Messages in this thread | | | From | Chun-Kuang Hu <> | Date | Wed, 9 Dec 2020 23:16:22 +0800 | Subject | Re: [PATCH v1, 4/5] soc: mediatek: cmdq: add address shift in jump |
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Hi, Yongqiang:
Nicolas Boichat <drinkcat@chromium.org> 於 2020年12月5日 週六 下午3:30寫道: > > On Sat, Dec 5, 2020 at 12:16 PM Yongqiang Niu > <yongqiang.niu@mediatek.com> wrote: > > > > Add address shift when compose jump instruction > > to compatible with 35bit format. > > This looks reasonable, but task->cmdq->shift_pa is not new and was > introduced as part of mt6779 GCE support. > > Do you want to add a Fixes tag? > Fixes: 0858fde496f8 ("mailbox: cmdq: variablize address shift in platform")
Add this fixes tag, and move this patch out of this series because this patch is related to all SoC whose shift_pa is not zero.
Regards, Chun-Kuang.
> > Reviewed-by: Nicolas Boichat <drinkcat@chromium.org> > > > > > Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> > > --- > > drivers/mailbox/mtk-cmdq-mailbox.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c > > index 1c01fe0..5ed39f8 100644 > > --- a/drivers/mailbox/mtk-cmdq-mailbox.c > > +++ b/drivers/mailbox/mtk-cmdq-mailbox.c > > @@ -174,7 +174,8 @@ static void cmdq_task_insert_into_thread(struct cmdq_task *task) > > dma_sync_single_for_cpu(dev, prev_task->pa_base, > > prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE); > > prev_task_base[CMDQ_NUM_CMD(prev_task->pkt) - 1] = > > - (u64)CMDQ_JUMP_BY_PA << 32 | task->pa_base; > > + (u64)CMDQ_JUMP_BY_PA << 32 | > > + (task->pa_base >> task->cmdq->shift_pa); > > dma_sync_single_for_device(dev, prev_task->pa_base, > > prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE); > > > > -- > > 1.8.1.1.dirty > > _______________________________________________ > > Linux-mediatek mailing list > > Linux-mediatek@lists.infradead.org > > http://lists.infradead.org/mailman/listinfo/linux-mediatek > > _______________________________________________ > Linux-mediatek mailing list > Linux-mediatek@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-mediatek
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