Am 27.05.2014 02:56, schrieb Marek Olšák:
From: Marek Olšák <marek.olsak@xxxxxxx>
It hangs the hardware.
Signed-off-by: Marek Olšák <marek.olsak@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
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;
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