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Commit f229407d authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

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: default avatarChristian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Reviewed-By: default avatarGrigori Goronzy <greg@chown.ath.cx>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b6c2b4fa

drivers/gpu/drm/radeon/radeon_semaphore.c

+1 −1
Original line number Diff line number Diff line
@@ -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);