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drm/radeon: use IBs for VM page table updates v2

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For very large page table updates, we can exceed the
size of the ring.  To avoid this, use an IB to perform
the page table update.

v2(ck): cleanup the IB infrastructure and the use it instead
        of filling the struct ourself.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Alex Deucher
2013-02-01 17:32:42 +01:00
parent 24178ec42b
commit 43f1214aa0
7 changed files with 105 additions and 94 deletions
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7
drivers/gpu/drm/radeon/radeon.h
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@@ -780,6 +780,7 @@ int radeon_ib_get(struct radeon_device *rdev, int ring,
struct radeon_ib *ib, struct radeon_vm *vm,
unsigned size);
void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
void radeon_ib_sync_to(struct radeon_ib *ib, struct radeon_fence *fence);
int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
struct radeon_ib *const_ib);
int radeon_ib_pool_init(struct radeon_device *rdev);
@@ -1188,7 +1189,9 @@ struct radeon_asic {
void (*fini)(struct radeon_device *rdev);
u32 pt_ring_index;
void (*set_page)(struct radeon_device *rdev, uint64_t pe,
void (*set_page)(struct radeon_device *rdev,
struct radeon_ib *ib,
uint64_t pe,
uint64_t addr, unsigned count,
uint32_t incr, uint32_t flags);
} vm;
@@ -1810,7 +1813,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
#define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart.set_page((rdev), (i), (p))
#define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
#define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
#define radeon_asic_vm_set_page(rdev, pe, addr, count, incr, flags) ((rdev)->asic->vm.set_page((rdev), (pe), (addr), (count), (incr), (flags)))
#define radeon_asic_vm_set_page(rdev, ib, pe, addr, count, incr, flags) ((rdev)->asic->vm.set_page((rdev), (ib), (pe), (addr), (count), (incr), (flags)))
#define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)].ring_start((rdev), (cp))
#define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)].ring_test((rdev), (cp))
#define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)].ib_test((rdev), (cp))