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path: root/drivers/gpu/drm/drm_bridge.c
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Diffstat (limited to 'drivers/gpu/drm/drm_bridge.c')
-rw-r--r--drivers/gpu/drm/drm_bridge.c79
1 files changed, 22 insertions, 57 deletions
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index 241a384ebce3..fa2794217a90 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -550,7 +550,7 @@ EXPORT_SYMBOL(drm_bridge_chain_mode_set);
/**
* drm_atomic_bridge_chain_disable - disables all bridges in the encoder chain
* @bridge: bridge control structure
- * @old_state: old atomic state
+ * @state: atomic state being committed
*
* Calls &drm_bridge_funcs.atomic_disable (falls back on
* &drm_bridge_funcs.disable) op for all the bridges in the encoder chain,
@@ -560,7 +560,7 @@ EXPORT_SYMBOL(drm_bridge_chain_mode_set);
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_atomic_bridge_chain_disable(struct drm_bridge *bridge,
- struct drm_atomic_state *old_state)
+ struct drm_atomic_state *state)
{
struct drm_encoder *encoder;
struct drm_bridge *iter;
@@ -571,15 +571,7 @@ void drm_atomic_bridge_chain_disable(struct drm_bridge *bridge,
encoder = bridge->encoder;
list_for_each_entry_reverse(iter, &encoder->bridge_chain, chain_node) {
if (iter->funcs->atomic_disable) {
- struct drm_bridge_state *old_bridge_state;
-
- old_bridge_state =
- drm_atomic_get_old_bridge_state(old_state,
- iter);
- if (WARN_ON(!old_bridge_state))
- return;
-
- iter->funcs->atomic_disable(iter, old_bridge_state);
+ iter->funcs->atomic_disable(iter, state);
} else if (iter->funcs->disable) {
iter->funcs->disable(iter);
}
@@ -591,29 +583,19 @@ void drm_atomic_bridge_chain_disable(struct drm_bridge *bridge,
EXPORT_SYMBOL(drm_atomic_bridge_chain_disable);
static void drm_atomic_bridge_call_post_disable(struct drm_bridge *bridge,
- struct drm_atomic_state *old_state)
+ struct drm_atomic_state *state)
{
- if (old_state && bridge->funcs->atomic_post_disable) {
- struct drm_bridge_state *old_bridge_state;
-
- old_bridge_state =
- drm_atomic_get_old_bridge_state(old_state,
- bridge);
- if (WARN_ON(!old_bridge_state))
- return;
-
- bridge->funcs->atomic_post_disable(bridge,
- old_bridge_state);
- } else if (bridge->funcs->post_disable) {
+ if (state && bridge->funcs->atomic_post_disable)
+ bridge->funcs->atomic_post_disable(bridge, state);
+ else if (bridge->funcs->post_disable)
bridge->funcs->post_disable(bridge);
- }
}
/**
* drm_atomic_bridge_chain_post_disable - cleans up after disabling all bridges
* in the encoder chain
* @bridge: bridge control structure
- * @old_state: old atomic state
+ * @state: atomic state being committed
*
* Calls &drm_bridge_funcs.atomic_post_disable (falls back on
* &drm_bridge_funcs.post_disable) op for all the bridges in the encoder chain,
@@ -634,7 +616,7 @@ static void drm_atomic_bridge_call_post_disable(struct drm_bridge *bridge,
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_atomic_bridge_chain_post_disable(struct drm_bridge *bridge,
- struct drm_atomic_state *old_state)
+ struct drm_atomic_state *state)
{
struct drm_encoder *encoder;
struct drm_bridge *next, *limit;
@@ -681,12 +663,12 @@ void drm_atomic_bridge_chain_post_disable(struct drm_bridge *bridge,
break;
drm_atomic_bridge_call_post_disable(next,
- old_state);
+ state);
}
}
}
- drm_atomic_bridge_call_post_disable(bridge, old_state);
