From patchwork Tue Jul 2 14:46:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aniket Masule X-Patchwork-Id: 11028003 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 827CC1580 for ; Tue, 2 Jul 2019 14:47:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 70B3B2875F for ; Tue, 2 Jul 2019 14:47:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 64430286E2; Tue, 2 Jul 2019 14:47:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F17092852A for ; Tue, 2 Jul 2019 14:47:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727119AbfGBOrH (ORCPT ); Tue, 2 Jul 2019 10:47:07 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:45816 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726917AbfGBOrG (ORCPT ); Tue, 2 Jul 2019 10:47:06 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id C449F6016D; Tue, 2 Jul 2019 14:47:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1562078825; bh=UeDyAtIWpA7gei3U6JuRRJQg255isa7UX8RScXF9Kpw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OAq5mzzs3TZJM84pb2+eHe5+uok11f+MEvhSCYS5OK+a58MysKtgHGfe06KJ5aQ/E mATXmXURpMEjcH4Dv7nAm2QvZtqySCkVvh2FUA68pzvP+YlkwtWFuhpS9wEbIAaz0I iTCptAIWEv2TOew8BbT7jp2fiFYvWV7vtUw1BrjA= Received: from amasule-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: amasule@codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id F1F27608FF; Tue, 2 Jul 2019 14:47:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1562078824; bh=UeDyAtIWpA7gei3U6JuRRJQg255isa7UX8RScXF9Kpw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JtHp7ojNOx1MMS6QmDhCyiWgT8ahd6RhrrWRelSHjyaassgpS3GKmnZcnWgwR8TTJ rvXl33wTUfUQweey0jmXbtRhX5DGMIuQZhdC343VG1S1kEgInLB7oP3XFd/NTpKBLx 5KMjliu9Tr/nc7h5LCwRgv5CBS8fJ7pC4cm9yUEw= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org F1F27608FF Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=amasule@codeaurora.org From: Aniket Masule To: linux-media@vger.kernel.org, stanimir.varbanov@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, vgarodia@codeaurora.org, Aniket Masule Subject: [PATCH v4 2/4] media: venus: Update clock scaling Date: Tue, 2 Jul 2019 20:16:25 +0530 Message-Id: <1562078787-516-3-git-send-email-amasule@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1562078787-516-1-git-send-email-amasule@codeaurora.org> References: <1562078787-516-1-git-send-email-amasule@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Current clock scaling calculations are same for vpu4 and previous versions. For vpu4, Clock scaling calculations are updated with cycles/mb. This helps in getting precise clock required. Signed-off-by: Aniket Masule --- drivers/media/platform/qcom/venus/helpers.c | 91 +++++++++++++++++++++++++++-- 1 file changed, 87 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c index 7492373..2c976e4 100644 --- a/drivers/media/platform/qcom/venus/helpers.c +++ b/drivers/media/platform/qcom/venus/helpers.c @@ -348,8 +348,9 @@ static u32 load_per_type(struct venus_core *core, u32 session_type) return mbs_per_sec; } -static int load_scale_clocks(struct venus_core *core) +static int scale_clocks(struct venus_inst *inst) { + struct venus_core *core = inst->core; const struct freq_tbl *table = core->res->freq_tbl; unsigned int num_rows = core->res->freq_tbl_size; unsigned long freq = table[0].freq; @@ -398,6 +399,89 @@ static int load_scale_clocks(struct venus_core *core) return ret; } +static unsigned long calculate_vpp_freq(struct venus_inst *inst) +{ + unsigned long vpp_freq = 0; + u32 mbs_per_sec; + + mbs_per_sec = load_per_instance(inst); + vpp_freq = mbs_per_sec * inst->clk_data.codec_freq_data->vpp_freq; + /* 21 / 20 is overhead factor */ + vpp_freq += vpp_freq / 20; + + return vpp_freq; +} + +static int scale_clocks_v4(struct venus_inst *inst) +{ + struct venus_core *core = inst->core; + const struct freq_tbl *table = core->res->freq_tbl; + unsigned int num_rows = core->res->freq_tbl_size; + struct clk *clk = core->clks[0]; + struct device *dev = core->dev; + unsigned int i; + unsigned long freq = 0, freq_core1 = 0, freq_core2 = 0; + int ret; + + freq = calculate_vpp_freq(inst); + + if (freq > table[0].freq) + dev_warn(dev, "HW is overloaded, needed: %lu max: %lu\n", + freq, table[0].freq); + + for (i = 0; i < num_rows; i++) { + if (freq > table[i].freq) + break; + freq = table[i].freq; + } + + inst->clk_data.freq = freq; + + mutex_lock(&core->lock); + list_for_each_entry(inst, &core->instances, list) { + if (inst->clk_data.core_id == VIDC_CORE_ID_1) { + freq_core1 += inst->clk_data.freq; + } else if (inst->clk_data.core_id == VIDC_CORE_ID_2) { + freq_core2 += inst->clk_data.freq; + } else if (inst->clk_data.core_id == VIDC_CORE_ID_3) { + freq_core1 += inst->clk_data.freq; + freq_core2 += inst->clk_data.freq; + } + } + mutex_unlock(&core->lock); + + freq = max(freq_core1, freq_core2); + + ret = clk_set_rate(clk, freq); + if (ret) + goto err; + + ret = clk_set_rate(core->core0_clk, freq); + if (ret) + goto err; + + ret = clk_set_rate(core->core1_clk, freq); + if (ret) + goto err; + + return 0; + +err: + dev_err(dev, "failed to set clock rate %lu (%d)\n", freq, ret); + return ret; +} + +static int load_scale_clocks(struct venus_inst *inst) +{ + if (IS_V4(inst->core)) + return scale_clocks_v4(inst); + + if (inst->state == INST_START) + return 0; + + return scale_clocks(inst); +} + static void fill_buffer_desc(const struct venus_buffer *buf, struct hfi_buffer_desc *bd, bool response) { @@ -1053,7 +1137,7 @@ void venus_helper_vb2_stop_streaming(struct vb2_queue *q) venus_helper_free_dpb_bufs(inst); - load_scale_clocks(core); + load_scale_clocks(inst); INIT_LIST_HEAD(&inst->registeredbufs); } @@ -1070,7 +1154,6 @@ void venus_helper_vb2_stop_streaming(struct vb2_queue *q) int venus_helper_vb2_start_streaming(struct venus_inst *inst) { - struct venus_core *core = inst->core; int ret; ret = intbufs_alloc(inst); @@ -1081,7 +1164,7 @@ int venus_helper_vb2_start_streaming(struct venus_inst *inst) if (ret) goto err_bufs_free; - load_scale_clocks(core); + load_scale_clocks(inst); ret = hfi_session_load_res(inst); if (ret)