Gen8 has already had some differentiation with how it handles rings.
Semaphores bring yet more differences, and now is as good a time as any
to do the split.
Also, since gen8 doesn't actually use semaphores up until this point,
put the proper "NULL" values in for the mbox info.
v2: v1 had a stale commit message
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 134 ++++++++++++++++++++++----------
1 file changed, 92 insertions(+), 42 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 97789ff..37ae2b1 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1861,19 +1861,33 @@ int intel_init_render_ring_buffer(struct drm_device
*dev)
ring->id = RCS;
ring->mmio_base = RENDER_RING_BASE;
- if (INTEL_INFO(dev)->gen >= 6) {
+ if (INTEL_INFO(dev)->gen >= 8) {
+ ring->add_request = gen6_add_request;
+ ring->flush = gen8_render_ring_flush;
+ ring->irq_get = gen8_ring_get_irq;
+ ring->irq_put = gen8_ring_put_irq;
+ ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
+ ring->get_seqno = gen6_ring_get_seqno;
+ ring->set_seqno = ring_set_seqno;
+ ring->semaphore.sync_to = gen6_ring_sync;
+ if (i915_semaphore_is_enabled(dev))
+ ring->semaphore.signal = gen6_signal;
+ ring->semaphore.signal = gen6_signal;
+ ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.signal_mbox[RCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[VCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[BCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[VECS] = GEN6_NOSYNC;
+ } else if (INTEL_INFO(dev)->gen >= 6) {
ring->add_request = gen6_add_request;
ring->flush = gen7_render_ring_flush;
if (INTEL_INFO(dev)->gen == 6)
ring->flush = gen6_render_ring_flush;
- if (INTEL_INFO(dev)->gen >= 8) {
- ring->flush = gen8_render_ring_flush;
- ring->irq_get = gen8_ring_get_irq;
- ring->irq_put = gen8_ring_put_irq;
- } else {
- ring->irq_get = gen6_ring_get_irq;
- ring->irq_put = gen6_ring_put_irq;
- }
+ ring->irq_get = gen6_ring_get_irq;
+ ring->irq_put = gen6_ring_put_irq;
ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
ring->get_seqno = gen6_ring_get_seqno;
ring->set_seqno = ring_set_seqno;
@@ -1915,6 +1929,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
ring->irq_enable_mask = I915_USER_INTERRUPT;
}
ring->write_tail = ring_write_tail;
+
if (IS_HASWELL(dev))
ring->dispatch_execbuffer = hsw_ring_dispatch_execbuffer;
else if (IS_GEN8(dev))
@@ -2048,24 +2063,35 @@ int intel_init_bsd_ring_buffer(struct drm_device *dev)
ring->irq_put = gen8_ring_put_irq;
ring->dispatch_execbuffer =
gen8_ring_dispatch_execbuffer;
+ ring->semaphore.sync_to = gen6_ring_sync;
+ if (i915_semaphore_is_enabled(dev))
+ ring->semaphore.signal = gen6_signal;
+ ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.signal_mbox[RCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[VCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[BCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[VECS] = GEN6_NOSYNC;
} else {
ring->irq_enable_mask = GT_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->semaphore.sync_to = gen6_ring_sync;
+ if (i915_semaphore_is_enabled(dev))
+ ring->semaphore.signal = gen6_signal;
+ ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_VR;
+ ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_VB;
+ ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_VVE;
+ ring->semaphore.signal_mbox[RCS] = GEN6_RVSYNC;
+ ring->semaphore.signal_mbox[VCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[BCS] = GEN6_BVSYNC;
+ ring->semaphore.signal_mbox[VECS] = GEN6_VEVSYNC;
}
- ring->semaphore.sync_to = gen6_ring_sync;
- if (i915_semaphore_is_enabled(dev))
- ring->semaphore.signal = gen6_signal;
- ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_VR;
- ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_VB;
- ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_VVE;
- ring->semaphore.signal_mbox[RCS] = GEN6_RVSYNC;
- ring->semaphore.signal_mbox[VCS] = GEN6_NOSYNC;
- ring->semaphore.signal_mbox[BCS] = GEN6_BVSYNC;
