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drm/amdgpu: abstract amdgpu_job for scheduler 

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
This commit is contained in:
Chunming Zhou 2015-08-18 15:16:40 +08:00 committed by Alex Deucher
parent 6055f37afd
commit bb977d3711
9 changed files with 130 additions and 136 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -183,6 +183,7 @@ struct amdgpu_vm;
struct amdgpu_ring;
struct amdgpu_semaphore;
struct amdgpu_cs_parser;
struct amdgpu_job;
struct amdgpu_irq_src;
struct amdgpu_fpriv;
@ -871,7 +872,7 @@ int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
struct amdgpu_ring *ring,
struct amdgpu_ib *ibs,
unsigned num_ibs,
int (*free_job)(struct amdgpu_cs_parser *),
int (*free_job)(struct amdgpu_job *),
void *owner,
struct fence **fence);
@ -1040,6 +1041,7 @@ void amdgpu_ctx_fini(struct amdgpu_ctx *ctx);
struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
struct amdgpu_ctx *amdgpu_ctx_get_ref(struct amdgpu_ctx *ctx);
uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring,
struct fence *fence, uint64_t queued_seq);
@ -1265,6 +1267,18 @@ struct amdgpu_cs_parser {
struct amd_sched_fence *s_fence;
};
struct amdgpu_job {
struct amd_sched_job base;
struct amdgpu_device *adev;
struct amdgpu_ctx *ctx;
struct drm_file *owner;
struct amdgpu_ib *ibs;
uint32_t num_ibs;
struct mutex job_lock;
struct amdgpu_user_fence uf;
int (*free_job)(struct amdgpu_job *sched_job);
};
static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx)
{
return p->ibs[ib_idx].ptr[idx];

