From: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
This patch adds a new parameter 'enforce_isolation' to the amdgpu_job
structure. This parameter is used to determine whether shader isolation
should be enforced for a job. The enforce_isolation parameter is then
stored in the amdgpu_job structure and used when flushing the VM.
The enforce_isolation field of the amdgpu_job structure is set directly
after the job is allocated
This change allows more fine-grained control over shader isolation,
making it possible to enforce isolation on a per-job basis rather than
globally. This can be useful in scenarios where only certain jobs
require isolation.
Cc: Christian König <christian.koenig@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
Suggested-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 3 +++
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 ++-
3 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 5d5ba1e3d90f..1e475eb01417 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -296,6 +296,7 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
num_ibs[i], &p->jobs[i]);
if (ret)
goto free_all_kdata;
+ p->jobs[i]->enforce_isolation = p->adev->enforce_isolation[fpriv->xcp_id];
}
p->gang_leader = p->jobs[p->gang_leader_idx];
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
index a963a25ddd62..ce6b9ba967ff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
@@ -76,6 +76,9 @@ struct amdgpu_job {
/* job_run_counter >= 1 means a resubmit job */
uint32_t job_run_counter;
+ /* enforce isolation */
+ bool enforce_isolation;
+
uint32_t num_ibs;
struct amdgpu_ib ibs[];
};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 71ef3308be92..1468222ea0cd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -682,7 +682,8 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job,
ring->funcs->emit_wreg;
if (adev->gfx.enable_cleaner_shader &&
- ring->funcs->emit_cleaner_shader)
+ ring->funcs->emit_cleaner_shader &&
+ job->enforce_isolation)
ring->funcs->emit_cleaner_shader(ring);
if (!vm_flush_needed && !gds_switch_needed && !need_pipe_sync)
--
2.46.0