- ring->semaphore.signal_mbox[VECS] = GEN6_VEVSYNC;
} else {
ring->mmio_base = BSD_RING_BASE;
ring->flush = bsd_ring_flush;
@@ -2108,23 +2134,35 @@ int intel_init_blt_ring_buffer(struct drm_device *dev)
ring->irq_get = gen8_ring_get_irq;
ring->irq_put = gen8_ring_put_irq;
ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
+ ring->semaphore.sync_to = gen6_ring_sync;
+ if (i915_semaphore_is_enabled(dev))
+ ring->semaphore.signal = gen6_signal;
+ ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.signal_mbox[RCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[VCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[BCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[VECS] = GEN6_NOSYNC;
} else {
ring->irq_enable_mask = GT_BLT_USER_INTERRUPT;
ring->irq_get = gen6_ring_get_irq;
ring->irq_put = gen6_ring_put_irq;
ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
+ ring->semaphore.sync_to = gen6_ring_sync;
+ if (i915_semaphore_is_enabled(dev))
+ ring->semaphore.signal = gen6_signal;
+ ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_BR;
+ ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_BV;
+ ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_BVE;
+ ring->semaphore.signal_mbox[RCS] = GEN6_RBSYNC;
+ ring->semaphore.signal_mbox[VCS] = GEN6_VBSYNC;
+ ring->semaphore.signal_mbox[BCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[VECS] = GEN6_VEBSYNC;
}
- ring->semaphore.sync_to = gen6_ring_sync;
- if (i915_semaphore_is_enabled(dev))
- ring->semaphore.signal = gen6_signal;
- ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_BR;
- ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_BV;
- ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_BVE;
- ring->semaphore.signal_mbox[RCS] = GEN6_RBSYNC;
- ring->semaphore.signal_mbox[VCS] = GEN6_VBSYNC;
- ring->semaphore.signal_mbox[BCS] = GEN6_NOSYNC;
- ring->semaphore.signal_mbox[VECS] = GEN6_VEBSYNC;
+
ring->init = init_ring_common;
return intel_init_ring_buffer(dev, ring);
@@ -2151,23 +2189,35 @@ int intel_init_vebox_ring_buffer(struct drm_device *dev)
ring->irq_get = gen8_ring_get_irq;
ring->irq_put = gen8_ring_put_irq;
ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
+ ring->semaphore.sync_to = gen6_ring_sync;
+ if (i915_semaphore_is_enabled(dev))
+ ring->semaphore.signal = gen6_signal;
+ ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.signal_mbox[RCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[VCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[BCS] = GEN6_NOSYNC;
+ ring->semaphore.signal_mbox[VECS] = GEN6_NOSYNC;
} else {
ring->irq_enable_mask = PM_VEBOX_USER_INTERRUPT;
ring->irq_get = hsw_vebox_get_irq;
ring->irq_put = hsw_vebox_put_irq;
+ ring->semaphore.sync_to = gen6_ring_sync;
+ if (i915_semaphore_is_enabled(dev))
+ ring->semaphore.signal = gen6_signal;
+ ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_VER;
+ ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_VEV;
+ ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_VEB;
+ ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_INVALID;
+ ring->semaphore.signal_mbox[RCS] = GEN6_RVESYNC;
+ ring->semaphore.signal_mbox[VCS] = GEN6_VVESYNC;
+ ring->semaphore.signal_mbox[BCS] = GEN6_BVESYNC;
+ ring->semaphore.signal_mbox[VECS] = GEN6_NOSYNC;
ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
}
- ring->semaphore.sync_to = gen6_ring_sync;
- if (i915_semaphore_is_enabled(dev))
- ring->semaphore.signal = gen6_signal;
- ring->semaphore.mbox[RCS] = MI_SEMAPHORE_SYNC_VER;
- ring->semaphore.mbox[VCS] = MI_SEMAPHORE_SYNC_VEV;
- ring->semaphore.mbox[BCS] = MI_SEMAPHORE_SYNC_VEB;
- ring->semaphore.mbox[VECS] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.signal_mbox[RCS] = GEN6_RVESYNC;
- ring->semaphore.signal_mbox[VCS] = GEN6_VVESYNC;
- ring->semaphore.signal_mbox[BCS] = GEN6_BVESYNC;
- ring->semaphore.signal_mbox[VECS] = GEN6_NOSYNC;
+
ring->init = init_ring_common;
return intel_init_ring_buffer(dev, ring);
--
1.8.5.3
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