This is a note to let you know that I've just added the patch titled
drm/amdgpu/gfx: only call mes for enforce isolation if supported
to the 6.13-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-amdgpu-gfx-only-call-mes-for-enforce-isolation-i.patch
and it can be found in the queue-6.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c3b184cf4e4097a0de16a031a2fd729a25d6c34d
Author: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Thu Feb 13 13:37:01 2025 -0500
drm/amdgpu/gfx: only call mes for enforce isolation if supported
[ Upstream commit e7ea88207cef513514e706aacc534527ac88b9b8 ]
This should not be called on chips without MES so check if
MES is enabled and if the cleaner shader is supported.
Fixes: 8521e3c5f058 ("drm/amd/amdgpu: limit single process inside MES")
Reviewed-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Shaoyun Liu <shaoyun.liu@xxxxxxx>
Cc: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
(cherry picked from commit 80513e389765c8f9543b26d8fa4bbdf0e59ff8bc)
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 9a4dad3e41529..11aa55bd16d28 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -1598,11 +1598,13 @@ static ssize_t amdgpu_gfx_set_enforce_isolation(struct device *dev,
if (adev->enforce_isolation[i] && !partition_values[i]) {
/* Going from enabled to disabled */
amdgpu_vmid_free_reserved(adev, AMDGPU_GFXHUB(i));
- amdgpu_mes_set_enforce_isolation(adev, i, false);
+ if (adev->enable_mes && adev->gfx.enable_cleaner_shader)
+ amdgpu_mes_set_enforce_isolation(adev, i, false);
} else if (!adev->enforce_isolation[i] && partition_values[i]) {
/* Going from disabled to enabled */
amdgpu_vmid_alloc_reserved(adev, AMDGPU_GFXHUB(i));
- amdgpu_mes_set_enforce_isolation(adev, i, true);
+ if (adev->enable_mes && adev->gfx.enable_cleaner_shader)
+ amdgpu_mes_set_enforce_isolation(adev, i, true);
}
adev->enforce_isolation[i] = partition_values[i];
}
