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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: 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
This commit is contained in:
Yannick Fertré 2019-05-27 12:21:38 +02:00 committed by Andrzej Hajda
parent 27c9130bae
commit a3e69b86cf
2 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
View File

@ -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

2
include/drm/bridge/dw_mipi_dsi.h
View File

@ -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,