[PATCH v7 17/20] media: platform: mtk-mdp3: Use cmdq_pkt_jump_rel() without shift_pa
Nicolas Dufresne
nicolas at ndufresne.ca
Tue Dec 9 13:01:44 PST 2025
Hi,
Le mercredi 27 août 2025 à 19:37 +0800, Jason-JH Lin a écrit :
> With the removal of the shift_pa parameter, cmdq_pkt_jump_rel_temp()
> can be replaced by the new cmdq_pkt_jump_rel() without shift_pa.
>
> Then, remove the cmdq_shift_pa variable in the mdp_dev structure for
> each mbox client.
>
> Fixes: ade176534112 ("soc: mediatek: cmdq: Add parameter shift_pa to cmdq_pkt_jump()")
> Signed-off-by: Jason-JH Lin <jason-jh.lin at mediatek.com>
> ---
> drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 2 +-
> drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c | 2 --
> drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h | 1 -
> 3 files changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
> index 7575ec376367..c35fe0e3a4d5 100644
> --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
> +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
> @@ -638,7 +638,7 @@ static struct mdp_cmdq_cmd *mdp_cmdq_prepare(struct mdp_dev *mdp,
> goto err_free_path;
> }
> cmdq_pkt_eoc(&cmd->pkt);
> - cmdq_pkt_jump_rel_temp(&cmd->pkt, CMDQ_INST_SIZE, mdp->cmdq_shift_pa[pp_idx]);
> + cmdq_pkt_jump_rel(&cmd->pkt, CMDQ_INST_SIZE);
That effectively revert another patch that is pending, and remove the use of the
new cmdq_pkt_jump_rel_temp(). I don't follow what is doing on here, I think some
context must be lost.
Nicolas
>
> for (i = 0; i < num_comp; i++) {
> s32 inner_id = MDP_COMP_NONE;
> diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
> index 8de2c8e4d333..2f8147481bd6 100644
> --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
> +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
> @@ -293,8 +293,6 @@ static int mdp_probe(struct platform_device *pdev)
> ret = PTR_ERR(mdp->cmdq_clt[i]);
> goto err_mbox_destroy;
> }
> -
> - mdp->cmdq_shift_pa[i] = cmdq_get_shift_pa(mdp->cmdq_clt[i]->chan);
> }
>
> init_waitqueue_head(&mdp->callback_wq);
> diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
> index 05cade1d098e..430251f63754 100644
> --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
> +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
> @@ -126,7 +126,6 @@ struct mdp_dev {
> u32 id_count;
> struct ida mdp_ida;
> struct cmdq_client *cmdq_clt[MDP_PP_MAX];
> - u8 cmdq_shift_pa[MDP_PP_MAX];
> wait_queue_head_t callback_wq;
>
> struct v4l2_device v4l2_dev;
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