drm/radeon: use IBs for VM page table updates v2
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>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 6539d6c..307d681 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -780,6 +780,7 @@
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 @@
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 @@
#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))