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@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index f2d0b1d..2b4bf6c 100644 (file)
--- 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);
                }
        }