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drm/bridge: Rename bridge helpers targeting a bridge chain 

Change the prefix of bridge helpers targeting a bridge chain from
drm_bridge_ to drm_bridge_chain_ to better reflect the fact that
the operation will happen on all elements of chain, starting at the
bridge passed in argument.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191203141515.3597631-2-boris.brezillon@collabora.com
This commit is contained in:
Boris Brezillon 2019-12-03 15:15:05 +01:00
parent 64e62bdf04
commit ea099adfdf
7 changed files with 120 additions and 110 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/gpu/drm/drm_atomic_helper.c
View File

@ -435,8 +435,9 @@ mode_fixup(struct drm_atomic_state *state)
encoder = new_conn_state->best_encoder;
funcs = encoder->helper_private;
ret = drm_bridge_mode_fixup(encoder->bridge, &new_crtc_state->mode,
&new_crtc_state->adjusted_mode);
ret = drm_bridge_chain_mode_fixup(encoder->bridge,
&new_crtc_state->mode,
&new_crtc_state->adjusted_mode);
if (!ret) {
DRM_DEBUG_ATOMIC("Bridge fixup failed\n");
return -EINVAL;
@ -501,7 +502,7 @@ static enum drm_mode_status mode_valid_path(struct drm_connector *connector,
return ret;
}
ret = drm_bridge_mode_valid(encoder->bridge, mode);
ret = drm_bridge_chain_mode_valid(encoder->bridge, mode);
if (ret != MODE_OK) {
DRM_DEBUG_ATOMIC("[BRIDGE] mode_valid() failed\n");
return ret;
@ -1020,7 +1021,7 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
* Each encoder has at most one connector (since we always steal
* it away), so we won't call disable hooks twice.
*/
drm_atomic_bridge_disable(encoder->bridge, old_state);
drm_atomic_bridge_chain_disable(encoder->bridge, old_state);
/* Right function depends upon target state. */
if (funcs) {
@ -1034,7 +1035,8 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
}
drm_atomic_bridge_post_disable(encoder->bridge, old_state);
drm_atomic_bridge_chain_post_disable(encoder->bridge,
old_state);
}
for_each_oldnew_crtc_in_state(old_state, crtc, old_crtc_state, new_crtc_state, i) {
@ -1215,7 +1217,8 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state)
funcs->mode_set(encoder, mode, adjusted_mode);
}
drm_bridge_mode_set(encoder->bridge, mode, adjusted_mode);
drm_bridge_chain_mode_set(encoder->bridge, mode,
adjusted_mode);
}
}
@ -1332,7 +1335,7 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
* Each encoder has at most one connector (since we always steal
* it away), so we won't call enable hooks twice.
*/
drm_atomic_bridge_pre_enable(encoder->bridge, old_state);
drm_atomic_bridge_chain_pre_enable(encoder->bridge, old_state);
if (funcs) {
if (funcs->atomic_enable)
@ -1343,7 +1346,7 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
funcs->commit(encoder);
}
drm_atomic_bridge_enable(encoder->bridge, old_state);
drm_atomic_bridge_chain_enable(encoder->bridge, old_state);
}
drm_atomic_helper_commit_writebacks(dev, old_state);

