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| author | Christian König <christian.koenig@amd.com> | 2013-11-12 12:58:06 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-11-15 21:56:16 +0100 |
| commit | 99b4f25122f43210278cde17a9d100906235a074 (patch) | |
| tree | b3ee3449910db8959699bf53785d0e50a86d7bb8 /drivers | |
| parent | drm/radeon: allow semaphore emission to fail (diff) | |
| download | linux-99b4f25122f43210278cde17a9d100906235a074.tar.xz linux-99b4f25122f43210278cde17a9d100906235a074.zip | |
drm/radeon: disable CIK CP semaphores for now
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/cik.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 811fc1b5b4b9..c1698978a8f1 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -3561,6 +3561,8 @@ bool cik_semaphore_ring_emit(struct radeon_device *rdev, struct radeon_semaphore *semaphore, bool emit_wait) { +/* TODO: figure out why semaphore cause lockups */ +#if 0 uint64_t addr = semaphore->gpu_addr; unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL; @@ -3569,6 +3571,9 @@ bool cik_semaphore_ring_emit(struct radeon_device *rdev, radeon_ring_write(ring, (upper_32_bits(addr) & 0xffff) | sel); return true; +#else + return false; +#endif } /** |