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authorGuchun Chen <guchun.chen@amd.com>2023-04-26 11:27:46 +0800
committerAlex Deucher <alexander.deucher@amd.com>2023-06-09 09:24:07 -0400
commit34305ac364dbee1b8e4e5307599c8b9afff0b01c (patch)
tree1611ab7efda2a92cc7bca50ad1727c7844df3d79 /drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
parent7a4685cdfbdb94f1cf5ea2ddde824d94bf414708 (diff)
downloadlwn-34305ac364dbee1b8e4e5307599c8b9afff0b01c.tar.gz
lwn-34305ac364dbee1b8e4e5307599c8b9afff0b01c.zip
drm/amdgpu: check correct allocated mqd_backup object after alloc
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 2cf1f88fde48..66b9740ec376 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -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);
}
}