From e7ea88207cef513514e706aacc534527ac88b9b8 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 13 Feb 2025 13:37:01 -0500
Subject: [PATCH] drm/amdgpu/gfx: only call mes for enforce isolation if
supported
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@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Shaoyun Liu <shaoyun.liu@amd.com>
Cc: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
(cherry picked from commit 80513e389765c8f9543b26d8fa4bbdf0e59ff8bc)
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 784b03abb3a43..c6aff3ddb42d7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -1643,11 +1643,13 @@ 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];
}
--
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