Wrong prefix, should be "drm/panfrost: ". I'll send a v2 (sorry for the
noise).
On Fri, 29 Nov 2019 14:39:20 +0100
Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx> wrote:
> I've spent hours chasing a memory corruption that was caused by
> insertion of an extra field field before ->base. Let's document the
> fact that base has to be the first field in panfrost_gem_object.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/panfrost/panfrost_gem.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.h b/drivers/gpu/drm/panfrost/panfrost_gem.h
> index e92ea67878ed..979dff1e7b07 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_gem.h
> +++ b/drivers/gpu/drm/panfrost/panfrost_gem.h
> @@ -10,6 +10,10 @@
> struct panfrost_mmu;
>
> struct panfrost_gem_object {
> + /*
> + * Must be the first element because we're using some of the
> + * drm_gem_shmem helpers.
> + */
> struct drm_gem_shmem_object base;
> struct sg_table *sgts;
>
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