From mboxrd@z Thu Jan 1 00:00:00 1970 From: yt.shen@mediatek.com (YT Shen) Date: Fri, 2 Sep 2016 19:24:39 +0800 Subject: [PATCH v7 4/9] drm/mediatek: update display module connections In-Reply-To: <1472815484-43821-1-git-send-email-yt.shen@mediatek.com> References: <1472815484-43821-1-git-send-email-yt.shen@mediatek.com> Message-ID: <1472815484-43821-5-git-send-email-yt.shen@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org update connections for OVL, RDMA, BLS, DSI Signed-off-by: YT Shen --- drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c index b77d456..a9b209c 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c @@ -32,6 +32,10 @@ #define DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN 0x0c8 #define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100 +#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030 +#define DISP_REG_CONFIG_OUT_SEL 0x04c +#define DISP_REG_CONFIG_DSI_SEL 0x050 + #define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n)) #define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n)) #define DISP_REG_MUTEX_RST(n) (0x28 + 0x20 * (n)) @@ -71,6 +75,10 @@ #define DPI0_SEL_IN_RDMA1 0x1 #define COLOR1_SEL_IN_OVL1 0x1 +#define OVL_MOUT_EN_RDMA 0x1 +#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8 +#define DSI_SEL_IN_BLS 0x0 + struct mtk_disp_mutex { int id; bool claimed; @@ -111,6 +119,9 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur, if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) { *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN; value = OVL0_MOUT_EN_COLOR0; + } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) { + *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN; + value = OVL_MOUT_EN_RDMA; } else if (cur == DDP_COMPONENT_OD && next == DDP_COMPONENT_RDMA0) { *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN; value = OD_MOUT_EN_RDMA0; @@ -148,6 +159,9 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur, } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) { *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN; value = COLOR1_SEL_IN_OVL1; + } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { + *addr = DISP_REG_CONFIG_DSI_SEL; + value = DSI_SEL_IN_BLS; } else { value = 0; } @@ -155,6 +169,15 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur, return value; } +static void mtk_ddp_sout_sel(void __iomem *config_regs, + enum mtk_ddp_comp_id cur, + enum mtk_ddp_comp_id next) +{ + if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) + writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1, + config_regs + DISP_REG_CONFIG_OUT_SEL); +} + void mtk_ddp_add_comp_to_path(void __iomem *config_regs, enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next) @@ -167,6 +190,8 @@ void mtk_ddp_add_comp_to_path(void __iomem *config_regs, writel_relaxed(reg, config_regs + addr); } + mtk_ddp_sout_sel(config_regs, cur, next); + value = mtk_ddp_sel_in(cur, next, &addr); if (value) { reg = readl_relaxed(config_regs + addr) | value; -- 1.9.1