diff mbox series

[v2,12/25] drm/mediatek: add component DITHER

Message ID 1553667561-25447-13-git-send-email-yongqiang.niu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series add drm support for MT8183 | expand

Commit Message

Yongqiang Niu March 27, 2019, 6:19 a.m. UTC 
From: Yongqiang Niu <yongqiang.niu@mediatek.com>

This patch add component DITHER

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 32 +++++++++++++++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  2 ++
 2 files changed, 34 insertions(+)

Comments

CK Hu (胡俊光) April 11, 2019, 6:28 a.m. UTC | #1 
Hi, Yongqiang:

On Wed, 2019-03-27 at 14:19 +0800, yongqiang.niu@mediatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@mediatek.com>
> 
> This patch add component DITHER

Reviewed-by: CK Hu <ck.hu@mediatek.com>

> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 32 +++++++++++++++++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  2 ++
>  2 files changed, 34 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 24152e5..afd6ca2 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -47,6 +47,12 @@
>  #define CCORR_RELAY_MODE			BIT(0)
>  #define DISP_CCORR_SIZE				0x0030
>  
> +#define DISP_DITHER_EN				0x0000
> +#define DITHER_EN				BIT(0)
> +#define DISP_DITHER_CFG                        0x0020
> +#define DITHER_RELAY_MODE			BIT(0)
> +#define DISP_DITHER_SIZE			0x0030
> +
>  #define DISP_GAMMA_EN				0x0000
>  #define DISP_GAMMA_CFG				0x0020
>  #define DISP_GAMMA_SIZE				0x0030
> @@ -155,6 +161,24 @@ static void mtk_ccorr_stop(struct mtk_ddp_comp *comp)
>  	writel_relaxed(0x0, comp->regs + DISP_CCORR_EN);
>  }
>  
> +static void mtk_dither_config(struct mtk_ddp_comp *comp, unsigned int w,
> +			      unsigned int h, unsigned int vrefresh,
> +			      unsigned int bpc)
> +{
> +	writel(h << 16 | w, comp->regs + DISP_DITHER_SIZE);
> +	writel(DITHER_RELAY_MODE, comp->regs + DISP_DITHER_CFG);
> +}
> +
> +static void mtk_dither_start(struct mtk_ddp_comp *comp)
> +{
> +	writel(DITHER_EN, comp->regs + DISP_DITHER_EN);
> +}
> +
> +static void mtk_dither_stop(struct mtk_ddp_comp *comp)
> +{
> +	writel_relaxed(0x0, comp->regs + DISP_DITHER_EN);
> +}
> +
>  static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w,
>  			     unsigned int h, unsigned int vrefresh,
>  			     unsigned int bpc)
> @@ -209,6 +233,12 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp,
>  	.stop = mtk_ccorr_stop,
>  };
>  
> +static const struct mtk_ddp_comp_funcs ddp_dither = {
> +	.config = mtk_dither_config,
> +	.start = mtk_dither_start,
> +	.stop = mtk_dither_stop,
> +};
> +
>  static const struct mtk_ddp_comp_funcs ddp_gamma = {
>  	.gamma_set = mtk_gamma_set,
>  	.config = mtk_gamma_config,
> @@ -234,6 +264,7 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp,
>  	[MTK_DISP_CCORR] = "ccorr",
>  	[MTK_DISP_AAL] = "aal",
>  	[MTK_DISP_GAMMA] = "gamma",
> +	[MTK_DISP_DITHER] = "dither",
>  	[MTK_DISP_UFOE] = "ufoe",
>  	[MTK_DSI] = "dsi",
>  	[MTK_DPI] = "dpi",
> @@ -256,6 +287,7 @@ struct mtk_ddp_comp_match {
>  	[DDP_COMPONENT_CCORR]	= { MTK_DISP_CCORR,	0, &ddp_ccorr },
>  	[DDP_COMPONENT_COLOR0]	= { MTK_DISP_COLOR,	0, NULL },
>  	[DDP_COMPONENT_COLOR1]	= { MTK_DISP_COLOR,	1, NULL },
> +	[DDP_COMPONENT_DITHER]	= { MTK_DISP_DITHER,	0, &ddp_dither },
>  	[DDP_COMPONENT_DPI0]	= { MTK_DPI,		0, NULL },
>  	[DDP_COMPONENT_DPI1]	= { MTK_DPI,		1, NULL },
>  	[DDP_COMPONENT_DSI0]	= { MTK_DSI,		0, NULL },
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index 2c1b006..b76b663 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> @@ -30,6 +30,7 @@ enum mtk_ddp_comp_type {
>  	MTK_DISP_WDMA,
>  	MTK_DISP_COLOR,
>  	MTK_DISP_CCORR,
> +	MTK_DISP_DITHER,
>  	MTK_DISP_AAL,
>  	MTK_DISP_GAMMA,
>  	MTK_DISP_UFOE,
> @@ -49,6 +50,7 @@ enum mtk_ddp_comp_id {
>  	DDP_COMPONENT_CCORR,
>  	DDP_COMPONENT_COLOR0,
>  	DDP_COMPONENT_COLOR1,
> +	DDP_COMPONENT_DITHER,
>  	DDP_COMPONENT_DPI0,
>  	DDP_COMPONENT_DPI1,
>  	DDP_COMPONENT_DSI0,
diff mbox series

