diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
commit | baea7b946f00a291b166ccae7fcfed6c01530cc6 (patch) | |
tree | 4aa275fbdbec9c7b9b4629e8bee2bbecd3c6a6af /drivers/gpu/drm/radeon/radeon_ring.c | |
parent | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (diff) | |
parent | 94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff) |
Merge branch 'origin' into for-linus
Conflicts:
MAINTAINERS
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ring.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_ring.c | 143 |
1 files changed, 25 insertions, 118 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 60d159308b8..747b4bffb84 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -56,10 +56,12 @@ int radeon_ib_get(struct radeon_device *rdev, struct radeon_ib **ib) set_bit(i, rdev->ib_pool.alloc_bm); rdev->ib_pool.ibs[i].length_dw = 0; *ib = &rdev->ib_pool.ibs[i]; + mutex_unlock(&rdev->ib_pool.mutex); goto out; } if (list_empty(&rdev->ib_pool.scheduled_ibs)) { /* we go do nothings here */ + mutex_unlock(&rdev->ib_pool.mutex); DRM_ERROR("all IB allocated none scheduled.\n"); r = -EINVAL; goto out; @@ -69,10 +71,13 @@ int radeon_ib_get(struct radeon_device *rdev, struct radeon_ib **ib) struct radeon_ib, list); if (nib->fence == NULL) { /* we go do nothings here */ + mutex_unlock(&rdev->ib_pool.mutex); DRM_ERROR("IB %lu scheduled without a fence.\n", nib->idx); r = -EINVAL; goto out; } + mutex_unlock(&rdev->ib_pool.mutex); + r = radeon_fence_wait(nib->fence, false); if (r) { DRM_ERROR("radeon: IB(%lu:0x%016lX:%u)\n", nib->idx, @@ -81,12 +86,17 @@ int radeon_ib_get(struct radeon_device *rdev, struct radeon_ib **ib) goto out; } radeon_fence_unref(&nib->fence); + nib->length_dw = 0; + + /* scheduled list is accessed here */ + mutex_lock(&rdev->ib_pool.mutex); list_del(&nib->list); INIT_LIST_HEAD(&nib->list); + mutex_unlock(&rdev->ib_pool.mutex); + *ib = nib; out: - mutex_unlock(&rdev->ib_pool.mutex); if (r) { radeon_fence_unref(&fence); } else { @@ -111,47 +121,36 @@ void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib **ib) } list_del(&tmp->list); INIT_LIST_HEAD(&tmp->list); - if (tmp->fence) { + if (tmp->fence) radeon_fence_unref(&tmp->fence); - } + tmp->length_dw = 0; clear_bit(tmp->idx, rdev->ib_pool.alloc_bm); mutex_unlock(&rdev->ib_pool.mutex); } -static void radeon_ib_align(struct radeon_device *rdev, struct radeon_ib *ib) -{ - while ((ib->length_dw & rdev->cp.align_mask)) { - ib->ptr[ib->length_dw++] = PACKET2(0); - } -} - int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib) { int r = 0; - mutex_lock(&rdev->ib_pool.mutex); - radeon_ib_align(rdev, ib); if (!ib->length_dw || !rdev->cp.ready) { /* TODO: Nothings in the ib we should report. */ - mutex_unlock(&rdev->ib_pool.mutex); DRM_ERROR("radeon: couldn't schedule IB(%lu).\n", ib->idx); return -EINVAL; } + /* 64 dwords should be enough for fence too */ r = radeon_ring_lock(rdev, 64); if (r) { DRM_ERROR("radeon: scheduling IB failled (%d).\n", r); - mutex_unlock(&rdev->ib_pool.mutex); return r; } - radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1)); - radeon_ring_write(rdev, ib->gpu_addr); - radeon_ring_write(rdev, ib->length_dw); + radeon_ring_ib_execute(rdev, ib); radeon_fence_emit(rdev, ib->fence); - radeon_ring_unlock_commit(rdev); + mutex_lock(&rdev->ib_pool.mutex); list_add_tail(&ib->list, &rdev->ib_pool.scheduled_ibs); mutex_unlock(&rdev->ib_pool.mutex); + radeon_ring_unlock_commit(rdev); return 0; } @@ -162,6 +161,8 @@ int radeon_ib_pool_init(struct radeon_device *rdev) int