This is a note to let you know that I've just added the patch titled
drm/amd: Disable ASPM on SI
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-amd-disable-aspm-on-si.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 <[email protected]> know about it.
>From [email protected] Wed Apr 1 02:40:16
>2026
From: Rosen Penev <[email protected]>
Date: Tue, 31 Mar 2026 17:39:07 -0700
Subject: drm/amd: Disable ASPM on SI
To: [email protected]
Cc: "Alex Deucher" <[email protected]>, "Christian König"
<[email protected]>, "Xinhui Pan" <[email protected]>, "David Airlie"
<[email protected]>, "Simona Vetter" <[email protected]>, "Harry Wentland"
<[email protected]>, "Leo Li" <[email protected]>, "Rodrigo Siqueira"
<[email protected]>, "Ray Wu" <[email protected]>, "Wayne Lin"
<[email protected]>, "Mario Limonciello" <[email protected]>, "Roman
Li" <[email protected]>, "Eric Yang" <[email protected]>, "Tony Cheng"
<[email protected]>, "Mauro Rossi" <[email protected]>, "Timur Kristóf"
<[email protected]>, "Alex Hung" <[email protected]>,
[email protected] (open list:RADEON and AMDGPU DRM DRIVERS),
[email protected] (open list:DRM DRIVERS),
[email protected] (open list)
Message-ID: <[email protected]>
From: Timur Kristóf <[email protected]>
[ Upstream commit 7bdd91abf0cb3ea78160e2e78fb58b12f6a38d55 ]
Enabling ASPM causes randoms hangs on Tahiti and Oland on Zen4.
It's unclear if this is a platform-specific or GPU-specific issue.
Disable ASPM on SI for the time being.
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Timur Kristóf <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Rosen Penev <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1761,6 +1761,13 @@ static bool amdgpu_device_pcie_dynamic_s
static bool amdgpu_device_aspm_support_quirk(struct amdgpu_device *adev)
{
+ /* Enabling ASPM causes randoms hangs on Tahiti and Oland on Zen4.
+ * It's unclear if this is a platform-specific or GPU-specific issue.
+ * Disable ASPM on SI for the time being.
+ */
+ if (adev->family == AMDGPU_FAMILY_SI)
+ return true;
+
#if IS_ENABLED(CONFIG_X86)
struct cpuinfo_x86 *c = &cpu_data(0);
Patches currently in stable-queue which might be from [email protected] are
queue-6.12/drm-amd-amdgpu-decouple-aspm-with-pcie-dpm.patch
queue-6.12/drm-amd-display-reject-modes-with-too-high-pixel-clock-on-dce6-10.patch
queue-6.12/drm-amd-display-fix-dce-6.0-and-6.4-pll-programming.patch
queue-6.12/drm-amd-display-disable-scaling-on-dce6-for-now.patch
queue-6.12/drm-amd-display-disable-fastboot-on-dce-6-too.patch
queue-6.12/drm-amd-display-correct-logic-check-error-for-fastboot.patch
queue-6.12/drm-amd-amdgpu-disable-aspm-in-some-situations.patch
queue-6.12/drm-amd-display-keep-pll0-running-on-dce-6.0-and-6.4.patch
queue-6.12/drm-amd-display-adjust-dce-8-10-clock-don-t-overclock-by-15.patch
queue-6.12/drm-amd-disable-aspm-on-si.patch
