linux-kernel - Re: [PATCH v2 06/12] media: rkvdec: Add RCB and SRAM support

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Message-ID: <5c7767d1-1f28-48e0-bf8b-a224151fb007@kernel.org>
Date: Mon, 11 Aug 2025 08:13:42 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Detlev Casanova <detlev.casanova@...labora.com>,
 linux-kernel@...r.kernel.org
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
 Heiko Stuebner <heiko@...ech.de>, linux-media@...r.kernel.org,
 linux-rockchip@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 kernel@...labora.com
Subject: Re: [PATCH v2 06/12] media: rkvdec: Add RCB and SRAM support

On 08/08/2025 22:03, Detlev Casanova wrote:
>  
> -	vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
> -
>  	irq = platform_get_irq(pdev, 0);
>  	if (irq <= 0)
>  		return -ENXIO;
> @@ -1204,6 +1217,10 @@ static int rkvdec_probe(struct platform_device *pdev)
>  		return ret;
>  	}
>  
> +	rkvdec->sram_pool = of_gen_pool_get(pdev->dev.of_node, "sram", 0);

Didn't you just add new ABI?

> +	if (!rkvdec->sram_pool && rkvdec->config->rcb_num > 0)
> +		dev_info(&pdev->dev, "No sram node, RCB will be stored in RAM\n");
> +



Best regards,
Krzysztof