This is a note to let you know that I've just added the patch titled
drm/imagination: Convert to use time_before macro
to the 6.12-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-imagination-convert-to-use-time_before-macro.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 41c6d3cab2c1fb12c5913bb8f10dbda1e4bbde62
Author: Chen Yufan <chenyufan@xxxxxxxx>
Date: Fri Aug 23 17:39:24 2024 +0800
drm/imagination: Convert to use time_before macro
[ Upstream commit 7a5115ba1d691bd14db91d2fcc3ce0b056574ce9 ]
Use time_*() macros instead of using jiffies directly to handle overflow
issues.
Fixes: cc1aeedb98ad ("drm/imagination: Implement firmware infrastructure and META FW support")
Signed-off-by: Chen Yufan <chenyufan@xxxxxxxx>
Reviewed-by: Matt Coster <matt.coster@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823093925.9599-1-chenyufan@xxxxxxxx
Signed-off-by: Matt Coster <matt.coster@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/imagination/pvr_ccb.c b/drivers/gpu/drm/imagination/pvr_ccb.c
index 4deeac7ed40a4..2bbdc05a3b977 100644
--- a/drivers/gpu/drm/imagination/pvr_ccb.c
+++ b/drivers/gpu/drm/imagination/pvr_ccb.c
@@ -321,7 +321,7 @@ static int pvr_kccb_reserve_slot_sync(struct pvr_device *pvr_dev)
bool reserved = false;
u32 retries = 0;
- while ((jiffies - start_timestamp) < (u32)RESERVE_SLOT_TIMEOUT ||
+ while (time_before(jiffies, start_timestamp + RESERVE_SLOT_TIMEOUT) ||
retries < RESERVE_SLOT_MIN_RETRIES) {
reserved = pvr_kccb_try_reserve_slot(pvr_dev);
if (reserved)
