From: Yannick Fertré Date: Mon, 27 May 2019 10:21:38 +0000 (+0200) Subject: drm/bridge/synopsys: dsi: add power on/off optional phy ops X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a3e69b86cf04b7c0b624572c181678ea74e83400;p=openwrt%2Fstaging%2Fblogic.git drm/bridge/synopsys: dsi: add power on/off optional phy ops Add power on & off optional physical operation functions, helpful to program specific registers of the DSI physical part. Signed-off-by: Yannick Fertré Reviewed-by: Philippe Cornu Tested-by: Philippe Cornu Reviewed-by: Andrzej Hajda Signed-off-by: Andrzej Hajda Link: https://patchwork.freedesktop.org/patch/msgid/1558952499-15418-2-git-send-email-yannick.fertre@st.com --- diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c index a79c87bd0147..281c58bab1a1 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c @@ -778,6 +778,10 @@ static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi) static void dw_mipi_dsi_bridge_post_disable(struct drm_bridge *bridge) { struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge); + const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops; + + if (phy_ops->power_off) + phy_ops->power_off(dsi->plat_data->priv_data); /* * Switch to command mode before panel-bridge post_disable & @@ -877,11 +881,15 @@ static void dw_mipi_dsi_bridge_mode_set(struct drm_bridge *bridge, static void dw_mipi_dsi_bridge_enable(struct drm_bridge *bridge) { struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge); + const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops; /* Switch to video mode for panel-bridge enable & panel enable */ dw_mipi_dsi_set_mode(dsi, MIPI_DSI_MODE_VIDEO); if (dsi->slave) dw_mipi_dsi_set_mode(dsi->slave, MIPI_DSI_MODE_VIDEO); + + if (phy_ops->power_on) + phy_ops->power_on(dsi->plat_data->priv_data); } static enum drm_mode_status diff --git a/include/drm/bridge/dw_mipi_dsi.h b/include/drm/bridge/dw_mipi_dsi.h index 92cf9d1e1655..be8cdc2bf67d 100644 --- a/include/drm/bridge/dw_mipi_dsi.h +++ b/include/drm/bridge/dw_mipi_dsi.h @@ -22,6 +22,8 @@ struct platform_device; struct dw_mipi_dsi_phy_ops { int (*init)(void *priv_data); + void (*power_on)(void *priv_data); + void (*power_off)(void *priv_data); int (*get_lane_mbps)(void *priv_data, const struct drm_display_mode *mode, unsigned long mode_flags, u32 lanes, u32 format,