diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dsi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index a7caf75fb971..881c0afabf17 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -125,6 +125,10 @@ #define VM_CMD_EN BIT(0) #define TS_VFP_EN BIT(5) +#define DSI_SHADOW_DEBUG 0x190U +#define FORCE_COMMIT BIT(0) +#define BYPASS_SHADOW BIT(1) + #define CONFIG (0xff << 0) #define SHORT_PACKET 0 #define LONG_PACKET 2 @@ -151,6 +155,7 @@ struct phy; struct mtk_dsi_driver_data { const u32 reg_cmdq_off; + bool has_shadow_ctl; }; struct mtk_dsi { @@ -588,6 +593,11 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi) } mtk_dsi_enable(dsi); + + if (dsi->driver_data->has_shadow_ctl) + writel(FORCE_COMMIT | BYPASS_SHADOW, + dsi->regs + DSI_SHADOW_DEBUG); + mtk_dsi_reset_engine(dsi); mtk_dsi_phy_timconfig(dsi); |