Merge tag 'drm-misc-next-2023-01-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v6.3:

UAPI Changes:

 * connector: Support analog-TV mode property
 * media: Add MEDIA_BUS_FMT_RGB565_1X24_CPADHI,
   MEDIA_BUS_FMT_RGB666_1X18 and MEDIA_BUS_FMT_RGB666_1X24_CPADHI

Cross-subsystem Changes:

 * dma-buf: Documentation fixes
 * i2c: Introduce i2c_client_get_device_id() helper

Core Changes:

 * Improve support for analog TV output
 * bridge: Remove unused drm_bridge_chain functions
 * debugfs: Add per-device helpers and convert various DRM drivers
 * dp-mst: Various fixes
 * fbdev emulation: Always pick 32 bpp as default
 * KUnit: Add tests for managed helpers; Various cleanups
 * panel-orientation: Add quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50
 * TTM: Open-code ttm_bo_wait() and remove the helper

Driver Changes:

 * Fix preferred depth and bpp values throughout DRM drivers
 * Remove #CONFIG_PM guards throughout DRM drivers
 * ast: Various fixes
 * bridge: Implement i2c's probe_new in various drivers; Fixes; ite-it6505:
   Locking fixes, Cache EDID data; ite-it66121: Support IT6610 chip,
   Cleanups; lontium-tl9611: Fix HDMI on DragonBoard 845c; parade-ps8640:
   Use atomic bridge functions
 * gud: Convert to DRM shadow-plane helpers; Perform flushing synchronously
   during atomic update
 * ili9486: Support 16-bit pixel data
 * imx: Split off IPUv3 driver; Various fixes
 * mipi-dbi: Convert to DRM shadow-plane helpers plus rsp driver changes;i
   Support separate I/O-voltage supply
 * mxsfb: Depend on ARCH_MXS or ARCH_MXC
 * omapdrm: Various fixes
 * panel: Use ktime_get_boottime() to measure power-down delay in various
   drivers; Fix auto-suspend delay in various drivers; orisetech-ota5601a:
   Add support
 * sprd: Cleanups
 * sun4i: Convert to new TV-mode property
 * tidss: Various fixes
 * v3d: Various fixes
 * vc4: Convert to new TV-mode property; Support Kunit tests; Cleanups;
   dpi: Support RGB565 and RGB666 formats; dsi: Convert DSI driver to
   bridge
 * virtio: Improve tracing
 * vkms: Support small cursors in IGT tests; Various fixes

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/Y7QIwlfElAYWxRcR@linux-uq9g

1 files changed, 124 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c
index dfb57217253b..22251c5f6a8a 100644
--- a/drivers/gpu/drm/drm_atomic_state_helper.c
+++ b/drivers/gpu/drm/drm_atomic_state_helper.c
@@ -482,6 +482,130 @@ void drm_atomic_helper_connector_tv_margins_reset(struct drm_connector *connecto
 EXPORT_SYMBOL(drm_atomic_helper_connector_tv_margins_reset);
 
