drm/xe/lrc: give start_seqno a better default

If looking at the initial engine dump we should expect this to match
XE_FENCE_INITIAL_SEQNO - 1.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index fb8c6f7d6528ed1ed87334cb394baeab480dfc50..ae605e7805de4e4ceb8a0026c94b788c1cc0c388 100644 (file)
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -700,6 +700,9 @@ int xe_lrc_init(struct xe_lrc *lrc, struct xe_hw_engine *hwe,
        map = __xe_lrc_seqno_map(lrc);
        xe_map_write32(lrc_to_xe(lrc), &map, lrc->fence_ctx.next_seqno - 1);
 
+       map = __xe_lrc_start_seqno_map(lrc);
+       xe_map_write32(lrc_to_xe(lrc), &map, lrc->fence_ctx.next_seqno - 1);
+
        return 0;
 
 err_lrc_finish: