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path: root/drivers/gpu/drm/bridge/analogix/anx7625.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/analogix/anx7625.c')
-rw-r--r--drivers/gpu/drm/bridge/analogix/anx7625.c86
1 files changed, 37 insertions, 49 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index a2675b121fe4..0b97b66de577 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1952,7 +1952,8 @@ static void anx7625_audio_shutdown(struct device *dev, void *data)
}
static int anx7625_hdmi_i2s_get_dai_id(struct snd_soc_component *component,
- struct device_node *endpoint)
+ struct device_node *endpoint,
+ void *data)
{
struct of_endpoint of_ep;
int ret;
@@ -2002,8 +2003,10 @@ static int anx7625_audio_get_eld(struct device *dev, void *data,
memset(buf, 0, len);
} else {
dev_dbg(dev, "audio copy eld\n");
+ mutex_lock(&ctx->connector->eld_mutex);
memcpy(buf, ctx->connector->eld,
min(sizeof(ctx->connector->eld), len));
+ mutex_unlock(&ctx->connector->eld_mutex);
}
return 0;
@@ -2137,49 +2140,6 @@ static void hdcp_check_work_func(struct work_struct *work)
drm_modeset_unlock(&drm_dev->mode_config.connection_mutex);
}
-static int anx7625_connector_atomic_check(struct anx7625_data *ctx,
- struct drm_connector_state *state)
-{
- struct device *dev = ctx->dev;
- int cp;
-
- dev_dbg(dev, "hdcp state check\n");
- cp = state->content_protection;
-
- if (cp == ctx->hdcp_cp)
- return 0;
-
- if (cp == DRM_MODE_CONTENT_PROTECTION_DESIRED) {
- if (ctx->dp_en) {
- dev_dbg(dev, "enable HDCP\n");
- anx7625_hdcp_enable(ctx);
-
- queue_delayed_work(ctx->hdcp_workqueue,
- &ctx->hdcp_work,
- msecs_to_jiffies(2000));
- }
- }
-
- if (cp == DRM_MODE_CONTENT_PROTECTION_UNDESIRED) {
- if (ctx->hdcp_cp != DRM_MODE_CONTENT_PROTECTION_ENABLED) {
- dev_err(dev, "current CP is not ENABLED\n");
- return -EINVAL;
- }
- anx7625_hdcp_disable(ctx);
- ctx->hdcp_cp = DRM_MODE_CONTENT_PROTECTION_UNDESIRED;
- drm_hdcp_update_content_protection(ctx->connector,
- ctx->hdcp_cp);
- dev_dbg(dev, "update CP to UNDESIRE\n");
- }
-
- if (cp == DRM_MODE_CONTENT_PROTECTION_ENABLED) {
- dev_err(dev, "Userspace illegal set to PROTECTION ENABLE\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
static int anx7625_bridge_attach(struct drm_bridge *bridge,
enum drm_bridge_attach_flags flags)
{
@@ -2416,19 +2376,20 @@ static int anx7625_bridge_atomic_check(struct drm_bridge *bridge,
anx7625_bridge_mode_fixup(bridge, &crtc_state->mode,
&crtc_state->adjusted_mode);
- return anx7625_connector_atomic_check(ctx, conn_state);
+ return 0;
}
static void anx7625_bridge_atomic_enable(struct drm_bridge *bridge,
- struct drm_bridge_state *state)
+ struct drm_atomic_state *state)
{
struct anx7625_data *ctx = bridge_to_anx7625(bridge);
struct device *dev = ctx->dev;
struct drm_connector *connector;
+ struct drm_connector_state *conn_state;
dev_dbg(dev, "drm atomic enable\n");
- connector = drm_atomic_get_new_connector_for_encoder(state->base.state,
+ connector = drm_atomic_get_new_connector_for_encoder(state,
bridge->encoder);
if (!connector)
return;
@@ -2439,16 +2400,43 @@ static void anx7625_bridge_atomic_enable(struct drm_bridge *bridge,
_anx7625_hpd_polling(ctx, 5000 * 100);
anx7625_dp_start(ctx);
+
+ conn_state = drm_atomic_get_new_connector_state(state, connector);
+
+ if (WARN_ON(!conn_state))
+ return;
+
+ if (conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED) {
+ if (ctx->dp_en) {
+ dev_dbg(dev, "enable HDCP\n");
+ anx7625_hdcp_enable(ctx);
+
+ queue_delayed_work(ctx->hdcp_workqueue,
+ &ctx->hdcp_work,
+ msecs_to_jiffies(2000));
+ }
+ }
}
static void anx7625_bridge_atomic_disable(struct drm_bridge *bridge,
- struct drm_bridge_state *old)
+ struct drm_atomic_state *state)
{
struct anx7625_data *ctx = bridge_to_anx7625(bridge);
struct device *dev = ctx->dev;
dev_dbg(dev, "drm atomic disable\n");
+ flush_workqueue(ctx->hdcp_workqueue);
+
+ if (ctx->connector &&
+ ctx->hdcp_cp == DRM_MODE_CONTENT_PROTECTION_ENABLED) {
+ anx7625_hdcp_disable(ctx);
+ ctx->hdcp_cp = DRM_MODE_CONTENT_PROTECTION_DESIRED;
+ drm_hdcp_update_content_protection(ctx->connector,
+ ctx->hdcp_cp);
+ dev_dbg(dev, "update CP to DESIRE\n");
+ }
+
ctx->connector = NULL;
anx7625_dp_stop(ctx);
@@ -2795,7 +2783,7 @@ static void anx7625_i2c_remove(struct i2c_client *client)
}
static const struct i2c_device_id anx7625_id[] = {
- {"anx7625", 0},
+ { "anx7625" },
{}
};