+ drm_atomic_bridge_call_post_disable(bridge, state);
if (limit)
/* Jump all bridges that we have already post_disabled */
@@ -696,28 +678,19 @@ void drm_atomic_bridge_chain_post_disable(struct drm_bridge *bridge,
EXPORT_SYMBOL(drm_atomic_bridge_chain_post_disable);
static void drm_atomic_bridge_call_pre_enable(struct drm_bridge *bridge,
- struct drm_atomic_state *old_state)
+ struct drm_atomic_state *state)
{
- if (old_state && bridge->funcs->atomic_pre_enable) {
- struct drm_bridge_state *old_bridge_state;
-
- old_bridge_state =
- drm_atomic_get_old_bridge_state(old_state,
- bridge);
- if (WARN_ON(!old_bridge_state))
- return;
-
- bridge->funcs->atomic_pre_enable(bridge, old_bridge_state);
- } else if (bridge->funcs->pre_enable) {
+ if (state && bridge->funcs->atomic_pre_enable)
+ bridge->funcs->atomic_pre_enable(bridge, state);
+ else if (bridge->funcs->pre_enable)
bridge->funcs->pre_enable(bridge);
- }
}
/**
* drm_atomic_bridge_chain_pre_enable - prepares for enabling all bridges in
* the encoder chain
* @bridge: bridge control structure
- * @old_state: old atomic state
+ * @state: atomic state being committed
*
* Calls &drm_bridge_funcs.atomic_pre_enable (falls back on
* &drm_bridge_funcs.pre_enable) op for all the bridges in the encoder chain,
@@ -737,7 +710,7 @@ static void drm_atomic_bridge_call_pre_enable(struct drm_bridge *bridge,
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_atomic_bridge_chain_pre_enable(struct drm_bridge *bridge,
- struct drm_atomic_state *old_state)
+ struct drm_atomic_state *state)
{
struct drm_encoder *encoder;
struct drm_bridge *iter, *next, *limit;
@@ -776,11 +749,11 @@ void drm_atomic_bridge_chain_pre_enable(struct drm_bridge *bridge,
*/
break;
- drm_atomic_bridge_call_pre_enable(next, old_state);
+ drm_atomic_bridge_call_pre_enable(next, state);
}
}
- drm_atomic_bridge_call_pre_enable(iter, old_state);
+ drm_atomic_bridge_call_pre_enable(iter, state);
if (iter->pre_enable_prev_first)
/* Jump all bridges that we have already pre_enabled */
@@ -795,7 +768,7 @@ EXPORT_SYMBOL(drm_atomic_bridge_chain_pre_enable);
/**
* drm_atomic_bridge_chain_enable - enables all bridges in the encoder chain
* @bridge: bridge control structure
- * @old_state: old atomic state
+ * @state: atomic state being committed
*
* Calls &drm_bridge_funcs.atomic_enable (falls back on
* &drm_bridge_funcs.enable) op for all the bridges in the encoder chain,
@@ -805,7 +778,7 @@ EXPORT_SYMBOL(drm_atomic_bridge_chain_pre_enable);
* Note: the bridge passed should be the one closest to the encoder
*/
void drm_atomic_bridge_chain_enable(struct drm_bridge *bridge,
- struct drm_atomic_state *old_state)
+ struct drm_atomic_state *state)
{
struct drm_encoder *encoder;
@@ -815,15 +788,7 @@ void drm_atomic_bridge_chain_enable(struct drm_bridge *bridge,
encoder = bridge->encoder;
list_for_each_entry_from(bridge, &encoder->bridge_chain, chain_node) {
if (bridge->funcs->atomic_enable) {
- struct drm_bridge_state *old_bridge_state;
-
- old_bridge_state =
- drm_atomic_get_old_bridge_state(old_state,
- bridge);
- if (WARN_ON(!old_bridge_state))
- return;
-
- bridge->funcs->atomic_enable(bridge, old_bridge_state);
+ bridge->funcs->atomic_enable(bridge, state);
} else if (bridge->funcs->enable) {
bridge->funcs->enable(bridge);
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-04-28 13:23:55 +0000