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drm: bridge: dw-hdmi: Store current connector in struct dw_hdmi 

Store the connector that the bridge is currently wired to in the dw_hdmi
structure. This is currently identical to the connector field, but will
differ once the driver supports disabling connector creation.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200526011505.31884-21-laurent.pinchart+renesas@ideasonboard.com
This commit is contained in:
Laurent Pinchart 2020-05-26 04:14:58 +03:00 committed by Sam Ravnborg
parent 3f588fda4b
commit ca7b6b7176
1 changed files with 14 additions and 4 deletions
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18
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@ -181,6 +181,7 @@ struct dw_hdmi {
struct mutex mutex; /* for state below and previous_mode */
enum drm_connector_force force; /* mutex-protected force state */
struct drm_connector *curr_conn;/* current connector (only valid when !disabled) */
bool disabled; /* DRM has disabled our bridge */
bool bridge_is_on; /* indicates the bridge is on */
bool rxsense; /* rxsense state */
@ -2823,23 +2824,32 @@ static void dw_hdmi_bridge_mode_set(struct drm_bridge *bridge,
mutex_unlock(&hdmi->mutex);
}
static void dw_hdmi_bridge_disable(struct drm_bridge *bridge)
static void dw_hdmi_bridge_atomic_disable(struct drm_bridge *bridge,
struct drm_bridge_state *old_state)
{
struct dw_hdmi *hdmi = bridge->driver_private;
mutex_lock(&hdmi->mutex);
hdmi->disabled = true;
hdmi->curr_conn = NULL;
dw_hdmi_update_power(hdmi);
dw_hdmi_update_phy_mask(hdmi);
mutex_unlock(&hdmi->mutex);
}
static void dw_hdmi_bridge_enable(struct drm_bridge *bridge)
static void dw_hdmi_bridge_atomic_enable(struct drm_bridge *bridge,
struct drm_bridge_state *old_state)
{
struct dw_hdmi *hdmi = bridge->driver_private;
struct drm_atomic_state *state = old_state->base.state;
struct drm_connector *connector;
connector = drm_atomic_get_new_connector_for_encoder(state,
bridge->encoder);
mutex_lock(&hdmi->mutex);
hdmi->disabled = false;
hdmi->curr_conn = connector;
dw_hdmi_update_power(hdmi);
dw_hdmi_update_phy_mask(hdmi);
mutex_unlock(&hdmi->mutex);
@ -2854,8 +2864,8 @@ static const struct drm_bridge_funcs dw_hdmi_bridge_funcs = {
.atomic_check = dw_hdmi_bridge_atomic_check,
.atomic_get_output_bus_fmts = dw_hdmi_bridge_atomic_get_output_bus_fmts,
.atomic_get_input_bus_fmts = dw_hdmi_bridge_atomic_get_input_bus_fmts,
.enable = dw_hdmi_bridge_enable,
.disable = dw_hdmi_bridge_disable,
.atomic_enable = dw_hdmi_bridge_atomic_enable,
.atomic_disable = dw_hdmi_bridge_atomic_disable,
.mode_set = dw_hdmi_bridge_mode_set,
.mode_valid = dw_hdmi_bridge_mode_valid,
};