101
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -126,19 +126,6 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
return 0;
}
static void amdgpu_job_work_func(struct work_struct *work)
{
struct amdgpu_cs_parser *sched_job =
container_of(work, struct amdgpu_cs_parser,
job_work);
mutex_lock(&sched_job->job_lock);
if (sched_job->free_job)
sched_job->free_job(sched_job);
mutex_unlock(&sched_job->job_lock);
/* after processing job, free memory */
fence_put(&sched_job->s_fence->base);
kfree(sched_job);
}
struct amdgpu_cs_parser *amdgpu_cs_parser_create(struct amdgpu_device *adev,
struct drm_file *filp,
struct amdgpu_ctx *ctx,
@ -157,10 +144,6 @@ struct amdgpu_cs_parser *amdgpu_cs_parser_create(struct amdgpu_device *adev,
parser->ctx = ctx;
parser->ibs = ibs;
parser->num_ibs = num_ibs;
if (amdgpu_enable_scheduler) {
mutex_init(&parser->job_lock);
INIT_WORK(&parser->job_work, amdgpu_job_work_func);
}
for (i = 0; i < num_ibs; i++)
ibs[i].ctx = ctx;
@ -508,15 +491,17 @@ static void amdgpu_cs_parser_fini_late(struct amdgpu_cs_parser *parser)
for (i = 0; i < parser->nchunks; i++)
drm_free_large(parser->chunks[i].kdata);
kfree(parser->chunks);
if (parser->ibs)
for (i = 0; i < parser->num_ibs; i++)
amdgpu_ib_free(parser->adev, &parser->ibs[i]);
kfree(parser->ibs);
if (parser->uf.bo)
drm_gem_object_unreference_unlocked(&parser->uf.bo->gem_base);
if (!amdgpu_enable_scheduler)
kfree(parser);
{
if (parser->ibs)
for (i = 0; i < parser->num_ibs; i++)
amdgpu_ib_free(parser->adev, &parser->ibs[i]);
kfree(parser->ibs);
if (parser->uf.bo)
drm_gem_object_unreference_unlocked(&parser->uf.bo->gem_base);
}
kfree(parser);
}
/**
@ -533,12 +518,6 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bo
amdgpu_cs_parser_fini_late(parser);
}
static int amdgpu_cs_parser_free_job(struct amdgpu_cs_parser *sched_job)
{
amdgpu_cs_parser_fini_late(sched_job);
return 0;
}
static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p,
struct amdgpu_vm *vm)
{
@ -874,6 +853,19 @@ static struct amdgpu_ring *amdgpu_cs_parser_get_ring(
return ring;
}
static int amdgpu_cs_free_job(struct amdgpu_job *sched_job)
{
int i;
amdgpu_ctx_put(sched_job->ctx);
if (sched_job->ibs)
for (i = 0; i < sched_job->num_ibs; i++)
amdgpu_ib_free(sched_job->adev, &sched_job->ibs[i]);
kfree(sched_job->ibs);
if (sched_job->uf.bo)
drm_gem_object_unreference_unlocked(&sched_job->uf.bo->gem_base);
return 0;
}
int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
struct amdgpu_device *adev = dev->dev_private;
@ -900,33 +892,50 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
}
if (amdgpu_enable_scheduler && parser->num_ibs) {
struct amdgpu_job *job;
struct amdgpu_ring * ring =
amdgpu_cs_parser_get_ring(adev, parser);
r = amdgpu_cs_parser_prepare_job(parser);
if (r)
goto out;
parser->ring = ring;
parser->free_job = amdgpu_cs_parser_free_job;
mutex_lock(&parser->job_lock);
r = amd_sched_push_job(ring->scheduler,
&parser->ctx->rings[ring->idx].entity,
parser,
&parser->s_fence);
job = kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
if (!job)
return -ENOMEM;
job->base.sched = ring->scheduler;
job->base.s_entity = &parser->ctx->rings[ring->idx].entity;
job->adev = parser->adev;
job->ibs = parser->ibs;
job->num_ibs = parser->num_ibs;
job->owner = parser->filp;
job->ctx = amdgpu_ctx_get_ref(parser->ctx);
mutex_init(&job->job_lock);
if (job->ibs[job->num_ibs - 1].user) {
memcpy(&job->uf, &parser->uf,
sizeof(struct amdgpu_user_fence));
job->ibs[job->num_ibs - 1].user = &job->uf;
}
job->free_job = amdgpu_cs_free_job;
mutex_lock(&job->job_lock);
r = amd_sched_push_job((struct amd_sched_job *)job);
if (r) {
mutex_unlock(&parser->job_lock);
mutex_unlock(&job->job_lock);
amdgpu_cs_free_job(job);
kfree(job);
goto out;
}
parser->ibs[parser->num_ibs - 1].sequence =
amdgpu_ctx_add_fence(parser->ctx, ring,
&parser->s_fence->base,
parser->s_fence->v_seq);
cs->out.handle = parser->s_fence->v_seq;
job->ibs[parser->num_ibs - 1].sequence =
amdgpu_ctx_add_fence(job->ctx, ring,
&job->base.s_fence->base,
job->base.s_fence->v_seq);
cs->out.handle = job->base.s_fence->v_seq;
list_sort(NULL, &parser->validated, cmp_size_smaller_first);
ttm_eu_fence_buffer_objects(&parser->ticket,
&parser->validated,
&parser->s_fence->base);
&job->base.s_fence->base);
mutex_unlock(&parser->job_lock);
mutex_unlock(&job->job_lock);
amdgpu_cs_parser_fini_late(parser);
up_read(&adev->exclusive_lock);
return 0;
}

7
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
View File

@ -219,6 +219,13 @@ struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id)
return ctx;
}
struct amdgpu_ctx *amdgpu_ctx_get_ref(struct amdgpu_ctx *ctx)
{
if (ctx)
kref_get(&ctx->refcount);
return ctx;
}
int amdgpu_ctx_put(struct amdgpu_ctx *ctx)
{
if (ctx == NULL)

