linux-kernel - Re: [PATCH] venus: helper: do not set constrained format for UBWC

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Date:   Fri, 28 May 2021 18:23:16 +0100
From:   Bryan O'Donoghue <pure.logic@...us-software.ie>
To:     Mansur Alisha Shaik <mansur@...eaurora.org>,
        linux-media@...r.kernel.org, stanimir.varbanov@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        vgarodia@...eaurora.org, dikshita@...eaurora.org
Subject: Re: [PATCH] venus: helper: do not set constrained format for UBWC

On 28/05/2021 10:48, Mansur Alisha Shaik wrote:
> Do not set constrained format explicitly for UBWC
> 
> Signed-off-by: Mansur Alisha Shaik <mansur@...eaurora.org>

Could you give a little bit more detail on why, what the side effects are ?

Should this be a Fixes: ?

> ---
>   drivers/media/platform/qcom/venus/helpers.c | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> index b813d6dba..e4b8a2a 100644
> --- a/drivers/media/platform/qcom/venus/helpers.c
> +++ b/drivers/media/platform/qcom/venus/helpers.c
> @@ -1138,8 +1138,12 @@ int venus_helper_set_format_constraints(struct venus_inst *inst)
>   	if (!IS_V6(inst->core))
>   		return 0;
>   
> +	if (inst->opb_fmt == HFI_COLOR_FORMAT_NV12_UBWC)
> +		return 0;
> +
>   	pconstraint.buffer_type = HFI_BUFFER_OUTPUT2;
>   	pconstraint.num_planes = 2;
> +

Additional newline should be removed.

>   	pconstraint.plane_format[0].stride_multiples = 128;
>   	pconstraint.plane_format[0].max_stride = 8192;
>   	pconstraint.plane_format[0].min_plane_buffer_height_multiple = 32;
> 

---
bod