From: CK Hu <ck.hu@mediatek.com>
To: Hsin-Yi Wang <hsinyi@chromium.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, David Airlie <airlied@linux.ie>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Yongqiang Niu <yongqiang.niu@mediatek.com>,
Project_Global_Chrome_Upstream_Group@mediatek.com,
linux-mediatek@lists.infradead.org,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v10 6/9] drm/mediatek: add has_dither private data for gamma
Date: Thu, 28 Jan 2021 13:34:53 +0800 [thread overview]
Message-ID: <1611812093.28312.1.camel@mtksdaap41> (raw)
In-Reply-To: <20210127045422.2418917-7-hsinyi@chromium.org>
Hi, Hsin-Yi:
On Wed, 2021-01-27 at 12:54 +0800, Hsin-Yi Wang wrote:
> From: Yongqiang Niu <yongqiang.niu@mediatek.com>
>
> Not all SoC has dither function in gamma module.
> Add private data to control this function setting.
Reviewed-by: CK Hu <ck.hu@mediatek.com>
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> ---
> drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
> index b5a499d7e472c..c98fe284265d0 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
> @@ -25,7 +25,7 @@
> #define LUT_10BIT_MASK 0x03ff
>
> struct mtk_disp_gamma_data {
> - u32 reserved;
> + bool has_dither;
> };
>
> /**
> @@ -91,7 +91,8 @@ void mtk_gamma_config(struct device *dev, unsigned int w,
>
> mtk_ddp_write(cmdq_pkt, h << 16 | w, &gamma->cmdq_reg, gamma->regs,
> DISP_GAMMA_SIZE);
> - mtk_dither_set_common(gamma->regs, &gamma->cmdq_reg, bpc, DISP_GAMMA_CFG, cmdq_pkt);
> + if (gamma->data && gamma->data->has_dither)
> + mtk_dither_set_common(gamma->regs, &gamma->cmdq_reg, bpc, DISP_GAMMA_CFG, cmdq_pkt);
> }
>
> void mtk_gamma_start(struct device *dev)
> @@ -171,8 +172,13 @@ static int mtk_disp_gamma_remove(struct platform_device *pdev)
> return 0;
> }
>
> +static const struct mtk_disp_gamma_data mt8173_gamma_driver_data = {
> + .has_dither = true,
> +};
> +
> static const struct of_device_id mtk_disp_gamma_driver_dt_match[] = {
> - { .compatible = "mediatek,mt8173-disp-gamma"},
> + { .compatible = "mediatek,mt8173-disp-gamma",
> + .data = &mt8173_gamma_driver_data},
> {},
> };
> MODULE_DEVICE_TABLE(of, mtk_disp_gamma_driver_dt_match);
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next prev parent reply other threads:[~2021-01-28 5:35 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-27 4:54 [PATCH v10 0/9] drm/mediatek: add support for mediatek SOC MT8183 Hsin-Yi Wang
2021-01-27 4:54 ` [PATCH v10 1/9] arm64: dts: mt8183: rename rdma fifo size Hsin-Yi Wang
2021-01-27 4:54 ` [PATCH v10 2/9] arm64: dts: mt8183: refine gamma compatible name Hsin-Yi Wang
2021-01-27 4:54 ` [PATCH v10 3/9] drm/mediatek: add RDMA fifo size error handle Hsin-Yi Wang
2021-01-27 7:59 ` CK Hu
2021-01-27 4:54 ` [PATCH v10 4/9] drm/mediatek: generalize mtk_dither_set() function Hsin-Yi Wang
2021-01-28 4:39 ` CK Hu
2021-01-28 5:09 ` Hsin-Yi Wang
2021-01-28 5:21 ` CK Hu
2021-01-27 4:54 ` [PATCH v10 5/9] drm/mediatek: separate gamma module Hsin-Yi Wang
2021-01-28 5:33 ` CK Hu
2021-01-27 4:54 ` [PATCH v10 6/9] drm/mediatek: add has_dither private data for gamma Hsin-Yi Wang
2021-01-28 5:34 ` CK Hu [this message]
2021-01-27 4:54 ` [PATCH v10 7/9] drm/mediatek: enable dither function Hsin-Yi Wang
2021-01-28 6:01 ` CK Hu
2021-01-27 4:54 ` [PATCH v10 8/9] drm/mediatek: add DDP support for MT8183 Hsin-Yi Wang
2021-01-28 6:13 ` CK Hu
2021-01-28 6:15 ` Hsin-Yi Wang
2021-01-28 7:00 ` CK Hu
2021-01-28 6:19 ` CK Hu
2021-01-27 4:54 ` [PATCH v10 9/9] drm/mediatek: add support for mediatek SOC MT8183 Hsin-Yi Wang
2021-01-28 6:17 ` CK Hu
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