[RFC 09/11] drm: add drm_crtc_state

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From: Rob Clark <rob@xxxxxx>

Start breaking out the mutable state of the CRTC into it's own
structure.  Plus add _check_state() and _set_property() helpers.
This only moves the state that is related to scanout fb, which
is needed for nuclear-pageflip.  The rest of the mutable state
should be moved from drm_crtc to drm_crtc_state as part of the
atomic-modeset implementation.
---
 drivers/gpu/drm/drm_crtc.c          |  112 ++++++++++++++++++++++++++++-------
 drivers/gpu/drm/drm_crtc_helper.c   |   51 ++++++++--------
 drivers/gpu/drm/drm_fb_helper.c     |   11 ++--
 drivers/staging/omapdrm/omap_crtc.c |   16 ++---
 drivers/staging/omapdrm/omap_fb.c   |   10 ++--
 include/drm/drm_crtc.h              |   49 +++++++++++----
 6 files changed, 173 insertions(+), 76 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index bcdd6be..7337fd8 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -397,7 +397,7 @@ static void drm_framebuffer_remove_legacy(struct drm_framebuffer *fb)
 
 	/* remove from any CRTC */
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		if (crtc->fb == fb) {
+		if (crtc->state->fb == fb) {
 			/* should turn off the crtc */
 			memset(&set, 0, sizeof(struct drm_mode_set));
 			set.crtc = crtc;
@@ -456,7 +456,7 @@ void drm_framebuffer_remove(struct drm_framebuffer *fb)
 
 	/* remove from any CRTC */
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		if (crtc->fb == fb) {
+		if (crtc->state->fb == fb) {
 			/* should turn off the crtc */
 			drm_mode_crtc_set_obj_prop(crtc, state, config->prop_fb_id, 0);
 		}
@@ -506,16 +506,25 @@ int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
 
 	crtc->dev = dev;
 	crtc->funcs = funcs;
-	crtc->invert_dimensions = false;
+	crtc->state->invert_dimensions = false;
 
 	mutex_lock(&dev->mode_config.mutex);
 
+	if (!dev_supports_atomic(dev)) {
+		crtc->state = kzalloc(sizeof(*crtc->state), GFP_KERNEL);
+		if (!crtc->state) {
+			DRM_DEBUG_KMS("out of memory when allocating state\n");
+			ret = -ENOMEM;
+			goto out;
+		}
+	}
+
 	ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
 	if (ret)
 		goto out;
 
 	crtc->base.properties = &crtc->properties;
-	crtc->base.propvals = &crtc->propvals;
+	crtc->base.propvals = &crtc->state->propvals;
 
 	list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
 	dev->mode_config.num_crtc++;
@@ -559,6 +568,67 @@ void drm_crtc_cleanup(struct drm_crtc *crtc)
 }
 EXPORT_SYMBOL(drm_crtc_cleanup);
 
+int drm_crtc_check_state(struct drm_crtc *crtc,
+		struct drm_crtc_state *state)
+{
+	struct drm_framebuffer *fb = state->fb;
+	int hdisplay, vdisplay;
+
+	/* disabling the crtc is allowed: */
+	if (!fb)
+		return 0;
+
+	hdisplay = crtc->mode.hdisplay;
+	vdisplay = crtc->mode.vdisplay;
+
+	if (state->invert_dimensions)
+		swap(hdisplay, vdisplay);
+
+	if (hdisplay > fb->width ||
+	    vdisplay > fb->height ||
+	    state->x > fb->width - hdisplay ||
+	    state->y > fb->height - vdisplay) {
+		DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
+			      fb->width, fb->height, hdisplay, vdisplay,
+			      state->x, state->y,
+			      state->invert_dimensions ? " (inverted)" : "");
+		return -ENOSPC;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_crtc_check_state);
+
+void drm_crtc_commit_state(struct drm_crtc *crtc,
+		struct drm_crtc_state *state)
+{
+	crtc->state = state;
+	crtc->base.propvals = &state->propvals;
+}
+EXPORT_SYMBOL(drm_crtc_commit_state);
+
+int drm_crtc_set_property(struct drm_crtc *crtc,
+		struct drm_crtc_state *state,
+		struct drm_property *property, uint64_t value)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_mode_config *config = &dev->mode_config;
+
+	if (property == config->prop_fb_id) {
+		struct drm_mode_object *obj = drm_property_get_obj(property, value);
+		state->fb = obj ? obj_to_fb(obj) : NULL;
+	} else if (property == config->prop_crtc_x) {
+		state->x = *(int *)&value;
+	} else if (property == config->prop_crtc_y) {
+		state->y = *(int32_t *)&value;
+	} else {
+		return -EINVAL;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_crtc_set_property);
+
 /**
  * drm_mode_probed_add - add a mode to a connector's probed mode list
  * @connector: connector the new mode
@@ -1689,11 +1759,11 @@ int drm_mode_getcrtc(struct drm_device *dev,
 	}
 	crtc = obj_to_crtc(obj);
 
-	crtc_resp->x = crtc->x;
-	crtc_resp->y = crtc->y;
+	crtc_resp->x = crtc->state->x;
+	crtc_resp->y = crtc->state->y;
 	crtc_resp->gamma_size = crtc->gamma_size;
-	if (crtc->fb)
-		crtc_resp->fb_id = crtc->fb->base.id;
+	if (crtc->state->fb)
+		crtc_resp->fb_id = crtc->state->fb->base.id;
 	else
 		crtc_resp->fb_id = 0;
 
@@ -2283,12 +2353,12 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
 		/* If we have a mode we need a framebuffer. */
 		/* If we pass -1, set the mode with the currently bound fb */
 		if (crtc_req->fb_id == -1) {
-			if (!crtc->fb) {
+			if (!crtc->state->fb) {
 				DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
 				ret = -EINVAL;
 				goto out;
 			}
-			fb = crtc->fb;
+			fb = crtc->state->fb;
 		} else {
 			obj = drm_mode_object_find(dev, crtc_req->fb_id,
 						   DRM_MODE_OBJECT_FB);
@@ -2318,7 +2388,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
 		hdisplay = mode->hdisplay;
 		vdisplay = mode->vdisplay;
 
-		if (crtc->invert_dimensions)
+		if (crtc->state->invert_dimensions)
 			swap(hdisplay, vdisplay);
 
 		if (hdisplay > fb->width ||
@@ -2328,7 +2398,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
 			DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
 				      fb->width, fb->height,
 				      hdisplay, vdisplay, crtc_req->x, crtc_req->y,
-				      crtc->invert_dimensions ? " (inverted)" : "");
+				      crtc->state->invert_dimensions ? " (inverted)" : "");
 			ret = -ENOSPC;
 			goto out;
 		}
@@ -3639,9 +3709,6 @@ int drm_mode_crtc_set_obj_prop(struct drm_crtc *crtc,
 
 	if (crtc->funcs->set_property)
 		ret = crtc->funcs->set_property(crtc, state, property, value);
-	if (!ret)
-		drm_object_property_set_value(&crtc->base, &crtc->propvals,
-				property, value);
 
 	return ret;
 }
@@ -4028,7 +4095,7 @@ static int drm_mode_page_flip_ioctl_legacy(struct drm_device *dev,
 		goto out;
 	crtc = obj_to_crtc(obj);
 
-	if (crtc->fb == NULL) {
+	if (crtc->state->fb == NULL) {
 		/* The framebuffer is currently unbound, presumably
 		 * due to a hotplug event, that userspace has not
 		 * yet discovered.
@@ -4048,16 +4115,17 @@ static int drm_mode_page_flip_ioctl_legacy(struct drm_device *dev,
 	hdisplay = crtc->mode.hdisplay;
 	vdisplay = crtc->mode.vdisplay;
 