i; int r = 0; + if (rdev->ib_pool.robj) + return 0; /* Allocate 1M object buffer */ INIT_LIST_HEAD(&rdev->ib_pool.scheduled_ibs); r = radeon_object_create(rdev, NULL, RADEON_IB_POOL_SIZE*64*1024, @@ -215,69 +216,16 @@ void radeon_ib_pool_fini(struct radeon_device *rdev) mutex_unlock(&rdev->ib_pool.mutex); } -int radeon_ib_test(struct radeon_device *rdev) -{ - struct radeon_ib *ib; - uint32_t scratch; - uint32_t tmp = 0; - unsigned i; - int r; - - r = radeon_scratch_get(rdev, &scratch); - if (r) { - DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); - return r; - } - WREG32(scratch, 0xCAFEDEAD); - r = radeon_ib_get(rdev, &ib); - if (r) { - return r; - } - ib->ptr[0] = PACKET0(scratch, 0); - ib->ptr[1] = 0xDEADBEEF; - ib->ptr[2] = PACKET2(0); - ib->ptr[3] = PACKET2(0); - ib->ptr[4] = PACKET2(0); - ib->ptr[5] = PACKET2(0); - ib->ptr[6] = PACKET2(0); - ib->ptr[7] = PACKET2(0); - ib->length_dw = 8; - r = radeon_ib_schedule(rdev, ib); - if (r) { - radeon_scratch_free(rdev, scratch); - radeon_ib_free(rdev, &ib); - return r; - } - r = radeon_fence_wait(ib->fence, false); - if (r) { - return r; - } - for (i = 0; i < rdev->usec_timeout; i++) { - tmp = RREG32(scratch); - if (tmp == 0xDEADBEEF) { - break; - } - DRM_UDELAY(1); - } - if (i < rdev->usec_timeout) { - DRM_INFO("ib test succeeded in %u usecs\n", i); - } else { - DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n", - scratch, tmp); - r = -EINVAL; - } - radeon_scratch_free(rdev, scratch); - radeon_ib_free(rdev, &ib); - return r; -} - /* * Ring. */ void radeon_ring_free_size(struct radeon_device *rdev) { - rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR); + if (rdev->family >= CHIP_R600) + rdev->cp.rptr = RREG32(R600_CP_RB_RPTR); + else + rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR); /* This works because ring_size is a power of 2 */ rdev->cp.ring_free_dw = (rdev->cp.rptr + (rdev->cp.ring_size / 4)); rdev->cp.ring_free_dw -= rdev->cp.wptr; @@ -320,11 +268,10 @@ void radeon_ring_unlock_commit(struct radeon_device *rdev) count_dw_pad = (rdev->cp.align_mask + 1) - (rdev->cp.wptr & rdev->cp.align_mask); for (i = 0; i < count_dw_pad; i++) { - radeon_ring_write(rdev, PACKET2(0)); + radeon_ring_write(rdev, 2 << 30); } DRM_MEMORYBARRIER(); - WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr); - (void)RREG32(RADEON_CP_RB_WPTR); + radeon_cp_commit(rdev); mutex_unlock(&rdev->cp.mutex); } @@ -334,46 +281,6 @@ void radeon_ring_unlock_undo(struct radeon_device *rdev) mutex_unlock(&rdev->cp.mutex); } -int radeon_ring_test(struct radeon_device *rdev) -{ - uint32_t scratch; - uint32_t tmp = 0; - unsigned i; - int r; - - r = radeon_scratch_get(rdev, &scratch); - if (r) { - DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); - return r; - } - WREG32(scratch, 0xCAFEDEAD); - r = radeon_ring_lock(rdev, 2); - if (r) { - DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); - radeon_scratch_free(rdev, scratch); - return r; - } - radeon_ring_write(rdev, PACKET0(scratch, 0)); - radeon_ring_write(rdev, 0xDEADBEEF); - radeon_ring_unlock_commit(rdev); - for (i = 0; i < rdev->usec_timeout; i++) { - tmp = RREG32(scratch); - if (tmp == 0xDEADBEEF) { - break; - } - DRM_UDELAY(1); - } - if (i < rdev->usec_timeout) { - DRM_INFO("ring test succeeded in %d usecs\n", i); - } else { - DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n", - scratch, tmp); - r = -EINVAL; - } - radeon_scratch_free(rdev, scratch); - return r; -} - int radeon_ring_init(struct radeon_device *rdev, unsigned ring_size) { int r; |