diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/backing_ops.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/backing_ops.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c index d32db9ffc6eb..ec01214e51ee 100644 --- a/arch/powerpc/platforms/cell/spufs/backing_ops.c +++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c @@ -162,7 +162,8 @@ static int spu_backing_wbox_write(struct spu_context *ctx, u32 data) BUG_ON(avail != (4 - slot)); ctx->csa.spu_mailbox_data[slot] = data; ctx->csa.spu_chnlcnt_RW[29] = ++slot; - ctx->csa.prob.mb_stat_R = (((4 - slot) & 0xff) << 8); + ctx->csa.prob.mb_stat_R &= ~(0x00ff00); + ctx->csa.prob.mb_stat_R |= (((4 - slot) & 0xff) << 8); gen_spu_event(ctx, MFC_SPU_MAILBOX_WRITTEN_EVENT); ret = 4; } else { @@ -320,6 +321,12 @@ static int spu_backing_set_mfc_query(struct spu_context * ctx, u32 mask, /* FIXME: what are the side-effects of this? */ prob->dma_querymask_RW = mask; prob->dma_querytype_RW = mode; + /* In the current implementation, the SPU context is always + * acquired in runnable state when new bits are added to the + * mask (tagwait), so it's sufficient just to mask + * dma_tagstatus_R with the 'mask' parameter here. + */ + ctx->csa.prob.dma_tagstatus_R &= mask; out: spin_unlock(&ctx->csa.register_lock); |