-	if (crtc->invert_dimensions)
+	if (crtc->state->invert_dimensions)
 		swap(hdisplay, vdisplay);
 
 	if (hdisplay > fb->width ||
 	    vdisplay > fb->height ||
-	    crtc->x > fb->width - hdisplay ||
-	    crtc->y > fb->height - vdisplay) {
+	    crtc->state->x > fb->width - hdisplay ||
+	    crtc->state->y > fb->height - vdisplay) {
 		DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
-			      fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y,
-			      crtc->invert_dimensions ? " (inverted)" : "");
+			      fb->width, fb->height, hdisplay, vdisplay,
+			      crtc->state->x, crtc->state->y,
+			      crtc->state->invert_dimensions ? " (inverted)" : "");
 		ret = -ENOSPC;
 		goto out;
 	}
@@ -4114,7 +4182,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
 		goto out_unlock;
 	}
 
-	if (crtc->fb == NULL) {
+	if (crtc->state->fb == NULL) {
 		/* The framebuffer is currently unbound, presumably
 		 * due to a hotplug event, that userspace has not
 		 * yet discovered.
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 3252e70..65ed229 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -266,7 +266,7 @@ void drm_helper_disable_unused_functions(struct drm_device *dev)
 				(*crtc_funcs->disable)(crtc);
 			else
 				(*crtc_funcs->dpms)(crtc, DRM_MODE_DPMS_OFF);
-			crtc->fb = NULL;
+			crtc->state->fb = NULL;
 		}
 	}
 }
@@ -363,15 +363,15 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
 
 	saved_hwmode = crtc->hwmode;
 	saved_mode = crtc->mode;
-	saved_x = crtc->x;
-	saved_y = crtc->y;
+	saved_x = crtc->state->x;
+	saved_y = crtc->state->y;
 
 	/* Update crtc values up front so the driver can rely on them for mode
 	 * setting.
 	 */
 	crtc->mode = *mode;
-	crtc->x = x;
-	crtc->y = y;
+	crtc->state->x = x;
+	crtc->state->y = y;
 
 	/* Pass our mode to the connectors and the CRTC to give them a chance to
 	 * adjust it according to limitations or connector properties, and also
@@ -456,8 +456,8 @@ done:
 	if (!ret) {
 		crtc->hwmode = saved_hwmode;
 		crtc->mode = saved_mode;
-		crtc->x = saved_x;
-		crtc->y = saved_y;
+		crtc->state->x = saved_x;
+		crtc->state->y = saved_y;
 	}
 
 	return ret;
@@ -591,29 +591,29 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 
 	save_set.crtc = set->crtc;
 	save_set.mode = &set->crtc->mode;
-	save_set.x = set->crtc->x;
-	save_set.y = set->crtc->y;
-	save_set.fb = set->crtc->fb;
+	save_set.x = set->crtc->state->x;
+	save_set.y = set->crtc->state->y;
+	save_set.fb = set->crtc->state->fb;
 
 	/* We should be able to check here if the fb has the same properties
 	 * and then just flip_or_move it */
-	if (set->crtc->fb != set->fb) {
+	if (set->crtc->state->fb != set->fb) {
 		/* If we have no fb then treat it as a full mode set */
-		if (set->crtc->fb == NULL) {
+		if (set->crtc->state->fb == NULL) {
 			DRM_DEBUG_KMS("crtc has no fb, full mode set\n");
 			mode_changed = true;
 		} else if (set->fb == NULL) {
 			mode_changed = true;
-		} else if (set->fb->depth != set->crtc->fb->depth) {
+		} else if (set->fb->depth != set->crtc->state->fb->depth) {
 			mode_changed = true;
 		} else if (set->fb->bits_per_pixel !=
-			   set->crtc->fb->bits_per_pixel) {
+			   set->crtc->state->fb->bits_per_pixel) {
 			mode_changed = true;
 		} else
 			fb_changed = true;
 	}
 
-	if (set->x != set->crtc->x || set->y != set->crtc->y)
+	if (set->x != set->crtc->state->x || set->y != set->crtc->state->y)
 		fb_changed = true;
 
 	if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) {
@@ -704,14 +704,14 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 			DRM_DEBUG_KMS("attempting to set mode from"
 					" userspace\n");
 			drm_mode_debug_printmodeline(set->mode);
-			old_fb = set->crtc->fb;
-			set->crtc->fb = set->fb;
+			old_fb = set->crtc->state->fb;
+			set->crtc->state->fb = set->fb;
 			if (!drm_crtc_helper_set_mode(set->crtc, set->mode,
 						      set->x, set->y,
 						      old_fb)) {
 				DRM_ERROR("failed to set mode on [CRTC:%d]\n",
 					  set->crtc->base.id);
-				set->crtc->fb = old_fb;
+				set->crtc->state->fb = old_fb;
 				ret = -EINVAL;
 				goto fail;
 			}
@@ -724,16 +724,16 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 		}
 		drm_helper_disable_unused_functions(dev);
 	} else if (fb_changed) {
-		set->crtc->x = set->x;
-		set->crtc->y = set->y;
+		set->crtc->state->x = set->x;
+		set->crtc->state->y = set->y;
 
-		old_fb = set->crtc->fb;
-		if (set->crtc->fb != set->fb)
-			set->crtc->fb = set->fb;
+		old_fb = set->crtc->state->fb;
+		if (set->crtc->state->fb != set->fb)
+			set->crtc->state->fb = set->fb;
 		ret = crtc_funcs->mode_set_base(set->crtc,
 						set->x, set->y, old_fb);
 		if (ret != 0) {
-			set->crtc->fb = old_fb;
+			set->crtc->state->fb = old_fb;
 			goto fail;
 		}
 	}
@@ -888,7 +888,8 @@ int drm_helper_resume_force_mode(struct drm_device *dev)
 			continue;
 
 		ret = drm_crtc_helper_set_mode(crtc, &crtc->mode,
-					       crtc->x, crtc->y, crtc->fb);
+					       crtc->state->x, crtc->state->y,
+					       crtc->state->fb);
 
 		if (ret == false)
 			DRM_ERROR("failed to set mode on crtc %p\n", crtc);
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 80bdb59..725ae08 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -185,7 +185,7 @@ static struct drm_framebuffer *drm_mode_config_fb(struct drm_crtc *crtc)
 
 	list_for_each_entry(c, &dev->mode_config.crtc_list, head) {
 		if (crtc->base.id == c->base.id)
-			return c->fb;
+			return c->state->fb;
 	}
 
 	return NULL;
@@ -214,8 +214,9 @@ int drm_fb_helper_debug_leave(struct fb_info *info)
 		}
 
 		drm_fb_helper_restore_lut_atomic(mode_set->crtc);
-		funcs->mode_set_base_atomic(mode_set->crtc, fb, crtc->x,
-					    crtc->y, LEAVE_ATOMIC_MODE_SET);
+		funcs->mode_set_base_atomic(mode_set->crtc, fb,
+				crtc->state->x, crtc->state->y,
+				LEAVE_ATOMIC_MODE_SET);
 	}
 
 	return 0;
@@ -1356,9 +1357,9 @@ int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)
 
 	mutex_lock(&dev->mode_config.mutex);
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		if (crtc->fb)
+		if (crtc->state->fb)
 			crtcs_bound++;
-		if (crtc->fb == fb_helper->fb)
+		if (crtc->state->fb == fb_helper->fb)
 			bound++;
 	}
 
diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c
index 1236d21..b903c63 100644
--- a/drivers/staging/omapdrm/omap_crtc.c
+++ b/drivers/staging/omapdrm/omap_crtc.c
@@ -206,7 +206,7 @@ static int omap_crtc_mode_set(struct drm_crtc *crtc,
 		}
 	}
 
-	return omap_plane_mode_set(omap_crtc->plane, crtc, crtc->fb,
+	return omap_plane_mode_set(omap_crtc->plane, crtc, crtc->state->fb,
 			0, 0, mode->hdisplay, mode->vdisplay,
 			x << 16, y << 16,
 			mode->hdisplay << 16, mode->vdisplay << 16,
@@ -234,7 +234,7 @@ static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
 	struct drm_plane *plane = omap_crtc->plane;
 	struct drm_display_mode *mode = &crtc->mode;
 
-	return omap_plane_mode_set(plane, crtc, crtc->fb,
+	return omap_plane_mode_set(plane, crtc, crtc->state->fb,
 			0, 0, mode->hdisplay, mode->vdisplay,
 			x << 16, y << 16,
 			mode->hdisplay << 16, mode->vdisplay << 16,
@@ -274,14 +274,14 @@ static void page_flip_worker(struct work_struct *work)
 	struct drm_gem_object *bo;
 
 	mutex_lock(&dev->mode_config.mutex);
-	omap_plane_mode_set(omap_crtc->plane, crtc, crtc->fb,
+	omap_plane_mode_set(omap_crtc->plane, crtc, crtc->state->fb,
 			0, 0, mode->hdisplay, mode->vdisplay,
-			crtc->x << 16, crtc->y << 16,
+			crtc->state->x << 16, crtc->state->y << 16,
 			mode->hdisplay << 16, mode->vdisplay << 16,
 			vblank_cb, crtc);
 	mutex_unlock(&dev->mode_config.mutex);
 
-	bo = omap_framebuffer_bo(crtc->fb, 0);
+	bo = omap_framebuffer_bo(crtc->state->fb, 0);
 	drm_gem_object_unreference_unlocked(bo);
 }
 
@@ -303,7 +303,7 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
 	struct drm_gem_object *bo;
 
-	DBG("%d -> %d (event=%p)", crtc->fb ? crtc->fb->base.id : -1,
+	DBG("%d -> %d (event=%p)", crtc->state->fb ? crtc->state->fb->base.id : -1,
 			fb->base.id, event);
 
 	if (omap_crtc->old_fb) {
@@ -312,7 +312,7 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
 	}
 
 	omap_crtc->event = event;
-	crtc->fb = fb;
+	crtc->state->fb = fb;
 
 	/*
 	 * Hold a reference temporarily until the crtc is updated
@@ -334,7 +334,7 @@ static int omap_crtc_set_property(struct drm_crtc *crtc, void *state,
 	struct omap_drm_private *priv = crtc->dev->dev_private;
 
 	if (property == priv->rotation_prop) {
-		crtc->invert_dimensions =
+		crtc->state->invert_dimensions =
 				!!(val & ((1LL << DRM_ROTATE_90) | (1LL << DRM_ROTATE_270)));
 	}
 
diff --git a/drivers/staging/omapdrm/omap_fb.c b/drivers/staging/omapdrm/omap_fb.c
index 7fe0345..66c11f9 100644
--- a/drivers/staging/omapdrm/omap_fb.c
+++ b/drivers/staging/omapdrm/omap_fb.c
@@ -316,7 +316,7 @@ struct drm_connector *omap_framebuffer_get_next_connector(
 		if (connector != from) {
 			struct drm_encoder *encoder = connector->encoder;
 			struct drm_crtc *crtc = encoder ? encoder->crtc : NULL;
-			if (crtc && crtc->fb == fb) {
+			if (crtc && crtc->state->fb == fb) {
 				return connector;
 			}
 		}
@@ -342,10 +342,10 @@ void omap_framebuffer_flush(struct drm_framebuffer *fb,
 			 * could do the coordinate translation..
 			 */
 			struct drm_crtc *crtc = connector->encoder->crtc;
-			int cx = max(0, x - crtc->x);
-			int cy = max(0, y - crtc->y);
-			int cw = w + (x - crtc->x) - cx;
-			int ch = h + (y - crtc->y) - cy;
+			int cx = max(0, x - crtc->state->x);
+			int cy = max(0, y - crtc->state->y);
+			int cw = w + (x - crtc->state->x) - cx;
+			int ch = h + (y - crtc->state->y) - cy;
 
