UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/radeon: fix semaphore value init 

Semaphore values have 64 bits, not 32. This fixes a very subtle bug
that disables synchronization when the upper 32bits wasn't zero.

Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Reviewed-By: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2014-09-07 12:06:52 +02:00 committed by Alex Deucher
parent b6c2b4faf9
commit f229407da7
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/radeon/radeon_semaphore.c
View File

@ -34,7 +34,7 @@
int radeon_semaphore_create(struct radeon_device *rdev,
struct radeon_semaphore **semaphore)
{
uint32_t *cpu_addr;
uint64_t *cpu_addr;
int i, r;
*semaphore = kmalloc(sizeof(struct radeon_semaphore), GFP_KERNEL);