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drm/amdgpu: check correct allocated mqd_backup object after alloc

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Instead of the default one, check the right mqd_backup object.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Cc: Le Ma <le.ma@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Guchun Chen
2023-04-26 11:27:46 +08:00
committed by Alex Deucher
parent 7a4685cdfb
commit 34305ac364
1 changed files with 5 additions and 4 deletions
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9
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
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@@ -379,7 +379,7 @@ int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
unsigned mqd_size, int xcc_id)
{
int r, i;
int r, i, j;
struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
struct amdgpu_ring *ring = &kiq->ring;
@@ -431,7 +431,8 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
/* create MQD for each KCQ */
for (i = 0; i < adev->gfx.num_compute_rings; i++) {
ring = &adev->gfx.compute_ring[i + xcc_id * adev->gfx.num_compute_rings];
j = i + xcc_id * adev->gfx.num_compute_rings;
ring = &adev->gfx.compute_ring[j];
if (!ring->mqd_obj) {
r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
@@ -443,8 +444,8 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
ring->mqd_size = mqd_size;
/* prepare MQD backup */
adev->gfx.mec.mqd_backup[i + xcc_id * adev->gfx.num_compute_rings] = kmalloc(mqd_size, GFP_KERNEL);
if (!adev->gfx.mec.mqd_backup[i])
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);
}
}