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Diffstat (limited to 'linux-core/nouveau_buffer.c')
-rw-r--r--linux-core/nouveau_buffer.c257
1 files changed, 133 insertions, 124 deletions
diff --git a/linux-core/nouveau_buffer.c b/linux-core/nouveau_buffer.c
index bb9f6f41..41c50748 100644
--- a/linux-core/nouveau_buffer.c
+++ b/linux-core/nouveau_buffer.c
@@ -24,17 +24,29 @@
/*
* Authors: Dave Airlied <airlied@linux.ie>
* Jeremy Kolb <jkolb@brandeis.edu>
+ * Ben Skeggs
*/
#include "drmP.h"
#include "nouveau_drm.h"
#include "nouveau_drv.h"
-
-#ifdef NOUVEAU_HAVE_BUFFER
+#include "nouveau_dma.h"
struct drm_ttm_backend *nouveau_create_ttm_backend_entry(struct drm_device * dev)
{
- return drm_agp_init_ttm(dev);
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ switch (dev_priv->gart_info.type) {
+ case NOUVEAU_GART_AGP:
+ return drm_agp_init_ttm(dev);
+ case NOUVEAU_GART_SGDMA:
+ return nouveau_sgdma_init_ttm(dev);
+ default:
+ DRM_ERROR("Unknown GART type %d\n", dev_priv->gart_info.type);
+ break;
+ }
+
+ return NULL;
}
int nouveau_fence_types(struct drm_buffer_object *bo,
@@ -57,46 +69,67 @@ int nouveau_invalidate_caches(struct drm_device *dev, uint64_t buffer_flags)
}
int nouveau_init_mem_type(struct drm_device *dev,
- uint32_t type,
- struct drm_mem_type_manager *man)
+ uint32_t type,
+ struct drm_mem_type_manager *man)
{
- switch (type) {
- case DRM_BO_MEM_LOCAL:
- man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
- _DRM_FLAG_MEMTYPE_CACHED;
- man->drm_bus_maptype = 0;
- break;
-
- case DRM_BO_MEM_VRAM:
- man->flags = _DRM_FLAG_MEMTYPE_FIXED |
- _DRM_FLAG_MEMTYPE_MAPPABLE |
- _DRM_FLAG_NEEDS_IOREMAP;
- man->io_addr = NULL;
- man->drm_bus_maptype = _DRM_FRAME_BUFFER;
- man->io_offset = drm_get_resource_start(dev, 0);
- man->io_size = drm_get_resource_len(dev, 0);
- break;
-
- case DRM_BO_MEM_TT:
- if (!(drm_core_has_AGP(dev) && dev->agp)) {
- DRM_ERROR("AGP is not enabled for memory type %u\n",
- (unsigned)type);
- return -EINVAL;
- }
-
- man->io_offset = dev->agp->agp_info.aper_base;
- man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024;
- man->io_addr = NULL;
- man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
- _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP;
- man->drm_bus_maptype = _DRM_AGP;
- break;
-
- default:
- DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
- return -EINVAL;
- }
- return 0;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ switch (type) {
+ case DRM_BO_MEM_LOCAL:
+ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_MEMTYPE_CACHED;
+ man->drm_bus_maptype = 0;
+ break;
+
+ case DRM_BO_MEM_VRAM:
+ man->flags = _DRM_FLAG_MEMTYPE_FIXED |
+ _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_NEEDS_IOREMAP;
+ man->io_addr = NULL;
+ man->drm_bus_maptype = _DRM_FRAME_BUFFER;
+ man->io_offset = drm_get_resource_start(dev, 0);
+ man->io_size = drm_get_resource_len(dev, 0);
+ break;
+
+ case DRM_BO_MEM_PRIV0:
+ /* Unmappable VRAM */
+ man->flags = _DRM_FLAG_MEMTYPE_CMA;
+ man->drm_bus_maptype = 0;
+ break;
+
+ case DRM_BO_MEM_TT:
+ switch (dev_priv->gart_info.type) {
+ case NOUVEAU_GART_AGP:
+ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_MEMTYPE_CSELECT |
+ _DRM_FLAG_NEEDS_IOREMAP;
