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Tue, 5 Nov 2024 06:58:48 GMT Received: from hu-dikshita-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 4 Nov 2024 22:58:43 -0800 From: Dikshita Agarwal Date: Tue, 5 Nov 2024 12:25:45 +0530 Subject: [PATCH v5 25/28] media: iris: implement power scaling for vpu2 and vpu3 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20241105-qcom-video-iris-v5-25-a88e7c220f78@quicinc.com> References: <20241105-qcom-video-iris-v5-0-a88e7c220f78@quicinc.com> In-Reply-To: <20241105-qcom-video-iris-v5-0-a88e7c220f78@quicinc.com> To: Vikash Garodia , Abhinav Kumar , Mauro Carvalho Chehab , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" , Philipp Zabel CC: Hans Verkuil , Sebastian Fricke , Bryan O'Donoghue , Dmitry Baryshkov , Neil Armstrong , Nicolas Dufresne , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Jianhua Lu , , , , , "Dikshita Agarwal" , Vedang Nagar X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1730789780; l=16266; i=quic_dikshita@quicinc.com; s=20240917; h=from:subject:message-id; bh=17uo1XggVXrGciL5iTuLFQpQyXUOgUTxky4ebeSSYEc=; b=XHn/EYQBQjlfBT4ELZR97bD6VkK7FISgeGbERN55owI0clPeI5doiIn/yA9oY0s0lXmx9wKMz a6VYs5qeBW2Bbblo9WMWDtLbKs3tOtcmuXaeMsqKTkTLpPFDLjvibB3 X-Developer-Key: i=quic_dikshita@quicinc.com; a=ed25519; pk=EEvKY6Ar1OI5SWf44FJ1Ebo1KuQEVbbf5UNPO+UHVhM= X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: SIpUNVJy5-Ymqu3WTOufHcpD6ikey1_F X-Proofpoint-GUID: SIpUNVJy5-Ymqu3WTOufHcpD6ikey1_F 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 adultscore=0 mlxlogscore=999 clxscore=1015 lowpriorityscore=0 impostorscore=0 priorityscore=1501 spamscore=0 phishscore=0 bulkscore=0 malwarescore=0 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411050050 From: Vedang Nagar Implement power scaling including vpu2 and vpu3 specific calculation for clock and bus bandwidth which depends on hardware configuration, codec format, resolution and frame rate. Signed-off-by: Vedang Nagar Signed-off-by: Dikshita Agarwal --- drivers/media/platform/qcom/iris/Makefile | 1 + drivers/media/platform/qcom/iris/iris_buffer.c | 3 + drivers/media/platform/qcom/iris/iris_instance.h | 6 + .../platform/qcom/iris/iris_platform_common.h | 23 ++++ .../platform/qcom/iris/iris_platform_sm8550.c | 12 ++ drivers/media/platform/qcom/iris/iris_power.c | 140 +++++++++++++++++++++ drivers/media/platform/qcom/iris/iris_power.h | 13 ++ drivers/media/platform/qcom/iris/iris_vb2.c | 2 + drivers/media/platform/qcom/iris/iris_vdec.c | 7 ++ drivers/media/platform/qcom/iris/iris_vpu2.c | 27 ++++ drivers/media/platform/qcom/iris/iris_vpu3.c | 38 ++++++ drivers/media/platform/qcom/iris/iris_vpu_common.h | 1 + 12 files changed, 273 insertions(+) diff --git a/drivers/media/platform/qcom/iris/Makefile b/drivers/media/platform/qcom/iris/Makefile index ab16189aa9e6..ca31db847273 100644 --- a/drivers/media/platform/qcom/iris/Makefile +++ b/drivers/media/platform/qcom/iris/Makefile @@ -10,6 +10,7 @@ iris-objs += iris_buffer.o \ iris_hfi_gen2_response.o \ iris_hfi_queue.o \ iris_platform_sm8550.o \ + iris_power.o \ iris_probe.o \ iris_resources.o \ iris_state.o \ diff --git a/drivers/media/platform/qcom/iris/iris_buffer.c b/drivers/media/platform/qcom/iris/iris_buffer.c index a002675d15d7..3c90a88d7740 100644 --- a/drivers/media/platform/qcom/iris/iris_buffer.c +++ b/drivers/media/platform/qcom/iris/iris_buffer.c @@ -8,6 +8,7 @@ #include "iris_buffer.h" #include "iris_instance.h" +#include "iris_power.h" #include "iris_vpu_buffer.h" #define PIXELS_4K 4096 @@ -500,6 +501,8 @@ int iris_queue_deferred_buffers(struct iris_inst *inst, enum iris_buffer_type bu struct iris_buffer *buf; int ret; + iris_scale_power(inst); + if (buf_type == BUF_INPUT) { v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buffer, n) { buf = to_iris_buffer(&buffer->vb); diff --git a/drivers/media/platform/qcom/iris/iris_instance.h b/drivers/media/platform/qcom/iris/iris_instance.h index dad7ca89e070..c23413cab30a 100644 --- a/drivers/media/platform/qcom/iris/iris_instance.h +++ b/drivers/media/platform/qcom/iris/iris_instance.h @@ -33,6 +33,9 @@ * @state: instance state * @sub_state: instance sub state * @once_per_session_set: boolean to set once per session property + * @max_input_data_size: max size of input data + * @power: structure of power info + * @icc_data: structure of interconnect data * @m2m_dev: a reference to m2m device structure * @m2m_ctx: a reference to m2m context structure * @subscriptions: variable to hold current events subscriptions @@ -61,6 +64,9 @@ struct iris_inst { enum iris_inst_state state; enum iris_inst_sub_state sub_state; bool once_per_session_set; + size_t max_input_data_size; + struct iris_inst_power power; + struct icc_vote_data icc_data; struct v4l2_m2m_dev *m2m_dev; struct v4l2_m2m_ctx *m2m_ctx; unsigned int subscriptions; diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h index eb329cd05174..c333a14f9c54 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_common.h +++ b/drivers/media/platform/qcom/iris/iris_platform_common.h @@ -20,6 +20,8 @@ struct iris_inst; #define CODED_FRAMES_PROGRESSIVE 0x0 #define DEFAULT_MAX_HOST_BUF_COUNT 64 #define DEFAULT_MAX_HOST_BURST_BUF_COUNT 256 +#define DEFAULT_FPS 30 + enum stage_type { STAGE_1 = 1, STAGE_2 = 2, @@ -67,6 +69,10 @@ struct platform_inst_caps { u32 min_frame_height; u32 max_frame_height; u32 max_mbpf; + u32 mb_cycles_vsp; + u32 mb_cycles_vpp; + u32 mb_cycles_fw; + u32 mb_cycles_fw_vpp; u32 num_comv; }; @@ -106,11 +112,26 @@ struct platform_inst_fw_cap { enum platform_inst_fw_cap_type cap_id); }; +struct bw_info { + u32 mbs_per_sec; + u32 bw_ddr; +}; + struct iris_core_power { u64 clk_freq; u64 icc_bw; }; +struct iris_inst_power { + u64 min_freq; + u32 icc_bw; +}; + +struct icc_vote_data { + u32 height, width; + u32 fps; +}; + enum platform_pm_domain_type { IRIS_CTRL_POWER_DOMAIN, IRIS_HW_POWER_DOMAIN, @@ -124,6 +145,8 @@ struct iris_platform_data { void (*set_preset_registers)(struct iris_core *core); const struct icc_info *icc_tbl; unsigned int icc_tbl_size; + const struct bw_info *bw_tbl_dec; + unsigned int bw_tbl_dec_size; const char * const *pmdomain_tbl; unsigned int pmdomain_tbl_size; const char * const *opp_pd_tbl; diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c index 68907ba6986f..d0891d89d8d8 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c +++ b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c @@ -126,6 +126,9 @@ static struct platform_inst_caps platform_inst_cap_sm8550 = { .min_frame_height = 96, .max_frame_height = 8192, .max_mbpf = (8192 * 4352) / 256, + .mb_cycles_vpp = 200, + .mb_cycles_fw = 