1 files changed, 36 insertions, 21 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index 112aa0447a0d..f76b06293eb9 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -124,6 +124,8 @@ static const struct fb_ops intelfb_ops = {
 	.owner = THIS_MODULE,
 	DRM_FB_HELPER_DEFAULT_OPS,
 	.fb_set_par = intel_fbdev_set_par,
+	.fb_read = drm_fb_helper_cfb_read,
+	.fb_write = drm_fb_helper_cfb_write,
 	.fb_fillrect = drm_fb_helper_cfb_fillrect,
 	.fb_copyarea = drm_fb_helper_cfb_copyarea,
 	.fb_imageblit = drm_fb_helper_cfb_imageblit,
@@ -168,14 +170,14 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
 		 * important and we should probably use that space with FBC or other
 		 * features.
 		 */
-		if (size * 2 < dev_priv->stolen_usable_size)
+		if (size * 2 < dev_priv->dsm.usable_size)
 			obj = i915_gem_object_create_stolen(dev_priv, size);
 		if (IS_ERR(obj))
 			obj = i915_gem_object_create_shmem(dev_priv, size);
 	}
 
 	if (IS_ERR(obj)) {
-		drm_err(&dev_priv->drm, "failed to allocate framebuffer\n");
+		drm_err(&dev_priv->drm, "failed to allocate framebuffer (%pe)\n", obj);
 		return PTR_ERR(obj);
 	}
 
@@ -254,9 +256,9 @@ static int intelfb_create(struct drm_fb_helper *helper,
 		goto out_unlock;
 	}
 
-	info = drm_fb_helper_alloc_fbi(helper);
+	info = drm_fb_helper_alloc_info(helper);
 	if (IS_ERR(info)) {
-		drm_err(&dev_priv->drm, "Failed to allocate fb_info\n");
+		drm_err(&dev_priv->drm, "Failed to allocate fb_info (%pe)\n", info);
 		ret = PTR_ERR(info);
 		goto out_unpin;
 	}
@@ -265,33 +267,26 @@ static int intelfb_create(struct drm_fb_helper *helper,
 
 	info->fbops = &intelfb_ops;
 
-	/* setup aperture base/size for vesafb takeover */
 	obj = intel_fb_obj(&intel_fb->base);
 	if (i915_gem_object_is_lmem(obj)) {
 		struct intel_memory_region *mem = obj->mm.region;
 
-		info->apertures->ranges[0].base = mem->io_start;
-		info->apertures->ranges[0].size = mem->io_size;
-
 		/* Use fbdev's framebuffer from lmem for discrete */
 		info->fix.smem_start =
 			(unsigned long)(mem->io_start +
 					i915_gem_object_get_dma_address(obj, 0));
 		info->fix.smem_len = obj->base.size;
 	} else {
-		info->apertures->ranges[0].base = ggtt->gmadr.start;
-		info->apertures->ranges[0].size = ggtt->mappable_end;
-
 		/* Our framebuffer is the entirety of fbdev's system memory */
 		info->fix.smem_start =
-			(unsigned long)(ggtt->gmadr.start + vma->node.start);
+			(unsigned long)(ggtt->gmadr.start + i915_ggtt_offset(vma));
 		info->fix.smem_len = vma->size;
 	}
 
 	vaddr = i915_vma_pin_iomap(vma);
 	if (IS_ERR(vaddr)) {
 		drm_err(&dev_priv->drm,
-			"Failed to remap framebuffer into virtual memory\n");
+			"Failed to remap framebuffer into virtual memory (%pe)\n", vaddr);
 		ret = PTR_ERR(vaddr);
 		goto out_unpin;
 	}
@@ -326,8 +321,20 @@ out_unlock:
 	return ret;
 }
 
+static int intelfb_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip)
+{
+	if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2))
+		return 0;
+
+	if (helper->fb->funcs->dirty)
+		return helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1);
+
+	return 0;
+}
+
 static const struct drm_fb_helper_funcs intel_fb_helper_funcs = {
 	.fb_probe = intelfb_create,
+	.fb_dirty = intelfb_dirty,
 };
 
 static void intel_fbdev_destroy(struct intel_fbdev *ifbdev)
@@ -345,6 +352,7 @@ static void intel_fbdev_destroy(struct intel_fbdev *ifbdev)
 	if (ifbdev->fb)
 		drm_framebuffer_remove(&ifbdev->fb->base);
 
+	drm_fb_helper_unprepare(&ifbdev->helper);
 	kfree(ifbdev);
 }
 
@@ -525,10 +533,12 @@ int intel_fbdev_init(struct drm_device *dev)
 		return -ENOMEM;
 
 	mutex_init(&ifbdev->hpd_lock);
-	drm_fb_helper_prepare(dev, &ifbdev->helper, &intel_fb_helper_funcs);
+	drm_fb_helper_prepare(dev, &ifbdev->helper, 32, &intel_fb_helper_funcs);
 
-	if (!intel_fbdev_init_bios(dev, ifbdev))
-		ifbdev->preferred_bpp = 32;
+	if (intel_fbdev_init_bios(dev, ifbdev))
+		ifbdev->helper.preferred_bpp = ifbdev->preferred_bpp;
+	else
+		ifbdev->preferred_bpp = ifbdev->helper.preferred_bpp;
 
 	ret = drm_fb_helper_init(dev, &ifbdev->helper);
 	if (ret) {
@@ -547,8 +557,7 @@ static void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
 	struct intel_fbdev *ifbdev = data;
 
 	/* Due to peculiar init order wrt to hpd handling this is separate. */
-	if (drm_fb_helper_initial_config(&ifbdev->helper,
-					 ifbdev->preferred_bpp))
+	if (drm_fb_helper_initial_config(&ifbdev->helper))
 		intel_fbdev_unregister(to_i915(ifbdev->helper.dev));
 }
 
@@ -584,7 +593,7 @@ void intel_fbdev_unregister(struct drm_i915_private *dev_priv)
 	if (!current_is_async())
 		intel_fbdev_sync(ifbdev);
 
-	drm_fb_helper_unregister_fbi(&ifbdev->helper);
+	drm_fb_helper_unregister_info(&ifbdev->helper);
 }
 
 void intel_fbdev_fini(struct drm_i915_private *dev_priv)
@@ -624,10 +633,16 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous
 	struct intel_fbdev *ifbdev = dev_priv->display.fbdev.fbdev;
 	struct fb_info *info;
 
-	if (!ifbdev || !ifbdev->vma)
+	if (!ifbdev)
+		return;
+
+	if (drm_WARN_ON(&dev_priv->drm, !HAS_DISPLAY(dev_priv)))
+		return;
+
+	if (!ifbdev->vma)
 		goto set_suspend;
 
-	info = ifbdev->helper.fbdev;
+	info = ifbdev->helper.info;
 
 	if (synchronous) {
 		/* Flush any pending work to turn the console on, and then