125
drivers/gpu/drm/drm_bridge.c
View File

@ -172,8 +172,8 @@ void drm_bridge_detach(struct drm_bridge *bridge)
*/
/**
* drm_bridge_mode_fixup - fixup proposed mode for all bridges in the
* encoder chain
* drm_bridge_chain_mode_fixup - fixup proposed mode for all bridges in the
* encoder chain
* @bridge: bridge control structure
* @mode: desired mode to be set for the bridge
* @adjusted_mode: updated mode that works for this bridge
@ -186,9 +186,9 @@ void drm_bridge_detach(struct drm_bridge *bridge)
* RETURNS:
* true on success, false on failure
*/
bool drm_bridge_mode_fixup(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
bool drm_bridge_chain_mode_fixup(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
bool ret = true;
@ -198,15 +198,16 @@ bool drm_bridge_mode_fixup(struct drm_bridge *bridge,
if (bridge->funcs->mode_fixup)
ret = bridge->funcs->mode_fixup(bridge, mode, adjusted_mode);
ret = ret && drm_bridge_mode_fixup(bridge->next, mode, adjusted_mode);
ret = ret && drm_bridge_chain_mode_fixup(bridge->next, mode,
adjusted_mode);
return ret;
}
EXPORT_SYMBOL(drm_bridge_mode_fixup);
EXPORT_SYMBOL(drm_bridge_chain_mode_fixup);
/**
* drm_bridge_mode_valid - validate the mode against all bridges in the
* encoder chain.
* drm_bridge_chain_mode_valid - validate the mode against all bridges in the
* encoder chain.
* @bridge: bridge control structure
* @mode: desired mode to be validated
*
@ -219,8 +220,9 @@ EXPORT_SYMBOL(drm_bridge_mode_fixup);
* RETURNS:
* MODE_OK on success, drm_mode_status Enum error code on failure
*/
enum drm_mode_status drm_bridge_mode_valid(struct drm_bridge *bridge,
const struct drm_display_mode *mode)
enum drm_mode_status
drm_bridge_chain_mode_valid(struct drm_bridge *bridge,
const struct drm_display_mode *mode)
{
enum drm_mode_status ret = MODE_OK;
@ -233,12 +235,12 @@ enum drm_mode_status drm_bridge_mode_valid(struct drm_bridge *bridge,
if (ret != MODE_OK)
return ret;
return drm_bridge_mode_valid(bridge->next, mode);
return drm_bridge_chain_mode_valid(bridge->next, mode);
}
EXPORT_SYMBOL(drm_bridge_mode_valid);
EXPORT_SYMBOL(drm_bridge_chain_mode_valid);
/**
* drm_bridge_disable - disables all bridges in the encoder chain
* drm_bridge_chain_disable - disables all bridges in the encoder chain
* @bridge: bridge control structure
*
* Calls &drm_bridge_funcs.disable op for all the bridges in the encoder
@ -247,20 +249,21 @@ EXPORT_SYMBOL(drm_bridge_mode_valid);
*
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_bridge_disable(struct drm_bridge *bridge)
void drm_bridge_chain_disable(struct drm_bridge *bridge)
{
if (!bridge)
return;
drm_bridge_disable(bridge->next);
drm_bridge_chain_disable(bridge->next);
if (bridge->funcs->disable)
bridge->funcs->disable(bridge);
}
EXPORT_SYMBOL(drm_bridge_disable);
EXPORT_SYMBOL(drm_bridge_chain_disable);
/**
* drm_bridge_post_disable - cleans up after disabling all bridges in the encoder chain
* drm_bridge_chain_post_disable - cleans up after disabling all bridges in the
* encoder chain
* @bridge: bridge control structure
*
* Calls &drm_bridge_funcs.post_disable op for all the bridges in the
@ -269,7 +272,7 @@ EXPORT_SYMBOL(drm_bridge_disable);
*
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_bridge_post_disable(struct drm_bridge *bridge)
void drm_bridge_chain_post_disable(struct drm_bridge *bridge)
{
if (!bridge)
return;
@ -277,25 +280,25 @@ void drm_bridge_post_disable(struct drm_bridge *bridge)
if (bridge->funcs->post_disable)
bridge->funcs->post_disable(bridge);
drm_bridge_post_disable(bridge->next);
drm_bridge_chain_post_disable(bridge->next);
}
EXPORT_SYMBOL(drm_bridge_post_disable);
EXPORT_SYMBOL(drm_bridge_chain_post_disable);
/**
* drm_bridge_mode_set - set proposed mode for all bridges in the
* encoder chain
* drm_bridge_chain_mode_set - set proposed mode for all bridges in the
* encoder chain
* @bridge: bridge control structure
* @mode: desired mode to be set for the bridge
* @adjusted_mode: updated mode that works for this bridge
* @mode: desired mode to be set for the encoder chain
* @adjusted_mode: updated mode that works for this encoder chain
*
* Calls &drm_bridge_funcs.mode_set op for all the bridges in the
* encoder chain, starting from the first bridge to the last.
*
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_bridge_mode_set(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
const struct drm_display_mode *adjusted_mode)
void drm_bridge_chain_mode_set(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
const struct drm_display_mode *adjusted_mode)
{
if (!bridge)
return;
@ -303,13 +306,13 @@ void drm_bridge_mode_set(struct drm_bridge *bridge,
if (bridge->funcs->mode_set)
bridge->funcs->mode_set(bridge, mode, adjusted_mode);
drm_bridge_mode_set(bridge->next, mode, adjusted_mode);
drm_bridge_chain_mode_set(bridge->next, mode, adjusted_mode);
}
EXPORT_SYMBOL(drm_bridge_mode_set);
EXPORT_SYMBOL(drm_bridge_chain_mode_set);
/**
* drm_bridge_pre_enable - prepares for enabling all
* bridges in the encoder chain
* drm_bridge_chain_pre_enable - prepares for enabling all bridges in the