Patch

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 24152e5..afd6ca2 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -47,6 +47,12 @@ 
 #define CCORR_RELAY_MODE			BIT(0)
 #define DISP_CCORR_SIZE				0x0030
 
+#define DISP_DITHER_EN				0x0000
+#define DITHER_EN				BIT(0)
+#define DISP_DITHER_CFG                        0x0020
+#define DITHER_RELAY_MODE			BIT(0)
+#define DISP_DITHER_SIZE			0x0030
+
 #define DISP_GAMMA_EN				0x0000
 #define DISP_GAMMA_CFG				0x0020
 #define DISP_GAMMA_SIZE				0x0030
@@ -155,6 +161,24 @@  static void mtk_ccorr_stop(struct mtk_ddp_comp *comp)
 	writel_relaxed(0x0, comp->regs + DISP_CCORR_EN);
 }
 
+static void mtk_dither_config(struct mtk_ddp_comp *comp, unsigned int w,
+			      unsigned int h, unsigned int vrefresh,
+			      unsigned int bpc)
+{
+	writel(h << 16 | w, comp->regs + DISP_DITHER_SIZE);
+	writel(DITHER_RELAY_MODE, comp->regs + DISP_DITHER_CFG);
+}
+
+static void mtk_dither_start(struct mtk_ddp_comp *comp)
+{
+	writel(DITHER_EN, comp->regs + DISP_DITHER_EN);
+}
+
+static void mtk_dither_stop(struct mtk_ddp_comp *comp)
+{
+	writel_relaxed(0x0, comp->regs + DISP_DITHER_EN);
+}
+
 static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w,
 			     unsigned int h, unsigned int vrefresh,
 			     unsigned int bpc)
@@ -209,6 +233,12 @@  static void mtk_gamma_set(struct mtk_ddp_comp *comp,
 	.stop = mtk_ccorr_stop,
 };
 
+static const struct mtk_ddp_comp_funcs ddp_dither = {
+	.config = mtk_dither_config,
+	.start = mtk_dither_start,
+	.stop = mtk_dither_stop,
+};
+
 static const struct mtk_ddp_comp_funcs ddp_gamma = {
 	.gamma_set = mtk_gamma_set,
 	.config = mtk_gamma_config,
@@ -234,6 +264,7 @@  static void mtk_gamma_set(struct mtk_ddp_comp *comp,
 	[MTK_DISP_CCORR] = "ccorr",
 	[MTK_DISP_AAL] = "aal",
 	[MTK_DISP_GAMMA] = "gamma",
+	[MTK_DISP_DITHER] = "dither",
 	[MTK_DISP_UFOE] = "ufoe",
 	[MTK_DSI] = "dsi",
 	[MTK_DPI] = "dpi",
@@ -256,6 +287,7 @@  struct mtk_ddp_comp_match {
 	[DDP_COMPONENT_CCORR]	= { MTK_DISP_CCORR,	0, &ddp_ccorr },
 	[DDP_COMPONENT_COLOR0]	= { MTK_DISP_COLOR,	0, NULL },
 	[DDP_COMPONENT_COLOR1]	= { MTK_DISP_COLOR,	1, NULL },
+	[DDP_COMPONENT_DITHER]	= { MTK_DISP_DITHER,	0, &ddp_dither },
 	[DDP_COMPONENT_DPI0]	= { MTK_DPI,		0, NULL },
 	[DDP_COMPONENT_DPI1]	= { MTK_DPI,		1, NULL },
 	[DDP_COMPONENT_DSI0]	= { MTK_DSI,		0, NULL },
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index 2c1b006..b76b663 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -30,6 +30,7 @@  enum mtk_ddp_comp_type {
 	MTK_DISP_WDMA,
 	MTK_DISP_COLOR,
 	MTK_DISP_CCORR,
+	MTK_DISP_DITHER,
 	MTK_DISP_AAL,
 	MTK_DISP_GAMMA,
 	MTK_DISP_UFOE,
@@ -49,6 +50,7 @@  enum mtk_ddp_comp_id {
 	DDP_COMPONENT_CCORR,
 	DDP_COMPONENT_COLOR0,
 	DDP_COMPONENT_COLOR1,
+	DDP_COMPONENT_DITHER,
 	DDP_COMPONENT_DPI0,
 	DDP_COMPONENT_DPI1,
 	DDP_COMPONENT_DSI0,