+ man->drm_bus_maptype = _DRM_AGP;
+ break;
+
+ case NOUVEAU_GART_SGDMA:
+ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_MEMTYPE_CSELECT |
+ _DRM_FLAG_MEMTYPE_CMA;
+ man->drm_bus_maptype = _DRM_SCATTER_GATHER;
+ break;
+
+ default:
+ DRM_ERROR("Unknown GART type: %d\n",
+ dev_priv->gart_info.type);
+ return -EINVAL;
+ }
+
+ man->io_offset = dev_priv->gart_info.aper_base;
+ man->io_size = dev_priv->gart_info.aper_size;
+ man->io_addr = NULL;
+ break;
+
+
+ default:
+ DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
+ return -EINVAL;
+ }
+ return 0;
}
uint32_t nouveau_evict_mask(struct drm_buffer_object *bo)
@@ -105,91 +138,63 @@ uint32_t nouveau_evict_mask(struct drm_buffer_object *bo)
case DRM_BO_MEM_LOCAL:
case DRM_BO_MEM_TT:
return DRM_BO_FLAG_MEM_LOCAL;
- case DRM_BO_MEM_VRAM:
- if (bo->mem.num_pages > 128)
- return DRM_BO_MEM_TT;
- else
- return DRM_BO_MEM_LOCAL;
default:
return DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_CACHED;
}
-
-}
-
-static void nouveau_emit_copy_blit(struct drm_device * dev,
- uint32_t src_offset,
- uint32_t dst_offset,
- uint32_t pages, int direction)
-{
- return;
+ return 0;
}
-static int nouveau_move_blit(struct drm_buffer_object *bo,
- int evict,
- int no_wait,
- struct drm_bo_mem_reg *new_mem)
+/* GPU-assisted copy using NV_MEMORY_TO_MEMORY_FORMAT, can access
+ * DRM_BO_MEM_{VRAM,PRIV0,TT} directly.
+ */
+static int
+nouveau_bo_move_m2mf(struct drm_buffer_object *bo, int evict, int no_wait,
+ struct drm_bo_mem_reg *new_mem)
{
+ struct drm_device *dev = bo->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_drm_channel *dchan = &dev_priv->channel;
struct drm_bo_mem_reg *old_mem = &bo->mem;
- int dir = 0;
+ uint32_t srch, dsth, page_count;
+
+ /* Can happen during init/takedown */
+ if (!dchan->chan)
+ return -EINVAL;
+
+ srch = old_mem->mem_type == DRM_BO_MEM_TT ? NvDmaTT : NvDmaFB;
+ dsth = new_mem->mem_type == DRM_BO_MEM_TT ? NvDmaTT : NvDmaFB;
+ if (srch != dchan->m2mf_dma_source || dsth != dchan->m2mf_dma_destin) {
+ dchan->m2mf_dma_source = srch;
+ dchan->m2mf_dma_destin = dsth;
+
+ BEGIN_RING(NvSubM2MF,
+ NV_MEMORY_TO_MEMORY_FORMAT_SET_DMA_SOURCE, 2);
+ OUT_RING (dchan->m2mf_dma_source);
+ OUT_RING (dchan->m2mf_dma_destin);
+ }
- if ((old_mem->mem_type == new_mem->mem_type) &&
- (new_mem->mm_node->start <
- old_mem->mm_node->start + old_mem->mm_node->size)) {
- dir = 1;
+ page_count = new_mem->num_pages;
+ while (page_count) {
+ int line_count = (page_count > 2047) ? 2047 : page_count;
+
+ BEGIN_RING(NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);
+ OUT_RING (old_mem->mm_node->start << PAGE_SHIFT);
+ OUT_RING (new_mem->mm_node->start << PAGE_SHIFT);
+ OUT_RING (PAGE_SIZE); /* src_pitch */
+ OUT_RING (PAGE_SIZE); /* dst_pitch */
+ OUT_RING (PAGE_SIZE); /* line_length */
+ OUT_RING (line_count);
+ OUT_RING ((1<<8)|(1<<0));
+ OUT_RING (0);
+ BEGIN_RING(NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
+ OUT_RING (0);
+
+ page_count -= line_count;
}
- nouveau_emit_copy_blit(bo->dev,
- old_mem->mm_node->start << PAGE_SHIFT,
- new_mem->mm_node->start << PAGE_SHIFT,
- new_mem->num_pages, dir);
-
- /* we don't need to cleanup out mess because our fences
- * are from userland. so this cleanup call is probably wrong.
