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path: root/drivers/gpu/drm/nouveau/nouveau_bo.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c290
1 files changed, 194 insertions, 96 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index f6f44779d82f..80353e2b8409 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -36,21 +36,6 @@
#include <linux/log2.h>
#include <linux/slab.h>
-int
-nouveau_bo_sync_gpu(struct nouveau_bo *nvbo, struct nouveau_channel *chan)
-{
- struct nouveau_fence *prev_fence = nvbo->bo.sync_obj;
- int ret;
-
- if (!prev_fence || nouveau_fence_channel(prev_fence) == chan)
- return 0;
-
- spin_lock(&nvbo->bo.lock);
- ret = ttm_bo_wait(&nvbo->bo, false, false, false);
- spin_unlock(&nvbo->bo.lock);
- return ret;
-}
-
static void
nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
{
@@ -58,8 +43,6 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
struct drm_device *dev = dev_priv->dev;
struct nouveau_bo *nvbo = nouveau_bo(bo);
- ttm_bo_kunmap(&nvbo->kmap);
-
if (unlikely(nvbo->gem))
DRM_ERROR("bo %p still attached to GEM object\n", bo);
@@ -164,8 +147,6 @@ nouveau_bo_new(struct drm_device *dev, struct nouveau_channel *chan,
nouveau_bo_fixup_align(dev, tile_mode, tile_flags, &align, &size);
align >>= PAGE_SHIFT;
- nvbo->placement.fpfn = 0;
- nvbo->placement.lpfn = mappable ? dev_priv->fb_mappable_pages : 0;
nouveau_bo_placement_set(nvbo, flags, 0);
nvbo->channel = chan;
@@ -305,7 +286,8 @@ nouveau_bo_map(struct nouveau_bo *nvbo)
void
nouveau_bo_unmap(struct nouveau_bo *nvbo)
{
- ttm_bo_kunmap(&nvbo->kmap);
+ if (nvbo)
+ ttm_bo_kunmap(&nvbo->kmap);
}
u16
@@ -399,14 +381,19 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
man->default_caching = TTM_PL_FLAG_CACHED;
break;
case TTM_PL_VRAM:
+ man->func = &ttm_bo_manager_func;
man->flags = TTM_MEMTYPE_FLAG_FIXED |
TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
- man->gpu_offset = dev_priv->vm_vram_base;
+ if (dev_priv->card_type == NV_50)
+ man->gpu_offset = 0x40000000;
+ else
+ man->gpu_offset = 0;
break;
case TTM_PL_TT:
+ man->func = &ttm_bo_manager_func;
switch (dev_priv->gart_info.type) {
case NOUVEAU_GART_AGP:
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
@@ -469,19 +456,26 @@ nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan,
if (ret)
return ret;
- ret = ttm_bo_move_accel_cleanup(&nvbo->bo, fence, NULL,
- evict || (nvbo->channel &&
- nvbo->channel != chan),
+ if (nvbo->channel) {
+ ret = nouveau_fence_sync(fence, nvbo->channel);
+ if (ret)
+ goto out;
+ }
+
+ ret = ttm_bo_move_accel_cleanup(&nvbo->bo, fence, NULL, evict,
no_wait_reserve, no_wait_gpu, new_mem);
+out:
nouveau_fence_unref((void *)&fence);
return ret;
}
static inline uint32_t
-nouveau_bo_mem_ctxdma(struct nouveau_bo *nvbo, struct nouveau_channel *chan,
- struct ttm_mem_reg *mem)
+nouveau_bo_mem_ctxdma(struct ttm_buffer_object *bo,
+ struct nouveau_channel *chan, struct ttm_mem_reg *mem)
{
- if (chan == nouveau_bdev(nvbo->bo.bdev)->channel) {
+ struct nouveau_bo *nvbo = nouveau_bo(bo);
+
+ if (nvbo->no_vm) {
if (mem->mem_type == TTM_PL_TT)
return NvDmaGART;
return NvDmaVRAM;
@@ -493,86 +487,181 @@ nouveau_bo_mem_ctxdma(struct nouveau_bo *nvbo, struct nouveau_channel *chan,
}
static int
-nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
- bool no_wait_reserve, bool no_wait_gpu,
- struct ttm_mem_reg *new_mem)
+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)
{
- struct nouveau_bo *nvbo = nouveau_bo(bo);
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
- struct ttm_mem_reg *old_mem = &bo->mem;
- struct nouveau_channel *chan;
- uint64_t src_offset, dst_offset;
- uint32_t page_count;
+ struct nouveau_bo *nvbo = nouveau_bo(bo);
+ u64 length = (new_mem->num_pages << PAGE_SHIFT);
+ u64 src_offset, dst_offset;
int ret;
- chan = nvbo->channel;
- if (!chan || nvbo->tile_flags || nvbo->no_vm)
- chan = dev_priv->channel;
-
- src_offset = old_mem->mm_node->start << PAGE_SHIFT;
- dst_offset = new_mem->mm_node->start << PAGE_SHIFT;
