From 97dcdebba077047d623805fbfa0162b0cd2c997e Mon Sep 17 00:00:00 2001
From: Shiwu Zhang <shiwu.zhang@amd.com>
Date: Wed, 17 May 2023 13:21:15 +0800
Subject: drm/amdgpu: fix the memory override in kiq ring struct
Git-commit: e825fb641b4c78a8dab5101559dd27e64d2f24aa
Patch-mainline: v6.5-rc1
References: jsc#PED-3527 jsc#PED-5475 jsc#PED-6068 jsc#PED-6070 jsc#PED-6116 jsc#PED-6120 jsc#PED-5065 jsc#PED-5477 jsc#PED-5511 jsc#PED-6041 jsc#PED-6069 jsc#PED-6071
This is introduced by the code merge and will let the
adev->gfx.kiq[0].ring struct being overrided
Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index f2d0b1d55d77..2b4bf6c11ae4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -448,8 +448,8 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
ring->mqd_size = mqd_size;
/* prepare MQD backup */
- adev->gfx.mec.mqd_backup[j + xcc_id * adev->gfx.num_compute_rings] = kmalloc(mqd_size, GFP_KERNEL);
- if (!adev->gfx.mec.mqd_backup[j + xcc_id * adev->gfx.num_compute_rings])
+ adev->gfx.mec.mqd_backup[j] = kmalloc(mqd_size, GFP_KERNEL);
+ if (!adev->gfx.mec.mqd_backup[j])
dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
}
}
--
2.42.0