Lines Matching +full:dp +full:- +full:connector

1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
17 * msm_dp_bridge_detect - callback to determine if connector is connected
23 struct msm_dp *dp; in msm_dp_bridge_detect() local
25 dp = to_dp_bridge(bridge)->msm_dp_display; in msm_dp_bridge_detect()
27 drm_dbg_dp(dp->drm_dev, "link_ready = %s\n", in msm_dp_bridge_detect()
28 (dp->link_ready) ? "true" : "false"); in msm_dp_bridge_detect()
30 return (dp->link_ready) ? connector_status_connected : in msm_dp_bridge_detect()
39 struct msm_dp *dp; in msm_dp_bridge_atomic_check() local
41 dp = to_dp_bridge(bridge)->msm_dp_display; in msm_dp_bridge_atomic_check()
43 drm_dbg_dp(dp->drm_dev, "link_ready = %s\n", in msm_dp_bridge_atomic_check()
44 (dp->link_ready) ? "true" : "false"); in msm_dp_bridge_atomic_check()
50 * crtc->active is still true. Any attempt to set the mode or manually in msm_dp_bridge_atomic_check()
57 if (bridge->ops & DRM_BRIDGE_OP_HPD) in msm_dp_bridge_atomic_check()
58 return (dp->link_ready) ? 0 : -ENOTCONN; in msm_dp_bridge_atomic_check()
65 * msm_dp_bridge_get_modes - callback to add drm modes via drm_mode_probed_add()
67 * @connector: Pointer to drm connector structure
70 static int msm_dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector *connector) in msm_dp_bridge_get_modes() argument
73 struct msm_dp *dp; in msm_dp_bridge_get_modes() local
75 if (!connector) in msm_dp_bridge_get_modes()
78 dp = to_dp_bridge(bridge)->msm_dp_display; in msm_dp_bridge_get_modes()
81 if (dp->link_ready) { in msm_dp_bridge_get_modes()
82 rc = msm_dp_display_get_modes(dp); in msm_dp_bridge_get_modes()
84 DRM_ERROR("failed to get DP sink modes, rc=%d\n", rc); in msm_dp_bridge_get_modes()
88 drm_dbg_dp(connector->dev, "No sink connected\n"); in msm_dp_bridge_get_modes()
95 struct msm_dp *dp = to_dp_bridge(bridge)->msm_dp_display; in msm_dp_bridge_debugfs_init() local
97 msm_dp_display_debugfs_init(dp, root, false); in msm_dp_bridge_debugfs_init()
123 struct msm_dp *dp = to_dp_bridge(drm_bridge)->msm_dp_display; in msm_edp_bridge_atomic_check() local
126 return -ENODEV; in msm_edp_bridge_atomic_check()
128 conn_state->self_refresh_aware = dp->psr_supported; in msm_edp_bridge_atomic_check()
130 if (!conn_state->crtc || !crtc_state) in msm_edp_bridge_atomic_check()
133 if (crtc_state->self_refresh_active && !dp->psr_supported) in msm_edp_bridge_atomic_check()
134 return -EINVAL; in msm_edp_bridge_atomic_check()
142 struct drm_atomic_state *atomic_state = old_bridge_state->base.state; in msm_edp_bridge_atomic_enable()
146 struct msm_dp *dp = msm_dp_bridge->msm_dp_display; in msm_edp_bridge_atomic_enable() local
155 drm_bridge->encoder); in msm_edp_bridge_atomic_enable()
161 if (old_crtc_state && old_crtc_state->self_refresh_active) { in msm_edp_bridge_atomic_enable()
162 msm_dp_display_set_psr(dp, false); in msm_edp_bridge_atomic_enable()
172 struct drm_atomic_state *atomic_state = old_bridge_state->base.state; in msm_edp_bridge_atomic_disable()
176 struct msm_dp *dp = msm_dp_bridge->msm_dp_display; in msm_edp_bridge_atomic_disable() local