- if (chan != dev_priv->channel) {
- if (old_mem->mem_type == TTM_PL_TT)
- src_offset += dev_priv->vm_gart_base;
- else
+ src_offset = old_mem->start << PAGE_SHIFT;
+ dst_offset = new_mem->start << PAGE_SHIFT;
+ if (!nvbo->no_vm) {
+ if (old_mem->mem_type == TTM_PL_VRAM)
src_offset += dev_priv->vm_vram_base;
-
- if (new_mem->mem_type == TTM_PL_TT)
- dst_offset += dev_priv->vm_gart_base;
else
+ src_offset += dev_priv->vm_gart_base;
+
+ if (new_mem->mem_type == TTM_PL_VRAM)
dst_offset += dev_priv->vm_vram_base;
+ else
+ dst_offset += dev_priv->vm_gart_base;
}
ret = RING_SPACE(chan, 3);
if (ret)
return ret;
- BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_DMA_SOURCE, 2);
- OUT_RING(chan, nouveau_bo_mem_ctxdma(nvbo, chan, old_mem));
- OUT_RING(chan, nouveau_bo_mem_ctxdma(nvbo, chan, new_mem));
- if (dev_priv->card_type >= NV_50) {
- ret = RING_SPACE(chan, 4);
+ BEGIN_RING(chan, NvSubM2MF, 0x0184, 2);
+ OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, old_mem));
+ OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, new_mem));
+
+ while (length) {
+ u32 amount, stride, height;
+
+ amount = min(length, (u64)(4 * 1024 * 1024));
+ stride = 16 * 4;
+ height = amount / stride;
+
+ if (new_mem->mem_type == TTM_PL_VRAM && nvbo->tile_flags) {
+ ret = RING_SPACE(chan, 8);
+ if (ret)
+ return ret;
+
+ BEGIN_RING(chan, NvSubM2MF, 0x0200, 7);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, stride);
+ OUT_RING (chan, height);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 0);
+ } else {
+ ret = RING_SPACE(chan, 2);
+ if (ret)
+ return ret;
+
+ BEGIN_RING(chan, NvSubM2MF, 0x0200, 1);
+ OUT_RING (chan, 1);
+ }
+ if (old_mem->mem_type == TTM_PL_VRAM && nvbo->tile_flags) {
+ ret = RING_SPACE(chan, 8);
+ if (ret)
+ return ret;
+
+ BEGIN_RING(chan, NvSubM2MF, 0x021c, 7);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, stride);
+ OUT_RING (chan, height);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 0);
+ } else {
+ ret = RING_SPACE(chan, 2);
+ if (ret)
+ return ret;
+
+ BEGIN_RING(chan, NvSubM2MF, 0x021c, 1);
+ OUT_RING (chan, 1);
+ }
+
+ ret = RING_SPACE(chan, 14);
if (ret)
return ret;
- BEGIN_RING(chan, NvSubM2MF, 0x0200, 1);
- OUT_RING(chan, 1);
- BEGIN_RING(chan, NvSubM2MF, 0x021c, 1);
- OUT_RING(chan, 1);
+
+ BEGIN_RING(chan, NvSubM2MF, 0x0238, 2);
+ OUT_RING (chan, upper_32_bits(src_offset));
+ OUT_RING (chan, upper_32_bits(dst_offset));
+ BEGIN_RING(chan, NvSubM2MF, 0x030c, 8);
+ OUT_RING (chan, lower_32_bits(src_offset));
+ OUT_RING (chan, lower_32_bits(dst_offset));
+ OUT_RING (chan, stride);
+ OUT_RING (chan, stride);
+ OUT_RING (chan, stride);
+ OUT_RING (chan, height);
+ OUT_RING (chan, 0x00000101);
+ OUT_RING (chan, 0x00000000);
+ BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
+ OUT_RING (chan, 0);
+
+ length -= amount;
+ src_offset += amount;
+ dst_offset += amount;
}
+ return 0;
+}
+
+static int
+nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem)
+{
+ u32 src_offset = old_mem->start << PAGE_SHIFT;
+ u32 dst_offset = new_mem->start << PAGE_SHIFT;
+ u32 page_count = new_mem->num_pages;
+ int ret;
+
+ ret = RING_SPACE(chan, 3);
+ if (ret)
+ return ret;
+
+ BEGIN_RING(chan, NvSubM2MF, 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));
+
page_count = new_mem->num_pages;
while (page_count) {
int line_count = (page_count > 2047) ? 2047 : page_count;
- if (dev_priv->card_type >= NV_50) {
- ret = RING_SPACE(chan, 3);
- if (ret)
- return ret;
- BEGIN_RING(chan, NvSubM2MF, 0x0238, 2);
- OUT_RING(chan, upper_32_bits(src_offset));
- OUT_RING(chan, upper_32_bits(dst_offset));
- }
ret = RING_SPACE(chan, 11);
if (ret)
return ret;
+
BEGIN_RING(chan, NvSubM2MF,
NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);
- OUT_RING(chan, lower_32_bits(src_offset));
- OUT_RING(chan, lower_32_bits(dst_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);
- OUT_RING(chan, (1<<8)|(1<<0));
- OUT_RING(chan, 0);
+ OUT_RING (chan, src_offset);
