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Wed, 27 Apr 2022 21:59:22 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 27 Apr 2022 21:59:20 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 Apr 2022 12:59:19 +0800 Received: from mtksdccf07 (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 28 Apr 2022 12:59:19 +0800 Message-ID: <3e6bed63ed817381eb9d4d65d60c90172bef0440.camel@mediatek.com> Subject: Re: [PATCH v14 3/3] media: platform: mtk-mdp3: add Mediatek MDP3 driver From: CK Hu To: Moudy Ho , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Krzysztof Kozlowski , Hans Verkuil CC: Chun-Kuang Hu , Rob Landley , Laurent Pinchart , , , , , , Alexandre Courbot , , , , , Benjamin Gaignard , AngeloGioacchino Del Regno , daoyuan huang , Ping-Hsun Wu , , , , , , , Date: Thu, 28 Apr 2022 12:59:19 +0800 In-Reply-To: <20220427070514.10355-4-moudy.ho@mediatek.com> References: <20220427070514.10355-1-moudy.ho@mediatek.com> <20220427070514.10355-4-moudy.ho@mediatek.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220427_215932_047142_86FF3CEA X-CRM114-Status: GOOD ( 15.06 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hi, Moudy: On Wed, 2022-04-27 at 15:05 +0800, Moudy Ho wrote: > [snip] > + > +int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param) > +{ > + struct mdp_cmdq_cmd cmd; > + struct mdp_path *path = NULL; > + struct mdp_cmdq_cb_param *cb_param = NULL; > + struct mdp_comp *comps = NULL; > + struct device *dev = &mdp->pdev->dev; > + int i, ret; > + > + atomic_inc(&mdp->job_count); > + > + if (atomic_read(&mdp->suspended)) { > + atomic_dec(&mdp->job_count); > + return -ECANCELED; > + } > + > + cmd.pkt = cmdq_pkt_create(mdp->cmdq_clt, SZ_16K); > + if (IS_ERR(cmd.pkt)) { > + atomic_dec(&mdp->job_count); > + wake_up(&mdp->callback_wq); > + return PTR_ERR(cmd.pkt); > + } > + cmd.event = &mdp->event[0]; > + > + path = kzalloc(sizeof(*path), GFP_KERNEL); > + if (!path) { > + ret = -ENOMEM; > + goto err_destroy_pkt; > + } > + > + path->mdp_dev = mdp; > + path->config = param->config; > + path->param = param->param; > + for (i = 0; i < param->param->num_outputs; i++) { > + path->bounds[i].left = 0; > + path->bounds[i].top = 0; > + path->bounds[i].width = > + param->param->outputs[i].buffer.format.width; > + path->bounds[i].height = > + param->param->outputs[i].buffer.format.height; > + path->composes[i] = param->composes[i] ? > + param->composes[i] : &path->bounds[i]; > + } > + > + ret = mdp_path_ctx_init(mdp, path); > + if (ret) { > + dev_err(dev, "mdp_path_ctx_init error\n"); > + goto err_destroy_pkt; > + } > + > + mtk_mutex_prepare(mdp->mdp_mutex[MDP_PIPE_RDMA0]); > + for (i = 0; i < param->config->num_components; i++) > + mdp_comp_clock_on(&mdp->pdev->dev, path- > >comps[i].comp); > + > + ret = mdp_path_config(mdp, &cmd, path); > + if (ret) { > + dev_err(dev, "mdp_path_config error\n"); > + goto err_destroy_pkt; > + } > + > + cb_param = kzalloc(sizeof(*cb_param), GFP_KERNEL); > + if (!cb_param) { > + ret = -ENOMEM; > + goto err_destroy_pkt; > + } > + > + comps = kcalloc(param->config->num_components, sizeof(*comps), > + GFP_KERNEL); > + if (!comps) { > + ret = -ENOMEM; > + goto err_destroy_pkt; > + } > + > + for (i = 0; i < param->config->num_components; i++) > + memcpy(&comps[i], path->comps[i].comp, > + sizeof(struct mdp_comp)); > + cb_param->mdp = mdp; > + cb_param->user_cmdq_cb = param->cmdq_cb; > + cb_param->user_cb_data = param->cb_data; > + cb_param->pkt = cmd.pkt; > + cb_param->comps = comps; > + cb_param->num_comps = param->config->num_components; > + cb_param->mdp_ctx = param->mdp_ctx; > + > + cmdq_pkt_finalize(cmd.pkt); > + ret = cmdq_pkt_flush_async(cmd.pkt, > + mdp_handle_cmdq_callback, > + (void *)cb_param); Matthias has applied patch [1], so I think you have better to base on patch [1] to send patch. [1] https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/commit/?h=v5.18-next/soc&id=5252c1c5a08e583ab1363f809002cd8a59272b35 Regards, CK > + if (ret) { > + dev_err(dev, "cmdq_pkt_flush_async fail!\n"); > + goto err_clock_off; > + } > + kfree(path); > + return 0; > + > +err_clock_off: > + mtk_mutex_unprepare(mdp->mdp_mutex[MDP_PIPE_RDMA0]); > + mdp_comp_clocks_off(&mdp->pdev->dev, cb_param->comps, > + cb_param->num_comps); > +err_destroy_pkt: > + cmdq_pkt_destroy(cmd.pkt); > + atomic_dec(&mdp->job_count); > + wake_up(&mdp->callback_wq); > + kfree(comps); > + kfree(cb_param); > + kfree(path); > + > + return ret; > +} > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek