commit 1b47cf202dcd976bc4c673973f3ef99143e601fe
author Alexander Graf <agraf@csgraf.de> Fri Jun 10 00:59:17 2022 +0200
committer Simon Glass <sjg@chromium.org> Thu May 01 04:30:53 2025 -0600
tree a96e2f96ec09fcde06d79532a1e99493c2eadb85
parent 3b2cc82293a366a7d147d78aac86a1f4f6a5a18a

vidconsole: Add damage notifications to all vidconsole drivers

Now that we have a damage tracking API, let's populate damage done by
vidconsole drivers. We try to declare as little memory as damaged as
possible.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reported-by: Da Xue <da@libre.computer>
[Alper: Rebase for met->baseline, fontdata->height/width, make rotated
        console_putc_xy() damages pass tests, edit patch message]
Co-developed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Link: https://lore.kernel.org/u-boot/20230821135111.3558478-7-alpernebiyasak@gmail.com/

drivers/video/console_normal.c

diff --git a/drivers/video/console_normal.c b/drivers/video/console_normal.c
index 6f4194a..51ac8cc 100644
--- a/drivers/video/console_normal.c
+++ b/drivers/video/console_normal.c
@@ -39,6 +39,12 @@
 	if (ret)
 		return ret;
 
+	video_damage(dev->parent,
+		     0,
+		     fontdata->height * row,
+		     vid_priv->xsize,
+		     fontdata->height);
+
 	return 0;
 }
 
@@ -60,6 +66,12 @@
 	if (ret)
 		return ret;
 
+	video_damage(dev->parent,
+		     0,
+		     fontdata->height * rowdst,
+		     vid_priv->xsize,
+		     fontdata->height * count);
+
 	return 0;
 }
 
@@ -91,6 +103,12 @@
 	if (ret)
 		return ret;
 
+	video_damage(dev->parent,
+		     x,
+		     y,
+		     fontdata->width,
+		     fontdata->height);
+
 	ret = vidconsole_sync_copy(dev, start, line);
 	if (ret)
 		return ret;