diff options
| author | Marek Olšák <marek.olsak@amd.com> | 2014-05-27 02:56:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-09 11:14:00 -0700 |
| commit | 9ca04cfc664d6c7c9c23101da763d5ba871dd63b (patch) | |
| tree | b78e540c865c72c1f9f6873642f1b331a2596878 /drivers/gpu/drm | |
| parent | 0838b8d01790afe64eb3695650f78ac6a7437db0 (diff) | |
drm/radeon: don't allow RADEON_GEM_DOMAIN_CPU for command submission
commit ec65da385d46f63740c1c9230b891a6dcbd64c71 upstream.
It hangs the hardware.
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index fe36f1d9496d..60af3cda587b 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -96,6 +96,12 @@ 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].lobj.domain = domain; if (domain == RADEON_GEM_DOMAIN_VRAM) domain |= RADEON_GEM_DOMAIN_GTT; |