On Sun, Sep 7, 2014 at 6:06 AM, Christian König deathsimple@vodafone.de wrote:
From: Christian König christian.koenig@amd.com
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
Applied to my fixes tree. thanks!
Alex
drivers/gpu/drm/radeon/radeon_semaphore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c index 56d9fd6..abd6753 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);-- 1.9.1
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