diff options
| author | Vinod Polimera <quic_vpolimer@quicinc.com> | 2023-03-02 22:03:06 +0530 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-03-13 04:43:49 +0300 |
| commit | d011db300ddeaefbcda6a7bb2a31a73d263bbca3 (patch) | |
| tree | 16fe17e088dbe9418aa825c6d2d0c6a86679464c /drivers | |
| parent | b67e0f530fdf5671a94f079d48707e5ec5fbdbd7 (diff) | |
drm/bridge: add psr support for panel bridge callbacks
This change will handle the psr entry exit cases in the panel
bridge atomic callback functions. For example, the panel power
should not turn off if the panel is entering psr.
Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Patchwork: https://patchwork.freedesktop.org/patch/524721/
Link: https://lore.kernel.org/r/1677774797-31063-4-git-send-email-quic_vpolimer@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/bridge/panel.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c index 5c4b3f3bf0a5..c58f7bb6fca6 100644 --- a/drivers/gpu/drm/bridge/panel.c +++ b/drivers/gpu/drm/bridge/panel.c @@ -113,6 +113,18 @@ 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); + struct drm_atomic_state *atomic_state = old_bridge_state->base.state; + struct drm_encoder *encoder = bridge->encoder; + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state; + + crtc = drm_atomic_get_new_crtc_for_encoder(atomic_state, encoder); + if (!crtc) + return; + + old_crtc_state = drm_atomic_get_old_crtc_state(atomic_state, crtc); + if (old_crtc_state && old_crtc_state->self_refresh_active) + return; drm_panel_prepare(panel_bridge->panel); } @@ -121,6 +133,18 @@ 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); + struct drm_atomic_state *atomic_state = old_bridge_state->base.state; + struct drm_encoder *encoder = bridge->encoder; + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state; + + crtc = drm_atomic_get_new_crtc_for_encoder(atomic_state, encoder); + if (!crtc) + return; + + old_crtc_state = drm_atomic_get_old_crtc_state(atomic_state, crtc); + if (old_crtc_state && old_crtc_state->self_refresh_active) + return; drm_panel_enable(panel_bridge->panel); } @@ -129,6 +153,18 @@ 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); + struct drm_atomic_state *atomic_state = old_bridge_state->base.state; + struct drm_encoder *encoder = bridge->encoder; + struct drm_crtc *crtc; + struct drm_crtc_state *new_crtc_state; + + crtc = drm_atomic_get_old_crtc_for_encoder(atomic_state, encoder); + if (!crtc) + return; + + new_crtc_state = drm_atomic_get_new_crtc_state(atomic_state, crtc); + if (new_crtc_state && new_crtc_state->self_refresh_active) + return; drm_panel_disable(panel_bridge->panel); } @@ -137,6 +173,18 @@ 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); + struct drm_atomic_state *atomic_state = old_bridge_state->base.state; + struct drm_encoder *encoder = bridge->encoder; + struct drm_crtc *crtc; + struct drm_crtc_state *new_crtc_state; + + crtc = drm_atomic_get_old_crtc_for_encoder(atomic_state, encoder); + if (!crtc) + return; + + new_crtc_state = drm_atomic_get_new_crtc_state(atomic_state, crtc); + if (new_crtc_state && new_crtc_state->self_refresh_active) + return; drm_panel_unprepare(panel_bridge->panel); } |