* encoder chain
* @bridge: bridge control structure
*
* Calls &drm_bridge_funcs.pre_enable op for all the bridges in the encoder
@ -318,20 +321,20 @@ EXPORT_SYMBOL(drm_bridge_mode_set);
*
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_bridge_pre_enable(struct drm_bridge *bridge)
void drm_bridge_chain_pre_enable(struct drm_bridge *bridge)
{
if (!bridge)
return;
drm_bridge_pre_enable(bridge->next);
drm_bridge_chain_pre_enable(bridge->next);
if (bridge->funcs->pre_enable)
bridge->funcs->pre_enable(bridge);
}
EXPORT_SYMBOL(drm_bridge_pre_enable);
EXPORT_SYMBOL(drm_bridge_chain_pre_enable);
/**
* drm_bridge_enable - enables all bridges in the encoder chain
* drm_bridge_chain_enable - enables all bridges in the encoder chain
* @bridge: bridge control structure
*
* Calls &drm_bridge_funcs.enable op for all the bridges in the encoder
@ -340,7 +343,7 @@ EXPORT_SYMBOL(drm_bridge_pre_enable);
*
* Note that the bridge passed should be the one closest to the encoder
*/
void drm_bridge_enable(struct drm_bridge *bridge)
void drm_bridge_chain_enable(struct drm_bridge *bridge)
{
if (!bridge)
return;
@ -348,12 +351,12 @@ void drm_bridge_enable(struct drm_bridge *bridge)
if (bridge->funcs->enable)
bridge->funcs->enable(bridge);
drm_bridge_enable(bridge->next);
drm_bridge_chain_enable(bridge->next);
}
EXPORT_SYMBOL(drm_bridge_enable);
EXPORT_SYMBOL(drm_bridge_chain_enable);
/**
* drm_atomic_bridge_disable - disables all bridges in the encoder chain
* drm_atomic_bridge_chain_disable - disables all bridges in the encoder chain
* @bridge: bridge control structure
* @state: atomic state being committed
*
@ -364,24 +367,24 @@ EXPORT_SYMBOL(drm_bridge_enable);
*
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_atomic_bridge_disable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
void drm_atomic_bridge_chain_disable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
{
if (!bridge)
return;
drm_atomic_bridge_disable(bridge->next, state);
drm_atomic_bridge_chain_disable(bridge->next, state);
if (bridge->funcs->atomic_disable)
bridge->funcs->atomic_disable(bridge, state);
else if (bridge->funcs->disable)
bridge->funcs->disable(bridge);
}
EXPORT_SYMBOL(drm_atomic_bridge_disable);
EXPORT_SYMBOL(drm_atomic_bridge_chain_disable);
/**
* drm_atomic_bridge_post_disable - cleans up after disabling all bridges in the
* encoder chain
* drm_atomic_bridge_chain_post_disable - cleans up after disabling all bridges
* in the encoder chain
* @bridge: bridge control structure
* @state: atomic state being committed
*
@ -392,8 +395,8 @@ EXPORT_SYMBOL(drm_atomic_bridge_disable);
*
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_atomic_bridge_post_disable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
void drm_atomic_bridge_chain_post_disable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
{
if (!bridge)
return;
@ -403,13 +406,13 @@ void drm_atomic_bridge_post_disable(struct drm_bridge *bridge,
else if (bridge->funcs->post_disable)
bridge->funcs->post_disable(bridge);
drm_atomic_bridge_post_disable(bridge->next, state);
drm_atomic_bridge_chain_post_disable(bridge->next, state);
}
EXPORT_SYMBOL(drm_atomic_bridge_post_disable);
EXPORT_SYMBOL(drm_atomic_bridge_chain_post_disable);
/**
* drm_atomic_bridge_pre_enable - prepares for enabling all bridges in the
* encoder chain
* drm_atomic_bridge_chain_pre_enable - prepares for enabling all bridges in
* the encoder chain
* @bridge: bridge control structure
* @state: atomic state being committed
*
@ -420,23 +423,23 @@ EXPORT_SYMBOL(drm_atomic_bridge_post_disable);
*
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_atomic_bridge_pre_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
void drm_atomic_bridge_chain_pre_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
{
if (!bridge)
return;
drm_atomic_bridge_pre_enable(bridge->next, state);
drm_atomic_bridge_chain_pre_enable(bridge->next, state);
if (bridge->funcs->atomic_pre_enable)
bridge->funcs->atomic_pre_enable(bridge, state);
else if (bridge->funcs->pre_enable)
bridge->funcs->pre_enable(bridge);
}
EXPORT_SYMBOL(drm_atomic_bridge_pre_enable);
EXPORT_SYMBOL(drm_atomic_bridge_chain_pre_enable);
/**
* drm_atomic_bridge_enable - enables all bridges in the encoder chain
* drm_atomic_bridge_chain_enable - enables all bridges in the encoder chain
* @bridge: bridge control structure
* @state: atomic state being committed
*
@ -447,8 +450,8 @@ EXPORT_SYMBOL(drm_atomic_bridge_pre_enable);
*
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_atomic_bridge_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
void drm_atomic_bridge_chain_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
{
if (!bridge)
return;
@ -458,9 +461,9 @@ void drm_atomic_bridge_enable(struct drm_bridge *bridge,
else if (bridge->funcs->enable)
bridge->funcs->enable(bridge);
drm_atomic_bridge_enable(bridge->next, state);
drm_atomic_bridge_chain_enable(bridge->next, state);
}
EXPORT_SYMBOL(drm_atomic_bridge_enable);
EXPORT_SYMBOL(drm_atomic_bridge_chain_enable);
#ifdef CONFIG_OF
/**

