Am 27.05.2014 02:56, schrieb Marek Ol??k:
> From: Marek Ol??k <marek.olsak at amd.com>
>
> It hangs the hardware.
>
> Signed-off-by: Marek Ol??k <marek.olsak at amd.com>
Reviewed-by: Christian K?nig <christian.koenig at amd.com>
Maybe CC stable as well? Anyway going to add it to my 3.15 queue.
Christian.
> ---
> drivers/gpu/drm/radeon/radeon_cs.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_cs.c
> b/drivers/gpu/drm/radeon/radeon_cs.c
> index 2b6e0eb..2b78191 100644
> --- a/drivers/gpu/drm/radeon/radeon_cs.c
> +++ b/drivers/gpu/drm/radeon/radeon_cs.c
> @@ -152,6 +152,12 @@ static int radeon_cs_parser_relocs(struct
> radeon_cs_parser *p)
> uint32_t domain = r->write_domain ?
> r->write_domain : r->read_domains;
>
> + if (domain & RADEON_GEM_DOMAIN_CPU) {
> + DRM_ERROR("RADEON_GEM_DOMAIN_CPU is not valid "
> + "for command submission\n");
> + return -EINVAL;
> + }
> +
> p->relocs[i].domain = domain;
> if (domain == RADEON_GEM_DOMAIN_VRAM)
> domain |= RADEON_GEM_DOMAIN_GTT;
