drm/i915: dynamically set up bsd ring functions and params

The same treatment for the bsd ring. Again, this will be split up
further by the irq rework.

Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index fd8e27a..683d1f0 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1265,22 +1265,6 @@ void intel_ring_advance(struct intel_ring_buffer *ring)
        ring->write_tail(ring, ring->tail);
 }
 
-/* ring buffer for bit-stream decoder */
-
-static const struct intel_ring_buffer bsd_ring = {
-       .name                   = "bsd ring",
-       .id                     = VCS,
-       .mmio_base              = BSD_RING_BASE,
-       .init                   = init_ring_common,
-       .write_tail             = ring_write_tail,
-       .flush                  = bsd_ring_flush,
-       .add_request            = ring_add_request,
-       .get_seqno              = ring_get_seqno,
-       .irq_get                = bsd_ring_get_irq,
-       .irq_put                = bsd_ring_put_irq,
-       .dispatch_execbuffer    = ring_dispatch_execbuffer,
-};
-
 
 static void gen6_bsd_ring_write_tail(struct intel_ring_buffer *ring,
                                     u32 value)
@@ -1343,27 +1327,6 @@ gen6_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
        return 0;
 }
 
-/* ring buffer for Video Codec for Gen6+ */
-static const struct intel_ring_buffer gen6_bsd_ring = {
-       .name                   = "gen6 bsd ring",
-       .id                     = VCS,
-       .mmio_base              = GEN6_BSD_RING_BASE,
-       .init                   = init_ring_common,
-       .write_tail             = gen6_bsd_ring_write_tail,
-       .flush                  = gen6_ring_flush,
-       .add_request            = gen6_add_request,
-       .get_seqno              = gen6_ring_get_seqno,
-       .irq_enable_mask        = GEN6_BSD_USER_INTERRUPT,
-       .irq_get                = gen6_ring_get_irq,
-       .irq_put                = gen6_ring_put_irq,
-       .dispatch_execbuffer    = gen6_ring_dispatch_execbuffer,
-       .sync_to                = gen6_bsd_ring_sync_to,
-       .semaphore_register     = {MI_SEMAPHORE_SYNC_VR,
-                                  MI_SEMAPHORE_SYNC_INVALID,
-                                  MI_SEMAPHORE_SYNC_VB},
-       .signal_mbox            = {GEN6_RVSYNC, GEN6_BVSYNC},
-};
-
 /* Blitter support (SandyBridge+) */
 
 static int blt_ring_flush(struct intel_ring_buffer *ring,
@@ -1531,10 +1494,37 @@ int intel_init_bsd_ring_buffer(struct drm_device *dev)
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct intel_ring_buffer *ring = &dev_priv->ring[VCS];
 
-       if (IS_GEN6(dev) || IS_GEN7(dev))
-               *ring = gen6_bsd_ring;
-       else
-               *ring = bsd_ring;
+       ring->name = "bsd ring";
+       ring->id = VCS;
+
+       if (IS_GEN6(dev) || IS_GEN7(dev)) {
+               ring->mmio_base = GEN6_BSD_RING_BASE;
+               ring->write_tail = gen6_bsd_ring_write_tail;
+               ring->flush = gen6_ring_flush;
+               ring->add_request = gen6_add_request;
+               ring->get_seqno = gen6_ring_get_seqno;
+               ring->irq_enable_mask = GEN6_BSD_USER_INTERRUPT;
+               ring->irq_get = gen6_ring_get_irq;
+               ring->irq_put = gen6_ring_put_irq;
+               ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
+               ring->sync_to = gen6_bsd_ring_sync_to;
+               ring->semaphore_register[0] = MI_SEMAPHORE_SYNC_VR;
+               ring->semaphore_register[1] = MI_SEMAPHORE_SYNC_INVALID;
+               ring->semaphore_register[2] = MI_SEMAPHORE_SYNC_VB;
+               ring->signal_mbox[0] = GEN6_RVSYNC;
+               ring->signal_mbox[1] = GEN6_BVSYNC;
+       } else {
+               ring->mmio_base = BSD_RING_BASE;
+               ring->write_tail = ring_write_tail;
+               ring->flush = bsd_ring_flush;
+               ring->add_request = ring_add_request;
+               ring->get_seqno = ring_get_seqno;
+               ring->irq_get = bsd_ring_get_irq;
+               ring->irq_put = bsd_ring_put_irq;
+               ring->dispatch_execbuffer = ring_dispatch_execbuffer;
+       }
+       ring->init = init_ring_common;
+
 
        return intel_init_ring_buffer(dev, ring);
 }