2
drivers/gpu/drm/drm_probe_helper.c
View File

@ -112,7 +112,7 @@ drm_mode_validate_pipeline(struct drm_display_mode *mode,
continue;
}
ret = drm_bridge_mode_valid(encoder->bridge, mode);
ret = drm_bridge_chain_mode_valid(encoder->bridge, mode);
if (ret != MODE_OK) {
/* There is also no point in continuing for crtc check
* here. */

8
drivers/gpu/drm/exynos/exynos_drm_dsi.c
View File

@ -1390,7 +1390,7 @@ static void exynos_dsi_enable(struct drm_encoder *encoder)
if (ret < 0)
goto err_put_sync;
} else {
drm_bridge_pre_enable(dsi->out_bridge);
drm_bridge_chain_pre_enable(dsi->out_bridge);
}
exynos_dsi_set_display_mode(dsi);
@ -1401,7 +1401,7 @@ static void exynos_dsi_enable(struct drm_encoder *encoder)
if (ret < 0)
goto err_display_disable;
} else {
drm_bridge_enable(dsi->out_bridge);
drm_bridge_chain_enable(dsi->out_bridge);
}
dsi->state |= DSIM_STATE_VIDOUT_AVAILABLE;
@ -1426,10 +1426,10 @@ static void exynos_dsi_disable(struct drm_encoder *encoder)
dsi->state &= ~DSIM_STATE_VIDOUT_AVAILABLE;
drm_panel_disable(dsi->panel);
drm_bridge_disable(dsi->out_bridge);
drm_bridge_chain_disable(dsi->out_bridge);
exynos_dsi_set_display_enable(dsi, false);
drm_panel_unprepare(dsi->panel);
drm_bridge_post_disable(dsi->out_bridge);
drm_bridge_chain_post_disable(dsi->out_bridge);
dsi->state &= ~DSIM_STATE_ENABLED;
pm_runtime_put_sync(dsi->dev);
}

4
drivers/gpu/drm/mediatek/mtk_hdmi.c
View File

@ -1247,8 +1247,8 @@ static int mtk_hdmi_conn_mode_valid(struct drm_connector *conn,
struct drm_display_mode adjusted_mode;
drm_mode_copy(&adjusted_mode, mode);
if (!drm_bridge_mode_fixup(hdmi->bridge.next, mode,
&adjusted_mode))
if (!drm_bridge_chain_mode_fixup(hdmi->bridge.next, mode,
&adjusted_mode))
return MODE_BAD;
}

8
drivers/gpu/drm/vc4/vc4_dsi.c
View File

@ -753,9 +753,9 @@ static void vc4_dsi_encoder_disable(struct drm_encoder *encoder)
struct vc4_dsi *dsi = vc4_encoder->dsi;
struct device *dev = &dsi->pdev->dev;
drm_bridge_disable(dsi->bridge);
drm_bridge_chain_disable(dsi->bridge);
vc4_dsi_ulps(dsi, true);
drm_bridge_post_disable(dsi->bridge);
drm_bridge_chain_post_disable(dsi->bridge);
clk_disable_unprepare(dsi->pll_phy_clock);
clk_disable_unprepare(dsi->escape_clock);
@ -1055,7 +1055,7 @@ static void vc4_dsi_encoder_enable(struct drm_encoder *encoder)
vc4_dsi_ulps(dsi, false);
drm_bridge_pre_enable(dsi->bridge);
drm_bridge_chain_pre_enable(dsi->bridge);
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) {
DSI_PORT_WRITE(DISP0_CTRL,
@ -1072,7 +1072,7 @@ static void vc4_dsi_encoder_enable(struct drm_encoder *encoder)
DSI_DISP0_ENABLE);
}
drm_bridge_enable(dsi->bridge);
drm_bridge_chain_enable(dsi->bridge);
if (debug_dump_regs) {
struct drm_printer p = drm_info_printer(&dsi->pdev->dev);