489583, + .mb_cycles_fw_vpp = 66234, .num_comv = 0, }; @@ -141,6 +144,13 @@ static const struct icc_info sm8550_icc_table[] = { static const char * const sm8550_clk_reset_table[] = { "bus" }; +static const struct bw_info sm8550_bw_table_dec[] = { + { ((4096 * 2160) / 256) * 60, 1608000 }, + { ((4096 * 2160) / 256) * 30, 826000 }, + { ((1920 * 1080) / 256) * 60, 567000 }, + { ((1920 * 1080) / 256) * 30, 294000 }, +}; + static const char * const sm8550_pmdomain_table[] = { "venus", "vcodec0" }; static const char * const sm8550_opp_pd_table[] = { "mxc", "mmcx" }; @@ -214,6 +224,8 @@ struct iris_platform_data sm8550_data = { .icc_tbl_size = ARRAY_SIZE(sm8550_icc_table), .clk_rst_tbl = sm8550_clk_reset_table, .clk_rst_tbl_size = ARRAY_SIZE(sm8550_clk_reset_table), + .bw_tbl_dec = sm8550_bw_table_dec, + .bw_tbl_dec_size = ARRAY_SIZE(sm8550_bw_table_dec), .pmdomain_tbl = sm8550_pmdomain_table, .pmdomain_tbl_size = ARRAY_SIZE(sm8550_pmdomain_table), .opp_pd_tbl = sm8550_opp_pd_table, diff --git a/drivers/media/platform/qcom/iris/iris_power.c b/drivers/media/platform/qcom/iris/iris_power.c new file mode 100644 index 000000000000..dbca42df0910 --- /dev/null +++ b/drivers/media/platform/qcom/iris/iris_power.c @@ -0,0 +1,140 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include +#include +#include + +#include "iris_buffer.h" +#include "iris_instance.h" +#include "iris_power.h" +#include "iris_resources.h" +#include "iris_vpu_common.h" + +static u32 iris_calc_bw(struct iris_inst *inst, struct icc_vote_data *data) +{ + const struct bw_info *bw_tbl = NULL; + struct iris_core *core = inst->core; + u32 num_rows, i, mbs, mbps; + u32 icc_bw = 0; + + mbs = DIV_ROUND_UP(data->height, 16) * DIV_ROUND_UP(data->width, 16); + mbps = mbs * data->fps; + if (mbps == 0) + goto exit; + + bw_tbl = core->iris_platform_data->bw_tbl_dec; + num_rows = core->iris_platform_data->bw_tbl_dec_size; + + for (i = 0; i < num_rows; i++) { + if (i != 0 && mbps > bw_tbl[i].mbs_per_sec) + break; + + icc_bw = bw_tbl[i].bw_ddr; + } + +exit: + return icc_bw; +} + +static int iris_set_interconnects(struct iris_inst *inst) +{ + struct iris_core *core = inst->core; + struct iris_inst *instance; + u64 total_bw_ddr = 0; + int ret; + + mutex_lock(&core->lock); + list_for_each_entry(instance, &core->instances, list) { + if (!instance->max_input_data_size) + continue; + + total_bw_ddr += instance->power.icc_bw; + } + + ret = iris_set_icc_bw(core, total_bw_ddr); + + mutex_unlock(&core->lock); + + return ret; +} + +static int iris_vote_interconnects(struct iris_inst *inst) +{ + struct icc_vote_data *vote_data = &inst->icc_data; + struct v4l2_format *inp_f = inst->fmt_src; + + vote_data->width = inp_f->fmt.pix_mp.width; + vote_data->height = inp_f->fmt.pix_mp.height; + vote_data->fps = DEFAULT_FPS; + + inst->power.icc_bw = iris_calc_bw(inst, vote_data); + + return iris_set_interconnects(inst); +} + +static int iris_set_clocks(struct iris_inst *inst) +{ + struct iris_core *core = inst->core; + struct iris_inst *instance; + u64 freq = 0; + int ret; + + mutex_lock(&core->lock); + list_for_each_entry(instance, &core->instances, list) { + if (!instance->max_input_data_size) + continue; + + freq += instance->power.min_freq; + } + + core->power.clk_freq = freq; + ret = dev_pm_opp_set_rate(core->dev, freq); + mutex_unlock(&core->lock); + + return