[PATCH v2 5/6] drm/amdgpu: fix the memory override in kiq ring struct

[Zhang, Hawking]

[AMD Official Use Only - General]

The patch is

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Shiwu Zhang
Sent: Thursday, May 18, 2023 20:21
To: amd-gfx at lists.freedesktop.org
Subject: [PATCH v2 5/6] drm/amdgpu: fix the memory override in kiq ring struct

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 at amd.com>
---
 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 8883d5ee13cb..460a771e34a9 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);
 		}
 	}
-- 
2.17.1