This is a note to let you know that I've just added the patch titled
drm/i915/display: Check source height is > 0
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-display-check-source-height-is-0.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8565c502e7c156d190d8e6d36e443f51b257f165 Mon Sep 17 00:00:00 2001
From: Drew Davenport <ddavenport@xxxxxxxxxxxx>
Date: Mon, 26 Dec 2022 22:53:24 -0700
Subject: drm/i915/display: Check source height is > 0
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From: Drew Davenport <ddavenport@xxxxxxxxxxxx>
commit 8565c502e7c156d190d8e6d36e443f51b257f165 upstream.
The error message suggests that the height of the src rect must be at
least 1. Reject source with height of 0.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Drew Davenport <ddavenport@xxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20221226225246.1.I15dff7bb5a0e485c862eae61a69096caf12ef29f@changeid
(cherry picked from commit 0fe76b198d482b41771a8d17b45fb726d13083cf)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/skl_universal_plane.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -1620,7 +1620,7 @@ static int skl_check_main_surface(struct
u32 offset;
int ret;
- if (w > max_width || w < min_width || h > max_height) {
+ if (w > max_width || w < min_width || h > max_height || h < 1) {
drm_dbg_kms(&dev_priv->drm,
"requested Y/RGB source size %dx%d outside limits (min: %dx1 max: %dx%d)\n",
w, h, min_width, max_width, max_height);
Patches currently in stable-queue which might be from ddavenport@xxxxxxxxxxxx are
queue-6.1/drm-i915-display-check-source-height-is-0.patch
