From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84D95C433E6 for ; Mon, 29 Mar 2021 22:25:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C8D06198E for ; Mon, 29 Mar 2021 22:25:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232925AbhC2WZk (ORCPT ); Mon, 29 Mar 2021 18:25:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:46840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232243AbhC2WWs (ORCPT ); Mon, 29 Mar 2021 18:22:48 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3E20261996; Mon, 29 Mar 2021 22:22:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617056568; bh=nta9ZA4FuS6G01NUtx1cgiXcXUSjXlOS2V8eeKtIHL8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dq7FcoRc6ky7V2euHkeTHN18HI0GuF0QM19VqYMOeadpLkYHXktIkjd8XWDaxyVjr G2V3RxpGAGTXiLSSk/wQ3yie/WpMHrjAL/bhx6OniHXIJZR72Gn3qA3xl+l21MhvVL +KhCa8rQRi2TTEf9iQQIXxOcgL7QVfq+FjSKgLnhs8s6CeqcPt4UaxuitOOxgrfmr+ Lcm7T+kEjRycAmhqsdbe26z7/x3/9+21pS0iViybfpWqA/q/z2NBmcNHRy2t7STQ5K T87UsoKlcctHsscg8ANmLIFnLvFZZkMvjTn0Ivw8hFwFm5JU0f0A9k1JDnrfTrs34+ 21DstIV3NGAyQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Kalyan Thota , Kalyan Thota , Matthias Kaehlcke , Rob Clark , Sasha Levin , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.10 21/33] drm/msm/disp/dpu1: icc path needs to be set before dpu runtime resume Date: Mon, 29 Mar 2021 18:22:09 -0400 Message-Id: <20210329222222.2382987-21-sashal@kernel.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210329222222.2382987-1-sashal@kernel.org> References: <20210329222222.2382987-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kalyan Thota [ Upstream commit 627dc55c273dab308303a5217bd3e767d7083ddb ] DPU runtime resume will request for a min vote on the AXI bus as it is a necessary step before turning ON the AXI clock. The change does below 1) Move the icc path set before requesting runtime get_sync. 2) remove the dependency of hw catalog for min ib vote as it is initialized at a later point. Signed-off-by: Kalyan Thota Tested-by: Matthias Kaehlcke Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index d93c44f6996d..e69ea810e18d 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -43,6 +43,8 @@ #define DPU_DEBUGFS_DIR "msm_dpu" #define DPU_DEBUGFS_HWMASKNAME "hw_log_mask" +#define MIN_IB_BW 400000000ULL /* Min ib vote 400MB */ + static int dpu_kms_hw_init(struct msm_kms *kms); static void _dpu_kms_mmu_destroy(struct dpu_kms *dpu_kms); @@ -929,6 +931,9 @@ static int dpu_kms_hw_init(struct msm_kms *kms) DPU_DEBUG("REG_DMA is not defined"); } + if (of_device_is_compatible(dev->dev->of_node, "qcom,sc7180-mdss")) + dpu_kms_parse_data_bus_icc_path(dpu_kms); + pm_runtime_get_sync(&dpu_kms->pdev->dev); dpu_kms->core_rev = readl_relaxed(dpu_kms->mmio + 0x0); @@ -1030,9 +1035,6 @@ static int dpu_kms_hw_init(struct msm_kms *kms) dpu_vbif_init_memtypes(dpu_kms); - if (of_device_is_compatible(dev->dev->of_node, "qcom,sc7180-mdss")) - dpu_kms_parse_data_bus_icc_path(dpu_kms); - pm_runtime_put_sync(&dpu_kms->pdev->dev); return 0; @@ -1189,10 +1191,10 @@ static int __maybe_unused dpu_runtime_resume(struct device *dev) ddev = dpu_kms->dev; + WARN_ON(!(dpu_kms->num_paths)); /* Min vote of BW is required before turning on AXI clk */ for (i = 0; i < dpu_kms->num_paths; i++) - icc_set_bw(dpu_kms->path[i], 0, - dpu_kms->catalog->perf.min_dram_ib); + icc_set_bw(dpu_kms->path[i], 0, Bps_to_icc(MIN_IB_BW)); rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, true); if (rc) { -- 2.30.1