linux-kernel - Re: [PATCH v3 1/4] media: venus: Add codec data table

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Message-ID: <2e137feb1ece7261939e3ac4901e8255@codeaurora.org>
Date:   Tue, 02 Jul 2019 10:25:16 +0530
From:   amasule@...eaurora.org
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, vgarodia@...eaurora.org
Subject: Re: [PATCH v3 1/4] media: venus: Add codec data table

Hi Stan,

On 2019-07-01 17:13, Stanimir Varbanov wrote:
> On 6/25/19 7:27 PM, Aniket Masule wrote:
>> Add vpp cycles for for different types of codec
>> It indicates the cycles required by video hardware
>> to process each macroblock. Initialize the codec
>> data with core resources.
>> 
>> Signed-off-by: Aniket Masule <amasule@...eaurora.org>
>> ---
>>  drivers/media/platform/qcom/venus/core.c    | 13 +++++++++++++
>>  drivers/media/platform/qcom/venus/core.h    | 15 +++++++++++++++
>>  drivers/media/platform/qcom/venus/helpers.c | 30 
>> +++++++++++++++++++++++++++++
>>  drivers/media/platform/qcom/venus/helpers.h |  1 +
>>  drivers/media/platform/qcom/venus/vdec.c    |  4 ++++
>>  drivers/media/platform/qcom/venus/venc.c    |  4 ++++
>>  6 files changed, 67 insertions(+)
>> 
>> diff --git a/drivers/media/platform/qcom/venus/core.c 
>> b/drivers/media/platform/qcom/venus/core.c
>> index 7393667..f1597d6 100644
>> --- a/drivers/media/platform/qcom/venus/core.c
>> +++ b/drivers/media/platform/qcom/venus/core.c
>> @@ -473,9 +473,22 @@ static __maybe_unused int 
>> venus_runtime_resume(struct device *dev)
>>  	{  244800, 100000000 },	/* 1920x1080@30 */
>>  };
>> 
>> +static struct codec_freq_data sdm845_codec_freq_data[] =  {
>> +	{ V4L2_PIX_FMT_H264, VIDC_SESSION_TYPE_ENC, 675 },
>> +	{ V4L2_PIX_FMT_HEVC, VIDC_SESSION_TYPE_ENC, 675 },
>> +	{ V4L2_PIX_FMT_VP8, VIDC_SESSION_TYPE_ENC, 675 },
>> +	{ V4L2_PIX_FMT_MPEG2, VIDC_SESSION_TYPE_DEC, 200 },
>> +	{ V4L2_PIX_FMT_H264, VIDC_SESSION_TYPE_DEC, 200 },
>> +	{ V4L2_PIX_FMT_HEVC, VIDC_SESSION_TYPE_DEC, 200 },
>> +	{ V4L2_PIX_FMT_VP8, VIDC_SESSION_TYPE_DEC, 200 },
>> +	{ V4L2_PIX_FMT_VP9, VIDC_SESSION_TYPE_DEC, 200 },
>> +};
>> +
>>  static const struct venus_resources sdm845_res = {
>>  	.freq_tbl = sdm845_freq_table,
>>  	.freq_tbl_size = ARRAY_SIZE(sdm845_freq_table),
>> +	.codec_freq_data = sdm845_codec_freq_data,
>> +	.codec_freq_data_size = ARRAY_SIZE(sdm845_codec_freq_data),
>>  	.clks = {"core", "iface", "bus" },
>>  	.clks_num = 3,
>>  	.max_load = 2563200,
>> diff --git a/drivers/media/platform/qcom/venus/core.h 
>> b/drivers/media/platform/qcom/venus/core.h
>> index 7a3feb5..2ed6496 100644
>> --- a/drivers/media/platform/qcom/venus/core.h
>> +++ b/drivers/media/platform/qcom/venus/core.h
>> @@ -35,12 +35,20 @@ struct reg_val {
>>  	u32 value;
>>  };
>> 
>> +struct codec_freq_data {
>> +	u32 pixfmt;
>> +	u32 session_type;
>> +	unsigned int vpp_freq;
> 
> isn't unsigned long more suitable?
> 
The hard-coded values for this vpp will be in few hundreds.
So, unsigned int would be fine.
>> +};
>> +
>>  struct venus_resources {
>>  	u64 dma_mask;
>>  	const struct freq_tbl *freq_tbl;
>>  	unsigned int freq_tbl_size;
>>  	const struct reg_val *reg_tbl;
>>  	unsigned int reg_tbl_size;
>> +	const struct codec_freq_data *codec_freq_data;
>> +	unsigned int codec_freq_data_size;
>>  	const char * const clks[VIDC_CLKS_NUM_MAX];
>>  	unsigned int clks_num;
>>  	enum hfi_version hfi_version;
>> @@ -216,6 +224,12 @@ struct venus_buffer {
>>  	struct list_head ref_list;
>>  };
>> 
>> +struct clock_data {
>> +	u32 core_id;
>> +	unsigned long freq;
>> +	struct codec_freq_data *codec_freq_data;
>> +};
>> +
>>  #define to_venus_buffer(ptr)	container_of(ptr, struct venus_buffer, 
>> vb)
>> 
>>  /**
>> @@ -275,6 +289,7 @@ struct venus_inst {
>>  	struct list_head list;
>>  	struct mutex lock;
>>  	struct venus_core *core;
>> +	struct clock_data clk_data;
>>  	struct list_head dpbbufs;
>>  	struct list_head internalbufs;
>>  	struct list_head registeredbufs;
>> diff --git a/drivers/media/platform/qcom/venus/helpers.c 
>> b/drivers/media/platform/qcom/venus/helpers.c
>> index 5cad601..f7f724b 100644
>> --- a/drivers/media/platform/qcom/venus/helpers.c
>> +++ b/drivers/media/platform/qcom/venus/helpers.c
>> @@ -715,6 +715,36 @@ int venus_helper_set_core_usage(struct venus_inst 
>> *inst, u32 usage)
>>  }
>>  EXPORT_SYMBOL_GPL(venus_helper_set_core_usage);
>> 
>> +int venus_helper_init_codec_data(struct venus_inst *inst)
>> +{
>> +	const struct codec_data *codec_data;
> 
> Something is wrong here, there is no prototype of struct codec_data.
Something went wrong during git rebase, will correct this.


Regards,
Aniket