* [PATCH] drm/mediatek: enable dither function
@ 2021-01-31 5:10 Hsin-Yi Wang
[not found] ` <CAAOTY_9kOnYDs=_22qBV7kOM74zcfKaobN0wBZaXzx31KsrG5Q@mail.gmail.com>
0 siblings, 1 reply; 2+ messages in thread
From: Hsin-Yi Wang @ 2021-01-31 5:10 UTC (permalink / raw)
To: CK Hu, Philipp Zabel, Matthias Brugger
Cc: David Airlie, Daniel Vetter, Mark Rutland, dri-devel, devicetree,
linux-kernel, linux-arm-kernel, linux-mediatek, Yongqiang Niu
From: Yongqiang Niu <yongqiang.niu@mediatek.com>
Enable dither function to improve the display quality.
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/20210129092209.2584718-7-hsinyi@chromium.org/
---
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/mediatek: enable dither function
[not found] ` <CAAOTY_9kOnYDs=_22qBV7kOM74zcfKaobN0wBZaXzx31KsrG5Q@mail.gmail.com>
@ 2021-02-01 13:36 ` Chun-Kuang Hu
0 siblings, 0 replies; 2+ messages in thread
From: Chun-Kuang Hu @ 2021-02-01 13:36 UTC (permalink / raw)
To: Chun-Kuang Hu
Cc: Hsin-Yi Wang, CK Hu, Philipp Zabel, Matthias Brugger,
Mark Rutland, DTML, Yongqiang Niu, David Airlie, linux-kernel,
DRI Development, moderated list:ARM/Mediatek SoC support,
Daniel Vetter, Linux ARM
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/?h=mediatek-drm-next
> >
> > 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/20210129092209.2584718-7-hsinyi@chromium.org/
> > ---
> > 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
> >
> >
> > _______________________________________________
> > Linux-mediatek mailing list
> > Linux-mediatek@lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-mediatek
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-02-01 13:37 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-01-31 5:10 [PATCH] drm/mediatek: enable dither function Hsin-Yi Wang
[not found] ` <CAAOTY_9kOnYDs=_22qBV7kOM74zcfKaobN0wBZaXzx31KsrG5Q@mail.gmail.com>
2021-02-01 13:36 ` Chun-Kuang Hu
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).