Reviewed-by: Andrey Grodzovsky <[email protected]>

Andrey

On 2022-03-03 03:23, Christian König wrote:
We now have standard macros for that.

Signed-off-by: Christian König <[email protected]>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 7 +------
  drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 6 ++++--
  2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 38c9fd7b7ad4..e4ca62225996 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -78,14 +78,10 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct 
drm_sched_job *s_job)
  int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
                     struct amdgpu_job **job, struct amdgpu_vm *vm)
  {
-       size_t size = sizeof(struct amdgpu_job);
-
        if (num_ibs == 0)
                return -EINVAL;
- size += sizeof(struct amdgpu_ib) * num_ibs;
-
-       *job = kzalloc(size, GFP_KERNEL);
+       *job = kzalloc(struct_size(*job, ibs, num_ibs), GFP_KERNEL);
        if (!*job)
                return -ENOMEM;
@@ -95,7 +91,6 @@ int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
         */
        (*job)->base.sched = &adev->rings[0]->sched;
        (*job)->vm = vm;
-       (*job)->ibs = (void *)&(*job)[1];
        (*job)->num_ibs = num_ibs;
amdgpu_sync_create(&(*job)->sync);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
index 6d704772ff42..d599c0540b46 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
@@ -25,6 +25,7 @@
#include <drm/gpu_scheduler.h>
  #include "amdgpu_sync.h"
+#include "amdgpu_ring.h"
/* bit set means command submit involves a preamble IB */
  #define AMDGPU_PREAMBLE_IB_PRESENT          (1 << 0)
@@ -48,12 +49,10 @@ struct amdgpu_job {
        struct amdgpu_vm        *vm;
        struct amdgpu_sync      sync;
        struct amdgpu_sync      sched_sync;
-       struct amdgpu_ib        *ibs;
        struct dma_fence        hw_fence;
        struct dma_fence        *external_hw_fence;
        uint32_t                preamble_status;
        uint32_t                preemption_status;
-       uint32_t                num_ibs;
        bool                    vm_needs_flush;
        uint64_t                vm_pd_addr;
        unsigned                vmid;
@@ -69,6 +68,9 @@ struct amdgpu_job {
/* job_run_counter >= 1 means a resubmit job */
        uint32_t                job_run_counter;
+
+       uint32_t                num_ibs;
+       struct amdgpu_ib        ibs[];
  };
int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,

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