drm/xe: Add dbg messages for LRC WAs

Just like the GT and engine workarounds, add debug message with the
final value being written to the register for easy debugging.

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230906012053.1733755-4-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c
index 3d6a7c11bac194bf7dde593430d5c768ef1d5b4b..9e226b8a005af3e33809fcb521160c4d68ce044b 100644 (file)
--- a/drivers/gpu/drm/xe/xe_gt.c
+++ b/drivers/gpu/drm/xe/xe_gt.c
@@ -133,10 +133,14 @@ static int emit_wa_job(struct xe_gt *gt, struct xe_exec_queue *q)
                ++count;
 
        if (count) {
+               xe_gt_dbg(gt, "LRC WA %s save-restore batch\n", sr->name);
+
                bb->cs[bb->len++] = MI_LOAD_REGISTER_IMM(count);
                xa_for_each(&sr->xa, reg, entry) {
                        bb->cs[bb->len++] = reg;
                        bb->cs[bb->len++] = entry->set_bits;
+                       xe_gt_dbg(gt, "REG[0x%lx] = 0x%08x", reg,
+                                 entry->set_bits);
                }
        }