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| author | Christian König <deathsimple@vodafone.de> | 2011-09-15 19:02:22 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-20 19:49:36 +0000 |
| commit | 15d3332f31afd571a6d23971dbc8d8db2856e661 (patch) | |
| tree | 71610dd9dd6c455fe2f4ec3639691b10388d1dab /drivers/gpu/drm/radeon/radeon.h | |
| parent | 7465280c076d6440e5908c158c83b542dc063a30 (diff) | |
| download | blackbird-op-linux-15d3332f31afd571a6d23971dbc8d8db2856e661.tar.gz blackbird-op-linux-15d3332f31afd571a6d23971dbc8d8db2856e661.zip | |
drm/radeon/kms: add support for semaphores v3
They are used to sync between rings, while fences
sync between a ring and the cpu.
v2 Fix radeon_semaphore_driver_fini when no semaphore were
allocated.
v3 Initialize list early on to avoid issue in case or early
error
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 8b93dec66ec6..6d84c64759e9 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -228,6 +228,30 @@ struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence); void radeon_fence_unref(struct radeon_fence **fence); /* + * Semaphores. + */ +struct radeon_semaphore_driver { + rwlock_t lock; + struct list_head free; +}; + +struct radeon_semaphore { + struct radeon_bo *robj; + struct list_head list; + uint64_t gpu_addr; +}; + +void radeon_semaphore_driver_fini(struct radeon_device *rdev); +int radeon_semaphore_create(struct radeon_device *rdev, + struct radeon_semaphore **semaphore); +void radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring, + struct radeon_semaphore *semaphore); +void radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring, + struct radeon_semaphore *semaphore); +void radeon_semaphore_free(struct radeon_device *rdev, + struct radeon_semaphore *semaphore); + +/* * Tiling registers */ struct radeon_surface_reg { @@ -921,6 +945,9 @@ struct radeon_asic { 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_semaphore *semaphore, + unsigned ring, bool emit_wait); int (*cs_parse)(struct radeon_cs_parser *p); int (*copy_blit)(struct radeon_device *rdev, uint64_t src_offset, @@ -1250,6 +1277,7 @@ struct radeon_device { struct radeon_mman mman; rwlock_t fence_lock; struct radeon_fence_driver fence_drv[RADEON_NUM_RINGS]; + struct radeon_semaphore_driver semaphore_drv; struct radeon_cp cp; /* cayman compute rings */ struct radeon_cp cp1; @@ -1470,6 +1498,7 @@ void radeon_ring_write(struct radeon_device *rdev, uint32_t v); #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, semaphore, ring, emit_wait) (rdev)->asic->semaphore_ring_emit((rdev), (semaphore), (ring), (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)) |
