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drm/mediatek: implement connection from BLS to DPI0

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Modify display driver to support connection from BLS to DPI.

Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
Bibby Hsieh 2018-10-03 11:41:50 +08:00 committed by CK Hu
parent 0fc721b296
commit 014e604196
1 changed files with 13 additions and 1 deletions
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14
drivers/gpu/drm/mediatek/mtk_drm_ddp.c
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@ -39,6 +39,7 @@
#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_CONFIG_DPI_SEL 0x064
#define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n))
#define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n))
@ -136,7 +137,10 @@
#define OVL_MOUT_EN_RDMA 0x1
#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8
#define BLS_TO_DPI_RDMA1_TO_DSI 0x2
#define DSI_SEL_IN_BLS 0x0
#define DPI_SEL_IN_BLS 0x0
#define DSI_SEL_IN_RDMA 0x1
struct mtk_disp_mutex {
int id;
@ -339,9 +343,17 @@ 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)
if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1,
config_regs + DISP_REG_CONFIG_OUT_SEL);
} else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI,
config_regs + DISP_REG_CONFIG_OUT_SEL);
writel_relaxed(DSI_SEL_IN_RDMA,
config_regs + DISP_REG_CONFIG_DSI_SEL);
writel_relaxed(DPI_SEL_IN_BLS,
config_regs + DISP_REG_CONFIG_DPI_SEL);
}
}
void mtk_ddp_add_comp_to_path(void __iomem *config_regs,