channel_idle(struct nouveau_channel *chan)
if (ret)
NV_ERROR(dev, "Failed to idle channel %d.\n", chan->id);
+ return ret;
}
/* cleans up all the fifos from file_priv */
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.h b/drivers/gpu/drm/nouveau/nouveau_dma.h
index b8838592d4e9..8db68be9544f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.h
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.h
@@ -48,13 +48,12 @@ void nv50_dma_push(struct nouveau_channel *, struct nouveau_bo *,
/* Hardcoded object assignments to subchannels (subchannel id). */
enum {
- NvSubM2MF = 0,
+ NvSubCtxSurf2D = 0,
NvSubSw = 1,
- NvSubCtxSurf2D = 2,
+ NvSubImageBlit = 2,
NvSub2D = 3,
NvSubGdiRect = 3,
NvSubCopy = 4,
- NvSubImageBlit = 4
};
/* Object handles. */
@@ -74,6 +73,7 @@ enum {
NvSema = 0x8000000f,
NvEvoSema0 = 0x80000010,
NvEvoSema1 = 0x80000011,
+ NvNotify1 = 0x80000012,
/* G80+ display objects */
NvEvoVRAM = 0x01000000,
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 1ede35491f54..634d222c93de 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -693,6 +693,9 @@ struct drm_nouveau_private {
struct ttm_bo_global_ref bo_global_ref;
struct ttm_bo_device bdev;
atomic_t validate_sequence;
+ int (*move)(struct nouveau_channel *,
+ struct ttm_buffer_object *,
+ struct ttm_mem_reg *, struct ttm_mem_reg *);
} ttm;
struct {
@@ -930,7 +933,7 @@ extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
extern void nouveau_channel_put(struct nouveau_channel **);
extern void nouveau_channel_ref(struct nouveau_channel *chan,
struct nouveau_channel **pchan);
-extern void nouveau_channel_idle(struct nouveau_channel *chan);
+extern int nouveau_channel_idle(struct nouveau_channel *chan);
/* nouveau_object.c */
#define NVOBJ_ENGINE_ADD(d, e, p) do { \
@@ -1322,6 +1325,7 @@ extern int nv04_crtc_create(struct drm_device *, int index);
/* nouveau_bo.c */
extern struct ttm_bo_driver nouveau_bo_driver;
+extern void nouveau_bo_move_init(struct nouveau_channel *);
extern int nouveau_bo_new(struct drm_device *, int size, int align,
uint32_t flags, uint32_t tile_mode,
uint32_t tile_flags,
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index d7e56ce410b0..a3f961d98992 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -508,7 +508,6 @@ nouveau_gpuobj_gr_new(struct nouveau_channel *chan, u32 handle, int class)
return eng->object_new(chan, oc->engine, handle, class);
}
- NV_ERROR(dev, "illegal object class: 0x%x\n", class);
return -EINVAL;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index e4e73a13a2b2..9b4c900a3f30 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -509,73 +509,16 @@ nouveau_card_channel_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan;
- int ret, oclass;
+ int ret;
ret = nouveau_channel_alloc(dev, &chan, NULL, NvDmaFB, NvDmaTT);
dev_priv->channel = chan;
if (ret)
return ret;
-
mutex_unlock(&dev_priv->channel->mutex);
- if (dev_priv->card_type <= NV_50) {
- if (dev_priv->card_type < NV_50)
- oclass = 0x0039;
- else
- oclass = 0x5039;
-
- ret = nouveau_gpuobj_gr_new(chan, NvM2MF, oclass);
- if (ret)
- goto error;
-
- ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000,
- &chan->m2mf_ntfy);
- if (ret)
- goto error;
-
- ret = RING_SPACE(chan, 6);
- if (ret)
- goto error;
-
- BEGIN_NV04(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NAME, 1);
- OUT_RING (chan, NvM2MF);
- BEGIN_NV04(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY, 3);
- OUT_RING (chan, NvNotify0);
- OUT_RING (chan, chan->vram_handle);
- OUT_RING (chan, chan->gart_handle);
- } else
- if (dev_priv->card_type <= NV_D0) {
- ret = nouveau_gpuobj_gr_new(chan, 0x9039, 0x9039);
- if (ret)
- goto error;
-
- ret = RING_SPACE(chan, 2);
- if (ret)
- goto error;
-
- BEGIN_NVC0(chan, NvSubM2MF, 0x0000, 1);
- OUT_RING (chan, 0x00009039);
- } else
- if (dev_priv->card_type <= NV_E0) {
- /* not used, but created to get a graph context */
- ret = nouveau_gpuobj_gr_new(chan, 0xa040, 0xa040);
- if (ret)
- goto error;
-
- /* bind strange copy engine to subchannel 4 (fixed...) */
- ret = RING_SPACE(chan, 2);
- if (ret)
- goto error;
-
- BEGIN_NVC0(chan, NvSubCopy, 0x0000, 1);
- OUT_RING (chan, 0x0000a0b5);
- }
-
- FIRE_RING (chan);
-error:
- if (ret)
- nouveau_card_channel_fini(dev);
- return ret;
+ nouveau_bo_move_init(chan);
+ return 0;
}
static const struct vga_switcheroo_client_ops nouveau_switcheroo_ops = {
diff --git a/drivers/gpu/drm/nouveau/nv50_fbcon.c b/drivers/gpu/drm/nouveau/nv50_fbcon.c
index 61747e0d1180..e3c8b05dcae4 100644
--- a/drivers/gpu/drm/nouveau/nv50_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c
@@ -201,8 +201,7 @@ nv50_fbcon_accel_init(struct fb_info *info)
BEGIN_NV04(chan, NvSub2D, 0x0000, 1);
OUT_RING(chan, Nv2D);
- BEGIN_NV04(chan, NvSub2D, 0x0180, 4);
- OUT_RING(chan, NvNotify0);
+ BEGIN_NV04(chan, NvSub2D, 0x0184, 3);
OUT_RING(chan, chan->vram_handle);
OUT_RING(chan, chan->vram_handle);
OUT_RING(chan, chan->vram_handle);
diff --git a/drivers/gpu/drm/nouveau/nve0_graph.c b/drivers/gpu/drm/nouveau/nve0_graph.c
index 41356274ca61..8a8051b68f10 100644
--- a/drivers/gpu/drm/nouveau/nve0_graph.c
+++ b/drivers/gpu/drm/nouveau/nve0_graph.c
@@ -822,7 +822,7 @@ nve0_graph_create(struct drm_device *dev)
NVOBJ_CLASS(dev, 0xa0c0, GR); /* subc 1: COMPUTE */
NVOBJ_CLASS(dev, 0xa040, GR); /* subc 2: P2MF */
NVOBJ_CLASS(dev, 0x902d, GR); /* subc 3: 2D */
- //NVOBJ_CLASS(dev, 0xa0b5, GR); /* subc 4: COPY */
+ NVOBJ_CLASS(dev, 0xa0b5, GR); /* subc 4: COPY */
return 0;
error: