Lines Matching full:panel
46 * struct panel_delay - Describes delays for a simple panel.
52 * The time (in milliseconds) that it takes after powering the panel
56 * NOTE: on some old panel data this number appears to be much too big.
108 * @enable: Time for the panel to display a valid frame.
110 * The time (in milliseconds) that it takes for the panel to
121 * @disable: Time for the panel to turn the display off.
123 * The time (in milliseconds) that it takes for the panel to
134 * The time (in milliseconds) that it takes for the panel
148 * struct panel_desc - Describes a simple panel.
152 * @modes: Pointer to array of fixed modes appropriate for this panel.
177 /** @size: Structure containing the physical size of this panel. */
190 /** @delay: Structure containing various delay values for this panel. */
195 * struct edp_panel_entry - Maps panel ID to delay / panel name.
198 /** @panel_id: 32-bit ID for panel, encoded with drm_edid_encode_panel_id(). */
201 /** @delay: The power sequencing delays needed for this panel. */
204 /** @name: Name of this panel (for printing to logs). */
239 static inline struct panel_edp *to_panel_edp(struct drm_panel *panel) in to_panel_edp() argument
241 return container_of(panel, struct panel_edp, base); in to_panel_edp()
244 static unsigned int panel_edp_get_timings_modes(struct panel_edp *panel, in panel_edp_get_timings_modes() argument
250 for (i = 0; i < panel->desc->num_timings; i++) { in panel_edp_get_timings_modes()
251 const struct display_timing *dt = &panel->desc->timings[i]; in panel_edp_get_timings_modes()
257 dev_err(panel->base.dev, "failed to add mode %ux%u\n", in panel_edp_get_timings_modes()
266 if (panel->desc->num_timings == 1) in panel_edp_get_timings_modes()
276 static unsigned int panel_edp_get_display_modes(struct panel_edp *panel, in panel_edp_get_display_modes() argument
282 for (i = 0; i < panel->desc->num_modes; i++) { in panel_edp_get_display_modes()
283 const struct drm_display_mode *m = &panel->desc->modes[i]; in panel_edp_get_display_modes()
287 dev_err(panel->base.dev, "failed to add mode %ux%u@%u\n", in panel_edp_get_display_modes()
295 if (panel->desc->num_modes == 1) in panel_edp_get_display_modes()
307 static int panel_edp_override_edid_mode(struct panel_edp *panel, in panel_edp_override_edid_mode() argument
315 dev_err(panel->base.dev, "failed to add additional mode\n"); in panel_edp_override_edid_mode()
325 static int panel_edp_get_non_edid_modes(struct panel_edp *panel, in panel_edp_get_non_edid_modes() argument
329 bool has_override = panel->override_mode.type; in panel_edp_get_non_edid_modes()
332 if (!panel->desc) in panel_edp_get_non_edid_modes()
337 &panel->override_mode); in panel_edp_get_non_edid_modes()
342 dev_err(panel->base.dev, "failed to add override mode\n"); in panel_edp_get_non_edid_modes()
347 if (num == 0 && panel->desc->num_timings) in panel_edp_get_non_edid_modes()
348 num = panel_edp_get_timings_modes(panel, connector); in panel_edp_get_non_edid_modes()
356 WARN_ON(panel->desc->num_timings && panel->desc->num_modes); in panel_edp_get_non_edid_modes()
358 num = panel_edp_get_display_modes(panel, connector); in panel_edp_get_non_edid_modes()
360 connector->display_info.bpc = panel->desc->bpc; in panel_edp_get_non_edid_modes()
361 connector->display_info.width_mm = panel->desc->size.width; in panel_edp_get_non_edid_modes()
362 connector->display_info.height_mm = panel->desc->size.height; in panel_edp_get_non_edid_modes()
381 static int panel_edp_disable(struct drm_panel *panel) in panel_edp_disable() argument
383 struct panel_edp *p = to_panel_edp(panel); in panel_edp_disable()
408 static int panel_edp_unprepare(struct drm_panel *panel) in panel_edp_unprepare() argument
410 struct panel_edp *p = to_panel_edp(panel); in panel_edp_unprepare()
