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| author | Christian König <christian.koenig@amd.com> | 2015-05-01 13:34:12 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-05-04 22:03:56 +0300 |
| commit | 013ead48a843442e63b9426e3bd5df18ca5d054a (patch) | |
| tree | 318af018652567b7e7e44f0980782f11488b86a3 /drivers/gpu/drm/radeon/uvd_v1_0.c | |
| parent | 71aee81937963ccb07b3fa1b912e4cc6cd77dfa8 (diff) | |
| download | linux-013ead48a843442e63b9426e3bd5df18ca5d054a.tar.xz | |
drm/radeon: disable semaphores for UVD V1 (v2)
Hardware doesn't seem to work correctly, just block userspace in this case.
v2: add missing defines
Bugs: https://bugs.freedesktop.org/show_bug.cgi?id=85320
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/uvd_v1_0.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/uvd_v1_0.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c index e72b3cb59358..c6b1cbca47fc 100644 --- a/drivers/gpu/drm/radeon/uvd_v1_0.c +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c @@ -466,18 +466,8 @@ bool uvd_v1_0_semaphore_emit(struct radeon_device *rdev, struct radeon_semaphore *semaphore, bool emit_wait) { - uint64_t addr = semaphore->gpu_addr; - - radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0)); - radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF); - - radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0)); - radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF); - - radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0)); - radeon_ring_write(ring, emit_wait ? 1 : 0); - - return true; + /* disable semaphores for UVD V1 hardware */ + return false; } /** |