diff options
| author | Christian König <christian.koenig@amd.com> | 2014-09-07 14:06:52 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-09-08 21:20:23 +0400 |
| commit | f229407da79315c18a2f25f485e1a1b9fdda1e92 (patch) | |
| tree | 7ed8363ba58fdc89095bbbfa1e27790f64eb0c42 /drivers/gpu/drm | |
| parent | b6c2b4faf90230ef9cf1a81f36cbccda4a606c59 (diff) | |
| download | linux-f229407da79315c18a2f25f485e1a1b9fdda1e92.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_semaphore.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c index 56d9fd66d8ae..abd6753a570a 100644 --- a/drivers/gpu/drm/radeon/radeon_semaphore.c +++ b/drivers/gpu/drm/radeon/radeon_semaphore.c @@ -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); |