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Message-ID: <YbssdkOvCR3UMtKQ@eze-laptop>
Date: Thu, 16 Dec 2021 09:09:26 -0300
From: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To: Adam Ford <aford173@...il.com>
Cc: linux-media@...r.kernel.org, abel.vesa@....com,
aford@...conembedded.com, benjamin.gaignard@...labora.com,
hverkuil-cisco@...all.nl, Philipp Zabel <p.zabel@...gutronix.de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Lucas Stach <l.stach@...gutronix.de>,
linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-staging@...ts.linux.dev
Subject: Re: [PATCH V2 05/10] media: hantro: Allow i.MX8MQ G1 and G2 to run
independently
Hi Adam,
On Thu, Dec 16, 2021 at 05:12:50AM -0600, Adam Ford wrote:
> The VPU in the i.MX8MQ is really the combination of Hantro G1 and
> Hantro G2. With the updated vpu-blk-ctrl, the power domains system
> can enable and disable them separately as well as pull them out of
> reset. This simplifies the code and lets them run independently
> while still retaining backwards compatibility with older device
> trees for those using G1.
>
> Signed-off-by: Adam Ford <aford173@...il.com>
>
> diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
> index ab2467998d29..e7afda388ee5 100644
> --- a/drivers/staging/media/hantro/hantro_drv.c
> +++ b/drivers/staging/media/hantro/hantro_drv.c
> @@ -609,6 +609,7 @@ static const struct of_device_id of_hantro_match[] = {
> #endif
> #ifdef CONFIG_VIDEO_HANTRO_IMX8M
> { .compatible = "nxp,imx8mq-vpu", .data = &imx8mq_vpu_variant, },
> + { .compatible = "nxp,imx8mq-vpu-g1", .data = &imx8mq_vpu_g1_variant },
> { .compatible = "nxp,imx8mq-vpu-g2", .data = &imx8mq_vpu_g2_variant },
> #endif
> #ifdef CONFIG_VIDEO_HANTRO_SAMA5D4
> diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h
> index cff817ca8d22..96b14b43a4af 100644
> --- a/drivers/staging/media/hantro/hantro_hw.h
> +++ b/drivers/staging/media/hantro/hantro_hw.h
> @@ -299,6 +299,7 @@ enum hantro_enc_fmt {
> ROCKCHIP_VPU_ENC_FMT_UYVY422 = 3,
> };
>
> +extern const struct hantro_variant imx8mq_vpu_g1_variant;
> extern const struct hantro_variant imx8mq_vpu_g2_variant;
> extern const struct hantro_variant imx8mq_vpu_variant;
> extern const struct hantro_variant px30_vpu_variant;
> diff --git a/drivers/staging/media/hantro/imx8m_vpu_hw.c b/drivers/staging/media/hantro/imx8m_vpu_hw.c
> index 1a43f6fceef9..4925f2a07d4c 100644
> --- a/drivers/staging/media/hantro/imx8m_vpu_hw.c
> +++ b/drivers/staging/media/hantro/imx8m_vpu_hw.c
> @@ -223,13 +223,6 @@ static void imx8m_vpu_g1_reset(struct hantro_ctx *ctx)
> imx8m_soft_reset(vpu, RESET_G1);
> }
>
> -static void imx8m_vpu_g2_reset(struct hantro_ctx *ctx)
> -{
> - struct hantro_dev *vpu = ctx->dev;
> -
> - imx8m_soft_reset(vpu, RESET_G2);
> -}
> -
> /*
> * Supported codec ops.
