diff mbox series

[v2] soc: mediatek: cmdq: add address shift in jump

Message ID 1608712499-24956-2-git-send-email-yongqiang.niu@mediatek.com
State Accepted
Commit 8b60ed2b1674b78ebc433a11efa7d48821229037
Headers show
Series [v2] soc: mediatek: cmdq: add address shift in jump | expand

Commit Message

Yongqiang Niu Dec. 23, 2020, 8:34 a.m. UTC
Add address shift when compose jump instruction
to compatible with 35bit format.

Fixes: 0858fde496f8 ("mailbox: cmdq: variablize address shift in platform")

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
---
 drivers/mailbox/mtk-cmdq-mailbox.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Yongqiang Niu Jan. 8, 2021, 1:48 a.m. UTC | #1
On Wed, 2020-12-23 at 16:34 +0800, Yongqiang Niu wrote:
> Add address shift when compose jump instruction

> to compatible with 35bit format.

> 

> Fixes: 0858fde496f8 ("mailbox: cmdq: variablize address shift in platform")

> 

> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>

> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>

> ---

>  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 5665b6e..75378e3 100644

> --- a/drivers/mailbox/mtk-cmdq-mailbox.c

> +++ b/drivers/mailbox/mtk-cmdq-mailbox.c

> @@ -168,7 +168,8 @@ 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);

>  


hi jassi

please confirm is there any question about this patch.
if not, please apply this into next version, tks
Jassi Brar Feb. 15, 2021, 5:16 a.m. UTC | #2
On Thu, Jan 7, 2021 at 7:48 PM Yongqiang Niu <yongqiang.niu@mediatek.com> wrote:
>

> On Wed, 2020-12-23 at 16:34 +0800, Yongqiang Niu wrote:

> > Add address shift when compose jump instruction

> > to compatible with 35bit format.

> >

> > Fixes: 0858fde496f8 ("mailbox: cmdq: variablize address shift in platform")

> >

> > Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>

> > Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>

> > ---

> >  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 5665b6e..75378e3 100644

> > --- a/drivers/mailbox/mtk-cmdq-mailbox.c

> > +++ b/drivers/mailbox/mtk-cmdq-mailbox.c

> > @@ -168,7 +168,8 @@ 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);

> >

>

> hi jassi

>

> please confirm is there any question about this patch.

> if not, please apply this into next version, tks

>

I can't locate this patch in my inbox. And I can't fwd it from lkml to
myself. Please resend.

thnks.
diff mbox series

Patch

diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c
index 5665b6e..75378e3 100644
--- a/drivers/mailbox/mtk-cmdq-mailbox.c
+++ b/drivers/mailbox/mtk-cmdq-mailbox.c
@@ -168,7 +168,8 @@  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);