Messages in this thread | | | Date | Tue, 02 Jul 2019 10:31:29 +0530 | From | amasule@codeauro ... | Subject | Re: [PATCH v3 4/4] media: venus: Update core selection |
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Hi Stan,
On 2019-07-01 19:28, Stanimir Varbanov wrote: > Hi, > > On 6/25/19 7:27 PM, Aniket Masule wrote: >> Present core assignment is static. Introduced load balancing >> across the cores. Load on earch core is calculated and core >> with minimum load is assigned to given instance. >> >> Signed-off-by: Aniket Masule <amasule@codeaurora.org> >> --- >> drivers/media/platform/qcom/venus/helpers.c | 52 >> +++++++++++++++++++++++++---- >> drivers/media/platform/qcom/venus/helpers.h | 2 +- >> drivers/media/platform/qcom/venus/vdec.c | 2 +- >> drivers/media/platform/qcom/venus/venc.c | 2 +- >> 4 files changed, 49 insertions(+), 9 deletions(-) >> >> diff --git a/drivers/media/platform/qcom/venus/helpers.c >> b/drivers/media/platform/qcom/venus/helpers.c >> index b79e83a..ef35fd8 100644 >> --- a/drivers/media/platform/qcom/venus/helpers.c >> +++ b/drivers/media/platform/qcom/venus/helpers.c >> @@ -498,6 +498,16 @@ static int load_scale_clocks(struct venus_inst >> *inst) >> return scale_clocks(inst); >> } >> >> +int set_core_usage(struct venus_inst *inst, u32 usage) >> +{ >> + const u32 ptype = HFI_PROPERTY_CONFIG_VIDEOCORES_USAGE; >> + struct hfi_videocores_usage_type cu; >> + >> + cu.video_core_enable_mask = usage; >> + >> + return hfi_session_set_property(inst, ptype, &cu); >> +} >> + >> static void fill_buffer_desc(const struct venus_buffer *buf, >> struct hfi_buffer_desc *bd, bool response) >> { >> @@ -801,19 +811,49 @@ int venus_helper_set_work_mode(struct venus_inst >> *inst, u32 mode) >> } >> EXPORT_SYMBOL_GPL(venus_helper_set_work_mode); >> >> -int venus_helper_set_core_usage(struct venus_inst *inst, u32 usage) >> +int venus_helper_set_core(struct venus_inst *inst) >> { >> - const u32 ptype = HFI_PROPERTY_CONFIG_VIDEOCORES_USAGE; >> - struct hfi_videocores_usage_type cu; >> + struct venus_core *core = inst->core; >> + u32 min_core_id = 0, core0_load = 0, core1_load = 0; > > the same comment, please use the same counting scheme as for > VIDC_CORE_ID_ > Yes, I will align this with VIDC_CORE_ID_. >> + unsigned long min_load, max_freq, cur_inst_load; >> + u32 cores_max; >> + int ret; >> >> if (!IS_V4(inst->core)) >> return 0; >> >> - cu.video_core_enable_mask = usage; >> + core0_load = load_per_core(core, VIDC_CORE_ID_1); >> + core1_load = load_per_core(core, VIDC_CORE_ID_2); >> >> - return hfi_session_set_property(inst, ptype, &cu); >> + min_core_id = core0_load < core1_load ? VIDC_CORE_ID_1 : >> VIDC_CORE_ID_2; >> + min_load = min(core0_load, core1_load); >> + cores_max = core_num_max(inst); >> + >> + if (cores_max < VIDC_CORE_ID_2) { >> + min_core_id = VIDC_CORE_ID_1; >> + min_load = core0_load; >> + } >> + >> + cur_inst_load = load_per_instance(inst) * >> + inst->clk_data.codec_freq_data->vpp_freq; >> + max_freq = core->res->freq_tbl[0].freq; >> + >> + if ((cur_inst_load + min_load) > max_freq) { >> + dev_warn(core->dev, "HW is overloaded, needed: %lu max: %lu\n", >> + cur_inst_load, max_freq); >> + return -EINVAL; >> + } >> + >> + ret = set_core_usage(inst, min_core_id); >> + > > please, delete this blank line > >> + if (ret) >> + return ret; >> + >> + inst->clk_data.core_id = min_core_id; >> + >> + return 0; >> } >> -EXPORT_SYMBOL_GPL(venus_helper_set_core_usage); >> +EXPORT_SYMBOL_GPL(venus_helper_set_core); >> >> int venus_helper_init_codec_freq_data(struct venus_inst *inst) >> { >> diff --git a/drivers/media/platform/qcom/venus/helpers.h >> b/drivers/media/platform/qcom/venus/helpers.h >> index 2c13245..1034111 100644 >> --- a/drivers/media/platform/qcom/venus/helpers.h >> +++ b/drivers/media/platform/qcom/venus/helpers.h >> @@ -42,7 +42,7 @@ int venus_helper_set_output_resolution(struct >> venus_inst *inst, >> u32 buftype); >> int venus_helper_set_work_mode(struct venus_inst *inst, u32 mode); >> int venus_helper_init_codec_freq_data(struct venus_inst *inst); >> -int venus_helper_set_core_usage(struct venus_inst *inst, u32 usage); >> +int venus_helper_set_core(struct venus_inst *inst); >> int venus_helper_set_num_bufs(struct venus_inst *inst, unsigned int >> input_bufs, >> unsigned int output_bufs, >> unsigned int output2_bufs); >> diff --git a/drivers/media/platform/qcom/venus/vdec.c >> b/drivers/media/platform/qcom/venus/vdec.c >> index d037f80..620e060 100644 >> --- a/drivers/media/platform/qcom/venus/vdec.c >> +++ b/drivers/media/platform/qcom/venus/vdec.c >> @@ -551,7 +551,7 @@ static int vdec_output_conf(struct venus_inst >> *inst) >> if (ret) >> return ret; >> >> - ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_1); >> + ret = venus_helper_set_core(inst); >> if (ret) >> return ret; >> >> diff --git a/drivers/media/platform/qcom/venus/venc.c >> b/drivers/media/platform/qcom/venus/venc.c >> index cdddc82..28e76cc 100644 >> --- a/drivers/media/platform/qcom/venus/venc.c >> +++ b/drivers/media/platform/qcom/venus/venc.c >> @@ -660,7 +660,7 @@ static int venc_set_properties(struct venus_inst >> *inst) >> if (ret) >> return ret; >> >> - ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_2); >> + ret = venus_helper_set_core(inst); >> if (ret) >> return ret; >> >>
Regards, Aniket
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