Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-03 01:21:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/radeon: don't allow RADEON_GEM_DOMAIN_CPU for command submission

Browse Source 
It hangs the hardware.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Marek Olšák 2014-05-27 02:56:36 +02:00 committed by Christian König
parent 60a445405a
commit ec65da385d
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/radeon/radeon_cs.c
View File

@ -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;