[PATCH 11/11] drm: atomic: Add MODE_ID property

[Daniel Stone <daniels@collabora.com>]

Atomic modesetting: now with modesetting support.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Tested-by: Sean Paul <seanpaul@chromium.org>
---
 drivers/gpu/drm/drm_atomic.c | 12 +++++++++++-
 drivers/gpu/drm/drm_crtc.c   |  7 +++++++
 include/drm/drm_crtc.h       |  1 +
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 63fc58a..a4ab03a 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -415,10 +415,18 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
 {
 	struct drm_device *dev = crtc->dev;
 	struct drm_mode_config *config = &dev->mode_config;
+	int ret;
 
-	/* FIXME: Mode prop is missing, which also controls ->enable. */
 	if (property == config->prop_active)
 		state->active = val;
+	else if (property == config->prop_mode_id) {
+		struct drm_property_blob *mode =
+			drm_property_lookup_blob(dev, val);
+		ret = drm_atomic_set_mode_prop_for_crtc(state, mode);
+		if (mode)
+			drm_property_unreference_blob(mode);
+		return ret;
+	}
 	else if (crtc->funcs->atomic_set_property)
 		return crtc->funcs->atomic_set_property(crtc, state, property, val);
 	else
@@ -443,6 +451,8 @@ int drm_atomic_crtc_get_property(struct drm_crtc *crtc,
 
 	if (property == config->prop_active)
 		*val = state->active;
+	else if (property == config->prop_mode_id)
+		*val = (state->mode_blob) ? state->mode_blob->base.id : 0;
 	else if (crtc->funcs->atomic_get_property)
 		return crtc->funcs->atomic_get_property(crtc, state, property, val);
 	else
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index ee87045..8f18412 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -688,6 +688,7 @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc,
 
 	if (drm_core_check_feature(dev, DRIVER_ATOMIC)) {
 		drm_object_attach_property(&crtc->base, config->prop_active, 0);
+		drm_object_attach_property(&crtc->base, config->prop_mode_id, 0);
 	}
 
 	return 0;
@@ -1454,6 +1455,12 @@ static int drm_mode_create_standard_properties(struct drm_device *dev)
 		return -ENOMEM;
 	dev->mode_config.prop_active = prop;
 
+	prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC,
+			"MODE_ID", DRM_MODE_OBJECT_BLOB);
+	if (!prop)
+		return -ENOMEM;
+	dev->mode_config.prop_mode_id = prop;
+
 	return 0;
 }
 
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index c54fa4a..3b4d8a4 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1146,6 +1146,7 @@ struct drm_mode_config {
 	struct drm_property *prop_fb_id;
 	struct drm_property *prop_crtc_id;
 	struct drm_property *prop_active;
+	struct drm_property *prop_mode_id;
 
 	/* DVI-I properties */
 	struct drm_property *dvi_i_subconnector_property;
-- 
2.4.1

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