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drm/xe/oa: Add input fence dependencies

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Add input fence dependencies which will make OA configuration wait till
these dependencies are met (till input fences signal).

v2: Change add_deps arg to xe_oa_submit_bb from bool to enum (Matt Brost)

Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241022200352.1192560-4-ashutosh.dixit@intel.com
This commit is contained in:
Ashutosh Dixit
2024-10-22 13:03:48 -07:00
parent c8507a25ce
commit 2fb4350a28
1 changed files with 21 additions and 4 deletions
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25
drivers/gpu/drm/xe/xe_oa.c
View File

@@ -42,6 +42,11 @@
#define DEFAULT_POLL_PERIOD_NS (NSEC_PER_SEC / DEFAULT_POLL_FREQUENCY_HZ)
#define XE_OA_UNIT_INVALID U32_MAX
enum xe_oa_submit_deps {
XE_OA_SUBMIT_NO_DEPS,
XE_OA_SUBMIT_ADD_DEPS,
};
struct xe_oa_reg {
struct xe_reg addr;
u32 value;
@@ -575,7 +580,8 @@ static __poll_t xe_oa_poll(struct file *file, poll_table *wait)
return ret;
}
static struct dma_fence *xe_oa_submit_bb(struct xe_oa_stream *stream, struct xe_bb *bb)
static struct dma_fence *xe_oa_submit_bb(struct xe_oa_stream *stream, enum xe_oa_submit_deps deps,
struct xe_bb *bb)
{
struct xe_sched_job *job;
struct dma_fence *fence;
@@ -588,11 +594,22 @@ static struct dma_fence *xe_oa_submit_bb(struct xe_oa_stream *stream, struct xe_
goto exit;
}
if (deps == XE_OA_SUBMIT_ADD_DEPS) {
for (int i = 0; i < stream->num_syncs && !err; i++)
err = xe_sync_entry_add_deps(&stream->syncs[i], job);
if (err) {
drm_dbg(&stream->oa->xe->drm, "xe_sync_entry_add_deps err %d\n", err);
goto err_put_job;
}
}
xe_sched_job_arm(job);
fence = dma_fence_get(&job->drm.s_fence->finished);
xe_sched_job_push(job);
return fence;
err_put_job:
xe_sched_job_put(job);
exit:
return ERR_PTR(err);
}
@@ -670,7 +687,7 @@ static int xe_oa_modify_ctx_image(struct xe_oa_stream *stream, struct xe_lrc *lr
xe_oa_store_flex(stream, lrc, bb, flex, count);
fence = xe_oa_submit_bb(stream, bb);
fence = xe_oa_submit_bb(stream, XE_OA_SUBMIT_NO_DEPS, bb);
if (IS_ERR(fence)) {
err = PTR_ERR(fence);
goto free_bb;
@@ -699,7 +716,7 @@ static int xe_oa_load_with_lri(struct xe_oa_stream *stream, struct xe_oa_reg *re
write_cs_mi_lri(bb, reg_lri, 1);
fence = xe_oa_submit_bb(stream, bb);
fence = xe_oa_submit_bb(stream, XE_OA_SUBMIT_NO_DEPS, bb);
if (IS_ERR(fence)) {
err = PTR_ERR(fence);
goto free_bb;
@@ -949,7 +966,7 @@ static int xe_oa_emit_oa_config(struct xe_oa_stream *stream, struct xe_oa_config
goto exit;
}
fence = xe_oa_submit_bb(stream, oa_bo->bb);
fence = xe_oa_submit_bb(stream, XE_OA_SUBMIT_ADD_DEPS, oa_bo->bb);
if (IS_ERR(fence)) {
err = PTR_ERR(fence);
goto exit;