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From: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
To: Jernej Skrabec <jernej.skrabec@gmail.com>, linux-media@vger.kernel.org
Cc: ezequiel@vanguardiasur.com.ar, nicolas.dufresne@collabora.com,
	mchehab@kernel.org, robh+dt@kernel.org, mripard@kernel.org,
	wens@csie.org, p.zabel@pengutronix.de,
	gregkh@linuxfoundation.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-staging@lists.linux.dev
Subject: Re: [PATCH 2/7] media: hantro: vp9: use double buffering if needed
Date: Tue, 23 Nov 2021 12:22:15 +0100	[thread overview]
Message-ID: <55bb35b0-b98b-9961-aa95-554f8af141f5@collabora.com> (raw)
In-Reply-To: <20211122184702.768341-3-jernej.skrabec@gmail.com>

W dniu 22.11.2021 o 19:46, Jernej Skrabec pisze:
> Some G2 variants need double buffering to be enabled in order to work
> correctly, like that found in Allwinner H6 SoC.
> 
> Add platform quirk for that.
> 
> Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>

Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>

> ---
>   drivers/staging/media/hantro/hantro.h            | 2 ++
>   drivers/staging/media/hantro/hantro_g2_regs.h    | 1 +
>   drivers/staging/media/hantro/hantro_g2_vp9_dec.c | 2 ++
>   3 files changed, 5 insertions(+)
> 
> diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h
> index 33eb3e092cc1..d03824fa3222 100644
> --- a/drivers/staging/media/hantro/hantro.h
> +++ b/drivers/staging/media/hantro/hantro.h
> @@ -73,6 +73,7 @@ struct hantro_irq {
>    * @num_clocks:			number of clocks in the array
>    * @reg_names:			array of register range names
>    * @num_regs:			number of register range names in the array
> + * @double_buffer:		core needs double buffering
>    */
>   struct hantro_variant {
>   	unsigned int enc_offset;
> @@ -94,6 +95,7 @@ struct hantro_variant {
>   	int num_clocks;
>   	const char * const *reg_names;
>   	int num_regs;
> +	unsigned int double_buffer : 1;
>   };
>   
>   /**
> diff --git a/drivers/staging/media/hantro/hantro_g2_regs.h b/drivers/staging/media/hantro/hantro_g2_regs.h
> index 9c857dd1ad9b..15a391a4650e 100644
> --- a/drivers/staging/media/hantro/hantro_g2_regs.h
> +++ b/drivers/staging/media/hantro/hantro_g2_regs.h
> @@ -270,6 +270,7 @@
>   #define g2_apf_threshold	G2_DEC_REG(55, 0, 0xffff)
>   
>   #define g2_clk_gate_e		G2_DEC_REG(58, 16, 0x1)
> +#define g2_double_buffer_e	G2_DEC_REG(58, 15, 0x1)
>   #define g2_buswidth		G2_DEC_REG(58, 8,  0x7)
>   #define g2_max_burst		G2_DEC_REG(58, 0,  0xff)
>   
> diff --git a/drivers/staging/media/hantro/hantro_g2_vp9_dec.c b/drivers/staging/media/hantro/hantro_g2_vp9_dec.c
> index e04242d10fa2..d4fc649a4da1 100644
> --- a/drivers/staging/media/hantro/hantro_g2_vp9_dec.c
> +++ b/drivers/staging/media/hantro/hantro_g2_vp9_dec.c
> @@ -847,6 +847,8 @@ config_registers(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_p
>   	hantro_reg_write(ctx->dev, &g2_clk_gate_e, 1);
>   	hantro_reg_write(ctx->dev, &g2_max_cb_size, 6);
>   	hantro_reg_write(ctx->dev, &g2_min_cb_size, 3);
> +	if (ctx->dev->variant->double_buffer)
> +		hantro_reg_write(ctx->dev, &g2_double_buffer_e, 1);
>   
>   	config_output(ctx, dst, dec_params);
>   
> 


  reply	other threads:[~2021-11-23 11:22 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-22 18:46 [PATCH 0/7] media: hantro: add Allwinner H6 support Jernej Skrabec
2021-11-22 18:46 ` [PATCH 1/7] media: hantro: add support for reset lines Jernej Skrabec
2021-11-23 11:09   ` Andrzej Pietrasiewicz
2021-11-23 14:59     ` Dan Carpenter
2021-11-23 16:36       ` Andrzej Pietrasiewicz
2021-11-23 16:46         ` Jernej Škrabec
     [not found]           ` <CAAEAJfD3d4zjwvbv967+oe6awnAkZiGNKroYF5jvoTy=0sn+Pw@mail.gmail.com>
2021-11-30 10:39             ` Andrzej Pietrasiewicz
2021-11-22 18:46 ` [PATCH 2/7] media: hantro: vp9: use double buffering if needed Jernej Skrabec
2021-11-23 11:22   ` Andrzej Pietrasiewicz [this message]
2021-11-22 18:46 ` [PATCH 3/7] media: hantro: vp9: add support for legacy register set Jernej Skrabec
2021-11-23 12:06   ` Andrzej Pietrasiewicz
2021-11-22 18:46 ` [PATCH 4/7] media: hantro: move postproc enablement for old cores Jernej Skrabec
2021-11-23 12:12   ` Andrzej Pietrasiewicz
2021-11-25 12:00   ` Ezequiel Garcia
2021-11-25 19:21     ` Jernej Škrabec
2021-11-22 18:47 ` [PATCH 5/7] media: dt-bindings: allwinner: document H6 Hantro G2 binding Jernej Skrabec
2021-11-22 18:47 ` [PATCH 6/7] media: hantro: Add support for Allwinner H6 Jernej Skrabec
2021-11-23 12:23   ` Andrzej Pietrasiewicz
2021-11-22 18:47 ` [PATCH 7/7] arm64: dts: allwinner: h6: Add Hantro G2 node Jernej Skrabec
2021-11-22 18:51 ` [PATCH 0/7] media: hantro: add Allwinner H6 support Jernej Škrabec

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