summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-05-13 08:19:37 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-05-13 08:19:37 +0200
commit991919e969043a4422dfebbcadf600a5d28b94e4 (patch)
tree4776f9f162c665a9735198fafc466d3e49a14253 /drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
parent73ed6faed58e5611abfb54c2f703eec091781d63 (diff)
parent82f2b0b97b36ee3fcddf0f0780a9a0825d52fec3 (diff)
Merge 6.15-rc6 into char-misc-next
We need the iio/hyperv fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index e6913fcf2c7be..44e120f9f7649 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -199,6 +199,11 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach,
break;
case TTM_PL_VRAM:
+ /* XGMI-accessible memory should never be DMA-mapped */
+ if (WARN_ON(amdgpu_dmabuf_is_xgmi_accessible(
+ dma_buf_attach_adev(attach), bo)))
+ return ERR_PTR(-EINVAL);
+
r = amdgpu_vram_mgr_alloc_sgt(adev, bo->tbo.resource, 0,
bo->tbo.base.size, attach->dev,
dir, &sgt);