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| author | Christian König <christian.koenig@amd.com> | 2014-09-07 12:06:52 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-05 14:52:12 -0700 |
| commit | d23d04fb78d80205583f7968fb5d491db29b3f25 (patch) | |
| tree | 32f97cde5ec156029bd06a069d9af768c4211422 /drivers/gpu/drm/radeon | |
| parent | 20b3d5386751e331aa0ab0b4e474b1062ecb75df (diff) | |
| download | lwn-d23d04fb78d80205583f7968fb5d491db29b3f25.tar.gz lwn-d23d04fb78d80205583f7968fb5d491db29b3f25.zip | |
drm/radeon: fix semaphore value init
commit f229407da79315c18a2f25f485e1a1b9fdda1e92 upstream.
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>
Reviewed-By: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -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 9006b32d5eed..eb7b60047e86 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); |