drm/radeon: make VM flushs a ring operation

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>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 19a29db7c1f5..320355de9c54 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -639,6 +639,8 @@ struct radeon_vm {
         struct mutex                    mutex;
         /* last fence for cs using this vm */
         struct radeon_fence             *fence;
+        /* last flush or NULL if we still need to flush */
+        struct radeon_fence             *last_flush;
 };
 
 struct radeon_vm_manager {
@@ -1116,7 +1118,6 @@ struct radeon_asic {
                 int (*init)(struct radeon_device *rdev);
                 void (*fini)(struct radeon_device *rdev);
                 int (*bind)(struct radeon_device *rdev, struct radeon_vm *vm, int id);
-                void (*tlb_flush)(struct radeon_device *rdev, struct radeon_vm *vm);
                 uint32_t (*page_flags)(struct radeon_device *rdev,
                                        struct radeon_vm *vm,
                                        uint32_t flags);
@@ -1135,6 +1136,7 @@ struct radeon_asic {
                 int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
                 int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
                 bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
+                void (*vm_flush)(struct radeon_device *rdev, struct radeon_ib *ib);
         } ring[RADEON_NUM_RINGS];
         /* irqs */
         struct {
@@ -1733,7 +1735,6 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
 #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_bind(rdev, v, id) (rdev)->asic->vm.bind((rdev), (v), (id))
-#define radeon_asic_vm_tlb_flush(rdev, v) (rdev)->asic->vm.tlb_flush((rdev), (v))
 #define radeon_asic_vm_page_flags(rdev, v, flags) (rdev)->asic->vm.page_flags((rdev), (v), (flags))
 #define radeon_asic_vm_set_page(rdev, v, pfn, addr, flags) (rdev)->asic->vm.set_page((rdev), (v), (pfn), (addr), (flags))
 #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)].ring_start((rdev), (cp))
@@ -1742,6 +1743,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)].ib_execute((rdev), (ib))
 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)].ib_parse((rdev), (ib))
 #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)].is_lockup((rdev), (cp))
+#define radeon_ring_vm_flush(rdev, r, ib) (rdev)->asic->ring[(r)].vm_flush((rdev), (ib))
 #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
 #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))