 			omap_connector_flush(connector, cx, cy, cw, ch);
 		}
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index ef558dd..f445135 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -375,18 +375,43 @@ struct drm_crtc_funcs {
 };
 
 /**
+ * drm_crtc_state - mutable crtc state
+ * @fb: the framebuffer that the CRTC is currently bound to
+ * @invert_dimensions: for purposes of error checking crtc vs fb sizes,
+ *    invert the width/height of the crtc.  This is used if the driver
+ *    is performing 90 or 270 degree rotated scanout
+ * @x: x position on screen
+ * @y: y position on screen
+ * @propvals: property values
+ */
+struct drm_crtc_state {
+	/*
+	 * NOTE: more should move from 'struct drm_crtc' into here as
+	 * part of the atomic-modeset support:
+	 *   + enabled
+	 *   + mode
+	 *   + hwmode
+	 *   + framedur_ns
+	 *   + linedur_ns
+	 *   + pixeldur_ns
+	 *
+	 * For now, I'm just moving what is needed for atomic-pageflip
+	 */
+	struct drm_framebuffer *fb;
+	bool invert_dimensions;
+	int x, y;
+	struct drm_object_property_values propvals;
+};
+
+/**
  * drm_crtc - central CRTC control structure
  * @dev: parent DRM device
  * @head: list management
  * @base: base KMS object for ID tracking etc.
+ * @state: the mutable state
  * @enabled: is this CRTC enabled?
  * @mode: current mode timings
  * @hwmode: mode timings as programmed to hw regs
- * @invert_dimensions: for purposes of error checking crtc vs fb sizes,
- *    invert the width/height of the crtc.  This is used if the driver
- *    is performing 90 or 270 degree rotated scanout
- * @x: x position on screen
- * @y: y position on screen
  * @funcs: CRTC control functions
  * @gamma_size: size of gamma ramp
  * @gamma_store: gamma ramp values
@@ -405,8 +430,7 @@ struct drm_crtc {
 
 	struct drm_mode_object base;
 
-	/* framebuffer the connector is currently bound to */
-	struct drm_framebuffer *fb;
+	struct drm_crtc_state *state;
 
 	bool enabled;
 
@@ -418,9 +442,6 @@ struct drm_crtc {
 	 */
 	struct drm_display_mode hwmode;
 
-	bool invert_dimensions;
-
-	int x, y;
 	const struct drm_crtc_funcs *funcs;
 
 	/* CRTC gamma size for reporting to userspace */
@@ -434,7 +455,6 @@ struct drm_crtc {
 	void *helper_private;
 
 	struct drm_object_properties properties;
-	struct drm_object_property_values propvals;
 };
 
 
@@ -902,6 +922,13 @@ extern int drm_crtc_init(struct drm_device *dev,
 			 struct drm_crtc *crtc,
 			 const struct drm_crtc_funcs *funcs);
 extern void drm_crtc_cleanup(struct drm_crtc *crtc);
+extern int drm_crtc_check_state(struct drm_crtc *crtc,
+		struct drm_crtc_state *state);
+extern void drm_crtc_commit_state(struct drm_crtc *crtc,
+		struct drm_crtc_state *state);
+extern int drm_crtc_set_property(struct drm_crtc *crtc,
+		struct drm_crtc_state *state,
+		struct drm_property *property, uint64_t value);
 
 extern int drm_connector_init(struct drm_device *dev,
 			      struct drm_connector *connector,
-- 
1.7.9.5

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