From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
To: Hsin-Yi Wang <hsinyi@chromium.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
DTML <devicetree@vger.kernel.org>,
David Airlie <airlied@linux.ie>,
linux-kernel <linux-kernel@vger.kernel.org>,
DRI Development <dri-devel@lists.freedesktop.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
Yongqiang Niu <yongqiang.niu@mediatek.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v13 3/8] drm/mediatek: add mtk_dither_set_common() function
Date: Sat, 30 Jan 2021 17:50:23 +0800 [thread overview]
Message-ID: <CAAOTY_88vkrYHKr6amT-ftP1QcY9=dVFDGuu5fD3-2fRbm_Fpw@mail.gmail.com> (raw)
In-Reply-To: <20210129092209.2584718-4-hsinyi@chromium.org>
Hi, Hsin-Yi:
Hsin-Yi Wang <hsinyi@chromium.org> 於 2021年1月29日 週五 下午5:23寫道:
>
> Current implementation of mtk_dither_set() cast dev data to
> struct mtk_ddp_comp_dev. But other devices with different dev data
> would also call this function.
>
> Separate necessary parameters out so other device components (dither,
> gamma) can call this function.
Applied to mediatek-drm-next [1], thanks.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next
Regards,
Chun-Kuang.
>
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> Reviewed-by: CK Hu <ck.hu@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_disp_drv.h | 4 +++
> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 27 ++++++++++++++-------
> 2 files changed, 22 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> index 46d199b7b4a29..9e5537f76b22a 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> @@ -17,6 +17,10 @@ void mtk_color_config(struct device *dev, unsigned int w,
> unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
> void mtk_color_start(struct device *dev);
>
> +void mtk_dither_set_common(void __iomem *regs, struct cmdq_client_reg *cmdq_reg,
> + unsigned int bpc, unsigned int cfg,
> + unsigned int dither_en, struct cmdq_pkt *cmdq_pkt);
> +
> void mtk_dpi_start(struct device *dev);
> void mtk_dpi_stop(struct device *dev);
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 7b5293429426d..07804ab16f44d 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -151,33 +151,42 @@ static void mtk_ddp_clk_disable(struct device *dev)
> clk_disable_unprepare(priv->clk);
> }
>
> -static void mtk_dither_set(struct device *dev, unsigned int bpc,
> - unsigned int CFG, struct cmdq_pkt *cmdq_pkt)
> -{
> - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
> +void mtk_dither_set_common(void __iomem *regs, struct cmdq_client_reg *cmdq_reg,
> + unsigned int bpc, unsigned int cfg,
> + unsigned int dither_en, struct cmdq_pkt *cmdq_pkt)
> +{
> /* If bpc equal to 0, the dithering function didn't be enabled */
> if (bpc == 0)
> return;
>
> if (bpc >= MTK_MIN_BPC) {
> - mtk_ddp_write(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, DISP_DITHER_5);
> - mtk_ddp_write(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, DISP_DITHER_7);
> + mtk_ddp_write(cmdq_pkt, 0, cmdq_reg, regs, DISP_DITHER_5);
> + mtk_ddp_write(cmdq_pkt, 0, cmdq_reg, regs, DISP_DITHER_7);
> mtk_ddp_write(cmdq_pkt,
> DITHER_LSB_ERR_SHIFT_R(MTK_MAX_BPC - bpc) |
> DITHER_ADD_LSHIFT_R(MTK_MAX_BPC - bpc) |
> DITHER_NEW_BIT_MODE,
> - &priv->cmdq_reg, priv->regs, DISP_DITHER_15);
> + cmdq_reg, regs, DISP_DITHER_15);
> mtk_ddp_write(cmdq_pkt,
> DITHER_LSB_ERR_SHIFT_B(MTK_MAX_BPC - bpc) |
> DITHER_ADD_LSHIFT_B(MTK_MAX_BPC - bpc) |
> DITHER_LSB_ERR_SHIFT_G(MTK_MAX_BPC - bpc) |
> DITHER_ADD_LSHIFT_G(MTK_MAX_BPC - bpc),
> - &priv->cmdq_reg, priv->regs, DISP_DITHER_16);
> - mtk_ddp_write(cmdq_pkt, DISP_DITHERING, &priv->cmdq_reg, priv->regs, CFG);
> + cmdq_reg, regs, DISP_DITHER_16);
> + mtk_ddp_write(cmdq_pkt, dither_en, cmdq_reg, regs, cfg);
> }
> }
>
> +static void mtk_dither_set(struct device *dev, unsigned int bpc,
> + unsigned int cfg, struct cmdq_pkt *cmdq_pkt)
> +{
> + struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
> +
> + mtk_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, cfg,
> + DISP_DITHERING, cmdq_pkt);
> +}
> +
> static void mtk_od_config(struct device *dev, unsigned int w,
> unsigned int h, unsigned int vrefresh,
> unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
> --
> 2.30.0.365.g02bc693789-goog
>
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2021-01-30 9:50 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-29 9:22 [PATCH v13 0/8] drm/mediatek: add support for mediatek SOC MT8183 Hsin-Yi Wang
2021-01-29 9:22 ` [PATCH v13 1/8] arm64: dts: mt8183: rename rdma fifo size Hsin-Yi Wang
2021-01-29 9:22 ` [PATCH v13 2/8] arm64: dts: mt8183: refine gamma compatible name Hsin-Yi Wang
2021-01-29 9:22 ` [PATCH v13 3/8] drm/mediatek: add mtk_dither_set_common() function Hsin-Yi Wang
2021-01-30 9:50 ` Chun-Kuang Hu [this message]
2021-01-29 9:22 ` [PATCH v13 4/8] drm/mediatek: separate gamma module Hsin-Yi Wang
2021-01-30 10:05 ` Chun-Kuang Hu
2021-01-29 9:22 ` [PATCH v13 5/8] drm/mediatek: add has_dither private data for gamma Hsin-Yi Wang
2021-01-30 10:12 ` Chun-Kuang Hu
2021-01-29 9:22 ` [PATCH v13 6/8] drm/mediatek: enable dither function Hsin-Yi Wang
2021-01-31 3:39 ` Chun-Kuang Hu
2021-01-29 9:22 ` [PATCH v13 7/8] soc: mediatek: add mtk mutex support for MT8183 Hsin-Yi Wang
2021-02-09 14:48 ` Enric Balletbo Serra
2021-02-10 12:14 ` Matthias Brugger
2021-03-17 16:31 ` Matthias Brugger
2021-01-29 9:22 ` [PATCH v13 8/8] drm/mediatek: add support for mediatek SOC MT8183 Hsin-Yi Wang
2021-01-30 10:47 ` Chun-Kuang Hu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAAOTY_88vkrYHKr6amT-ftP1QcY9=dVFDGuu5fD3-2fRbm_Fpw@mail.gmail.com' \
--to=chunkuang.hu@kernel.org \
--cc=airlied@linux.ie \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=hsinyi@chromium.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=mark.rutland@arm.com \
--cc=matthias.bgg@gmail.com \
--cc=yongqiang.niu@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).