No point to try recovery if device is gone, it's meaningless.
Signed-off-by: Andrey Grodzovsky <andrey.grodzov...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 2 +-
drivers/gpu/drm/etnaviv/etnaviv_sched.c | 3 ++-
drivers/gpu/drm/lima/lima_sched.c | 3 ++-
drivers/gpu/drm/panfrost/panfrost_job.c | 2 +-
drivers/gpu/drm/scheduler/sched_main.c | 15 ++++++++++++++-
drivers/gpu/drm/v3d/v3d_sched.c | 15 ++++++++++-----
include/drm/gpu_scheduler.h | 6 +++++-
7 files changed, 35 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index d56f402..d0b0021 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -487,7 +487,7 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
r = drm_sched_init(&ring->sched, &amdgpu_sched_ops,
num_hw_submission, amdgpu_job_hang_limit,
- timeout, ring->name);
+ timeout, ring->name, &adev->ddev);
if (r) {
DRM_ERROR("Failed to create scheduler on ring %s.\n",
ring->name);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c
b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
index cd46c88..7678287 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
@@ -185,7 +185,8 @@ int etnaviv_sched_init(struct etnaviv_gpu *gpu)
ret = drm_sched_init(&gpu->sched, &etnaviv_sched_ops,
etnaviv_hw_jobs_limit, etnaviv_job_hang_limit,
- msecs_to_jiffies(500), dev_name(gpu->dev));
+ msecs_to_jiffies(500), dev_name(gpu->dev),
+ gpu->drm);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/lima/lima_sched.c
b/drivers/gpu/drm/lima/lima_sched.c
index dc6df9e..8a7e5d7ca 100644
--- a/drivers/gpu/drm/lima/lima_sched.c
+++ b/drivers/gpu/drm/lima/lima_sched.c
@@ -505,7 +505,8 @@ int lima_sched_pipe_init(struct lima_sched_pipe *pipe,
const char *name)
return drm_sched_init(&pipe->base, &lima_sched_ops, 1,
lima_job_hang_limit, msecs_to_jiffies(timeout),
- name);
+ name,
+ pipe->ldev->ddev);
}
void lima_sched_pipe_fini(struct lima_sched_pipe *pipe)
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c
b/drivers/gpu/drm/panfrost/panfrost_job.c
index 30e7b71..37b03b01 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -520,7 +520,7 @@ int panfrost_job_init(struct panfrost_device *pfdev)
ret = drm_sched_init(&js->queue[j].sched,
&panfrost_sched_ops,
1, 0, msecs_to_jiffies(500),
- "pan_js");
+ "pan_js", pfdev->ddev);
if (ret) {
dev_err(pfdev->dev, "Failed to create scheduler: %d.",
ret);
goto err_sched;
diff --git a/drivers/gpu/drm/scheduler/sched_main.c
b/drivers/gpu/drm/scheduler/sched_main.c
index c3f0bd0..95db8c6 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -53,6 +53,7 @@
#include <drm/drm_print.h>
#include <drm/gpu_scheduler.h>
#include <drm/spsc_queue.h>
+#include <drm/drm_drv.h>
#define CREATE_TRACE_POINTS
#include "gpu_scheduler_trace.h"
@@ -283,8 +284,16 @@ static void drm_sched_job_timedout(struct work_struct
*work)
struct drm_gpu_scheduler *sched;
struct drm_sched_job *job;
+ int idx;
+
sched = container_of(work, struct drm_gpu_scheduler, work_tdr.work);
+ if (!drm_dev_enter(sched->ddev, &idx)) {
+ DRM_INFO("%s - device unplugged skipping recovery on
scheduler:%s",
+ __func__, sched->name);
+ return;
+ }
+
/* Protects against concurrent deletion in drm_sched_get_cleanup_job */
spin_lock(&sched->job_list_lock);
job = list_first_entry_or_null(&sched->ring_mirror_list,
@@ -316,6 +325,8 @@ static void drm_sched_job_timedout(struct work_struct *work)