+ OUT_RING (chan, dst_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);
+ OUT_RING (chan, 0x00000101);
+ OUT_RING (chan, 0x00000000);
BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
- OUT_RING(chan, 0);
+ OUT_RING (chan, 0);
page_count -= line_count;
src_offset += (PAGE_SIZE * line_count);
dst_offset += (PAGE_SIZE * line_count);
}
+ return 0;
+}
+
+static int
+nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
+ bool no_wait_reserve, bool no_wait_gpu,
+ struct ttm_mem_reg *new_mem)
+{
+ struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
+ struct nouveau_bo *nvbo = nouveau_bo(bo);
+ struct nouveau_channel *chan;
+ int ret;
+
+ chan = nvbo->channel;
+ if (!chan || nvbo->no_vm)
+ chan = dev_priv->channel;
+
+ if (dev_priv->card_type < NV_50)
+ ret = nv04_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
+ else
+ ret = nv50_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
+ if (ret)
+ return ret;
+
return nouveau_bo_move_accel_cleanup(chan, nvbo, evict, no_wait_reserve, no_wait_gpu, new_mem);
}
@@ -606,12 +695,7 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
ret = ttm_bo_move_ttm(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
out:
- if (tmp_mem.mm_node) {
- spin_lock(&bo->bdev->glob->lru_lock);
- drm_mm_put_block(tmp_mem.mm_node);
- spin_unlock(&bo->bdev->glob->lru_lock);
- }
-
+ ttm_bo_mem_put(bo, &tmp_mem);
return ret;
}
@@ -644,12 +728,7 @@ nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
goto out;
out:
- if (tmp_mem.mm_node) {
- spin_lock(&bo->bdev->glob->lru_lock);
- drm_mm_put_block(tmp_mem.mm_node);
- spin_unlock(&bo->bdev->glob->lru_lock);
- }
-
+ ttm_bo_mem_put(bo, &tmp_mem);
return ret;
}
@@ -669,7 +748,7 @@ nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem,
return 0;
}
- offset = new_mem->mm_node->start << PAGE_SHIFT;
+ offset = new_mem->start << PAGE_SHIFT;
if (dev_priv->card_type == NV_50) {
ret = nv50_mem_vm_bind_linear(dev,
@@ -719,12 +798,6 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
if (ret)
return ret;
- /* Software copy if the card isn't up and running yet. */
- if (!dev_priv->channel) {
- ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
- goto out;
- }
-
/* Fake bo copy. */
if (old_mem->mem_type == TTM_PL_SYSTEM && !bo->ttm) {
BUG_ON(bo->mem.mm_node != NULL);
@@ -733,6 +806,12 @@ 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) {
+ ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
+ goto out;
+ }
+
/* Hardware assisted copy. */
if (new_mem->mem_type == TTM_PL_SYSTEM)
ret = nouveau_bo_move_flipd(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
@@ -783,14 +862,14 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
case TTM_PL_TT:
#if __OS_HAS_AGP
if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
- mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+ mem->bus.offset = mem->start << PAGE_SHIFT;
mem->bus.base = dev_priv->gart_info.aper_base;
mem->bus.is_iomem = true;
}
#endif
break;
case TTM_PL_VRAM:
- mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+ mem->bus.offset = mem->start << PAGE_SHIFT;
mem->bus.base = pci_resource_start(dev->pdev, 1);
mem->bus.is_iomem = true;
break;
@@ -808,7 +887,26 @@ nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
static int
nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
{
- return 0;
+ struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
+ struct nouveau_bo *nvbo = nouveau_bo(bo);
+
+ /* as long as the bo isn't in vram, and isn't tiled, we've got
+ * nothing to do here.
+ */
+ if (bo->mem.mem_type != TTM_PL_VRAM) {
+ if (dev_priv->card_type < NV_50 || !nvbo->tile_flags)
+ return 0;
+ }
+
+ /* make sure bo is in mappable vram */
+ if (bo->mem.start + bo->mem.num_pages < dev_priv->fb_mappable_pages)
+ return 0;
+
+
+ nvbo->placement.fpfn = 0;
+ nvbo->placement.lpfn = dev_priv->fb_mappable_pages;
+ nouveau_bo_placement_set(nvbo, TTM_PL_VRAM, 0);
+ return ttm_bo_validate(bo, &nvbo->placement, false, true, false);
}
struct ttm_bo_driver nouveau_bo_driver = {