417 ret = pm_runtime_put_sync_suspend(panel->dev); in panel_edp_unprepare()
528 static int panel_edp_prepare(struct drm_panel *panel) in panel_edp_prepare() argument
530 struct panel_edp *p = to_panel_edp(panel); in panel_edp_prepare()
537 ret = pm_runtime_get_sync(panel->dev); in panel_edp_prepare()
539 pm_runtime_put_autosuspend(panel->dev); in panel_edp_prepare()
548 static int panel_edp_enable(struct drm_panel *panel) in panel_edp_enable() argument
550 struct panel_edp *p = to_panel_edp(panel); in panel_edp_enable()
561 * However, we can only count this if HPD is readable by the panel in panel_edp_enable()
589 static int panel_edp_get_modes(struct drm_panel *panel, in panel_edp_get_modes() argument
592 struct panel_edp *p = to_panel_edp(panel); in panel_edp_get_modes()
600 pm_runtime_get_sync(panel->dev); in panel_edp_get_modes()
617 pm_runtime_mark_last_busy(panel->dev); in panel_edp_get_modes()
618 pm_runtime_put_autosuspend(panel->dev); in panel_edp_get_modes()
622 * Add hard-coded panel modes. Don't call this if there are no timings in panel_edp_get_modes()
623 * and no modes (the generic edp-panel case) because it will clobber in panel_edp_get_modes()
640 static int panel_edp_get_timings(struct drm_panel *panel, in panel_edp_get_timings() argument
644 struct panel_edp *p = to_panel_edp(panel); in panel_edp_get_timings()
657 static enum drm_panel_orientation panel_edp_get_orientation(struct drm_panel *panel) in panel_edp_get_orientation() argument
659 struct panel_edp *p = to_panel_edp(panel); in panel_edp_get_orientation()
666 struct drm_panel *panel = s->private; in detected_panel_show() local
667 struct panel_edp *p = to_panel_edp(panel); in detected_panel_show()
681 static void panel_edp_debugfs_init(struct drm_panel *panel, struct dentry *root) in panel_edp_debugfs_init() argument
683 debugfs_create_file("detected_panel", 0600, root, panel, &detected_panel_fops); in panel_edp_debugfs_init()
701 struct panel_edp *panel, in panel_edp_parse_panel_timing_node() argument
704 const struct panel_desc *desc = panel->desc; in panel_edp_parse_panel_timing_node()
709 dev_err(dev, "Reject override mode: panel has a fixed mode\n"); in panel_edp_parse_panel_timing_node()
717 for (i = 0; i < panel->desc->num_timings; i++) { in panel_edp_parse_panel_timing_node()
718 const struct display_timing *dt = &panel->desc->timings[i]; in panel_edp_parse_panel_timing_node()
734 drm_display_mode_from_videomode(&vm, &panel->override_mode); in panel_edp_parse_panel_timing_node()
735 panel->override_mode.type |= DRM_MODE_TYPE_DRIVER | in panel_edp_parse_panel_timing_node()
740 if (WARN_ON(!panel->override_mode.type)) in panel_edp_parse_panel_timing_node()
746 static int generic_edp_panel_probe(struct device *dev, struct panel_edp *panel) in generic_edp_panel_probe() argument
759 panel->desc = desc; in generic_edp_panel_probe()
771 /* Power the panel on so we can read the EDID */ in generic_edp_panel_probe()
774 dev_err(dev, "Couldn't power on panel to read EDID: %d\n", ret); in generic_edp_panel_probe()
778 panel_id = drm_edid_get_panel_id(panel->ddc); in generic_edp_panel_probe()
780 dev_err(dev, "Couldn't identify panel via EDID\n"); in generic_edp_panel_probe()
786 panel->detected_panel = find_edp_panel(panel_id); in generic_edp_panel_probe()
793 if (WARN_ON(!panel->detected_panel)) { in generic_edp_panel_probe()
795 "Unknown panel %s %#06x, using conservative timings\n", in generic_edp_panel_probe()
799 * It's highly likely that the panel will work if we use very in generic_edp_panel_probe()
816 panel->detected_panel = ERR_PTR(-EINVAL); in generic_edp_panel_probe()
819 vend, panel->detected_panel->name, product_id); in generic_edp_panel_probe()
822 desc->delay = *panel->detected_panel->delay; in generic_edp_panel_probe()
836 struct panel_edp *panel; in panel_edp_probe() local
