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From ef8734f09344a809c1d0681ffff1711b08b68893 Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Thu, 17 Jan 2019 15:47:36 +0800
Subject: [PATCH 2219/2940] drm/amdgpu: add ib preemption status in amdgpu_job
Add ib preemption status in amdgpu_job, so that ring level function
can detect preemption and program for resuming it.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 70fa9a48e1f8..e114e9d9cd35 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -216,7 +216,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
skip_preamble = ring->current_ctx == fence_ctx;
if (job && ring->funcs->emit_cntxcntl) {
- status |= job->preamble_status;
+ status |= job->preemption_status;
amdgpu_ring_emit_cntxcntl(ring, status);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
index e1b46a6703de..51e62504c279 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
@@ -29,6 +29,8 @@
#define AMDGPU_PREAMBLE_IB_PRESENT_FIRST (1 << 1)
/* bit set means context switch occured */
#define AMDGPU_HAVE_CTX_SWITCH (1 << 2)
+/* bit set means IB is preempted */
+#define AMDGPU_IB_PREEMPTED (1 << 3)
#define to_amdgpu_job(sched_job) \
container_of((sched_job), struct amdgpu_job, base)
@@ -45,6 +47,7 @@ struct amdgpu_job {
struct amdgpu_ib *ibs;
struct dma_fence *fence; /* the hw fence */
uint32_t preamble_status;
+ uint32_t preemption_status;
uint32_t num_ibs;
void *owner;
bool vm_needs_flush;
--
2.17.1
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