drm/nv17/fence: split from nv10 code

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

5 files changed, 158 insertions, 98 deletions

diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index e0bd21a99de8..4208db9b1388 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -207,7 +207,8 @@ nouveau-y += nouveau_drm.o nouveau_chan.o nouveau_dma.o nouveau_fence.o
 nouveau-y += nouveau_irq.o nouveau_vga.o nouveau_agp.o
 nouveau-y += nouveau_ttm.o nouveau_sgdma.o nouveau_bo.o nouveau_gem.o
 nouveau-y += nouveau_prime.o nouveau_abi16.o
-nouveau-y += nv04_fence.o nv10_fence.o nv50_fence.o nv84_fence.o nvc0_fence.o
+nouveau-y += nv04_fence.o nv10_fence.o nv17_fence.o
+nouveau-y += nv50_fence.o nv84_fence.o nvc0_fence.o
 
 # drm/kms
 nouveau-y += nouveau_bios.o nouveau_fbcon.o nouveau_display.o
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index ce91c8d43bb7..f9144910b78e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -160,7 +160,8 @@ nouveau_accel_init(struct nouveau_drm *drm)
 
         /* initialise synchronisation routines */
         if      (device->card_type < NV_10) ret = nv04_fence_create(drm);
-        else if (device->card_type < NV_50) ret = nv10_fence_create(drm);
+        else if (device->chipset   <  0x17) ret = nv10_fence_create(drm);
+        else if (device->card_type < NV_50) ret = nv17_fence_create(drm);
         else if (device->chipset   <  0x84) ret = nv50_fence_create(drm);
         else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
         else                                ret = nvc0_fence_create(drm);
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h
index f1f0c6dfc3e8..fb0993c3dc39 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.h
@@ -65,6 +65,8 @@ u32  nv10_fence_read(struct nouveau_channel *);
 void nv10_fence_context_del(struct nouveau_channel *);
 void nv10_fence_destroy(struct nouveau_drm *);
 int  nv10_fence_create(struct nouveau_drm *);
+
+int  nv17_fence_create(struct nouveau_drm *);
 void nv17_fence_resume(struct nouveau_drm *drm);
 
 int nv50_fence_create(struct nouveau_drm *);
diff --git a/drivers/gpu/drm/nouveau/nv10_fence.c b/drivers/gpu/drm/nouveau/nv10_fence.c
index a8ea4af3ca76..e4f124a48d4e 100644
--- a/drivers/gpu/drm/nouveau/nv10_fence.c
+++ b/drivers/gpu/drm/nouveau/nv10_fence.c
@@ -50,45 +50,6 @@ nv10_fence_sync(struct nouveau_fence *fence,
         return -ENODEV;
 }
 
-int
-nv17_fence_sync(struct nouveau_fence *fence,
-                struct nouveau_channel *prev, struct nouveau_channel *chan)
-{
-        struct nv10_fence_priv *priv = chan->drm->fence;
-        u32 value;
-        int ret;
-
-        if (!mutex_trylock(&prev->cli->mutex))
-                return -EBUSY;
-
-        spin_lock(&priv->lock);
-        value = priv->sequence;
-        priv->sequence += 2;
-        spin_unlock(&priv->lock);
-
-        ret = RING_SPACE(prev, 5);
-        if (!ret) {
-                BEGIN_NV04(prev, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4);
-                OUT_RING  (prev, NvSema);
-                OUT_RING  (prev, 0);
-                OUT_RING  (prev, value + 0);
-                OUT_RING  (prev, value + 1);
-                FIRE_RING (prev);
-        }
-
-        if (!ret && !(ret = RING_SPACE(chan, 5))) {
-                BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4);
-                OUT_RING  (chan, NvSema);
-                OUT_RING  (chan, 0);
-                OUT_RING  (chan, value + 1);
-                OUT_RING  (chan, value + 2);
-                FIRE_RING (chan);
-        }
-
-        mutex_unlock(&prev->cli->mutex);
-        return 0;
-}
-
 u32
 nv10_fence_read(struct nouveau_channel *chan)
 {
@@ -104,39 +65,17 @@ nv10_fence_context_del(struct nouveau_channel *chan)
         kfree(fctx);
 }
 
-static int
+int
 nv10_fence_context_new(struct nouveau_channel *chan)
 {
-        struct nv10_fence_priv *priv = chan->drm->fence;
         struct nv10_fence_chan *fctx;
-        int ret = 0;
 
         fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
         if (!fctx)
                 return -ENOMEM;
 
         nouveau_fence_context_new(&fctx->base);
-
-        if (priv->bo) {
-                struct ttm_mem_reg *mem = &priv->bo->bo.mem;
-                struct nouveau_object *object;
-                u32 start = mem->start * PAGE_SIZE;
-                u32 limit = mem->start + mem->size - 1;
-
-                ret = nouveau_object_new(nv_object(chan->cli), chan->handle,
-                                         NvSema, 0x0002,
-                                         &(struct nv_dma_class) {
-                                                .flags = NV_DMA_TARGET_VRAM |
-                                                         NV_DMA_ACCESS_RDWR,
-                                                .start = start,
-                                                .limit = limit,
-                                         }, sizeof(struct nv_dma_class),
-                                         &object);
-        }
-
-        if (ret)
-                nv10_fence_context_del(chan);
-        return ret;
+        return 0;
 }
 
 void
@@ -151,18 +90,10 @@ nv10_fence_destroy(struct nouveau_drm *drm)
         kfree(priv);
 }
 