88
drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
View File

@ -27,81 +27,58 @@
#include <drm/drmP.h>
#include "amdgpu.h"
static int amdgpu_sched_prepare_job(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *entity,
struct amd_sched_job *job)
{
int r = 0;
struct amdgpu_cs_parser *sched_job;
if (!job || !job->data) {
DRM_ERROR("job is null\n");
return -EINVAL;
}
sched_job = (struct amdgpu_cs_parser *)job->data;
if (sched_job->prepare_job) {
r = sched_job->prepare_job(sched_job);
if (r) {
DRM_ERROR("Prepare job error\n");
schedule_work(&sched_job->job_work);
}
}
return r;
}
static struct fence *amdgpu_sched_run_job(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *entity,
struct amd_sched_job *job)
{
int r = 0;
struct amdgpu_cs_parser *sched_job;
struct amdgpu_job *sched_job;
struct amdgpu_fence *fence;
if (!job || !job->data) {
if (!job) {
DRM_ERROR("job is null\n");
return NULL;
}
sched_job = (struct amdgpu_cs_parser *)job->data;
sched_job = (struct amdgpu_job *)job;
mutex_lock(&sched_job->job_lock);
r = amdgpu_ib_schedule(sched_job->adev,
sched_job->num_ibs,
sched_job->ibs,
sched_job->filp);
sched_job->owner);
if (r)
goto err;
fence = amdgpu_fence_ref(sched_job->ibs[sched_job->num_ibs - 1].fence);
if (sched_job->run_job) {
r = sched_job->run_job(sched_job);
if (r)
goto err;
}
mutex_unlock(&sched_job->job_lock);
return &fence->base;
err:
DRM_ERROR("Run job error\n");
mutex_unlock(&sched_job->job_lock);
schedule_work(&sched_job->job_work);
sched->ops->process_job(sched, (struct amd_sched_job *)sched_job);
return NULL;
}
static void amdgpu_sched_process_job(struct amd_gpu_scheduler *sched,
struct amd_sched_job *job)
{
struct amdgpu_cs_parser *sched_job;
struct amdgpu_job *sched_job;
if (!job || !job->data) {
if (!job) {
DRM_ERROR("job is null\n");
return;
}
sched_job = (struct amdgpu_cs_parser *)job->data;
schedule_work(&sched_job->job_work);
sched_job = (struct amdgpu_job *)job;
mutex_lock(&sched_job->job_lock);
if (sched_job->free_job)
sched_job->free_job(sched_job);
mutex_unlock(&sched_job->job_lock);
/* after processing job, free memory */
fence_put(&sched_job->base.s_fence->base);
kfree(sched_job);
}
struct amd_sched_backend_ops amdgpu_sched_ops = {
.prepare_job = amdgpu_sched_prepare_job,
.run_job = amdgpu_sched_run_job,
.process_job = amdgpu_sched_process_job
};
@ -110,31 +87,34 @@ int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
struct amdgpu_ring *ring,
struct amdgpu_ib *ibs,
unsigned num_ibs,
int (*free_job)(struct amdgpu_cs_parser *),
int (*free_job)(struct amdgpu_job *),
void *owner,
struct fence **f)
{
int r = 0;
if (amdgpu_enable_scheduler) {
struct amdgpu_cs_parser *sched_job =
amdgpu_cs_parser_create(adev, owner, &adev->kernel_ctx,
ibs, num_ibs);
if(!sched_job) {
struct amdgpu_job *job =
kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
if (!job)
return -ENOMEM;
}
sched_job->free_job = free_job;
mutex_lock(&sched_job->job_lock);
r = amd_sched_push_job(ring->scheduler,
&adev->kernel_ctx.rings[ring->idx].entity,
sched_job, &sched_job->s_fence);
job->base.sched = ring->scheduler;
job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity;
job->adev = adev;
job->ibs = ibs;
job->num_ibs = num_ibs;
job->owner = owner;
mutex_init(&job->job_lock);
job->free_job = free_job;
mutex_lock(&job->job_lock);
r = amd_sched_push_job((struct amd_sched_job *)job);
if (r) {
mutex_unlock(&sched_job->job_lock);
kfree(sched_job);
mutex_unlock(&job->job_lock);
kfree(job);
return r;
}
ibs[num_ibs - 1].sequence = sched_job->s_fence->v_seq;
*f = fence_get(&sched_job->s_fence->base);
mutex_unlock(&sched_job->job_lock);
ibs[num_ibs - 1].sequence = job->base.s_fence->v_seq;
*f = fence_get(&job->base.s_fence->base);
mutex_unlock(&job->job_lock);
} else {
r = amdgpu_ib_schedule(adev, num_ibs, ibs, owner);
if (r)

2
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
View File

@ -807,7 +807,7 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
}
static int amdgpu_uvd_free_job(
struct amdgpu_cs_parser *sched_job)
struct amdgpu_job *sched_job)
{
amdgpu_ib_free(sched_job->adev, sched_job->ibs);
kfree(sched_job->ibs);

