Re: [PATCH v4 15/17] media: venus: Introduce accessors for remapped hfi_buffer_reqs members

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On 5/30/2023 6:00 PM, Konrad Dybcio wrote:
> Currently we have macros to access these, but they don't provide a
> way to override the remapped fields. Replace the macros with actual
> get/set pairs to fix that.
> 
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Reviewed-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>

> ---
>  drivers/media/platform/qcom/venus/helpers.c    |  2 +-
>  drivers/media/platform/qcom/venus/hfi_helper.h | 61 ++++++++++++++++++++++----
>  drivers/media/platform/qcom/venus/hfi_msgs.c   |  2 +-
>  drivers/media/platform/qcom/venus/vdec.c       |  8 ++--
>  drivers/media/platform/qcom/venus/vdec_ctrls.c |  2 +-
>  drivers/media/platform/qcom/venus/venc.c       |  4 +-
>  drivers/media/platform/qcom/venus/venc_ctrls.c |  2 +-
>  7 files changed, 63 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> index 1822e85ab6bf..b70bd3dac4df 100644
> --- a/drivers/media/platform/qcom/venus/helpers.c
> +++ b/drivers/media/platform/qcom/venus/helpers.c
> @@ -189,7 +189,7 @@ int venus_helper_alloc_dpb_bufs(struct venus_inst *inst)
>  	if (ret)
>  		return ret;
>  
> -	count = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
> +	count = hfi_bufreq_get_count_min(&bufreq, ver);
>  
>  	for (i = 0; i < count; i++) {
>  		buf = kzalloc(sizeof(*buf), GFP_KERNEL);
> diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
> index 0abbc50c5864..e4c05d62cfc7 100644
> --- a/drivers/media/platform/qcom/venus/hfi_helper.h
> +++ b/drivers/media/platform/qcom/venus/hfi_helper.h
> @@ -1170,14 +1170,6 @@ struct hfi_buffer_display_hold_count_actual {
>  	u32 hold_count;
>  };
>  
> -/* HFI 4XX reorder the fields, use these macros */
> -#define HFI_BUFREQ_HOLD_COUNT(bufreq, ver)	\
> -	((ver) == HFI_VERSION_4XX ? 0 : (bufreq)->hold_count)
> -#define HFI_BUFREQ_COUNT_MIN(bufreq, ver)	\
> -	((ver) == HFI_VERSION_4XX ? (bufreq)->hold_count : (bufreq)->count_min)
> -#define HFI_BUFREQ_COUNT_MIN_HOST(bufreq, ver)	\
> -	((ver) == HFI_VERSION_4XX ? (bufreq)->count_min : 0)
> -
>  struct hfi_buffer_requirements {
>  	u32 type;
>  	u32 size;
> @@ -1189,6 +1181,59 @@ struct hfi_buffer_requirements {
>  	u32 alignment;
>  };
>  
> +/* On HFI 4XX, some of the struct members have been swapped. */
> +static inline u32 hfi_bufreq_get_hold_count(struct hfi_buffer_requirements *req,
> +					    u32 ver)
> +{
> +	if (ver == HFI_VERSION_4XX)
> +		return 0;
> +
> +	return req->hold_count;
> +};
> +
> +static inline u32 hfi_bufreq_get_count_min(struct hfi_buffer_requirements *req,
> +					   u32 ver)
> +{
> +	if (ver == HFI_VERSION_4XX)
> +		return req->hold_count;
> +
> +	return req->count_min;
> +};
> +
> +static inline u32 hfi_bufreq_get_count_min_host(struct hfi_buffer_requirements *req,
> +						u32 ver)
> +{
> +	if (ver == HFI_VERSION_4XX)
> +		return req->count_min;
> +
> +	return 0;
> +};
> +
> +static inline void hfi_bufreq_set_hold_count(struct hfi_buffer_requirements *req,
> +					     u32 ver, u32 val)
> +{
> +	if (ver == HFI_VERSION_4XX)
> +		return;
> +
> +	req->hold_count = val;
> +};
> +
> +static inline void hfi_bufreq_set_count_min(struct hfi_buffer_requirements *req,
> +					    u32 ver, u32 val)
> +{
> +	if (ver == HFI_VERSION_4XX)
> +		req->hold_count = val;
> +
> +	req->count_min = val;
> +};
> +
> +static inline void hfi_bufreq_set_count_min_host(struct hfi_buffer_requirements *req,
> +						 u32 ver, u32 val)
> +{
> +	if (ver == HFI_VERSION_4XX)
> +		req->count_min = val;
> +};
> +
>  struct hfi_data_payload {
>  	u32 size;
>  	u8 data[1];
> diff --git a/drivers/media/platform/qcom/venus/hfi_msgs.c b/drivers/media/platform/qcom/venus/hfi_msgs.c
> index 3d5dadfa1900..7cab685a2ec8 100644
> --- a/drivers/media/platform/qcom/venus/hfi_msgs.c