ret; +} + +static int iris_scale_clocks(struct iris_inst *inst) +{ + const struct vpu_ops *vpu_ops = inst->core->iris_platform_data->vpu_ops; + struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; + struct v4l2_m2m_buffer *buffer, *n; + struct iris_buffer *buf; + size_t data_size = 0; + + v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buffer, n) { + buf = to_iris_buffer(&buffer->vb); + data_size = max(data_size, buf->data_size); + } + + inst->max_input_data_size = data_size; + if (!inst->max_input_data_size) + return 0; + + inst->power.min_freq = vpu_ops->calc_freq(inst, inst->max_input_data_size); + + return iris_set_clocks(inst); +} + +int iris_scale_power(struct iris_inst *inst) +{ + struct iris_core *core = inst->core; + int ret; + + if (pm_runtime_suspended(core->dev)) { + ret = pm_runtime_resume_and_get(core->dev); + if (ret < 0) + return ret; + + pm_runtime_put_autosuspend(core->dev); + } + + ret = iris_scale_clocks(inst); + if (ret) + return ret; + + return iris_vote_interconnects(inst); +} diff --git a/drivers/media/platform/qcom/iris/iris_power.h b/drivers/media/platform/qcom/iris/iris_power.h new file mode 100644 index 000000000000..8718efdcafc0 --- /dev/null +++ b/drivers/media/platform/qcom/iris/iris_power.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#ifndef _IRIS_POWER_H_ +#define _IRIS_POWER_H_ + +struct iris_inst; + +int iris_scale_power(struct iris_inst *inst); + +#endif diff --git a/drivers/media/platform/qcom/iris/iris_vb2.c b/drivers/media/platform/qcom/iris/iris_vb2.c index 2acaa831d97f..0da8f7ca5e72 100644 --- a/drivers/media/platform/qcom/iris/iris_vb2.c +++ b/drivers/media/platform/qcom/iris/iris_vb2.c @@ -11,6 +11,7 @@ #include "iris_instance.h" #include "iris_vb2.h" #include "iris_vdec.h" +#include "iris_power.h" #include "iris_vpu_buffer.h" static int iris_check_core_mbpf(struct iris_inst *inst) @@ -211,6 +212,7 @@ int iris_vb2_start_streaming(struct vb2_queue *q, unsigned int count) goto error; } + iris_scale_power(inst); ret = iris_check_session_supported(inst); if (ret) diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c index 4b6b54f735fb..92c3957ff797 100644 --- a/drivers/media/platform/qcom/iris/iris_vdec.c +++ b/drivers/media/platform/qcom/iris/iris_vdec.c @@ -9,6 +9,7 @@ #include "iris_buffer.h" #include "iris_ctrls.h" #include "iris_instance.h" +#include "iris_power.h" #include "iris_vdec.h" #include "iris_vpu_buffer.h" @@ -374,6 +375,8 @@ static int iris_vdec_process_streamon_input(struct iris_inst *inst) enum iris_inst_sub_state set_sub_state = 0; int ret; + iris_scale_power(inst); + ret = hfi_ops->session_start(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); if (ret) return ret; @@ -441,6 +444,8 @@ static int iris_vdec_process_streamon_output(struct iris_inst *inst) enum iris_inst_sub_state clear_sub_state = 0; int ret = 0; + iris_scale_power(inst); + drain_active = inst->sub_state & IRIS_INST_SUB_DRAIN && inst->sub_state & IRIS_INST_SUB_DRAIN_LAST; @@ -590,6 +595,8 @@ int iris_vdec_qbuf(struct iris_inst *inst, struct vb2_v4l2_buffer *vbuf) return 0; } + iris_scale_power(inst); + return iris_queue_buffer(inst, buf); } diff --git a/drivers/media/platform/qcom/iris/iris_vpu2.c b/drivers/media/platform/qcom/iris/iris_vpu2.c index bd8427411576..8f502aed43ce 100644 --- a/drivers/media/platform/qcom/iris/iris_vpu2.c +++ b/drivers/media/platform/qcom/iris/iris_vpu2.c @@ -6,6 +6,33 @@ #include "iris_instance.h" #include "iris_vpu_common.h" +static u64 iris_vpu2_calc_freq(struct iris_inst *inst, size_t data_size) +{ + struct platform_inst_caps *caps = inst->core->iris_platform_data->inst_caps; + struct v4l2_format *inp_f = inst->fmt_src; + u32 mbs_per_second, mbpf, height, width; + unsigned long vpp_freq, vsp_freq; + u32 fps = DEFAULT_FPS; + + width = max(inp_f->fmt.pix_mp.width, inst->crop.width); + height = max(inp_f->fmt.pix_mp.height, inst->crop.height); + + mbpf = NUM_MBS_PER_FRAME(height, width); + mbs_per_second = mbpf * fps; + + vpp_freq = mbs_per_second * caps->mb_cycles_vpp; + + /* 21 / 20 is overhead factor */ + vpp_freq += vpp_freq / 20; + vsp_freq = mbs_per_second * caps->mb_cycles_vsp; + + /* 10 / 7 is overhead factor */ + vsp_freq += ((fps * data_size * 8) * 10) / 7; + + return max(vpp_freq, vsp_freq); +} + const struct vpu_ops iris_vpu2_ops = { .power_off_hw = iris_vpu_power_off_hw, + .calc_freq = iris_vpu2_calc_freq, }; diff --git a/drivers/media/platform/qcom/iris/iris_vpu3.c b/drivers/media/platform/qcom/iris/iris_vpu3.c index 10599f1fa789..b484638e6105 100644 --- a/drivers/media/platform/qcom/iris/iris_vpu3.c +++ b/drivers/media/platform/qcom/iris/iris_vpu3.c @@ -79,6 +79,44 @@ static void iris_vpu3_power_off_hardware(struct iris_core *core) iris_vpu_power_off_hw(core); } +static u64 iris_vpu3_calculate_frequency(struct iris_inst *inst, size_t data_size) +{ + struct platform_inst_caps *caps = inst->core->iris_platform_data->inst_caps; + struct v4l2_format *inp_f = inst->fmt_src; + u32 height, width, mbs_per_second, mbpf; + u64 fw_cycles, fw_vpp_cycles; + u64 vsp_cycles, vpp_cycles; + u32 fps = DEFAULT_FPS; + + width = max(inp_f->fmt.pix_mp.width, inst->crop.width); + height = max(inp_f->fmt.pix_mp.height, inst->crop.height); + + mbpf = NUM_MBS_PER_FRAME(height, width); + mbs_per_second = mbpf * fps; + + fw_cycles = fps * caps->mb_cycles_fw; + fw_vpp_cycles = fps * caps->mb_cycles_fw_vpp; + + vpp_cycles = mult_frac(mbs_per_second, caps->mb_cycles_vpp, (u32)inst->fw_caps[PIPE].value); + /* 21 / 20 is minimum overhead factor */ + vpp_cycles += max(div_u64(vpp_cycles, 20), fw_vpp_cycles); + + /* 1.059 is multi-pipe overhead */ + if (inst->fw_caps[PIPE].value > 1) + vpp_cycles += div_u64(vpp_cycles * 59, 1000); + + vsp_cycles = fps * data_size * 8; + vsp_cycles = div_u64(vsp_cycles, 2); + /* VSP FW overhead 1.05 */ + vsp_cycles = div_u64(vsp_cycles * 21, 20); + + if (inst->fw_caps[STAGE].value == STAGE_1) + vsp_cycles = vsp_cycles * 3; + + return max3(vpp_cycles, vsp_cycles, fw_cycles); +} + const struct vpu_ops iris_vpu3_ops = { .power_off_hw = iris_vpu3_power_off_hardware, + .calc_freq = iris_vpu3_calculate_frequency, }; diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.h b/drivers/media/platform/qcom/iris/iris_vpu_common.h index 525bbb52dd79..fce17351ed67 100644 --- a/drivers/media/platform/qcom/iris/iris_vpu_common.h +++ b/drivers/media/platform/qcom/iris/iris_vpu_common.h @@ -13,6 +13,7 @@ extern const struct vpu_ops iris_vpu3_ops; struct vpu_ops { void (*power_off_hw)(struct iris_core *core); + u64 (*calc_freq)(struct iris_inst *inst, size_t data_size); }; int iris_vpu_boot_firmware(struct iris_core *core);