diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c index cc77e5132157..22e58c6e2a35 100644 --- a/drivers/gpu/drm/xe/xe_lrc.c +++ b/drivers/gpu/drm/xe/xe_lrc.c @@ -1061,6 +1061,14 @@ u32 xe_lrc_ring_tail(struct xe_lrc *lrc) return xe_lrc_read_ctx_reg(lrc, CTX_RING_TAIL) & TAIL_ADDR; } +static u32 xe_lrc_ring_start(struct xe_lrc *lrc) +{ + if (xe_lrc_has_indirect_ring_state(lrc)) + return xe_lrc_read_indirect_ctx_reg(lrc, INDIRECT_CTX_RING_START); + else + return xe_lrc_read_ctx_reg(lrc, CTX_RING_START); +} + void xe_lrc_set_ring_head(struct xe_lrc *lrc, u32 head) { if (xe_lrc_has_indirect_ring_state(lrc)) @@ -1641,6 +1649,7 @@ struct xe_lrc_snapshot *xe_lrc_snapshot_capture(struct xe_lrc *lrc) snapshot->head = xe_lrc_ring_head(lrc); snapshot->tail.internal = lrc->ring.tail; snapshot->tail.memory = xe_lrc_ring_tail(lrc); + snapshot->start = xe_lrc_ring_start(lrc); snapshot->start_seqno = xe_lrc_start_seqno(lrc); snapshot->seqno = xe_lrc_seqno(lrc); snapshot->lrc_bo = xe_bo_get(lrc->bo); @@ -1701,6 +1710,7 @@ void xe_lrc_snapshot_print(struct xe_lrc_snapshot *snapshot, struct drm_printer drm_printf(p, "\tLRC Head: (memory) %u\n", snapshot->head); drm_printf(p, "\tLRC Tail: (internal) %u, (memory) %u\n", snapshot->tail.internal, snapshot->tail.memory); + drm_printf(p, "\tRing start: (memory) 0x%08x\n", snapshot->start); drm_printf(p, "\tStart seqno: (memory) %d\n", snapshot->start_seqno); drm_printf(p, "\tSeqno: (memory) %d\n", snapshot->seqno); drm_printf(p, "\tTimestamp: 0x%08x\n", snapshot->ctx_timestamp); diff --git a/drivers/gpu/drm/xe/xe_lrc.h b/drivers/gpu/drm/xe/xe_lrc.h index 37ca321ed492..b459dcab8787 100644 --- a/drivers/gpu/drm/xe/xe_lrc.h +++ b/drivers/gpu/drm/xe/xe_lrc.h @@ -28,6 +28,7 @@ struct xe_lrc_snapshot { u32 ring_addr; u32 indirect_context_desc; u32 head; + u32 start; struct { u32 internal; u32 memory;