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    Subject[PATCH v4 4/7] drm/bridge: use atomic enable/disable callbacks for panel bridge
    Date
    Use atomic variants for panel bridge callback functions such that
    certain states like self-refresh can be accessed as part of
    enable/disable sequence.

    Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
    Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
    ---
    drivers/gpu/drm/bridge/panel.c | 20 ++++++++++++--------
    1 file changed, 12 insertions(+), 8 deletions(-)

    diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
    index 0ee563e..eeb9546 100644
    --- a/drivers/gpu/drm/bridge/panel.c
    +++ b/drivers/gpu/drm/bridge/panel.c
    @@ -108,28 +108,32 @@ static void panel_bridge_detach(struct drm_bridge *bridge)
    drm_connector_cleanup(connector);
    }

    -static void panel_bridge_pre_enable(struct drm_bridge *bridge)
    +static void panel_bridge_atomic_pre_enable(struct drm_bridge *bridge,
    + struct drm_bridge_state *old_bridge_state)
    {
    struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge);

    drm_panel_prepare(panel_bridge->panel);
    }

    -static void panel_bridge_enable(struct drm_bridge *bridge)
    +static void panel_bridge_atomic_enable(struct drm_bridge *bridge,
    + struct drm_bridge_state *old_bridge_state)
    {
    struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge);

    drm_panel_enable(panel_bridge->panel);
    }

    -static void panel_bridge_disable(struct drm_bridge *bridge)
    +static void panel_bridge_atomic_disable(struct drm_bridge *bridge,
    + struct drm_bridge_state *old_bridge_state)
    {
    struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge);

    drm_panel_disable(panel_bridge->panel);
    }

    -static void panel_bridge_post_disable(struct drm_bridge *bridge)
    +static void panel_bridge_atomic_post_disable(struct drm_bridge *bridge,
    + struct drm_bridge_state *old_bridge_state)
    {
    struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge);

    @@ -158,10 +162,10 @@ static void panel_bridge_debugfs_init(struct drm_bridge *bridge,
    static const struct drm_bridge_funcs panel_bridge_bridge_funcs = {
    .attach = panel_bridge_attach,
    .detach = panel_bridge_detach,
    - .pre_enable = panel_bridge_pre_enable,
    - .enable = panel_bridge_enable,
    - .disable = panel_bridge_disable,
    - .post_disable = panel_bridge_post_disable,
    + .atomic_pre_enable = panel_bridge_atomic_pre_enable,
    + .atomic_enable = panel_bridge_atomic_enable,
    + .atomic_disable = panel_bridge_atomic_disable,
    + .atomic_post_disable = panel_bridge_atomic_post_disable,
    .get_modes = panel_bridge_get_modes,
    .atomic_reset = drm_atomic_helper_bridge_reset,
    .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
    --
    2.7.4
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