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Commit a3e69b86 authored by Yannick Fertré's avatar Yannick Fertré Committed by Andrzej Hajda
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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: default avatarYannick Fertré <yannick.fertre@st.com>
Reviewed-by: default avatarPhilippe Cornu <philippe.cornu@st.com>
Tested-by: default avatarPhilippe Cornu <philippe.cornu@st.com>
Reviewed-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Signed-off-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1558952499-15418-2-git-send-email-yannick.fertre@st.com
parent 27c9130b

drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c

+8 −0
Original line number Diff line number Diff line
@@ -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

include/drm/bridge/dw_mipi_dsi.h

+2 −0
Original line number Diff line number Diff line
@@ -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,