drm/mediatek: add component DITHER (450aa87c) · Commits · 戴 / test

drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c

+32 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,12 @@
		#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
		@@ -147,6 +153,24 @@ 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)
		@@ -201,6 +225,12 @@ static const struct mtk_ddp_comp_funcs ddp_ccorr = {
		.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,
		@@ -225,6 +255,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
		[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",
		@@ -247,6 +278,7 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
		[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 },

drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ 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,
		@@ -40,6 +41,7 @@ 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,

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