179 drm_bridge->encoder); in msm_edp_bridge_atomic_disable()
202 if (new_crtc_state->self_refresh_active) { in msm_edp_bridge_atomic_disable()
203 msm_dp_display_set_psr(dp, true); in msm_edp_bridge_atomic_disable()
205 } else if (old_crtc_state->self_refresh_active) { in msm_edp_bridge_atomic_disable()
206 msm_dp_display_set_psr(dp, false); in msm_edp_bridge_atomic_disable()
217 struct drm_atomic_state *atomic_state = old_bridge_state->base.state; in msm_edp_bridge_atomic_post_disable()
222 drm_bridge->encoder); in msm_edp_bridge_atomic_post_disable()
233 if (new_crtc_state->self_refresh_active) in msm_edp_bridge_atomic_post_disable()
240 * msm_edp_bridge_mode_valid - callback to determine if specified mode is valid
250 struct msm_dp *dp; in msm_edp_bridge_mode_valid() local
251 int mode_pclk_khz = mode->clock; in msm_edp_bridge_mode_valid()
253 dp = to_dp_bridge(bridge)->msm_dp_display; in msm_edp_bridge_mode_valid()
255 if (!dp || !mode_pclk_khz || !dp->connector) { in msm_edp_bridge_mode_valid()
257 return -EINVAL; in msm_edp_bridge_mode_valid()
260 if (msm_dp_wide_bus_available(dp)) in msm_edp_bridge_mode_valid()
276 struct msm_dp *dp = to_dp_bridge(bridge)->msm_dp_display; in msm_edp_bridge_debugfs_init() local
278 msm_dp_display_debugfs_init(dp, root, true); in msm_edp_bridge_debugfs_init()
301 msm_dp_bridge = devm_kzalloc(dev->dev, sizeof(*msm_dp_bridge), GFP_KERNEL); in msm_dp_bridge_init()
303 return -ENOMEM; in msm_dp_bridge_init()
305 msm_dp_bridge->msm_dp_display = msm_dp_display; in msm_dp_bridge_init()
307 bridge = &msm_dp_bridge->bridge; in msm_dp_bridge_init()
308 bridge->funcs = msm_dp_display->is_edp ? &msm_edp_bridge_ops : &msm_dp_bridge_ops; in msm_dp_bridge_init()
309 bridge->type = msm_dp_display->connector_type; in msm_dp_bridge_init()
310 bridge->ycbcr_420_allowed = yuv_supported; in msm_dp_bridge_init()
313 * Many ops only make sense for DP. Why? in msm_dp_bridge_init()
314 * - Detect/HPD are used by DRM to know if a display is _physically_ in msm_dp_bridge_init()
319 * - Currently eDP mode reading is driven by the panel driver. This in msm_dp_bridge_init()
323 if (!msm_dp_display->is_edp) { in msm_dp_bridge_init()
324 bridge->ops = in msm_dp_bridge_init()
330 rc = devm_drm_bridge_add(dev->dev, bridge); in msm_dp_bridge_init()
344 if (msm_dp_display->next_bridge) { in msm_dp_bridge_init()
346 msm_dp_display->next_bridge, bridge, in msm_dp_bridge_init()
357 /* connector initialization */
361 struct drm_connector *connector = NULL; in msm_dp_drm_connector_init() local
363 connector = drm_bridge_connector_init(msm_dp_display->drm_dev, encoder); in msm_dp_drm_connector_init()
364 if (IS_ERR(connector)) in msm_dp_drm_connector_init()
365 return connector; in msm_dp_drm_connector_init()
367 if (!msm_dp_display->is_edp) in msm_dp_drm_connector_init()
368 drm_connector_attach_dp_subconnector_property(connector); in msm_dp_drm_connector_init()
370 drm_connector_attach_encoder(connector, encoder); in msm_dp_drm_connector_init()
372 return connector; in msm_dp_drm_connector_init()