From patchwork Wed Mar 5 11:26:39 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongbang Shi X-Patchwork-Id: 14002495 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 49E36C28B21 for ; Wed, 5 Mar 2025 11:34:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DDF9E10E744; Wed, 5 Mar 2025 11:34:25 +0000 (UTC) Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3315210E744 for ; Wed, 5 Mar 2025 11:34:23 +0000 (UTC) Received: from mail.maildlp.com (unknown [172.19.163.44]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Z79MK3Rf2z1ltYQ; Wed, 5 Mar 2025 19:30:05 +0800 (CST) Received: from kwepemd500013.china.huawei.com (unknown [7.221.188.12]) by mail.maildlp.com (Postfix) with ESMTPS id F2B6A1402DE; Wed, 5 Mar 2025 19:34:17 +0800 (CST) Received: from localhost.huawei.com (10.169.71.169) by kwepemd500013.china.huawei.com (7.221.188.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.34; Wed, 5 Mar 2025 19:34:16 +0800 From: Yongbang Shi To: , , , , , , , CC: , , , , , , , , Subject: [PATCH v4 drm-dp 0/8] Add HPD, getting EDID, colorbar features in DP function Date: Wed, 5 Mar 2025 19:26:39 +0800 Message-ID: <20250305112647.2344438-1-shiyongbang@huawei.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 X-Originating-IP: [10.169.71.169] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemd500013.china.huawei.com (7.221.188.12) X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Baihan Li To support DP HPD, edid printing, and colorbar display features based on the Hisislcon DP devices. --- ChangeLog: v3 -> v4: - fix the serdes cfg in hibmc_dp_serdes_set_tx_cfg(), suggested by Dmitry Baryshkov. - move the dp serdes registers to dp_reg.h, suggested by Dmitry Baryshkov. - add comments for if-statement of dp_init(), suggested by Dmitry Baryshkov. - fix the comment log to imperative sentence, suggested by Dmitry Baryshkov. - add comments in hibmc_control_write(), suggested by Dmitry Baryshkov. - add link reset of rates and lanes in pre link training process, suggested by Dmitry Baryshkov. - add vdac detect and connected/disconnected status to enable HPD process, suggested by Dmitry Baryshkov. - remove a drm_client, suggested by Dmitry Baryshkov. - fix build errors reported by kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202502231304.BCzV4Y8D-lkp@intel.com/ v2 -> v3: - restructuring the header p_reg.h, suggested by Dmitry Baryshkov. - add commit log about dp serdes, suggested by Dmitry Baryshkov. - return value in hibmc_dp_serdes_init(), suggested by Dmitry Baryshkov. - add static const in the array of serdes_tx_cfg[], suggested by Dmitry Baryshkov. - change drm_warn to drm_dbg_dp, suggested by Dmitry Baryshkov. - add explanations about dp serdes macros, suggested by Dmitry Baryshkov. - change commit to an imperative sentence, suggested by Dmitry Baryshkov. - put HIBMC_DP_HOST_SERDES_CTRL in dp_serdes.h, suggested by Dmitry Baryshkov. - split the patch into two parts, suggested by Dmitry Baryshkov. - Capitalized EDID and AUX, suggested by Dmitry Baryshkov. - rewrite the commit log, suggested by Dmitry Baryshkov. - move colorbar debugfs entry to this patch, suggested by Dmitry Baryshkov. - change binary format to integer format, suggested by Dmitry Baryshkov. - remove mdelay(100) hpd function in ISR, suggested by Dmitry Baryshkov. - remove enble_display in ISR, suggested by Dmitry Baryshkov. - change drm_kms_helper_connector_hotplug_event() to drm_connector_helper_hpd_irq_event(), suggested by Dmitry Baryshkov. - move macros to dp_reg.h, suggested by Dmitry Baryshkov. - remove struct irqs, suggested by Dmitry Baryshkov. - split this patch into two parts, suggested by Dmitry Baryshkov. v1 -> v2: - splittting the patch and add more detailed the changes in the commit message, suggested by Dmitry Baryshkov. - changing all names of dp phy to dp serdes. - deleting type conversion, suggested by Dmitry Baryshkov. - deleting hibmc_dp_connector_get_modes() and using drm_connector_helper_get_modes(), suggested by Dmitry Baryshkov. - add colorbar introduction in commit, suggested by Dmitry Baryshkov. - deleting edid decoder and its debugfs, suggested by Dmitry Baryshkov. - using debugfs_init() callback, suggested by Dmitry Baryshkov. - splittting colorbar and debugfs in different patches, suggested by Dmitry Baryshkov. - optimizing the description in commit message, suggested by Dmitry Baryshkov. - add mdelay(100) comments, suggested by Dmitry Baryshkov. - deleting display enable in hpd event, suggested by Dmitry Baryshkov. --- Baihan Li (8): drm/hisilicon/hibmc: Restructuring the header dp_reg.h drm/hisilicon/hibmc: Add dp serdes cfg to adjust serdes rate, voltage and pre-emphasis drm/hisilicon/hibmc: Add dp serdes cfg in dp process drm/hisilicon/hibmc: Refactor the member of drm_aux in struct hibmc_dp drm/hisilicon/hibmc: Getting connector info and EDID by using AUX channel drm/hisilicon/hibmc: Add colorbar-cfg feature and its debugfs file drm/hisilicon/hibmc: Enable this hot plug detect of irq feature drm/hisilicon/hibmc: Add MSI irq getting and requesting for HPD 1 | 0 drivers/gpu/drm/hisilicon/hibmc/Makefile | 3 +- drivers/gpu/drm/hisilicon/hibmc/dp/dp_aux.c | 16 ++- drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h | 10 +- .../gpu/drm/hisilicon/hibmc/dp/dp_config.h | 2 + drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c | 91 +++++++++++- drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h | 36 +++++ drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c | 57 +++++--- drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h | 130 +++++++++++++----- .../gpu/drm/hisilicon/hibmc/dp/dp_serdes.c | 71 ++++++++++ .../drm/hisilicon/hibmc/hibmc_drm_debugfs.c | 104 ++++++++++++++ .../gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c | 67 ++++++++- .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 88 +++++++++--- .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 12 ++ .../gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 3 + 15 files changed, 601 insertions(+), 89 deletions(-) create mode 100644 1 create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_serdes.c create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_debugfs.c