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drm/radeon: make VM flushs a ring operation

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Move flushing the VMs as function into the rings.
First step to make VM operations async.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
This commit is contained in:
Christian König
2012-08-08 12:22:43 +02:00
committed by Alex Deucher
parent f82cbddddb
commit 9b40e5d842
8 changed files with 42 additions and 38 deletions
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15
drivers/gpu/drm/radeon/si.c
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@@ -2796,24 +2796,9 @@ int si_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm, int id)
else
WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((id - 8) << 2),
vm->pt_gpu_addr >> 12);
/* flush hdp cache */
WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
/* bits 0-15 are the VM contexts0-15 */
WREG32(VM_INVALIDATE_REQUEST, 1 << id);
return 0;
}
void si_vm_tlb_flush(struct radeon_device *rdev, struct radeon_vm *vm)
{
if (vm->id == -1)
return;
/* flush hdp cache */
WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
/* bits 0-15 are the VM contexts0-15 */
WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
}
/*
* RLC
*/