841 panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL); in panel_edp_probe()
842 if (!panel) in panel_edp_probe()
845 panel->enabled = false; in panel_edp_probe()
846 panel->prepared_time = 0; in panel_edp_probe()
847 panel->desc = desc; in panel_edp_probe()
848 panel->aux = aux; in panel_edp_probe()
850 panel->no_hpd = of_property_read_bool(dev->of_node, "no-hpd"); in panel_edp_probe()
851 if (!panel->no_hpd) { in panel_edp_probe()
852 err = panel_edp_get_hpd_gpio(dev, panel); in panel_edp_probe()
857 panel->supply = devm_regulator_get(dev, "power"); in panel_edp_probe()
858 if (IS_ERR(panel->supply)) in panel_edp_probe()
859 return PTR_ERR(panel->supply); in panel_edp_probe()
861 panel->enable_gpio = devm_gpiod_get_optional(dev, "enable", in panel_edp_probe()
863 if (IS_ERR(panel->enable_gpio)) in panel_edp_probe()
864 return dev_err_probe(dev, PTR_ERR(panel->enable_gpio), in panel_edp_probe()
867 err = of_drm_get_panel_orientation(dev->of_node, &panel->orientation); in panel_edp_probe()
875 panel->ddc = of_find_i2c_adapter_by_node(ddc); in panel_edp_probe()
878 if (!panel->ddc) in panel_edp_probe()
881 panel->ddc = &aux->ddc; in panel_edp_probe()
884 if (!of_get_display_timing(dev->of_node, "panel-timing", &dt)) in panel_edp_probe()
885 panel_edp_parse_panel_timing_node(dev, panel, &dt); in panel_edp_probe()
887 dev_set_drvdata(dev, panel); in panel_edp_probe()
889 drm_panel_init(&panel->base, dev, &panel_edp_funcs, DRM_MODE_CONNECTOR_eDP); in panel_edp_probe()
891 err = drm_panel_of_backlight(&panel->base); in panel_edp_probe()
896 * We use runtime PM for prepare / unprepare since those power the panel in panel_edp_probe()
898 * to optimize powering the panel on briefly to read the EDID before in panel_edp_probe()
899 * fully enabling the panel. in panel_edp_probe()
905 if (of_device_is_compatible(dev->of_node, "edp-panel")) { in panel_edp_probe()
906 err = generic_edp_panel_probe(dev, panel); in panel_edp_probe()
909 "Couldn't detect panel nor find a fallback\n"); in panel_edp_probe()
912 /* generic_edp_panel_probe() replaces desc in the panel */ in panel_edp_probe()
913 desc = panel->desc; in panel_edp_probe()
918 if (!panel->base.backlight && panel->aux) { in panel_edp_probe()
920 err = drm_panel_dp_aux_backlight(&panel->base, panel->aux); in panel_edp_probe()
927 drm_panel_add(&panel->base); in panel_edp_probe()
935 if (panel->ddc && (!panel->aux || panel->ddc != &panel->aux->ddc)) in panel_edp_probe()
936 put_device(&panel->ddc->dev); in panel_edp_probe()
943 struct panel_edp *panel = dev_get_drvdata(dev); in panel_edp_remove() local
945 drm_panel_remove(&panel->base); in panel_edp_remove()
946 drm_panel_disable(&panel->base); in panel_edp_remove()
947 drm_panel_unprepare(&panel->base); in panel_edp_remove()
951 if (panel->ddc && (!panel->aux || panel->ddc != &panel->aux->ddc)) in panel_edp_remove()
952 put_device(&panel->ddc->dev); in panel_edp_remove()
954 kfree(panel->edid); in panel_edp_remove()
955 panel->edid = NULL; in panel_edp_remove()
960 struct panel_edp *panel = dev_get_drvdata(dev); in panel_edp_shutdown() local
962 drm_panel_disable(&panel->base); in panel_edp_shutdown()
963 drm_panel_unprepare(&panel->base); in panel_edp_shutdown()
1228 * When power is first given to the panel there's a short
1732 .compatible = "edp-panel",
1880 * platform_of_match table (if a panel is listed in both places).
1933 const struct edp_panel_entry *panel; in find_edp_panel() local
1938 for (panel = edp_panels; panel->panel_id; panel++) in find_edp_panel()
1939 if (panel->panel_id == panel_id) in find_edp_panel()
1940 return panel; in find_edp_panel()
1949 /* Skip one since "edp-panel" is only supported on DP AUX bus */ in panel_edp_platform_probe()
1975 .name = "panel-edp",
2007 .name = "panel-simple-dp-aux",