diff options
| 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/r600.c | |
| parent | 7465280c076d6440e5908c158c83b542dc063a30 (diff) | |
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/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 2fff8cec723c..bd2b3d087b16 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2190,7 +2190,7 @@ int r600_cp_resume(struct radeon_device *rdev) tmp |= BUF_SWAP_32BIT; #endif WREG32(CP_RB_CNTL, tmp); - WREG32(CP_SEM_WAIT_TIMER, 0x4); + WREG32(CP_SEM_WAIT_TIMER, 0x0); /* Set the write pointer delay */ WREG32(CP_RB_WPTR_DELAY, 0); @@ -2357,6 +2357,18 @@ void r600_fence_ring_emit(struct radeon_device *rdev, } } +void r600_semaphore_ring_emit(struct radeon_device *rdev, + struct radeon_semaphore *semaphore, + unsigned ring, bool emit_wait) +{ + uint64_t addr = semaphore->gpu_addr; + unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL; + + radeon_ring_write(rdev, PACKET3(PACKET3_MEM_SEMAPHORE, 1)); + radeon_ring_write(rdev, addr & 0xffffffff); + radeon_ring_write(rdev, (upper_32_bits(addr) & 0xff) | sel); +} + int r600_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, @@ -2649,6 +2661,7 @@ void r600_fini(struct radeon_device *rdev) r600_vram_scratch_fini(rdev); radeon_agp_fini(rdev); radeon_gem_fini(rdev); + radeon_semaphore_driver_fini(rdev); radeon_fence_driver_fini(rdev); radeon_bo_fini(rdev); radeon_atombios_fini(rdev); |