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Thu, 19 Dec 2024 05:42:20 GMT Received: from hu-renjiang-sha.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 18 Dec 2024 21:42:17 -0800 From: Renjiang Han Date: Thu, 19 Dec 2024 11:11:54 +0530 Subject: [PATCH v6 2/4] media: venus: pm_helpers: use opp-table for the frequency Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20241219-add-venus-for-qcs615-v6-2-e9a74d3b003d@quicinc.com> References: <20241219-add-venus-for-qcs615-v6-0-e9a74d3b003d@quicinc.com> In-Reply-To: <20241219-add-venus-for-qcs615-v6-0-e9a74d3b003d@quicinc.com> To: Stanimir Varbanov , Vikash Garodia , Bryan O'Donoghue , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio CC: , , , , Renjiang Han X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1734586930; l=3991; i=quic_renjiang@quicinc.com; s=20241001; h=from:subject:message-id; bh=510U+uKkX0qDkY7BPlsnMvmkk9nGx0by9ZVeg4BDFTQ=; b=OIq/mAGlcWHnn+oN5ux+JKmF3nR5gCNSS9JBgvr1lMkqOKL6OIVFhTFmvqNmwqSzFa+/tUkI8 R8DbXWcADI6BtFQk1v8v66UjxURg3jNg6enrbLCp+HyObFcaaHCY14U X-Developer-Key: i=quic_renjiang@quicinc.com; a=ed25519; pk=8N59kMJUiVH++5QxJzTyHB/wh/kG5LxQ44j9zhUvZmw= X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: jqXCNcAkcl2kWhjwMdYzXwxDjc_ZnC3i X-Proofpoint-ORIG-GUID: jqXCNcAkcl2kWhjwMdYzXwxDjc_ZnC3i X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 bulkscore=0 suspectscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 mlxscore=0 spamscore=0 clxscore=1015 impostorscore=0 adultscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412190043 The frequency value in the opp-table in the device tree and the freq_tbl in the driver are the same. Therefore, update pm_helpers.c to use the opp-table for frequency values for the v4 core. If getting data from the opp table fails, fall back to using the frequency table. Signed-off-by: Renjiang Han --- drivers/media/platform/qcom/venus/pm_helpers.c | 53 +++++++++++++++++++------- 1 file changed, 39 insertions(+), 14 deletions(-) diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index 33a5a659c0ada0ca97eebb5522c5f349f95c49c7..b61c0ad152878870b7223efa274e137d3636433b 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -43,14 +43,20 @@ static int core_clks_enable(struct venus_core *core) const struct venus_resources *res = core->res; const struct freq_tbl *freq_tbl = core->res->freq_tbl; unsigned int freq_tbl_size = core->res->freq_tbl_size; + struct device *dev = core->dev; + struct dev_pm_opp *opp; unsigned long freq; unsigned int i; int ret; - if (!freq_tbl) - return -EINVAL; - - freq = freq_tbl[freq_tbl_size - 1].freq; + opp = dev_pm_opp_find_freq_ceil(dev, &freq); + if (IS_ERR(opp)) { + if (!freq_tbl) + return -EINVAL; + freq = freq_tbl[freq_tbl_size - 1].freq; + } else { + dev_pm_opp_put(opp); + } for (i = 0; i < res->clks_num; i++) { if (IS_V6(core)) { @@ -627,12 +633,15 @@ min_loaded_core(struct venus_inst *inst, u32 *min_coreid, u32 *min_load, bool lo static int decide_core(struct venus_inst *inst) { + const struct freq_tbl *freq_tbl = inst->core->res->freq_tbl; const u32 ptype = HFI_PROPERTY_CONFIG_VIDEOCORES_USAGE; struct venus_core *core = inst->core; u32 min_coreid, min_load, cur_inst_load; u32 min_lp_coreid, min_lp_load, cur_inst_lp_load; struct hfi_videocores_usage_type cu; - unsigned long max_freq; + unsigned long max_freq = ULONG_MAX; + struct device *dev = core->dev; + struct dev_pm_opp *opp; int ret = 0; if (legacy_binding) { @@ -655,7 +664,11 @@ static int decide_core(struct venus_inst *inst) cur_inst_lp_load *= inst->clk_data.low_power_freq; /*TODO : divide this inst->load by work_route */ - max_freq = core->res->freq_tbl[0].freq; + opp = dev_pm_opp_find_freq_floor(dev, &max_freq); + if (IS_ERR(opp)) + max_freq = freq_tbl[0].freq; + else + dev_pm_opp_put(opp); min_loaded_core(inst, &min_coreid, &min_load, false); min_loaded_core(inst, &min_lp_coreid, &min_lp_load, true); @@ -1078,7 +1091,9 @@ static int load_scale_v4(struct venus_inst *inst) unsigned int num_rows = core->res->freq_tbl_size; struct device *dev = core->dev; unsigned long freq = 0, freq_core1 = 0, freq_core2 = 0; + unsigned long max_freq = ULONG_MAX; unsigned long filled_len = 0; + struct dev_pm_opp *opp; int i, ret = 0; for (i = 0; i < inst->num_input_bufs; i++) @@ -1104,19 +1119,29 @@ static int load_scale_v4(struct venus_inst *inst) freq = max(freq_core1, freq_core2); - if (freq > table[0].freq) { - dev_dbg(dev, VDBGL "requested clock rate: %lu scaling clock rate : %lu\n", - freq, table[0].freq); + opp = dev_pm_opp_find_freq_floor(dev, &max_freq); + if (IS_ERR(opp)) + max_freq = table[0].freq; + else + dev_pm_opp_put(opp); - freq = table[0].freq; + if (freq > max_freq) { + dev_dbg(dev, VDBGL "requested clock rate: %lu scaling clock rate : %lu\n", + freq, max_freq); + freq = max_freq; goto set_freq; } - for (i = num_rows - 1 ; i >= 0; i--) { - if (freq <= table[i].freq) { - freq = table[i].freq; - break; + opp = dev_pm_opp_find_freq_ceil(dev, &freq); + if (IS_ERR(opp)) { + for (i = num_rows - 1 ; i >= 0; i--) { + if (freq <= table[i].freq) { + freq = table[i].freq; + break; + } } + } else { + dev_pm_opp_put(opp); } set_freq: