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authorChristian König <christian.koenig@amd.com>2014-08-15 13:52:53 +0400
committerAlex Deucher <alexander.deucher@amd.com>2014-08-19 01:09:43 +0400
commit701e1e789142042144c8cc10b8f6d1554e960144 (patch)
tree709116dc7a7c3c34b038dd232abebcc81cc257f1 /drivers/gpu
parentc39502c5508fb0106167f80a037c444701faa65f (diff)
downloadlinux-701e1e789142042144c8cc10b8f6d1554e960144.tar.xz
drm/radeon: properly document reloc priority mask
Instead of hard coding the value properly document that this is an userspace interface. No intended functional change. Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index ee712c199b25..cb12df784d83 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -132,7 +132,8 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
* the buffers used for read only, which doubles the range
* to 0 to 31. 32 is reserved for the kernel driver.
*/
- priority = (r->flags & 0xf) * 2 + !!r->write_domain;
+ priority = (r->flags & RADEON_RELOC_PRIO_MASK) * 2
+ + !!r->write_domain;
/* the first reloc of an UVD job is the msg and that must be in
VRAM, also but everything into VRAM on AGP cards to avoid