-void nv17_fence_resume(struct nouveau_drm *drm)
-{
-        struct nv10_fence_priv *priv = drm->fence;
-
-        nouveau_bo_wr32(priv->bo, 0, priv->sequence);
-}
-
 int
 nv10_fence_create(struct nouveau_drm *drm)
 {
         struct nv10_fence_priv *priv;
-        int ret = 0;
 
         priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL);
         if (!priv)
@@ -175,29 +106,5 @@ nv10_fence_create(struct nouveau_drm *drm)
         priv->base.read = nv10_fence_read;
         priv->base.sync = nv10_fence_sync;
         spin_lock_init(&priv->lock);
-
-        if (nv_device(drm->device)->chipset >= 0x17) {
-                ret = nouveau_bo_new(drm->dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
-                                     0, 0x0000, NULL, &priv->bo);
-                if (!ret) {
-                        ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM);
-                        if (!ret) {
-                                ret = nouveau_bo_map(priv->bo);
-                                if (ret)
-                                        nouveau_bo_unpin(priv->bo);
-                        }
-                        if (ret)
-                                nouveau_bo_ref(NULL, &priv->bo);
-                }
-
-                if (ret == 0) {
-                        nouveau_bo_wr32(priv->bo, 0x000, 0x00000000);
-                        priv->base.sync = nv17_fence_sync;
-                        priv->base.resume = nv17_fence_resume;
-                }
-        }
-
-        if (ret)
-                nv10_fence_destroy(drm);
-        return ret;
+        return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nv17_fence.c b/drivers/gpu/drm/nouveau/nv17_fence.c
new file mode 100644
index 000000000000..fe194451e0ad
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv17_fence.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2012 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 <bskeggs@redhat.com>
+ */
+
+#include <core/object.h>
+#include <core/class.h>
+
+#include "nouveau_drm.h"
+#include "nouveau_dma.h"
+#include "nv10_fence.h"
+
+int
+nv17_fence_sync(struct nouveau_fence *fence,
+                struct nouveau_channel *prev, struct nouveau_channel *chan)
+{
+        struct nv10_fence_priv *priv = chan->drm->fence;
+        u32 value;
+        int ret;
+
+        if (!mutex_trylock(&prev->cli->mutex))
+                return -EBUSY;
+
+        spin_lock(&priv->lock);
+        value = priv->sequence;
+        priv->sequence += 2;
+        spin_unlock(&priv->lock);
+
+        ret = RING_SPACE(prev, 5);
+        if (!ret) {
+                BEGIN_NV04(prev, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4);
+                OUT_RING  (prev, NvSema);
+                OUT_RING  (prev, 0);
+                OUT_RING  (prev, value + 0);
+                OUT_RING  (prev, value + 1);
+                FIRE_RING (prev);
+        }
+
+        if (!ret && !(ret = RING_SPACE(chan, 5))) {
+                BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4);
+                OUT_RING  (chan, NvSema);
+                OUT_RING  (chan, 0);
+                OUT_RING  (chan, value + 1);
+                OUT_RING  (chan, value + 2);
+                FIRE_RING (chan);
+        }
+
+        mutex_unlock(&prev->cli->mutex);
+        return 0;
+}
+
+static int
+nv17_fence_context_new(struct nouveau_channel *chan)
+{
+        struct nv10_fence_priv *priv = chan->drm->fence;
+        struct nv10_fence_chan *fctx;
+        struct ttm_mem_reg *mem = &priv->bo->bo.mem;
+        struct nouveau_object *object;
+        u32 start = mem->start * PAGE_SIZE;
+        u32 limit = mem->start + mem->size - 1;
+        int ret = 0;
+
+        fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
+        if (!fctx)
+                return -ENOMEM;
+
+        nouveau_fence_context_new(&fctx->base);
+
+        ret = nouveau_object_new(nv_object(chan->cli), chan->handle,
+                                 NvSema, 0x0002,
+                                 &(struct nv_dma_class) {
+                                        .flags = NV_DMA_TARGET_VRAM |
+                                                 NV_DMA_ACCESS_RDWR,
+                                        .start = start,
+                                        .limit = limit,
+                                 }, sizeof(struct nv_dma_class),
+                                 &object);
+        if (ret)
+                nv10_fence_context_del(chan);
+        return ret;
+}
+
+void
+nv17_fence_resume(struct nouveau_drm *drm)
+{
+        struct nv10_fence_priv *priv = drm->fence;
+
+        nouveau_bo_wr32(priv->bo, 0, priv->sequence);
+}
+
+int
+nv17_fence_create(struct nouveau_drm *drm)
+{
+        struct nv10_fence_priv *priv;
+        int ret = 0;
+
+        priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL);
+        if (!priv)
+                return -ENOMEM;
+
+        priv->base.dtor = nv10_fence_destroy;
+        priv->base.resume = nv17_fence_resume;
+        priv->base.context_new = nv17_fence_context_new;
+        priv->base.context_del = nv10_fence_context_del;
+        priv->base.emit = nv10_fence_emit;
+        priv->base.read = nv10_fence_read;
+        priv->base.sync = nv17_fence_sync;
+        spin_lock_init(&priv->lock);
+
+        ret = nouveau_bo_new(drm->dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
+                             0, 0x0000, NULL, &priv->bo);
+        if (!ret) {
+                ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM);
+                if (!ret) {
+                        ret = nouveau_bo_map(priv->bo);
+                        if (ret)
+                                nouveau_bo_unpin(priv->bo);
+                }
+                if (ret)
+                        nouveau_bo_ref(NULL, &priv->bo);
+        }
+
+        if (ret) {
+                nv10_fence_destroy(drm);
+                return ret;
+        }
+
+        nouveau_bo_wr32(priv->bo, 0x000, 0x00000000);
+        return ret;
+}