From: Marek Olšák <marek.olsak@xxxxxxx>
It hangs the hardware.
Backported from ec65da385d46f63740c1c9230b891a6dcbd64c71.
Signed-off-by: Marek Olšák <marek.olsak@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Conflicts:
drivers/gpu/drm/radeon/radeon_cs.c
---
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 dfb5a1d..72d0357 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -97,6 +97,12 @@ 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;
--
1.9.1
--
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