linux-kernel - Re: [V2] venus: helper: do not set constrained parameters for UBWC

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Message-ID: <ae9dcc09-4628-d9b3-788e-90c49085e2da@linaro.org>
Date:   Mon, 28 Jun 2021 17:23:26 +0100
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
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: [V2] venus: helper: do not set constrained parameters for UBWC

On 28/06/2021 17:01, Mansur Alisha Shaik wrote:
> onstrained parameters are to override the default alignment for
> a given color format. By default venus hardware has alignments as
> 128x32, but NV12 was defined differently to meet various usecases.
> Compressed NV12 has always been aligned as 128x32, hence not needed
> to override the default alignment.
> 
> Fixes: bc28936bbba9 ("media: venus: helpers, hfi, vdec: Set actual plane
> constraints to FW")
> Signed-off-by: Mansur Alisha Shaik <mansur@...eaurora.org>
> 
> Changes in V2:
> - Elaborated commit message as per comments by Bryan
> ---
>   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 1fe6d46..601ee3e 100644
> --- a/drivers/media/platform/qcom/venus/helpers.c
> +++ b/drivers/media/platform/qcom/venus/helpers.c
> @@ -1137,8 +1137,12 @@ 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;
> +
>   	pconstraint.plane_format[0].stride_multiples = 128;
>   	pconstraint.plane_format[0].max_stride = 8192;
>   	pconstraint.plane_format[0].min_plane_buffer_height_multiple = 32;
> 

Looks better to me on the commit log thanks.

You've missed the "C" from "Constrained parameters" though, also I don't 
know if its my mail client or not but "Fixes: xxx ("thing fixed") should 
all be on the one line even if it exceeds the 75 character limit.

---
bod