64
include/drm/drm_bridge.h
View File

@ -254,9 +254,10 @@ struct drm_bridge_funcs {
* there is one) when this callback is called.
*
* Note that this function will only be invoked in the context of an
* atomic commit. It will not be invoked from &drm_bridge_pre_enable. It
* would be prudent to also provide an implementation of @pre_enable if
* you are expecting driver calls into &drm_bridge_pre_enable.
* atomic commit. It will not be invoked from
* &drm_bridge_chain_pre_enable. It would be prudent to also provide an
* implementation of @pre_enable if you are expecting driver calls into
* &drm_bridge_chain_pre_enable.
*
* The @atomic_pre_enable callback is optional.
*/
@ -279,9 +280,9 @@ struct drm_bridge_funcs {
* chain if there is one.
*
* Note that this function will only be invoked in the context of an
* atomic commit. It will not be invoked from &drm_bridge_enable. It
* would be prudent to also provide an implementation of @enable if
* you are expecting driver calls into &drm_bridge_enable.
* atomic commit. It will not be invoked from &drm_bridge_chain_enable.
* It would be prudent to also provide an implementation of @enable if
* you are expecting driver calls into &drm_bridge_chain_enable.
*
* The @atomic_enable callback is optional.
*/
@ -301,9 +302,10 @@ struct drm_bridge_funcs {
* signals) feeding it is still running when this callback is called.
*
* Note that this function will only be invoked in the context of an
* atomic commit. It will not be invoked from &drm_bridge_disable. It
* would be prudent to also provide an implementation of @disable if
* you are expecting driver calls into &drm_bridge_disable.
* atomic commit. It will not be invoked from
* &drm_bridge_chain_disable. It would be prudent to also provide an
* implementation of @disable if you are expecting driver calls into
* &drm_bridge_chain_disable.
*
* The @atomic_disable callback is optional.
*/
@ -325,10 +327,11 @@ struct drm_bridge_funcs {
* called.
*
* Note that this function will only be invoked in the context of an
* atomic commit. It will not be invoked from &drm_bridge_post_disable.
* atomic commit. It will not be invoked from
* &drm_bridge_chain_post_disable.
* It would be prudent to also provide an implementation of
* @post_disable if you are expecting driver calls into
* &drm_bridge_post_disable.
* &drm_bridge_chain_post_disable.
*
* The @atomic_post_disable callback is optional.
*/
@ -406,27 +409,28 @@ struct drm_bridge *of_drm_find_bridge(struct device_node *np);
int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
struct drm_bridge *previous);
bool drm_bridge_mode_fixup(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
enum drm_mode_status drm_bridge_mode_valid(struct drm_bridge *bridge,
const struct drm_display_mode *mode);
void drm_bridge_disable(struct drm_bridge *bridge);
void drm_bridge_post_disable(struct drm_bridge *bridge);
void drm_bridge_mode_set(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
const struct drm_display_mode *adjusted_mode);
void drm_bridge_pre_enable(struct drm_bridge *bridge);
void drm_bridge_enable(struct drm_bridge *bridge);
bool drm_bridge_chain_mode_fixup(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
enum drm_mode_status
drm_bridge_chain_mode_valid(struct drm_bridge *bridge,
const struct drm_display_mode *mode);
void drm_bridge_chain_disable(struct drm_bridge *bridge);
void drm_bridge_chain_post_disable(struct drm_bridge *bridge);
void drm_bridge_chain_mode_set(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
const struct drm_display_mode *adjusted_mode);
void drm_bridge_chain_pre_enable(struct drm_bridge *bridge);
void drm_bridge_chain_enable(struct drm_bridge *bridge);
void drm_atomic_bridge_disable(struct drm_bridge *bridge,
struct drm_atomic_state *state);
void drm_atomic_bridge_post_disable(struct drm_bridge *bridge,
void drm_atomic_bridge_chain_disable(struct drm_bridge *bridge,
struct drm_atomic_state *state);
void drm_atomic_bridge_chain_post_disable(struct drm_bridge *bridge,
struct drm_atomic_state *state);
void drm_atomic_bridge_chain_pre_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state);
void drm_atomic_bridge_chain_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state);
void drm_atomic_bridge_pre_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state);
void drm_atomic_bridge_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state);
#ifdef CONFIG_DRM_PANEL_BRIDGE
struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel);