drm/radeon: make some asic pointers per ring

Emitting fences, semaphores and ib works differently
on different ring, so its is easier to maintain
separate functions for each ring.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index fbe902b..bfa46c5 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -950,16 +950,18 @@ struct radeon_asic {
        void (*cp_fini)(struct radeon_device *rdev);
        void (*cp_disable)(struct radeon_device *rdev);
        void (*ring_start)(struct radeon_device *rdev);
+
+       struct {
+               void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
+               void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
+               void (*emit_semaphore)(struct radeon_device *rdev, struct radeon_cp *cp,
+                                      struct radeon_semaphore *semaphore, bool emit_wait);
+       } ring[RADEON_NUM_RINGS];
+
        int (*ring_test)(struct radeon_device *rdev, struct radeon_cp *cp);
-       void (*ring_ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
        int (*irq_set)(struct radeon_device *rdev);
        int (*irq_process)(struct radeon_device *rdev);
        u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
-       void (*fence_ring_emit)(struct radeon_device *rdev, struct radeon_fence *fence);
-       void (*semaphore_ring_emit)(struct radeon_device *rdev,
-                                   struct radeon_cp *cp,
-                                   struct radeon_semaphore *semaphore,
-                                   bool emit_wait);
        int (*cs_parse)(struct radeon_cs_parser *p);
        int (*copy_blit)(struct radeon_device *rdev,
                         uint64_t src_offset,
@@ -1500,12 +1502,12 @@ void radeon_ring_write(struct radeon_cp *cp, uint32_t v);
 #define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart_set_page((rdev), (i), (p))
 #define radeon_ring_start(rdev) (rdev)->asic->ring_start((rdev))
 #define radeon_ring_test(rdev, cp) (rdev)->asic->ring_test((rdev), (cp))
-#define radeon_ring_ib_execute(rdev, ib) (rdev)->asic->ring_ib_execute((rdev), (ib))
+#define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)].ib_execute((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->get_vblank_counter((rdev), (crtc))
-#define radeon_fence_ring_emit(rdev, fence) (rdev)->asic->fence_ring_emit((rdev), (fence))
-#define radeon_semaphore_ring_emit(rdev, cp, semaphore, emit_wait) (rdev)->asic->semaphore_ring_emit((rdev), (cp), (semaphore), (emit_wait))
+#define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)].emit_fence((rdev), (fence))
+#define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)].emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
 #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy_blit((rdev), (s), (d), (np), (f))
 #define radeon_copy_dma(rdev, s, d, np, f) (rdev)->asic->copy_dma((rdev), (s), (d), (np), (f))
 #define radeon_copy(rdev, s, d, np, f) (rdev)->asic->copy((rdev), (s), (d), (np), (f))

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 1b208ed..558933c 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -140,12 +140,16 @@ static struct radeon_asic r100_asic = {
        .gart_set_page = &r100_pci_gart_set_page,
        .ring_start = &r100_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r100_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &r100_irq_set,
        .irq_process = &r100_irq_process,
        .get_vblank_counter = &r100_get_vblank_counter,
-       .fence_ring_emit = &r100_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r100_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = NULL,
@@ -188,12 +192,16 @@ static struct radeon_asic r200_asic = {
        .gart_set_page = &r100_pci_gart_set_page,
        .ring_start = &r100_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r100_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &r100_irq_set,
        .irq_process = &r100_irq_process,
        .get_vblank_counter = &r100_get_vblank_counter,
-       .fence_ring_emit = &r100_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r100_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = &r200_copy_dma,
@@ -235,12 +243,16 @@ static struct radeon_asic r300_asic = {
        .gart_set_page = &r100_pci_gart_set_page,
        .ring_start = &r300_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r300_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &r100_irq_set,
        .irq_process = &r100_irq_process,
        .get_vblank_counter = &r100_get_vblank_counter,
-       .fence_ring_emit = &r300_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r300_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = &r200_copy_dma,
@@ -283,12 +295,16 @@ static struct radeon_asic r300_asic_pcie = {
        .gart_set_page = &rv370_pcie_gart_set_page,
        .ring_start = &r300_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r300_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &r100_irq_set,
        .irq_process = &r100_irq_process,
        .get_vblank_counter = &r100_get_vblank_counter,
-       .fence_ring_emit = &r300_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r300_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = &r200_copy_dma,
@@ -330,12 +346,16 @@ static struct radeon_asic r420_asic = {
        .gart_set_page = &rv370_pcie_gart_set_page,
        .ring_start = &r300_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r300_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &r100_irq_set,
        .irq_process = &r100_irq_process,
        .get_vblank_counter = &r100_get_vblank_counter,
-       .fence_ring_emit = &r300_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r300_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = &r200_copy_dma,
@@ -378,12 +398,16 @@ static struct radeon_asic rs400_asic = {
        .gart_set_page = &rs400_gart_set_page,
        .ring_start = &r300_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r300_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &r100_irq_set,
        .irq_process = &r100_irq_process,
        .get_vblank_counter = &r100_get_vblank_counter,
-       .fence_ring_emit = &r300_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r300_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = &r200_copy_dma,
@@ -426,12 +450,16 @@ static struct radeon_asic rs600_asic = {
        .gart_set_page = &rs600_gart_set_page,
        .ring_start = &r300_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r300_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &rs600_irq_set,
        .irq_process = &rs600_irq_process,
        .get_vblank_counter = &rs600_get_vblank_counter,
-       .fence_ring_emit = &r300_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r300_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = &r200_copy_dma,
@@ -474,12 +502,16 @@ static struct radeon_asic rs690_asic = {
        .gart_set_page = &rs400_gart_set_page,
        .ring_start = &r300_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r300_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &rs600_irq_set,
        .irq_process = &rs600_irq_process,
        .get_vblank_counter = &rs600_get_vblank_counter,
-       .fence_ring_emit = &r300_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r300_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = &r200_copy_dma,
@@ -522,12 +554,16 @@ static struct radeon_asic rv515_asic = {
        .gart_set_page = &rv370_pcie_gart_set_page,
        .ring_start = &rv515_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r300_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &rs600_irq_set,
        .irq_process = &rs600_irq_process,
        .get_vblank_counter = &rs600_get_vblank_counter,
-       .fence_ring_emit = &r300_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r300_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = &r200_copy_dma,
@@ -570,12 +606,16 @@ static struct radeon_asic r520_asic = {
        .gart_set_page = &rv370_pcie_gart_set_page,
        .ring_start = &rv515_ring_start,
        .ring_test = &r100_ring_test,
-       .ring_ib_execute = &r100_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r100_ring_ib_execute,
+                       .emit_fence = &r300_fence_ring_emit,
+                       .emit_semaphore = &r100_semaphore_ring_emit,
+               }
+       },
        .irq_set = &rs600_irq_set,
        .irq_process = &rs600_irq_process,
        .get_vblank_counter = &rs600_get_vblank_counter,
-       .fence_ring_emit = &r300_fence_ring_emit,
-       .semaphore_ring_emit = &r100_semaphore_ring_emit,
        .cs_parse = &r300_cs_parse,
        .copy_blit = &r100_copy_blit,
        .copy_dma = &r200_copy_dma,
@@ -617,12 +657,16 @@ static struct radeon_asic r600_asic = {
        .gart_tlb_flush = &r600_pcie_gart_tlb_flush,
        .gart_set_page = &rs600_gart_set_page,
        .ring_test = &r600_ring_test,
-       .ring_ib_execute = &r600_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r600_ring_ib_execute,
+                       .emit_fence = &r600_fence_ring_emit,
+                       .emit_semaphore = &r600_semaphore_ring_emit,
+               }
+       },
        .irq_set = &r600_irq_set,
        .irq_process = &r600_irq_process,
        .get_vblank_counter = &rs600_get_vblank_counter,
-       .fence_ring_emit = &r600_fence_ring_emit,
-       .semaphore_ring_emit = &r600_semaphore_ring_emit,
        .cs_parse = &r600_cs_parse,
        .copy_blit = &r600_copy_blit,
        .copy_dma = NULL,
@@ -664,12 +708,16 @@ static struct radeon_asic rs780_asic = {
        .gart_tlb_flush = &r600_pcie_gart_tlb_flush,
        .gart_set_page = &rs600_gart_set_page,
        .ring_test = &r600_ring_test,
-       .ring_ib_execute = &r600_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r600_ring_ib_execute,
+                       .emit_fence = &r600_fence_ring_emit,
+                       .emit_semaphore = &r600_semaphore_ring_emit,
+               }
+       },
        .irq_set = &r600_irq_set,
        .irq_process = &r600_irq_process,
        .get_vblank_counter = &rs600_get_vblank_counter,
-       .fence_ring_emit = &r600_fence_ring_emit,
-       .semaphore_ring_emit = &r600_semaphore_ring_emit,
        .cs_parse = &r600_cs_parse,
        .copy_blit = &r600_copy_blit,
        .copy_dma = NULL,
@@ -711,12 +759,16 @@ static struct radeon_asic rv770_asic = {
        .gart_tlb_flush = &r600_pcie_gart_tlb_flush,
        .gart_set_page = &rs600_gart_set_page,
        .ring_test = &r600_ring_test,
-       .ring_ib_execute = &r600_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &r600_ring_ib_execute,
+                       .emit_fence = &r600_fence_ring_emit,
+                       .emit_semaphore = &r600_semaphore_ring_emit,
+               }
+       },
        .irq_set = &r600_irq_set,
        .irq_process = &r600_irq_process,
        .get_vblank_counter = &rs600_get_vblank_counter,
-       .fence_ring_emit = &r600_fence_ring_emit,
-       .semaphore_ring_emit = &r600_semaphore_ring_emit,
        .cs_parse = &r600_cs_parse,
        .copy_blit = &r600_copy_blit,
        .copy_dma = NULL,
@@ -758,12 +810,16 @@ static struct radeon_asic evergreen_asic = {
        .gart_tlb_flush = &evergreen_pcie_gart_tlb_flush,
        .gart_set_page = &rs600_gart_set_page,
        .ring_test = &r600_ring_test,
-       .ring_ib_execute = &evergreen_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &evergreen_ring_ib_execute,
+                       .emit_fence = &r600_fence_ring_emit,
+                       .emit_semaphore = &r600_semaphore_ring_emit,
+               }
+       },
        .irq_set = &evergreen_irq_set,
        .irq_process = &evergreen_irq_process,
        .get_vblank_counter = &evergreen_get_vblank_counter,
-       .fence_ring_emit = &r600_fence_ring_emit,
-       .semaphore_ring_emit = &r600_semaphore_ring_emit,
        .cs_parse = &evergreen_cs_parse,
        .copy_blit = &r600_copy_blit,
        .copy_dma = NULL,
@@ -805,12 +861,16 @@ static struct radeon_asic sumo_asic = {
        .gart_tlb_flush = &evergreen_pcie_gart_tlb_flush,
        .gart_set_page = &rs600_gart_set_page,
        .ring_test = &r600_ring_test,
-       .ring_ib_execute = &evergreen_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &evergreen_ring_ib_execute,
+                       .emit_fence = &r600_fence_ring_emit,
+                       .emit_semaphore = &r600_semaphore_ring_emit,
+               }
+       },
        .irq_set = &evergreen_irq_set,
        .irq_process = &evergreen_irq_process,
        .get_vblank_counter = &evergreen_get_vblank_counter,
-       .fence_ring_emit = &r600_fence_ring_emit,
-       .semaphore_ring_emit = &r600_semaphore_ring_emit,
        .cs_parse = &evergreen_cs_parse,
        .copy_blit = &r600_copy_blit,
        .copy_dma = NULL,
@@ -852,12 +912,16 @@ static struct radeon_asic btc_asic = {
        .gart_tlb_flush = &evergreen_pcie_gart_tlb_flush,
        .gart_set_page = &rs600_gart_set_page,
        .ring_test = &r600_ring_test,
-       .ring_ib_execute = &evergreen_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &evergreen_ring_ib_execute,
+                       .emit_fence = &r600_fence_ring_emit,
+                       .emit_semaphore = &r600_semaphore_ring_emit,
+               }
+       },
        .irq_set = &evergreen_irq_set,
        .irq_process = &evergreen_irq_process,
        .get_vblank_counter = &evergreen_get_vblank_counter,
-       .fence_ring_emit = &r600_fence_ring_emit,
-       .semaphore_ring_emit = &r600_semaphore_ring_emit,
        .cs_parse = &evergreen_cs_parse,
        .copy_blit = &r600_copy_blit,
        .copy_dma = NULL,
@@ -899,12 +963,26 @@ static struct radeon_asic cayman_asic = {
        .gart_tlb_flush = &cayman_pcie_gart_tlb_flush,
        .gart_set_page = &rs600_gart_set_page,
        .ring_test = &r600_ring_test,
-       .ring_ib_execute = &evergreen_ring_ib_execute,
+       .ring = {
+               [RADEON_RING_TYPE_GFX_INDEX] = {
+                       .ib_execute = &evergreen_ring_ib_execute,
+                       .emit_fence = &r600_fence_ring_emit,
+                       .emit_semaphore = &r600_semaphore_ring_emit,
+               },
+               [CAYMAN_RING_TYPE_CP1_INDEX] = {
+                       .ib_execute = &r600_ring_ib_execute,
+                       .emit_fence = &r600_fence_ring_emit,
+                       .emit_semaphore = &r600_semaphore_ring_emit,
+               },
+               [CAYMAN_RING_TYPE_CP2_INDEX] = {
+                       .ib_execute = &r600_ring_ib_execute,
+                       .emit_fence = &r600_fence_ring_emit,
+                       .emit_semaphore = &r600_semaphore_ring_emit,
+               }
+       },
        .irq_set = &evergreen_irq_set,
        .irq_process = &evergreen_irq_process,
        .get_vblank_counter = &evergreen_get_vblank_counter,
-       .fence_ring_emit = &r600_fence_ring_emit,
-       .semaphore_ring_emit = &r600_semaphore_ring_emit,
        .cs_parse = &evergreen_cs_parse,
        .copy_blit = &r600_copy_blit,
        .copy_dma = NULL,

diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 86f4eea..69902e6 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -90,7 +90,7 @@ int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence)
                 */
                radeon_fence_write(rdev, fence->seq, fence->ring);
        else
-               radeon_fence_ring_emit(rdev, fence);
+               radeon_fence_ring_emit(rdev, fence->ring, fence);
 
        trace_radeon_fence_emit(rdev->ddev, fence->seq);
        fence->emitted = true;

diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index d96b13a..a69cb04 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -193,7 +193,7 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib)
                DRM_ERROR("radeon: scheduling IB failed (%d).\n", r);
                return r;
        }
-       radeon_ring_ib_execute(rdev, ib);
+       radeon_ring_ib_execute(rdev, ib->fence->ring, ib);
        radeon_fence_emit(rdev, ib->fence);
        mutex_lock(&rdev->ib_pool.mutex);
        /* once scheduled IB is considered free and protected by the fence */

diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c
index bf4789e..80c1a9e 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_semaphore.c
+++ b/drivers/gpu/drm/radeon/radeon_semaphore.c
@@ -121,13 +121,13 @@ int radeon_semaphore_create(struct radeon_device *rdev,
 void radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
                                  struct radeon_semaphore *semaphore)
 {
-       radeon_semaphore_ring_emit(rdev, &rdev->cp[ring], semaphore, false);
+       radeon_semaphore_ring_emit(rdev, ring, &rdev->cp[ring], semaphore, false);
 }
 
 void radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
                                struct radeon_semaphore *semaphore)
 {
-       radeon_semaphore_ring_emit(rdev, &rdev->cp[ring], semaphore, true);
+       radeon_semaphore_ring_emit(rdev, ring, &rdev->cp[ring], semaphore, true);
 }
 
 void radeon_semaphore_free(struct radeon_device *rdev,