This is a note to let you know that I've just added the patch titled
drm/amd/pp: fix typecast error in powerplay.
to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: drm-amd-pp-fix-typecast-error-in-powerplay.patch and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From 8d8258bdab735d9f3c4b78e091ecfbb2b2b1f2ca Mon Sep 17 00:00:00 2001
From: Rex Zhu Rex.Zhu@amd.com Date: Fri, 17 Nov 2017 16:41:16 +0800 Subject: drm/amd/pp: fix typecast error in powerplay.
From: Rex Zhu Rex.Zhu@amd.com
commit 8d8258bdab735d9f3c4b78e091ecfbb2b2b1f2ca upstream.
resulted in unexpected data truncation
Reviewed-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Rex Zhu Rex.Zhu@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c @@ -850,9 +850,9 @@ static int init_over_drive_limits( const ATOM_Tonga_POWERPLAYTABLE *powerplay_table) { hwmgr->platform_descriptor.overdriveLimit.engineClock = - le16_to_cpu(powerplay_table->ulMaxODEngineClock); + le32_to_cpu(powerplay_table->ulMaxODEngineClock); hwmgr->platform_descriptor.overdriveLimit.memoryClock = - le16_to_cpu(powerplay_table->ulMaxODMemoryClock); + le32_to_cpu(powerplay_table->ulMaxODMemoryClock);
hwmgr->platform_descriptor.minOverdriveVDDC = 0; hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
Patches currently in stable-queue which might be from Rex.Zhu@amd.com are
queue-4.14/drm-amd-pp-fix-typecast-error-in-powerplay.patch