> */
> @@ -255,17 +248,33 @@ static const struct hantro_codec_ops imx8mq_vpu_codec_ops[] = {
> },
> };
>
> +static const struct hantro_codec_ops imx8mq_vpu_g1_codec_ops[] = {
> + [HANTRO_MODE_MPEG2_DEC] = {
> + .run = hantro_g1_mpeg2_dec_run,
> + .init = hantro_mpeg2_dec_init,
> + .exit = hantro_mpeg2_dec_exit,
> + },
> + [HANTRO_MODE_VP8_DEC] = {
> + .run = hantro_g1_vp8_dec_run,
> + .init = hantro_vp8_dec_init,
> + .exit = hantro_vp8_dec_exit,
> + },
> + [HANTRO_MODE_H264_DEC] = {
> + .run = hantro_g1_h264_dec_run,
> + .init = hantro_h264_dec_init,
> + .exit = hantro_h264_dec_exit,
> + },
> +};
> +
> static const struct hantro_codec_ops imx8mq_vpu_g2_codec_ops[] = {
> [HANTRO_MODE_HEVC_DEC] = {
> .run = hantro_g2_hevc_dec_run,
> - .reset = imx8m_vpu_g2_reset,
> .init = hantro_hevc_dec_init,
> .exit = hantro_hevc_dec_exit,
> },
> [HANTRO_MODE_VP9_DEC] = {
> .run = hantro_g2_vp9_dec_run,
> .done = hantro_g2_vp9_dec_done,
> - .reset = imx8m_vpu_g2_reset,
> .init = hantro_vp9_dec_init,
> .exit = hantro_vp9_dec_exit,
> },
> @@ -285,6 +294,10 @@ static const struct hantro_irq imx8mq_g2_irqs[] = {
>
> static const char * const imx8mq_clk_names[] = { "g1", "g2", "bus" };
> static const char * const imx8mq_reg_names[] = { "g1", "g2", "ctrl" };
> +static const char * const imx8mq_g1_clk_names[] = { "g1" };
> +static const char * const imx8mq_g1_reg_names[] = { "g1" };
> +static const char * const imx8mq_g2_clk_names[] = { "g2" };
> +static const char * const imx8mq_g2_reg_names[] = { "g2" };
>
I believe the g1 and g2 _reg_names are now unused?
Thanks,
Ezequiel
> const struct hantro_variant imx8mq_vpu_variant = {
> .dec_fmts = imx8m_vpu_dec_fmts,
> @@ -305,6 +318,21 @@ const struct hantro_variant imx8mq_vpu_variant = {
> .num_regs = ARRAY_SIZE(imx8mq_reg_names)
> };
>
> +const struct hantro_variant imx8mq_vpu_g1_variant = {
> + .dec_fmts = imx8m_vpu_dec_fmts,
> + .num_dec_fmts = ARRAY_SIZE(imx8m_vpu_dec_fmts),
> + .postproc_fmts = imx8m_vpu_postproc_fmts,
> + .num_postproc_fmts = ARRAY_SIZE(imx8m_vpu_postproc_fmts),
> + .postproc_ops = &hantro_g1_postproc_ops,
> + .codec = HANTRO_MPEG2_DECODER | HANTRO_VP8_DECODER |
> + HANTRO_H264_DECODER,
> + .codec_ops = imx8mq_vpu_g1_codec_ops,
> + .irqs = imx8mq_irqs,
> + .num_irqs = ARRAY_SIZE(imx8mq_irqs),
> + .clk_names = imx8mq_g1_clk_names,
> + .num_clocks = ARRAY_SIZE(imx8mq_g1_clk_names),
> +};
> +
> const struct hantro_variant imx8mq_vpu_g2_variant = {
> .dec_offset = 0x0,
> .dec_fmts = imx8m_vpu_g2_dec_fmts,
> @@ -314,10 +342,8 @@ const struct hantro_variant imx8mq_vpu_g2_variant = {
> .postproc_ops = &hantro_g2_postproc_ops,
> .codec = HANTRO_HEVC_DECODER | HANTRO_VP9_DECODER,
> .codec_ops = imx8mq_vpu_g2_codec_ops,
> - .init = imx8mq_vpu_hw_init,
> - .runtime_resume = imx8mq_runtime_resume,
> .irqs = imx8mq_g2_irqs,
> .num_irqs = ARRAY_SIZE(imx8mq_g2_irqs),
> - .clk_names = imx8mq_clk_names,
> - .num_clocks = ARRAY_SIZE(imx8mq_clk_names),
> + .clk_names = imx8mq_g2_clk_names,
> + .num_clocks = ARRAY_SIZE(imx8mq_g2_clk_names),
> };
> --
> 2.32.0
>
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