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| author | Yannick Fertré | 2019-05-27 12:21:38 +0200 |
|---|---|---|
| committer | Andrzej Hajda | 2019-06-12 09:09:18 +0200 |
| commit | a3e69b86cf04b7c0b624572c181678ea74e83400 (patch) | |
| tree | 4cbd7bc94f8b709fd74e0c710fe86e985662bb5e | |
| parent | drm/rockchip: dw_hdmi: Handle suspend/resume (diff) | |
| download | kernel-qcow2-linux-a3e69b86cf04b7c0b624572c181678ea74e83400.tar.gz kernel-qcow2-linux-a3e69b86cf04b7c0b624572c181678ea74e83400.tar.xz kernel-qcow2-linux-a3e69b86cf04b7c0b624572c181678ea74e83400.zip | |
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 <yannick.fertre@st.com>
Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
Tested-by: Philippe Cornu <philippe.cornu@st.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1558952499-15418-2-git-send-email-yannick.fertre@st.com
| -rw-r--r-- | drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 8 | ||||
| -rw-r--r-- | include/drm/bridge/dw_mipi_dsi.h | 2 |
2 files changed, 10 insertions, 0 deletions
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, |