This is a note to let you know that I've just added the patch titled
drm/msm: Fix MSM_INFO_GET_IOVA with carveout
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-msm-fix-msm_info_get_iova-with-carveout.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 5ad972be7aa5595d9e890507775778054e51f9dc
Author: Iskren Chernev <iskren.chernev@xxxxxxxxx>
Date: Sat Jan 2 22:24:37 2021 +0200
drm/msm: Fix MSM_INFO_GET_IOVA with carveout
[ Upstream commit 6cefa31e810404dafdfcdb94874146cea11626c2 ]
The msm_gem_get_iova should be guarded with gpu != NULL and not aspace
!= NULL, because aspace is NULL when using vram carveout.
Fixes: 933415e24bd0d ("drm/msm: Add support for private address space instances")
Signed-off-by: Iskren Chernev <iskren.chernev@xxxxxxxxx>
Tested-by: Alexey Minnekhanov <alexeymin@xxxxxxxxxxxxxxxx>
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index d556c353e5aea..3d0adfa6736a5 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -775,9 +775,10 @@ static int msm_ioctl_gem_info_iova(struct drm_device *dev,
struct drm_file *file, struct drm_gem_object *obj,
uint64_t *iova)
{
+ struct msm_drm_private *priv = dev->dev_private;
struct msm_file_private *ctx = file->driver_priv;
- if (!ctx->aspace)
+ if (!priv->gpu)
return -EINVAL;
/*
