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drm/xe: Emit ctx timestamp copy in ring ops

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Copy ctx timestamp at beginning of every GPU job to a saved location.
Used to determine how long a job has been running on the hardware.

v2:
 - - s/ctx_timestamp_job/ctx_job_timestamp

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611144053.2805091-4-matthew.brost@intel.com
This commit is contained in:
Matthew Brost 2024-06-11 07:40:45 -07:00
parent 9f46ecbb3f
commit 65921374c4
1 changed files with 21 additions and 0 deletions
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21
drivers/gpu/drm/xe/xe_ring_ops.c
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@ -224,6 +224,19 @@ static u32 get_ppgtt_flag(struct xe_sched_job *job)
return job->q->vm ? BIT(8) : 0;
}
static int emit_copy_timestamp(struct xe_lrc *lrc, u32 *dw, int i)
{
dw[i++] = MI_COPY_MEM_MEM | MI_COPY_MEM_MEM_SRC_GGTT |
MI_COPY_MEM_MEM_DST_GGTT;
dw[i++] = xe_lrc_ctx_job_timestamp_ggtt_addr(lrc);
dw[i++] = 0;
dw[i++] = xe_lrc_ctx_timestamp_ggtt_addr(lrc);
dw[i++] = 0;
dw[i++] = MI_NOOP;
return i;
}
/* for engines that don't require any special HW handling (no EUs, no aux inval, etc) */
static void __emit_job_gen12_simple(struct xe_sched_job *job, struct xe_lrc *lrc,
u64 batch_addr, u32 seqno)
@ -232,6 +245,8 @@ static void __emit_job_gen12_simple(struct xe_sched_job *job, struct xe_lrc *lrc
u32 ppgtt_flag = get_ppgtt_flag(job);
struct xe_gt *gt = job->q->gt;
i = emit_copy_timestamp(lrc, dw, i);
if (job->ring_ops_flush_tlb) {
dw[i++] = preparser_disable(true);
i = emit_flush_imm_ggtt(xe_lrc_start_seqno_ggtt_addr(lrc),
@ -283,6 +298,8 @@ static void __emit_job_gen12_video(struct xe_sched_job *job, struct xe_lrc *lrc,
struct xe_device *xe = gt_to_xe(gt);
bool decode = job->q->class == XE_ENGINE_CLASS_VIDEO_DECODE;
i = emit_copy_timestamp(lrc, dw, i);
dw[i++] = preparser_disable(true);
/* hsdes: 1809175790 */
@ -332,6 +349,8 @@ static void __emit_job_gen12_render_compute(struct xe_sched_job *job,
bool lacks_render = !(gt->info.engine_mask & XE_HW_ENGINE_RCS_MASK);
u32 mask_flags = 0;
i = emit_copy_timestamp(lrc, dw, i);
dw[i++] = preparser_disable(true);
if (lacks_render)
mask_flags = PIPE_CONTROL_3D_ARCH_FLAGS;
@ -375,6 +394,8 @@ static void emit_migration_job_gen12(struct xe_sched_job *job,
{
u32 dw[MAX_JOB_SIZE_DW], i = 0;
i = emit_copy_timestamp(lrc, dw, i);
i = emit_store_imm_ggtt(xe_lrc_start_seqno_ggtt_addr(lrc),
seqno, dw, i);