Commit 007d978a authored by Christian König's avatar Christian König Committed by Greg Kroah-Hartman

drm/radeon: fix semaphore value init

commit f229407d 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: default avatarChristian König <christian.koenig@amd.com>
Reviewed-By: default avatarGrigori Goronzy <greg@chown.ath.cx>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 48b3c2fe
...@@ -34,7 +34,7 @@ ...@@ -34,7 +34,7 @@
int radeon_semaphore_create(struct radeon_device *rdev, int radeon_semaphore_create(struct radeon_device *rdev,
struct radeon_semaphore **semaphore) struct radeon_semaphore **semaphore)
{ {
uint32_t *cpu_addr; uint64_t *cpu_addr;
int i, r; int i, r;
*semaphore = kmalloc(sizeof(struct radeon_semaphore), GFP_KERNEL); *semaphore = kmalloc(sizeof(struct radeon_semaphore), GFP_KERNEL);
......
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