spin_lock(&sched->job_list_lock);
drm_sched_start_timeout(sched);
spin_unlock(&sched->job_list_lock);
+
+ drm_dev_exit(idx);
}
/**
@@ -845,7 +856,8 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
unsigned hw_submission,
unsigned hang_limit,
long timeout,
- const char *name)
+ const char *name,
+ struct drm_device *ddev)
{
int i, ret;
sched->ops = ops;
@@ -853,6 +865,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
sched->name = name;
sched->timeout = timeout;
sched->hang_limit = hang_limit;
+ sched->ddev = ddev;
for (i = DRM_SCHED_PRIORITY_MIN; i < DRM_SCHED_PRIORITY_COUNT; i++)
drm_sched_rq_init(sched, &sched->sched_rq[i]);
diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c
index 0747614..f5076e5 100644
--- a/drivers/gpu/drm/v3d/v3d_sched.c
+++ b/drivers/gpu/drm/v3d/v3d_sched.c
@@ -401,7 +401,8 @@ v3d_sched_init(struct v3d_dev *v3d)
&v3d_bin_sched_ops,
hw_jobs_limit, job_hang_limit,
msecs_to_jiffies(hang_limit_ms),
- "v3d_bin");
+ "v3d_bin",
+ &v3d->drm);
if (ret) {
dev_err(v3d->drm.dev, "Failed to create bin scheduler: %d.",
ret);
return ret;
@@ -411,7 +412,8 @@ v3d_sched_init(struct v3d_dev *v3d)
&v3d_render_sched_ops,
hw_jobs_limit, job_hang_limit,
msecs_to_jiffies(hang_limit_ms),
- "v3d_render");
+ "v3d_render",
+ &v3d->drm);
if (ret) {
dev_err(v3d->drm.dev, "Failed to create render scheduler: %d.",
ret);
@@ -423,7 +425,8 @@ v3d_sched_init(struct v3d_dev *v3d)
&v3d_tfu_sched_ops,
hw_jobs_limit, job_hang_limit,
msecs_to_jiffies(hang_limit_ms),
- "v3d_tfu");
+ "v3d_tfu",
+ &v3d->drm);
if (ret) {
dev_err(v3d->drm.dev, "Failed to create TFU scheduler: %d.",
ret);
@@ -436,7 +439,8 @@ v3d_sched_init(struct v3d_dev *v3d)
&v3d_csd_sched_ops,
hw_jobs_limit, job_hang_limit,
msecs_to_jiffies(hang_limit_ms),
- "v3d_csd");
+ "v3d_csd",
+ &v3d->drm);
if (ret) {
dev_err(v3d->drm.dev, "Failed to create CSD scheduler:
%d.",
ret);
@@ -448,7 +452,8 @@ v3d_sched_init(struct v3d_dev *v3d)
&v3d_cache_clean_sched_ops,
hw_jobs_limit, job_hang_limit,
msecs_to_jiffies(hang_limit_ms),
- "v3d_cache_clean");
+ "v3d_cache_clean",
+ &v3d->drm);
if (ret) {
dev_err(v3d->drm.dev, "Failed to create CACHE_CLEAN
scheduler: %d.",
ret);
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 9243655..a980709 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -32,6 +32,7 @@
struct drm_gpu_scheduler;
struct drm_sched_rq;
+struct drm_device;
/* These are often used as an (initial) index
* to an array, and as such should start at 0.
@@ -267,6 +268,7 @@ struct drm_sched_backend_ops {
* @score: score to help loadbalancer pick a idle sched
* @ready: marks if the underlying HW is ready to work
* @free_guilty: A hit to time out handler to free the guilty job.
+ * @ddev: Pointer to drm device of this scheduler.
*
* One scheduler is implemented for each hardware ring.
*/
@@ -288,12 +290,14 @@ struct drm_gpu_scheduler {
atomic_t score;
bool ready;
bool free_guilty;
+ struct drm_device *ddev;
};
int drm_sched_init(struct drm_gpu_scheduler *sched,
const struct drm_sched_backend_ops *ops,
uint32_t hw_submission, unsigned hang_limit, long timeout,
- const char *name);
+ const char *name,
+ struct drm_device *ddev);
void drm_sched_fini(struct drm_gpu_scheduler *sched);
int drm_sched_job_init(struct drm_sched_job *job,
--
2.7.4
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