> +++ b/drivers/media/platform/qcom/venus/hfi_msgs.c
> @@ -99,7 +99,7 @@ static void event_seq_changed(struct venus_core *core, struct venus_inst *inst,
>  		case HFI_PROPERTY_CONFIG_BUFFER_REQUIREMENTS:
>  			data_ptr += sizeof(u32);
>  			bufreq = (struct hfi_buffer_requirements *)data_ptr;
> -			event.buf_count = HFI_BUFREQ_COUNT_MIN(bufreq, ver);
> +			event.buf_count = hfi_bufreq_get_count_min(bufreq, ver);
>  			data_ptr += sizeof(*bufreq);
>  			break;
>  		case HFI_INDEX_EXTRADATA_INPUT_CROP:
> diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
> index 063a8b0d357b..2a1e038f92cf 100644
> --- a/drivers/media/platform/qcom/venus/vdec.c
> +++ b/drivers/media/platform/qcom/venus/vdec.c
> @@ -899,13 +899,13 @@ static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num,
>  	if (ret)
>  		return ret;
>  
> -	*in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
> +	*in_num = hfi_bufreq_get_count_min(&bufreq, ver);
>  
>  	ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
>  	if (ret)
>  		return ret;
>  
> -	*out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
> +	*out_num = hfi_bufreq_get_count_min(&bufreq, ver);
>  
>  	return 0;
>  }
> @@ -1019,14 +1019,14 @@ static int vdec_verify_conf(struct venus_inst *inst)
>  		return ret;
>  
>  	if (inst->num_output_bufs < bufreq.count_actual ||
> -	    inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
> +	    inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
>  		return -EINVAL;
>  
>  	ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
>  	if (ret)
>  		return ret;
>  
> -	if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
> +	if (inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
>  		return -EINVAL;
>  
>  	return 0;
> diff --git a/drivers/media/platform/qcom/venus/vdec_ctrls.c b/drivers/media/platform/qcom/venus/vdec_ctrls.c
> index fbe12a608b21..7e0f29bf7fae 100644
> --- a/drivers/media/platform/qcom/venus/vdec_ctrls.c
> +++ b/drivers/media/platform/qcom/venus/vdec_ctrls.c
> @@ -79,7 +79,7 @@ static int vdec_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
>  	case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
>  		ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
>  		if (!ret)
> -			ctrl->val = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
> +			ctrl->val = hfi_bufreq_get_count_min(&bufreq, ver);
>  		break;
>  	default:
>  		return -EINVAL;
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index b60772cc2cdc..d2e2d3108752 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -1207,7 +1207,7 @@ static int venc_verify_conf(struct venus_inst *inst)
>  		return ret;
>  
>  	if (inst->num_output_bufs < bufreq.count_actual ||
> -	    inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
> +	    inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
>  		return -EINVAL;
>  
>  	ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
> @@ -1215,7 +1215,7 @@ static int venc_verify_conf(struct venus_inst *inst)
>  		return ret;
>  
>  	if (inst->num_input_bufs < bufreq.count_actual ||
> -	    inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
> +	    inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
>  		return -EINVAL;
>  
>  	return 0;
> diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
> index 7468e43800a9..d9d2a293f3ef 100644
> --- a/drivers/media/platform/qcom/venus/venc_ctrls.c
> +++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
> @@ -358,7 +358,7 @@ static int venc_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
>  	case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT:
>  		ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
>  		if (!ret)
> -			ctrl->val = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
> +			ctrl->val = hfi_bufreq_get_count_min(&bufreq, ver);
>  		break;
>  	default:
>  		return -EINVAL;
> 



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