Re: [PATCH v2 1/3] venus: add firmware version based check

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On 11.04.2023 12:59, Konrad Dybcio wrote:
> 
> 
> On 9.04.2023 07:18, Stanimir Varbanov wrote:
>> Hi Dikshita,
>>
>> Thanks for the patch.
>>
>> On 7.04.23 г. 9:25 ч., Dikshita Agarwal wrote:
>>> Add firmware version based checks to enable/disable
>>> features for different SOCs.
>>>
>>> Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
>>> Signed-off-by: Vikash Garodia <quic_vgarodia@xxxxxxxxxxx>
>>> Signed-off-by: Viswanath Boma <quic_vboma@xxxxxxxxxxx>
>>> Tested-by: Nathan Hebert <nhebert@xxxxxxxxxxxx>
>>> ---
>>>   drivers/media/platform/qcom/venus/core.h     | 20 ++++++++++++++++++++
>>>   drivers/media/platform/qcom/venus/hfi_msgs.c | 11 +++++++++--
>>>   2 files changed, 29 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
>>> index 32551c2..9d1e4b2 100644
>>> --- a/drivers/media/platform/qcom/venus/core.h
>>> +++ b/drivers/media/platform/qcom/venus/core.h
>>> @@ -202,6 +202,11 @@ struct venus_core {
>>>       unsigned int core0_usage_count;
>>>       unsigned int core1_usage_count;
>>>       struct dentry *root;
>>> +    struct venus_img_version {
>>> +        u32 major;
>>> +        u32 minor;
>>> +        u32 rev;
>>> +    } venus_ver;
>>>   };
>>>     struct vdec_controls {
>>> @@ -500,4 +505,19 @@ venus_caps_by_codec(struct venus_core *core, u32 codec, u32 domain)
>>>       return NULL;
>>>   }
>>>   +static inline int
>>> +is_fw_rev_or_newer(struct venus_core *core, u32 vmajor, u32 vminor, u32 vrev)
>>> +{
>>> +    return ((core)->venus_ver.major == vmajor &&
>>> +        (core)->venus_ver.minor == vminor &&
>>> +        (core)->venus_ver.rev >= vrev);
>>> +}
>>> +
>>> +static inline int
>>> +is_fw_rev_or_older(struct venus_core *core, u32 vmajor, u32 vminor, u32 vrev)
>>> +{
>>> +    return ((core)->venus_ver.major == vmajor &&
>>> +        (core)->venus_ver.minor == vminor &&
>>> +        (core)->venus_ver.rev <= vrev);
>>> +}
>>
>> IMO those two should return bool
>>
>>>   #endif
>>> diff --git a/drivers/media/platform/qcom/venus/hfi_msgs.c b/drivers/media/platform/qcom/venus/hfi_msgs.c
>>> index df96db3..07ac0fc 100644
>>> --- a/drivers/media/platform/qcom/venus/hfi_msgs.c
>>> +++ b/drivers/media/platform/qcom/venus/hfi_msgs.c
>>> @@ -248,9 +248,10 @@ static void hfi_sys_init_done(struct venus_core *core, struct venus_inst *inst,
>>>   }
>>>     static void
>>> -sys_get_prop_image_version(struct device *dev,
>>> +sys_get_prop_image_version(struct venus_core *core,
>>>                  struct hfi_msg_sys_property_info_pkt *pkt)
>>>   {
>>> +    struct device *dev = core->dev;
>>>       u8 *smem_tbl_ptr;
>>>       u8 *img_ver;
>>>       int req_bytes;
>>> @@ -263,6 +264,12 @@ sys_get_prop_image_version(struct device *dev,
>>>           return;
>>>         img_ver = pkt->data;
>>> +    if (IS_V4(core))
>>> +        sscanf(img_ver, "14:VIDEO.VE.%u.%u-%u-PROD",
>>> +               &core->venus_ver.major, &core->venus_ver.minor, &core->venus_ver.rev);
>>> +    else if (IS_V6(core))
>>> +        sscanf(img_ver, "14:VIDEO.VPU.%u.%u-%u-PROD",
>>> +               &core->venus_ver.major, &core->venus_ver.minor, &core->venus_ver.rev);
>>>   
>>
>> what about if IS_V1?
> Whooops, I missed that in my review as well...
> 
> Looks like the 8916 and 8996 FWs fall under the VIDEO.VE case
> as well, that's the QC_VERSION_STRING they have..
On top of that, my 8350 fw reports:

F/W version: 14:video-firmware.1.0-3fb5add1d3ac96f8f74facd537845a6ceb5a99e4

Konrad
> 
> Perhaps this could be an 
> 
> if (IS_V6)
> 	..
> else
> 	..
> 
> Konrad
>>
>>>       dev_dbg(dev, VDBGL "F/W version: %s\n", img_ver);
>>
>> this will crash for v1.
>>
>>>   @@ -286,7 +293,7 @@ static void hfi_sys_property_info(struct venus_core *core,
>>>         switch (pkt->property) {
>>>       case HFI_PROPERTY_SYS_IMAGE_VERSION:
>>> -        sys_get_prop_image_version(dev, pkt);
>>> +        sys_get_prop_image_version(core, pkt);
>>>           break;
>>>       default:
>>>           dev_dbg(dev, VDBGL "unknown property data\n");
>>



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