From: Hsin-Yi Wang <hsinyi@chromium.org>
To: CK Hu <ck.hu@mediatek.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org,
Yongqiang Niu <yongqiang.niu@mediatek.com>,
David Airlie <airlied@linux.ie>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v13 3/8] drm/mediatek: add mtk_dither_set_common() function
Date: Fri, 29 Jan 2021 17:22:04 +0800 [thread overview]
Message-ID: <20210129092209.2584718-4-hsinyi@chromium.org> (raw)
In-Reply-To: <20210129092209.2584718-1-hsinyi@chromium.org>
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.
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
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next prev parent reply other threads:[~2021-01-30 11:29 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 ` Hsin-Yi Wang [this message]
2021-01-30 9:50 ` [PATCH v13 3/8] drm/mediatek: add mtk_dither_set_common() function Chun-Kuang Hu
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
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