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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c36
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 8b512dc28df8..7d9bcb72e8dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -89,16 +89,14 @@ int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
/**
* amdgpu_ib_free - free an IB (Indirect Buffer)
*
- * @adev: amdgpu_device pointer
* @ib: IB object to free
* @f: the fence SA bo need wait on for the ib alloation
*
* Free an IB (all asics).
*/
-void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
- struct dma_fence *f)
+void amdgpu_ib_free(struct amdgpu_ib *ib, struct dma_fence *f)
{
- amdgpu_sa_bo_free(adev, &ib->sa_bo, f);
+ amdgpu_sa_bo_free(&ib->sa_bo, f);
}
/**
@@ -130,6 +128,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned int num_ibs,
struct amdgpu_device *adev = ring->adev;
struct amdgpu_ib *ib = &ibs[0];
struct dma_fence *tmp = NULL;
+ struct amdgpu_fence *af;
bool need_ctx_switch;
struct amdgpu_vm *vm;
uint64_t fence_ctx;
@@ -140,7 +139,6 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned int num_ibs,
int vmid = AMDGPU_JOB_GET_VMID(job);
bool need_pipe_sync = false;
unsigned int cond_exec;
-
unsigned int i;
int r = 0;
@@ -156,6 +154,12 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned int num_ibs,
csa_va = job->csa_va;
gds_va = job->gds_va;
init_shadow = job->init_shadow;
+ af = &job->hw_fence;
+ /* Save the context of the job for reset handling.
+ * The driver needs this so it can skip the ring
+ * contents for guilty contexts.
+ */
+ af->context = job->base.s_fence ? job->base.s_fence->finished.context : 0;
} else {
vm = NULL;
fence_ctx = 0;
@@ -163,14 +167,15 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned int num_ibs,
csa_va = 0;
gds_va = 0;
init_shadow = false;
+ af = NULL;
}
- if (!ring->sched.ready && !ring->is_mes_queue) {
+ if (!ring->sched.ready) {
dev_err(adev->dev, "couldn't schedule ib on ring <%s>\n", ring->name);
return -EINVAL;
}
- if (vm && !job->vmid && !ring->is_mes_queue) {
+ if (vm && !job->vmid) {
dev_err(adev->dev, "VM IB without ID\n");
return -EINVAL;
}
@@ -193,8 +198,8 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned int num_ibs,
need_ctx_switch = ring->current_ctx != fence_ctx;
if (ring->funcs->emit_pipeline_sync && job &&
((tmp = amdgpu_sync_get_fence(&job->explicit_sync)) ||
- (amdgpu_sriov_vf(adev) && need_ctx_switch) ||
- amdgpu_vm_need_pipeline_sync(ring, job))) {
+ need_ctx_switch || amdgpu_vm_need_pipeline_sync(ring, job))) {
+
need_pipe_sync = true;
if (tmp)
@@ -284,7 +289,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned int num_ibs,
amdgpu_ring_init_cond_exec(ring, ring->cond_exe_gpu_addr);
}
- r = amdgpu_fence_emit(ring, f, job, fence_flags);
+ r = amdgpu_fence_emit(ring, f, af, fence_flags);
if (r) {
dev_err(adev->dev, "failed to emit fence (%d)\n", r);
if (job && job->vmid)
@@ -299,15 +304,24 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned int num_ibs,
amdgpu_ring_patch_cond_exec(ring, cond_exec);
ring->current_ctx = fence_ctx;
- if (vm && ring->funcs->emit_switch_buffer)
+ if (job && ring->funcs->emit_switch_buffer)
amdgpu_ring_emit_switch_buffer(ring);
if (ring->funcs->emit_wave_limit &&
ring->hw_prio == AMDGPU_GFX_PIPE_PRIO_HIGH)
ring->funcs->emit_wave_limit(ring, false);
+ /* Save the wptr associated with this fence.
+ * This must be last for resets to work properly
+ * as we need to save the wptr associated with this
+ * fence so we know what rings contents to backup
+ * after we reset the queue.
+ */
+ amdgpu_fence_save_wptr(*f);
+
amdgpu_ring_ib_end(ring);
amdgpu_ring_commit(ring);
+
return 0;
}