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drm/radeon/kms: add support for compute rings in CS ioctl on SI 

Very basic implementation for picking the ring priority.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2012-03-20 17:18:24 -04:00 committed by Dave Airlie
parent 9b136d514e
commit 8d5ef7b1f6
1 changed files with 7 additions and 2 deletions
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7
drivers/gpu/drm/radeon/radeon_cs.c
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@ -103,7 +103,12 @@ static int radeon_cs_get_ring(struct radeon_cs_parser *p, u32 ring, s32 priority
p->ring = RADEON_RING_TYPE_GFX_INDEX;
break;
case RADEON_CS_RING_COMPUTE:
/* for now */
if (p->rdev->family >= CHIP_TAHITI) {
if (p->priority > 0)
p->ring = CAYMAN_RING_TYPE_CP1_INDEX;
else
p->ring = CAYMAN_RING_TYPE_CP2_INDEX;
} else
p->ring = RADEON_RING_TYPE_GFX_INDEX;
break;
}