| From | Kamal Mostafa <> | Subject | [PATCH 068/133] drm/nouveau: fix semaphore dmabuf obj | Date | Fri, 16 Aug 2013 15:33:30 -0700 |
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3.8.13.7 -stable review patch. If anyone has any objections, please let me know.
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From: Maarten Lankhorst <maarten.lankhorst@canonical.com>
commit 7a7da592cbb22a1d360638dbecc393470c5effe3 upstream.
Fixes some dmabuf object errors on nv50 chipset and below.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> [ kamal: backport to 3.8 ] Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/gpu/drm/nouveau/nv10_fence.c | 2 +- drivers/gpu/drm/nouveau/nv50_fence.c | 14 +++++++++----- 2 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nv10_fence.c b/drivers/gpu/drm/nouveau/nv10_fence.c index 03017f2..4f1d5d3 100644 --- a/drivers/gpu/drm/nouveau/nv10_fence.c +++ b/drivers/gpu/drm/nouveau/nv10_fence.c @@ -132,7 +132,7 @@ nv10_fence_context_new(struct nouveau_channel *chan) 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; + u32 limit = start + mem->size - 1; ret = nouveau_object_new(nv_object(chan->cli), chan->handle, NvSema, 0x0002, diff --git a/drivers/gpu/drm/nouveau/nv50_fence.c b/drivers/gpu/drm/nouveau/nv50_fence.c index d889f3a..923c7ef 100644 --- a/drivers/gpu/drm/nouveau/nv50_fence.c +++ b/drivers/gpu/drm/nouveau/nv50_fence.c @@ -50,6 +50,8 @@ nv50_fence_context_new(struct nouveau_channel *chan) struct nv50_fence_chan *fctx; struct ttm_mem_reg *mem = &priv->bo->bo.mem; struct nouveau_object *object; + u32 start = mem->start * PAGE_SIZE; + u32 limit = start + mem->size - 1; int ret, i; fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL); @@ -59,26 +61,28 @@ nv50_fence_context_new(struct nouveau_channel *chan) nouveau_fence_context_new(&fctx->base); ret = nouveau_object_new(nv_object(chan->cli), chan->handle, - NvSema, 0x0002, + NvSema, 0x003d, &(struct nv_dma_class) { .flags = NV_DMA_TARGET_VRAM | NV_DMA_ACCESS_RDWR, - .start = mem->start * PAGE_SIZE, - .limit = mem->size - 1, + .start = start, + .limit = limit, }, sizeof(struct nv_dma_class), &object); /* dma objects for display sync channel semaphore blocks */ for (i = 0; !ret && i < dev->mode_config.num_crtc; i++) { struct nouveau_bo *bo = nv50_display_crtc_sema(dev, i); + u32 start = bo->bo.mem.start * PAGE_SIZE; + u32 limit = start + bo->bo.mem.size - 1; ret = nouveau_object_new(nv_object(chan->cli), chan->handle, NvEvoSema0 + i, 0x003d, &(struct nv_dma_class) { .flags = NV_DMA_TARGET_VRAM | NV_DMA_ACCESS_RDWR, - .start = bo->bo.offset, - .limit = bo->bo.offset + 0xfff, + .start = start, + .limit = limit, }, sizeof(struct nv_dma_class), &object); } -- 1.8.1.2
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