Hi, Hsin-Yi:
Chun-Kuang Hu chunkuang.hu@kernel.org 於 2021年2月1日 週一 上午12:20寫道：
Hi, Hsin-Yi:
Hsin-Yi Wang hsinyi@chromium.org 於 2021年1月31日 週日 下午1:11寫道：
From: Yongqiang Niu yongqiang.niu@mediatek.com
Enable dither function to improve the display quality.
Reviewed-by: Chun-Kuang Hu chunkuang.hu@kernel.org
Applied to mediatek-drm-next [1], thanks.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?...
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com Signed-off-by: Hsin-Yi Wang hsinyi@chromium.org
Previous version: https://patchwork.kernel.org/project/linux-mediatek/patch/20210129092209.258...
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index c730029ac8fc7..0444b429daf00 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -53,6 +53,7 @@ #define DITHER_EN BIT(0) #define DISP_DITHER_CFG 0x0020 #define DITHER_RELAY_MODE BIT(0) +#define DITHER_ENGINE_EN BIT(1) #define DISP_DITHER_SIZE 0x0030
#define LUT_10BIT_MASK 0x03ff @@ -315,8 +316,12 @@ static void mtk_dither_config(struct device *dev, unsigned int w, { struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs, DISP_DITHER_SIZE);mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, &priv->cmdq_reg, priv->regs, DISP_DITHER_CFG);
mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs,DISP_DITHER_SIZE);mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, &priv->cmdq_reg, priv->regs,DISP_DITHER_CFG);mtk_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, DISP_DITHER_CFG,DITHER_ENGINE_EN, cmdq_pkt);}
static void mtk_dither_start(struct device *dev)
2.30.0.365.g02bc693789-goog
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