Patch "drm/ast: Fix soft lockup" has been added to the 6.1-stable tree

This is a note to let you know that I've just added the patch titled drm/ast: Fix soft lockup 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-ast-fix-soft-lockup.patch

Patch "drm/ast: Fix soft lockup" has been added to the 6.6-stable tree

This is a note to let you know that I've just added the patch titled drm/ast: Fix soft lockup to the 6.6-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-ast-fix-soft-lockup.patch

Patch "drm/ast: Fix soft lockup" has been added to the 6.8-stable tree

This is a note to let you know that I've just added the patch titled drm/ast: Fix soft lockup to the 6.8-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-ast-fix-soft-lockup.patch

Re: [PATCH] drm/ast: Fix soft lockup

Hi Am 01.04.24 um 04:20 schrieb 黃立銘: Hi Thomas and Jocelyn, What we do in ast_dp_set_on_off() is a handshake between host driver and bmc-fw to confirm the operation, on/off, is completed. We use some scratch registers in bmc to handshake with host. This handshake only work if BMC's scu-lock

Re: [PATCH] drm/ast: Fix soft lockup

Hi Thomas and Jocelyn, What we do in ast_dp_set_on_off() is a handshake between host driver and bmc-fw to confirm the operation, on/off, is completed. We use some scratch registers in bmc to handshake with host. This handshake only work if BMC's scu-lock is opened. If scu-lock is opened too

Re: [PATCH] drm/ast: Fix soft lockup

Hi Thomas and Jocelyn, What we do in ast_dp_set_on_off() is a handshake between host driver and bmc-fw to confirm the operation, on/off, is completed. We use some scratch registers in bmc to handshake with host. This handshake only work if BMC's scu-lock is opened. If scu-lock is opened too

Re: [PATCH] drm/ast: Fix soft lockup

Hi Am 27.03.24 um 09:53 schrieb Jocelyn Falempe: Hi, Thanks for your patch. I'm wondering how you can trigger this infinite loop ? Yeah, a bit more context for this bug would be welcome. It's hard to judge the fix without. Best regards Thomas Also this looks like a simple fix, that can

Re: [PATCH] drm/ast: Fix soft lockup

Hi, Thanks for your patch. I'm wondering how you can trigger this infinite loop ? Also this looks like a simple fix, that can be easily backported, so I'm adding stable in Cc. If Thomas has no objections, I can push it to drm-misc-fixes. Reviewed-by: Jocelyn Falempe -- Jocelyn On

[PATCH] drm/ast: Fix soft lockup

Avoid infinite-loop in ast_dp_set_on_off(). Signed-off-by: Jammy Huang --- drivers/gpu/drm/ast/ast_dp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c index ebb6d8ebd44e..1e9259416980 100644 --- a/drivers/gpu/drm/ast/ast_dp.c