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drm/radeon: allow semaphore emission to fail

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To workaround bugs and/or certain limits it's sometimes
useful to fall back to waiting on fences.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Christian König
2013-11-12 12:58:05 +01:00
committed by Alex Deucher
parent bd80c8ba99
commit 1654b817d8
17 changed files with 194 additions and 150 deletions
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3
drivers/gpu/drm/radeon/r100.c
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@@ -869,13 +869,14 @@ void r100_fence_ring_emit(struct radeon_device *rdev,
radeon_ring_write(ring, RADEON_SW_INT_FIRE);
}
void r100_semaphore_ring_emit(struct radeon_device *rdev,
bool r100_semaphore_ring_emit(struct radeon_device *rdev,
struct radeon_ring *ring,
struct radeon_semaphore *semaphore,
bool emit_wait)
{
/* Unused on older asics, since we don't have semaphores or multiple rings */
BUG();
return false;
}
int r100_copy_blit(struct radeon_device *rdev,