This is a note to let you know that I've just added the patch titled
media: meson: vdec: add missing clk_disable_unprepare on error in vdec_hevc_start()
to the 5.15-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:
media-meson-vdec-add-missing-clk_disable_unprepare-o.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 6eec54c3ed342a9726da2d9ee5706e5372330342
Author: Xu Qiang <xuqiang36@xxxxxxxxxx>
Date: Thu Aug 18 08:57:53 2022 +0200
media: meson: vdec: add missing clk_disable_unprepare on error in vdec_hevc_start()
[ Upstream commit 4029372233e13e281f8c387f279f9f064ced3810 ]
Add the missing clk_disable_unprepare() before return
from vdec_hevc_start() in the error handling case.
Fixes: 823a7300340e (“media: meson: vdec: add common HEVC decoder support”)
Signed-off-by: Xu Qiang <xuqiang36@xxxxxxxxxx>
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/staging/media/meson/vdec/vdec_hevc.c b/drivers/staging/media/meson/vdec/vdec_hevc.c
index 9530e580e57a..afced435c907 100644
--- a/drivers/staging/media/meson/vdec/vdec_hevc.c
+++ b/drivers/staging/media/meson/vdec/vdec_hevc.c
@@ -167,8 +167,12 @@ static int vdec_hevc_start(struct amvdec_session *sess)
clk_set_rate(core->vdec_hevc_clk, 666666666);
ret = clk_prepare_enable(core->vdec_hevc_clk);
- if (ret)
+ if (ret) {
+ if (core->platform->revision == VDEC_REVISION_G12A ||
+ core->platform->revision == VDEC_REVISION_SM1)
+ clk_disable_unprepare(core->vdec_hevcf_clk);
return ret;
+ }
if (core->platform->revision == VDEC_REVISION_SM1)
regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
