From: Aniket Masule <amasule@codeaurora.org>
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 <amasule@codeaurora.org>
Subject: [PATCH v3 4/4] media: venus: Update core selection
Date: Tue, 25 Jun 2019 21:57:24 +0530 [thread overview]
Message-ID: <1561480044-11834-5-git-send-email-amasule@codeaurora.org> (raw)
In-Reply-To: <1561480044-11834-1-git-send-email-amasule@codeaurora.org>
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;
+ 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);
+
+ 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;
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2019-06-25 16:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-25 16:27 [PATCH v3 0/4] media: venus: Update clock scaling and core selection Aniket Masule
2019-06-25 16:27 ` [PATCH v3 1/4] media: venus: Add codec data table Aniket Masule
2019-07-01 11:43 ` Stanimir Varbanov
2019-07-02 4:55 ` amasule
2019-06-25 16:27 ` [PATCH v3 2/4] media: venus: Update clock scaling Aniket Masule
2019-07-01 13:11 ` Stanimir Varbanov
2019-07-02 4:59 ` amasule
2019-06-25 16:27 ` [PATCH v3 3/4] media: venus: Add interface for load per core Aniket Masule
2019-07-01 13:55 ` Stanimir Varbanov
2019-06-25 16:27 ` Aniket Masule [this message]
2019-07-01 13:58 ` [PATCH v3 4/4] media: venus: Update core selection Stanimir Varbanov
2019-07-02 5:01 ` amasule
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