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drm/radeon/kms: add support for multiple fence queues v2

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For supporting multiple CP ring buffers, async DMA
engines and UVD.  We still need a way to synchronize
between engines.

v2 initialize unused fence driver ring to avoid issue in
   suspend/unload

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2011-08-25 13:39:48 -04:00
committed by Dave Airlie
parent 851a6bd99e
commit 7465280c07
20 changed files with 198 additions and 147 deletions
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4
drivers/gpu/drm/radeon/r300.c
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@@ -198,7 +198,7 @@ void r300_fence_ring_emit(struct radeon_device *rdev,
radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
radeon_ring_write(rdev, rdev->config.r300.hdp_cntl);
/* Emit fence sequence & fire IRQ */
radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
radeon_ring_write(rdev, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
radeon_ring_write(rdev, fence->seq);
radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
@@ -1518,7 +1518,7 @@ int r300_init(struct radeon_device *rdev)
/* initialize memory controller */
r300_mc_init(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
r = radeon_fence_driver_init(rdev, 1);
if (r)
return r;
r = radeon_irq_kms_init(rdev);