 /**
+ * drm_atomic_helper_connector_tv_reset - Resets Analog TV connector properties
+ * @connector: DRM connector
+ *
+ * Resets the analog TV properties attached to a connector
+ */
+void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector)
+{
+	struct drm_device *dev = connector->dev;
+	struct drm_cmdline_mode *cmdline = &connector->cmdline_mode;
+	struct drm_connector_state *state = connector->state;
+	struct drm_property *prop;
+	uint64_t val;
+
+	prop = dev->mode_config.tv_mode_property;
+	if (prop)
+		if (!drm_object_property_get_default_value(&connector->base,
+							   prop, &val))
+			state->tv.mode = val;
+
+	if (cmdline->tv_mode_specified)
+		state->tv.mode = cmdline->tv_mode;
+
+	prop = dev->mode_config.tv_select_subconnector_property;
+	if (prop)
+		if (!drm_object_property_get_default_value(&connector->base,
+							   prop, &val))
+			state->tv.select_subconnector = val;
+
+	prop = dev->mode_config.tv_subconnector_property;
+	if (prop)
+		if (!drm_object_property_get_default_value(&connector->base,
+							   prop, &val))
+			state->tv.subconnector = val;
+
+	prop = dev->mode_config.tv_brightness_property;
+	if (prop)
+		if (!drm_object_property_get_default_value(&connector->base,
+							   prop, &val))
+			state->tv.brightness = val;
+
+	prop = dev->mode_config.tv_contrast_property;
+	if (prop)
+		if (!drm_object_property_get_default_value(&connector->base,
+							   prop, &val))
+			state->tv.contrast = val;
+
+	prop = dev->mode_config.tv_flicker_reduction_property;
+	if (prop)
+		if (!drm_object_property_get_default_value(&connector->base,
+							   prop, &val))
+			state->tv.flicker_reduction = val;
+
+	prop = dev->mode_config.tv_overscan_property;
+	if (prop)
+		if (!drm_object_property_get_default_value(&connector->base,
+							   prop, &val))
+			state->tv.overscan = val;
+
+	prop = dev->mode_config.tv_saturation_property;
+	if (prop)
+		if (!drm_object_property_get_default_value(&connector->base,
+							   prop, &val))
+			state->tv.saturation = val;
+
+	prop = dev->mode_config.tv_hue_property;
+	if (prop)
+		if (!drm_object_property_get_default_value(&connector->base,
+							   prop, &val))
+			state->tv.hue = val;
+
+	drm_atomic_helper_connector_tv_margins_reset(connector);
+}
+EXPORT_SYMBOL(drm_atomic_helper_connector_tv_reset);
+
+/**
+ * @drm_atomic_helper_connector_tv_check: Validate an analog TV connector state
+ * @connector: DRM Connector
+ * @state: the DRM State object
+ *
+ * Checks the state object to see if the requested state is valid for an
+ * analog TV connector.
+ *
+ * Returns:
+ * Zero for success, a negative error code on error.
+ */
+int drm_atomic_helper_connector_tv_check(struct drm_connector *connector,
+					 struct drm_atomic_state *state)
+{
+	struct drm_connector_state *old_conn_state =
+		drm_atomic_get_old_connector_state(state, connector);
+	struct drm_connector_state *new_conn_state =
+		drm_atomic_get_new_connector_state(state, connector);
+	struct drm_crtc_state *crtc_state;
+	struct drm_crtc *crtc;
+
+	crtc = new_conn_state->crtc;
+	if (!crtc)
+		return 0;
+
+	crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+	if (!crtc_state)
+		return -EINVAL;
+
+	if (old_conn_state->tv.mode != new_conn_state->tv.mode)
+		crtc_state->mode_changed = true;
+
+	if (old_conn_state->tv.margins.left != new_conn_state->tv.margins.left ||
+	    old_conn_state->tv.margins.right != new_conn_state->tv.margins.right ||
+	    old_conn_state->tv.margins.top != new_conn_state->tv.margins.top ||
+	    old_conn_state->tv.margins.bottom != new_conn_state->tv.margins.bottom ||
+	    old_conn_state->tv.mode != new_conn_state->tv.mode ||
+	    old_conn_state->tv.brightness != new_conn_state->tv.brightness ||
+	    old_conn_state->tv.contrast != new_conn_state->tv.contrast ||
+	    old_conn_state->tv.flicker_reduction != new_conn_state->tv.flicker_reduction ||
+	    old_conn_state->tv.overscan != new_conn_state->tv.overscan ||
+	    old_conn_state->tv.saturation != new_conn_state->tv.saturation ||
+	    old_conn_state->tv.hue != new_conn_state->tv.hue)
+		crtc_state->connectors_changed = true;
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_atomic_helper_connector_tv_check);
+
+/**
  * __drm_atomic_helper_connector_duplicate_state - copy atomic connector state
  * @connector: connector object
  * @state: atomic connector state