2
drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
View File

@ -340,7 +340,7 @@ void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
}
static int amdgpu_vce_free_job(
struct amdgpu_cs_parser *sched_job)
struct amdgpu_job *sched_job)
{
amdgpu_ib_free(sched_job->adev, sched_job->ibs);
kfree(sched_job->ibs);

2
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -307,7 +307,7 @@ static void amdgpu_vm_update_pages(struct amdgpu_device *adev,
}
static int amdgpu_vm_free_job(
struct amdgpu_cs_parser *sched_job)
struct amdgpu_job *sched_job)
{
int i;
for (i = 0; i < sched_job->num_ibs; i++)

42
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
View File

@ -282,30 +282,18 @@ int amd_sched_entity_fini(struct amd_gpu_scheduler *sched,
* scheduler consum some queued command.
* -1 other fail.
*/
int amd_sched_push_job(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *c_entity,
void *data,
struct amd_sched_fence **fence)
int amd_sched_push_job(struct amd_sched_job *sched_job)
{
struct amd_sched_job *job;
struct amd_sched_fence *fence =
amd_sched_fence_create(sched_job->s_entity);
if (!fence)
return -EINVAL;
job = kzalloc(sizeof(struct amd_sched_job), GFP_KERNEL);
if (!job)
return -ENOMEM;
job->sched = sched;
job->s_entity = c_entity;
job->data = data;
*fence = amd_sched_fence_create(c_entity);
if ((*fence) == NULL) {
kfree(job);
return -EINVAL;
}
fence_get(&(*fence)->base);
job->s_fence = *fence;
while (kfifo_in_spinlocked(&c_entity->job_queue, &job, sizeof(void *),
&c_entity->queue_lock) != sizeof(void *)) {
fence_get(&fence->base);
sched_job->s_fence = fence;
while (kfifo_in_spinlocked(&sched_job->s_entity->job_queue,
&sched_job, sizeof(void *),
&sched_job->s_entity->queue_lock) !=
sizeof(void *)) {
/**
* Current context used up all its IB slots
* wait here, or need to check whether GPU is hung
@ -313,8 +301,8 @@ int amd_sched_push_job(struct amd_gpu_scheduler *sched,
schedule();
}
/* first job wake up scheduler */
if ((kfifo_len(&c_entity->job_queue) / sizeof(void *)) == 1)
wake_up_interruptible(&sched->wait_queue);
if ((kfifo_len(&sched_job->s_entity->job_queue) / sizeof(void *)) == 1)
wake_up_interruptible(&sched_job->sched->wait_queue);
return 0;
}
@ -333,10 +321,8 @@ static void amd_sched_process_job(struct fence *f, struct fence_cb *cb)
list_del(&sched_job->list);
atomic64_dec(&sched->hw_rq_count);
spin_unlock_irqrestore(&sched->queue_lock, flags);
sched->ops->process_job(sched, sched_job);
fence_put(&sched_job->s_fence->base);
kfree(sched_job);
sched->ops->process_job(sched, sched_job);
wake_up_interruptible(&sched->wait_queue);
}
@ -359,7 +345,9 @@ static int amd_sched_main(void *param)
r = kfifo_out(&c_entity->job_queue, &job, sizeof(void *));
if (r != sizeof(void *))
continue;
r = sched->ops->prepare_job(sched, c_entity, job);
r = 0;
if (sched->ops->prepare_job)
r = sched->ops->prepare_job(sched, c_entity, job);
if (!r) {
unsigned long flags;
spin_lock_irqsave(&sched->queue_lock, flags);

6
drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
View File

@ -81,7 +81,6 @@ struct amd_sched_job {
struct fence_cb cb;
struct amd_gpu_scheduler *sched;
struct amd_sched_entity *s_entity;
void *data;
struct amd_sched_fence *s_fence;
};
@ -140,10 +139,7 @@ struct amd_gpu_scheduler *amd_sched_create(void *device,
uint32_t hw_submission);
int amd_sched_destroy(struct amd_gpu_scheduler *sched);
int amd_sched_push_job(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *c_entity,
void *data,
struct amd_sched_fence **fence);
int amd_sched_push_job(struct amd_sched_job *sched_job);
int amd_sched_entity_init(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *entity,