- */
return drm_bo_move_accel_cleanup(bo, evict, no_wait, 0,
- DRM_FENCE_TYPE_EXE,
- 0,
- new_mem);
-
-}
-
-static int nouveau_move_flip(struct drm_buffer_object *bo,
- int evict,
- int no_wait,
- struct drm_bo_mem_reg *new_mem)
-{
- struct drm_device *dev = bo->dev;
- struct drm_bo_mem_reg tmp_mem;
- int ret;
-
- tmp_mem = *new_mem;
- tmp_mem.mm_node = NULL;
- tmp_mem.mask = DRM_BO_FLAG_MEM_TT |
- DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING;
-
- ret = drm_bo_mem_space(bo, &tmp_mem, no_wait);
- if (ret)
- return ret;
-
- ret = drm_bind_ttm(bo->ttm, tmp_mem.mm_node->start);
- if (ret)
- goto out_cleanup;
-
- ret = nouveau_move_blit(bo, 1, no_wait, &tmp_mem);
- if (ret)
- goto out_cleanup;
-
- ret = drm_bo_move_ttm(bo, evict, no_wait, new_mem);
-
-out_cleanup:
- if (tmp_mem.mm_node) {
- mutex_lock(&dev->struct_mutex);
- if (tmp_mem.mm_node != bo->pinned_node)
- drm_mm_put_block(tmp_mem.mm_node);
- tmp_mem.mm_node = NULL;
- mutex_unlock(&dev->struct_mutex);
- }
- return ret;
+ DRM_FENCE_TYPE_EXE,
+ 0, new_mem);
}
int nouveau_move(struct drm_buffer_object *bo,
@@ -199,17 +204,22 @@ int nouveau_move(struct drm_buffer_object *bo,
{
struct drm_bo_mem_reg *old_mem = &bo->mem;
- if (old_mem->mem_type == DRM_BO_MEM_LOCAL) {
- /* local to VRAM */
- return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+ if (new_mem->mem_type == DRM_BO_MEM_LOCAL) {
+ if (old_mem->mem_type == DRM_BO_MEM_LOCAL)
+ return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+#if 0
+ if (!nouveau_bo_move_flipd(bo, evict, no_wait, new_mem))
+#endif
+ return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
}
- else if (new_mem->mem_type == DRM_BO_MEM_LOCAL) {
- /* VRAM to local */
- /*if (nouveau_move_flip(bo, evict, no_wait, new_mem))*/
+ else if (old_mem->mem_type == DRM_BO_MEM_LOCAL) {
+#if 0
+ if (nouveau_bo_move_flips(bo, evict, no_wait, new_mem))
+#endif
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
}
else {
- /*if (nouveau_move_blit(bo, evict, no_wait, new_mem))*/
+ if (nouveau_bo_move_m2mf(bo, evict, no_wait, new_mem))
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
}
return 0;
@@ -220,4 +230,3 @@ void nouveau_flush_ttm(struct drm_ttm *ttm)
}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 20:13:26 +0000